Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to the United Kingdom from £167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to the United Kingdom departing on 28/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago to the United Kingdom

Cheap return flights

Scandinavian Airlines Logo
19:20 - 16:00ORD-LHR
14h 40m1 stop
Scandinavian Airlines Logo
06:40 - 16:45LHR-ORD
40h 05m2 stops
£373Scandinavian Airlines
Find Deal
Mon, 3 Nov - Sun, 16 Nov
Icelandair Logo
19:25 - 14:40ORD-LGW
13h 15m1 stop
Icelandair Logo
15:40 - 18:15LGW-ORD
32h 35m1 stop
£373Icelandair
Find Deal
Sun, 12 Oct - Mon, 20 Oct
British Airways Logo
12:52 - 09:05ORD-LHR
14h 13m1 stop
British Airways Logo
06:10 - 13:30LHR-ORD
13h 20m1 stop
£375British Airways
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Iberia Logo
16:30 - 20:00ORD-LGW
21h 30m1 stop
Iberia Logo
20:40 - 14:15LGW-ORD
23h 35m1 stop
£379Iberia
Find Deal
Mon, 8 Sep - Wed, 17 Sep
Iberia Logo
22:35 - 12:15ORD-LHR
7h 40mdirect
Iberia Logo
19:10 - 14:15LHR-ORD
25h 05m1 stop
£380Iberia
Find Deal
Wed, 8 Oct - Wed, 15 Oct
British Airways Logo
20:40 - 10:30ORD-LHR
7h 50mdirect
British Airways Logo
11:05 - 13:50LHR-ORD
8h 45mdirect
£382British Airways
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Aer Lingus Logo
20:40 - 11:50ORD-MAN
10h 10m1 stop
Aer Lingus Logo
08:05 - 14:00MAN-ORD
11h 55m1 stop
£446Aer Lingus
Find Deal
Sun, 26 Oct - Thu, 4 Dec
United Airlines Logo
15:35 - 09:55ORD-MAN
12h 20m1 stop
United Airlines Logo
05:55 - 12:55MAN-ORD
13h 00m1 stop
£462United Airlines
Find Deal
Mon, 29 Sep - Tue, 14 Oct
Aer Lingus Logo
21:15 - 13:50ORD-MAN
10h 35m1 stop
Aer Lingus Logo
14:20 - 19:00MAN-ORD
10h 40m1 stop
£463Aer Lingus
Find Deal
Sun, 7 Sep - Thu, 11 Sep
United Airlines Logo
11:40 - 10:20ORD-MAN
16h 40m2 stops
United Airlines Logo
11:50 - 23:25MAN-ORD
17h 35m2 stops
£478United Airlines
Find Deal
Wed, 3 Sep - Thu, 11 Sep

Finnair flights from Chicago to United Kingdom

Our best Finnair deals on Chicago to United Kingdom flight tickets
Finnair
7 Sept
ORD20:40Chicago O'Hare Intl
7h 50m
LHR10:30London Heathrow
16 Sept
LHR09:15London Heathrow
8h 35m
ORD11:50Chicago O'Hare Intl
£384
Find similar
Finnair
25 Aug
ORD20:35Chicago O'Hare Intl
7h 55m
LHR10:30London Heathrow
2 Sept
LHR09:15London Heathrow
8h 40m
ORD11:55Chicago O'Hare Intl
£389
Find similar

Iberia flights from Chicago to United Kingdom

Our best Iberia deals on Chicago to United Kingdom flight tickets
Iberia
8 Sept
ORD16:30Chicago O'Hare Intl
21h 30m
1 stop
LGW20:00London Gatwick
17 Sept
LGW20:40London Gatwick
23h 35m
1 stop
ORD14:15Chicago O'Hare Intl
£379
Find similar
Iberia
8 Oct
ORD22:35Chicago O'Hare Intl
7h 40m
LHR12:15London Heathrow
15 Oct
LHR19:10London Heathrow
25h 05m
1 stop
ORD14:15Chicago O'Hare Intl
£380
Find similar
Iberia
3 Sept
ORD15:24Chicago O'Hare Intl
10h 26m
1 stop
LHR07:50London Heathrow
8 Sept
LHR15:50London Heathrow
28h 25m
1 stop
ORD14:15Chicago O'Hare Intl
£383
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Chicago to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 19 August 2025.
Use the filters below to find and compare flights from Chicago to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 3/11

19:20-16:00

1 stop14h 40m

London Heathrow

Sun 16/11

06:40-16:45

2 stops40h 05m

£373

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 12/10

19:25-14:40

1 stop13h 15m

London Gatwick

Mon 20/10

15:40-18:15

1 stop32h 35m

£373

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 14/10

12:52-09:05

1 stop14h 13m

London Heathrow

Tue 21/10

06:10-13:30

1 stop13h 20m

£375

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 8/9

16:30-20:00

1 stop21h 30m

London Gatwick

Wed 17/9

20:40-14:15

1 stop23h 35m

£379

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 8/10

22:35-12:15

Nonstop7h 40m

London Heathrow

Wed 15/10

19:10-14:15

1 stop25h 05m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 8/10

20:40-10:30

Nonstop7h 50m

London Heathrow

Wed 15/10

11:05-13:50

Nonstop8h 45m

£382

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sun 26/10

20:40-11:50

1 stop10h 10m

Manchester

Thu 4/12

08:05-14:00

1 stop11h 55m

£446

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Mon 29/9

15:35-09:55

1 stop12h 20m

Manchester

Tue 14/10

05:55-12:55

1 stop13h 00m

£462

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sun 7/9

21:15-13:50

1 stop10h 35m

Manchester

Thu 11/9

14:20-19:00

1 stop10h 40m

£463

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Wed 3/9

11:40-10:20

2 stops16h 40m

Manchester

Thu 11/9

11:50-23:25

2 stops17h 35m

£478

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Chicago to United Kingdom

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 cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Chicago is in February. Flight prices, which tend to average around £479, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Chicago during the month September is also very affordable. Most momondo users find prices during this month for around £491.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Chicago to United Kingdom is on a Thursday. Travellers who choose to depart for United Kingdom on a Thursday will often find tickets for as low as £515. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to United Kingdom for around £656.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the morning when flights can be purchased for as low as £527. Try not to purchase tickets at midday because they tend to be around £690. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Chicago to United Kingdom flight route?

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £586 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Chicago for as low as £517 on momondo.

What cabin class options are available on Chicago to United Kingdom flights?

There are 4 cabin classes available to choose from on Chicago to United Kingdom 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 Chicago to United Kingdom flights?

You could potentially save up to 49% on your flight if you consider stops on a Chicago to United Kingdom flight.

Cheap Chicago to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to United Kingdom

Best price found

£167

Fastest flight time

7h 40m

Direct flights

Every day

Airports in United Kingdom

8 airports
The best one-way flight to United Kingdom from Chicago in the past 72 hours is £167. The best return flight deal from Chicago to United Kingdom found on momondo in the last 72 hours is £373.
The fastest flight from Chicago to United Kingdom takes 7h 40m
Direct flights go from Chicago to United Kingdom every day.
There are 8 airports near United Kingdom: London City (LCY), London Heathrow (LHR), London Luton (LTN), Edinburgh Turnhouse (EDI), Manchester (MAN), London Stansted (STN), London Gatwick (LGW), Glasgow Intl (GLA)
Search flight deals

  • When did momondo last update prices for flights from Chicago to United Kingdom?

    Prices for flights from Chicago to United Kingdom were last updated today.

  • How many operators does momondo search for flights from Chicago to United Kingdom?

  • How old do you have to be to fly from Chicago to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to United Kingdom?

Best airlines flying from Chicago to United Kingdom

Compare and see reviews for airlines that fly from Chicago to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £295Free CancellationRating
7.0
529 reviews
Search Icelandair flights
British AirwaysPriceFrom £325Free CancellationRating
6.7
7,283 reviews
Search British Airways flights
LufthansaPriceFrom £355Free CancellationRating
6.8
7,334 reviews
Search Lufthansa flights
Aer LingusPriceFrom £408Free CancellationRating
7.2
1,221 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom £410Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £411Free CancellationRating
7.6
1,320 reviews
Search Finnair flights
IberiaPriceFrom £443Free CancellationRating
7.0
2,885 reviews
Search Iberia flights
United AirlinesPriceFrom £458Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
American AirlinesPriceFrom £496Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to United Kingdom from Chicago with this policy.

How can momondo help me find flights from Chicago to United Kingdom?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to United Kingdom.

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

Yes momondo offers price alerts on flights to United Kingdom from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your United Kingdom 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
Sun 24/8
Sun 31/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom £30
Flights to Manchesterfrom £30
Flights to Birminghamfrom £33
Flights to Edinburghfrom £30
Flights to Belfastfrom £29
Flights to Glasgowfrom £29
Flights to Bristolfrom £34
Flights to Newcastle upon Tynefrom £35
Flights to Aberdeenfrom £49
Flights to Liverpoolfrom £30
Flights to Leedsfrom £61
Flights to Invernessfrom £41