Which airport is the most popular for stopovers for flights between London and Chicago O'Hare Intl Airport?

Dublin (DUB) was the most common stop: 44% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London to Chicago O'Hare Intl Airport?

Flights via Zurich (ZRH) offer the lowest average return price of £431.

Which stopover airport has the shortest travel time from London to Chicago O'Hare Intl Airport?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 15m.

Which airlines fly to Chicago O'Hare Intl Airport?

British Airways, Lufthansa and Finnair are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from London according to our data. British Airways is the first choice among our users, with 64% of people opting to fly with this airline when travelling to Chicago O'Hare Intl Airport. Keep in mind that there are 15 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

Which stopover airport has the shortest connection time from London to Chicago O'Hare Intl Airport?

Reykjavik (KEF) has the shortest average stopover time for this route: 1h 08m.

When did momondo last update prices for flights from London to Chicago O'Hare Intl Airport?

Prices for flights from London to Chicago O'Hare Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from London to Chicago O'Hare Intl Airport?

As of August 2025, there are 15 operators available to choose from for flights from London to Chicago O'Hare Intl Airport.

How old do you have to be to fly from London to Chicago O'Hare Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£187 Cheap Flights from London to Chicago O'Hare Intl Airport in 2025

Q: What is the typical price of a round-trip flight between London and Chicago O'Hare Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from £587 to £818. The lowest price recently found on this route was £308.

Q: How many flights depart from London to Chicago O'Hare Intl Airport on average per day?

The number of flights available between London and Chicago O'Hare Intl Airport is 52 per day as of August 2025. The most frequent departure time is 14:00, with 54% of daily flights leaving in the afternoon.

Q: How many flights depart from London to Chicago O'Hare Intl Airport on average per week?

The number of flights available between London and Chicago O'Hare Intl Airport is 366 per week as of August 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London to Chicago

Round-trip

One-way

Last minute

Direct

Cheap return flights

14:00 - 16:12LGW-ORD

32h 12m1 stop

17:17 - 10:00ORD-LGW

34h 43m1 stop

£308

Find Deal

Wed, 10 Sep - Sun, 21 Sep

14:00 - 16:12LGW-ORD

32h 12m1 stop

06:30 - 10:00ORD-LGW

21h 30m1 stop

£309

Find Deal

Thu, 11 Sep - Mon, 22 Sep

14:00 - 16:12LGW-ORD

32h 12m1 stop

06:30 - 10:00ORD-LGW

21h 30m1 stop

£331

Find Deal

Thu, 11 Sep - Wed, 24 Sep

15:40 - 18:15LGW-ORD

32h 35m1 stop

22:15 - 14:40ORD-LGW

10h 25m1 stop

£348Icelandair

Find Deal

Thu, 2 Oct - Sun, 5 Oct

15:40 - 18:15LGW-ORD

32h 35m1 stop

22:15 - 14:40ORD-LGW

10h 25m1 stop

£350Icelandair

Find Deal

Thu, 2 Oct - Sun, 5 Oct

09:30 - 19:55LHR-ORD

16h 25m1 stop

22:30 - 20:40ORD-LHR

16h 10m1 stop

£362Lufthansa

Find Deal

Wed, 17 Sep - Sun, 28 Sep

10:30 - 19:55LHR-ORD

15h 25m1 stop

22:30 - 17:40ORD-LHR

13h 10m1 stop

£366Lufthansa

Find Deal

Thu, 11 Sep - Mon, 22 Sep

08:50 - 14:00LHR-ORD

11h 10m1 stop

21:15 - 13:55ORD-LHR

10h 40m1 stop

£367Aer Lingus

Find Deal

Sat, 6 Sep - Wed, 10 Sep

08:50 - 14:00LHR-ORD

11h 10m1 stop

21:15 - 13:55ORD-LHR

10h 40m1 stop

£368Aer Lingus

Find Deal

Thu, 18 Sep - Sat, 4 Oct

09:05 - 15:45LCY-ORD

12h 40m1 stop

22:15 - 21:40ORD-LCY

17h 25m1 stop

£454British Airways

Find Deal

Wed, 20 Aug - Sun, 14 Sep

United Airlines flights from London to Chicago O'Hare Intl Airport

Our best United Airlines deals on London to Chicago O'Hare Intl Airport flight tickets

United Airlines

25 Sept

LHR11:05London Heathrow

31h 00m

1 stop

ORD12:05Chicago O'Hare Intl

27 Sept

ORD10:35Chicago O'Hare Intl

28h 25m

1 stop

LHR21:00London Heathrow

£348

Find similar

United Airlines

13 Sept

LHR06:50London Heathrow

11h 15m

1 stop

ORD12:05Chicago O'Hare Intl

13 Sept

ORD18:00Chicago O'Hare Intl

30h 30m

1 stop

LHR06:30London Heathrow

£398

Find similar

United Airlines

9 Aug

LHR11:05London Heathrow

9h 05m

ORD14:10Chicago O'Hare Intl

9 Aug

ORD20:25Chicago O'Hare Intl

31h 10m

1 stop

LHR09:35London Heathrow

£450

Find similar

TAP AIR PORTUGAL flights from London to Chicago O'Hare Intl Airport

Our best TAP AIR PORTUGAL deals on London to Chicago O'Hare Intl Airport flight tickets

TAP AIR PORTUGAL

18 Nov

LGW16:35London Gatwick

28h 25m

1 stop

ORD15:00Chicago O'Hare Intl

26 Nov

ORD19:10Chicago O'Hare Intl

13h 55m

1 stop

LGW15:05London Gatwick

£385

Find similar

TAP AIR PORTUGAL

17 Sept

LHR19:50London Heathrow

21h 05m

1 stop

ORD10:55Chicago O'Hare Intl

21 Sept

ORD18:00Chicago O'Hare Intl

34h 20m

1 stop

LHR10:20London Heathrow

£403

Find similar

TAP AIR PORTUGAL

10 Sept

LHR19:50London Heathrow

21h 05m

1 stop

ORD10:55Chicago O'Hare Intl

21 Sept

ORD18:00Chicago O'Hare Intl

12h 45m

1 stop

LHR12:45London Heathrow

£407

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 10/9

14:00-16:12

1 stop32h 12m

Chicago O'Hare Intl

Sun 21/9

17:17-10:00

1 stop34h 43m

£308

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 11/9

14:00-16:12

1 stop32h 12m

Chicago O'Hare Intl

Mon 22/9

06:30-10:00

1 stop21h 30m

£309

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 11/9

14:00-16:12

1 stop32h 12m

Chicago O'Hare Intl

Wed 24/9

06:30-10:00

1 stop21h 30m

£331

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 2/10

15:40-18:15

1 stop32h 35m

Chicago O'Hare Intl

Sun 5/10

22:15-14:40

1 stop10h 25m

£348

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 2/10

15:40-18:15

1 stop32h 35m

Chicago O'Hare Intl

Sun 5/10

22:15-14:40

1 stop10h 25m

£350

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 17/9

09:30-19:55

1 stop16h 25m

Chicago O'Hare Intl

Sun 28/9

22:30-20:40

1 stop16h 10m

£362

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 11/9

10:30-19:55

1 stop15h 25m

Chicago O'Hare Intl

Mon 22/9

22:30-17:40

1 stop13h 10m

£366

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 6/9

08:50-14:00

1 stop11h 10m

Chicago O'Hare Intl

Wed 10/9

21:15-13:55

1 stop10h 40m

£367

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 18/9

08:50-14:00

1 stop11h 10m

Chicago O'Hare Intl

Sat 4/10

21:15-13:55

1 stop10h 40m

£368

LondonChicago

LCY - ORD

LCYORD

London City

Wed 20/8

09:05-15:45

1 stop12h 40m

Chicago O'Hare Intl

Sun 14/9

22:15-21:40

1 stop17h 25m

£454

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Stopovers

Other information

What is the typical price of a round-trip flight between London and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The cheapest month to fly to Chicago O'Hare Intl Airport from London is in February. Flight prices, which tend to average around £439, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Chicago O'Hare Intl Airport from London during March instead. Flights to Chicago O'Hare Intl Airport in March, while not as cheap as those in February, still average around £503.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart from London to Chicago O'Hare Intl Airport is on a Wednesday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Wednesday will often find tickets for as low as £613. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Chicago O'Hare Intl Airport on Sunday is £678.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is in the evening when flights can be purchased for as low as £574. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £678.

What is the cheapest London to Chicago O'Hare Intl flight route?

Fly from London Heathrow to Chicago O'Hare Intl for the best London - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around £557 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from London for as low as £524 on momondo.

What cabin class options are available on London to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on London to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between London to Chicago O'Hare Intl Airport.

How have London to Chicago O'Hare Intl Airport flight prices changed over time?

As of August 2025, prices for London to Chicago O'Hare Intl Airport flights are approximately 57% more expensive when compared to flights at the same time last year.

When to book flights from London to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London to Chicago O'Hare Intl Airport (LON to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Chicago O'Hare Intl Airport

Best price found	£187
Fastest flight time	10h 50m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from London in the past 72 hours is £187. The best return flight deal from London to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is £308.

The fastest flight from London to Chicago O'Hare Intl Airport takes 10h 50m

Direct flights go from London to Chicago O'Hare Intl Airport every day.

Search flight deals

How far is London to Chicago O'Hare Intl by plane?
There are 3950.9 mi between London and Chicago O'Hare Intl. In terms of flight time, this usually takes a little over 10h 50m.
When did momondo last update prices for flights from London to Chicago O'Hare Intl Airport?
Prices for flights from London to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to Chicago O'Hare Intl Airport?
As of August 2025, there are 15 operators available to choose from for flights from London to Chicago O'Hare Intl Airport.
How old do you have to be to fly from London to Chicago O'Hare Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between London and Chicago O'Hare Intl Airport, the leading plane model is Boeing 767-300, making up 47.78% of the total bookings. Other popular models include Boeing 787-10 Dreamliner with 15.01%, Boeing 777 with 14.01%, and Boeing 777-300ER with 5.14%.
What is the most popular airline from London to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked airline on the route from London to Chicago O'Hare Intl Airport is British Airways, representing 45% of all bookings. The subsequent popular airlines are Lufthansa at 11%, Icelandair at 10%, and Finnair at 9%.

Best airlines flying from London to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from London to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £317	Free Cancellation	Rating 7.0 520 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom £359	Free Cancellation	Rating 7.3 1,457 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom £374	Free Cancellation	Rating 7.1 1,933 reviews	Search TAP AIR PORTUGAL flights
Virgin Atlantic	PriceFrom £388	Free Cancellation	Rating 7.4 655 reviews	Search Virgin Atlantic flights
Brussels Airlines	PriceFrom £400	Free Cancellation	Rating 7.2 350 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom £403	Free Cancellation	Rating 6.8 7,275 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom £410	Free Cancellation	Rating 7.6 823 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom £414	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
British Airways	PriceFrom £414	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
KLM	PriceFrom £423	Free Cancellation	Rating 7.8 1,383 reviews	Search KLM flights

Austrian Airlines Flights From London to Chicago O'Hare Intl Airport
The lowest priced Austrian Airlines flight from London to Chicago O'Hare Intl Airport from the last 72 hours was £542. Generally, Austrian Airlines has 21 flights on this route every week with an average price of £783. Austrian Airlines is rated 7.6/10 by our users.
Finnair Flights From London to Chicago O'Hare Intl Airport
Finnair (7.6/10 from 1,316 reviews) operates around 34 flights from London to Chicago O'Hare Intl Airport in any given week. The average Finnair airfare for this route is around £759, with deals from around £594 rare but found on momondo. Referenced prices are for round-trip London to Chicago O'Hare Intl Airport flight searches in the last 72 hours.

Evanston

Northbrook

Schaumburg

Lake Geneva

Lincolnshire

Glenview

Joliet

Oak Brook

Oak Park

Elgin

Rosemont

Why use momondo?

Why should I use momondo to find a flight deal from London to Chicago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Chicago. momondo saves you time and could save you money on your trip.

Can I find flights from London to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Chicago?

momondo helps you find the best flight between London and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 6/8

Wed 13/8

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago

Popular Cities in the United States

Flights to New York John F Kennedy Intl Airportfrom £243

Flights to Newark Airportfrom £229

Flights to New York LaGuardia Airportfrom £309

Flights to Washington, D.C. Dulles Intl Airportfrom £363

Flights to Dallas/Fort Worth Airportfrom £323

Flights to Washington, D.C. Reagan-National Airportfrom £386

Flights to Orlando Airportfrom £230

Flights to Chicago Midway Airportfrom £369

Flights to Dallas Love Field Airportfrom £632

Cheap flights from London to Chicago from £187

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Chicago departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London to Chicago

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

United Airlines flights from London to Chicago O'Hare Intl Airport

Our best United Airlines deals on London to Chicago O'Hare Intl Airport flight tickets

TAP AIR PORTUGAL flights from London to Chicago O'Hare Intl Airport

Our best TAP AIR PORTUGAL deals on London to Chicago O'Hare Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.

See travel insights to Chicago from

How to get the cheapest flight ticket from London to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is in the evening when flights can be purchased for as low as £574. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £678.

What is the cheapest London to Chicago O'Hare Intl flight route?

Fly from London Heathrow to Chicago O'Hare Intl for the best London - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

What cabin class options are available on London to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on London to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between London to Chicago O'Hare Intl Airport.

How have London to Chicago O'Hare Intl Airport flight prices changed over time?

As of August 2025, prices for London to Chicago O'Hare Intl Airport flights are approximately 57% more expensive when compared to flights at the same time last year.

Which airlines fly to Chicago O'Hare Intl Airport?

Which airport is the most popular for stopovers for flights between London and Chicago O'Hare Intl Airport?

Dublin (DUB) was the most common stop: 44% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London to Chicago O'Hare Intl Airport?

Flights via Zurich (ZRH) offer the lowest average return price of £431.

Which stopover airport has the shortest travel time from London to Chicago O'Hare Intl Airport?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 15m.

Which stopover airport has the shortest connection time from London to Chicago O'Hare Intl Airport?

Reykjavik (KEF) has the shortest average stopover time for this route: 1h 08m.

How many flights depart from London to Chicago O'Hare Intl Airport on average per day?

The number of flights available between London and Chicago O'Hare Intl Airport is 52 per day as of August 2025. The most frequent departure time is 14:00, with 54% of daily flights leaving in the afternoon.

How many flights depart from London to Chicago O'Hare Intl Airport on average per week?

The number of flights available between London and Chicago O'Hare Intl Airport is 366 per week as of August 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

When to book flights from London to Chicago O'Hare Intl Airport

Cheap London to Chicago O'Hare Intl Airport (LON to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Chicago O'Hare Intl Airport

Best price found

Fastest flight time

Direct flights

How far is London to Chicago O'Hare Intl by plane?

When did momondo last update prices for flights from London to Chicago O'Hare Intl Airport?

How many operators does momondo search for flights from London to Chicago O'Hare Intl Airport?

How old do you have to be to fly from London to Chicago O'Hare Intl Airport?

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

What is the most popular plane model from London to Chicago O'Hare Intl Airport?

What is the most popular airline from London to Chicago O'Hare Intl Airport?

Best airlines flying from London to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from London to Chicago O'Hare Intl Airport with momondo

Austrian Airlines Flights From London to Chicago O'Hare Intl Airport

Finnair Flights From London to Chicago O'Hare Intl Airport

Travelling to a place near Chicago?

Why use momondo?

Why should I use momondo to find a flight deal from London to Chicago?

Can I find flights from London to Chicago with flexible booking policies on momondo?

How can momondo help me find flights from London to Chicago?

I’m not ready to book a flight from London to Chicago right now. Can momondo alert me if prices change?

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Chicago

Popular Cities in the United States