Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Chicago O'Hare Intl

£248 Cheap flights to Chicago O'Hare Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Chicago O'Hare Intl Airport departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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 the United Kingdom to Chicago O'Hare Intl Airport

Cheap return flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
06:00 - 14:30
GLA
-
ORD
14h 30m
1 stop
Virgin Atlantic Logo
11:30 - 09:40
ORD
-
GLA
16h 10m
2 stops
£306Virgin Atlantic
Wed, 16 Sep - Sat, 26 Sep
Virgin Atlantic Logo
06:00 - 20:30
GLA
-
ORD
20h 30m
2 stops
Virgin Atlantic Logo
14:00 - 16:15
ORD
-
GLA
20h 15m
2 stops
£308Virgin Atlantic
Wed, 16 Sep - Sat, 26 Sep
Virgin Atlantic Logo
05:45 - 14:15
EDI
-
ORD
14h 30m
1 stop
Virgin Atlantic Logo
17:10 - 20:55
ORD
-
EDI
21h 45m
1 stop
£366Virgin Atlantic
Tue, 14 Jul - Wed, 22 Jul
Aer Lingus Logo
12:10 - 18:25
LHR
-
ORD
12h 15m
1 stop
Aer Lingus Logo
15:55 - 08:05
ORD
-
LHR
10h 10m
1 stop
£522Aer Lingus
Wed, 4 Nov - Sat, 7 Nov
Icelandair Logo
13:05 - 18:15
LHR
-
ORD
11h 10m
1 stop
Icelandair Logo
19:25 - 20:20
ORD
-
LHR
18h 55m
1 stop
£526Icelandair
Thu, 10 Sep - Thu, 24 Sep
Aer Lingus Logo
08:50 - 14:00
LHR
-
ORD
11h 10m
1 stop
Aer Lingus Logo
20:10 - 13:25
ORD
-
LHR
11h 15m
1 stop
£527Aer Lingus
Fri, 13 Nov - Sun, 22 Nov
British Airways Logo
11:10 - 13:50
LHR
-
ORD
8h 40mdirect
British Airways Logo
17:00 - 06:50
ORD
-
LHR
7h 50mdirect
£528British Airways
Thu, 15 Oct - Mon, 19 Oct
Icelandair Logo
15:40 - 21:25
LGW
-
ORD
11h 45m
1 stop
Icelandair Logo
19:25 - 14:40
ORD
-
LGW
13h 15m
1 stop
£529Icelandair
Mon, 7 Sep - Tue, 15 Sep
British Airways Logo
09:20 - 18:25
SOU
-
ORD
15h 05m
1 stop
British Airways Logo
20:10 - 19:30
ORD
-
SOU
17h 20m
1 stop
£600British Airways
Wed, 11 Nov - Sun, 15 Nov
Lufthansa Logo
09:15 - 14:55
LCY
-
ORD
11h 40m
1 stop
Lufthansa Logo
16:20 - 09:15
ORD
-
LCY
10h 55m
1 stop
£602Lufthansa
Fri, 4 Sep - Sun, 1 Nov

momondo Fare Finder

 
Locate flights to Chicago O'Hare Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 30 June 2026.
Use the filters below to find and compare flights to Chicago O'Hare Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 16/9

06:00-14:30

1 stop14h 30m

Chicago O'Hare Intl

Sat 26/9

11:30-09:40

2 stops16h 10m

£306

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 16/9

06:00-20:30

2 stops20h 30m

Chicago O'Hare Intl

Sat 26/9

14:00-16:15

2 stops20h 15m

£308

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Tue 14/7

05:45-14:15

1 stop14h 30m

Chicago O'Hare Intl

Wed 22/7

17:10-20:55

1 stop21h 45m

£366

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 4/11

12:10-18:25

1 stop12h 15m

Chicago O'Hare Intl

Sat 7/11

15:55-08:05

1 stop10h 10m

£522

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 10/9

13:05-18:15

1 stop11h 10m

Chicago O'Hare Intl

Thu 24/9

19:25-20:20

1 stop18h 55m

£526

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Fri 13/11

08:50-14:00

1 stop11h 10m

Chicago O'Hare Intl

Sun 22/11

20:10-13:25

1 stop11h 15m

£527
Fastest return journey

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 15/10

11:10-13:50

Nonstop8h 40m

Chicago O'Hare Intl

Mon 19/10

17:00-06:50

Nonstop7h 50m

£528

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 7/9

15:40-21:25

1 stop11h 45m

Chicago O'Hare Intl

Tue 15/9

19:25-14:40

1 stop13h 15m

£529

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Wed 11/11

09:20-18:25

1 stop15h 05m

Chicago O'Hare Intl

Sun 15/11

20:10-19:30

1 stop17h 20m

£600

LondonChicago

LCY - ORD

LCYORD

London City

Fri 4/9

09:15-14:55

1 stop11h 40m

Chicago O'Hare Intl

Sun 1/11

16:20-09:15

1 stop10h 55m

£602

Flights are sorted by cheapest return flights first.

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

See travel insights to Chicago O'Hare Intl Airport from

Flights to Chicago O'Hare Intl Airport – Travel Insights & Trends

Get data-powered insights and trends for flights to Chicago O'Hare Intl Airport to help you craft the best travel plan.

What cabin class options are available on United Kingdom to Chicago O'Hare Intl Airport flights?

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

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

The cheapest day to depart from United Kingdom 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 £680. 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 £697.

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 United Kingdom is in January. Flight prices, which tend to average around £70, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Chicago O'Hare Intl Airport from United Kingdom during February instead. Flights to Chicago O'Hare Intl Airport in February, while not as cheap as those in January, still average around £321.

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 at midday when flights can be purchased for as low as £669. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £699.

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

Fly from London Heathrow to Chicago O'Hare Intl for the best United Kingdom - 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 United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around £618 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 United Kingdom for as low as £550 on momondo.

Cheapest flights to Chicago O'Hare Intl

Find the cheapest flights to Chicago O'Hare Intl from your nearest city or airport
Find flights from London Heathrow Airport to Chicago O'Hare Intl Airport
CHEAPEST MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM LONDON HEATHROW AIRPORTFebruary27% cheaperFlying from London Heathrow Airport to Chicago O'Hare Intl Airport costs on average just £452 in February
MOST EXPENSIVE MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM LONDON HEATHROW AIRPORTJuly21% more expensiveIt costs about £751 for flights to Chicago O'Hare Intl Airport from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM LONDON HEATHROW AIRPORTJuly409% more users visitedMore momondo users searched in flights to Chicago O'Hare Intl Airport from London Heathrow Airport in July than any other month

Cheap Chicago O'Hare Intl Airport flight deals and tips

Summary info about Chicago O'Hare Intl Airport flight prices, duration and airlines

Best One-Way Price

£248

Best Round-Trip Price

£306

Fastest flight time

14h 05m

Popular in

July
The best one-way flight price to Chicago from United Kingdom in the last 5 days is £248 (Birmingham to Chicago O'Hare Intl).
Search Deals
The best round-trip flight price to Chicago from United Kingdom in the last 5 days is £306 (Glasgow Intl to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from United Kingdom takes 14h 05m (London Luton to Chicago O'Hare Intl).
Search Deals
July has the highest demand for flights to Chicago, with a 15% price increase on average.
Search Deals

Frequently asked questions about flying to Chicago O'Hare Intl Airport

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

In general, when looking for the cheapest flight to Chicago O'Hare Intl Airport, try to choose a flight departing in September for the best deal.

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

From most locations, booking your flights to Chicago O'Hare Intl Airport around 82 days prior to your departure date finds the best deals.

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

From most locations, the cheapest flights to Chicago O'Hare Intl Airport are found on a Wednesday. Booking a Sunday departure is usually the most expensive.

What is the cheapest time of day to fly to Chicago O'Hare Intl Airport?

On average you can find the best deals on plane tickets to Chicago O'Hare Intl Airport when looking for flights with Midday departure times.

Is there an alternative airport near Chicago O'Hare Intl Airport?

Chicago Midway Airport or Chicago Greater Rockford Airport can be an alternative airport used for travel to Chicago.

Is there a cheaper alternative to flying into Chicago?

Chicago Greater Rockford Airport has an average price of £65 per person and is typically the cheapest airport to fly into when visiting Chicago. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

Which airlines fly to Chicago O'Hare Intl Airport?

There are 16 airlines that fly to Chicago O'Hare Intl Airport on a routine basis, but British Airways, Aer Lingus and Icelandair happen to be the most popular among our users. In the past year, 45% of those who searched for flights to Chicago O'Hare Intl Airport looked to travel with British Airways, making this airline the top choice among momondo travellers.

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

Prices for flights to Chicago O'Hare Intl Airport are updated daily.

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

The number of operators available for flights to Chicago O'Hare Intl Airport is 20 as of June 2026.

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

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 to Chicago O'Hare Intl Airport.

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

The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schererville
Gurnee
Lincolnshire
Racine
Schaumburg
Willowbrook
Evanston
Lake Geneva
Joliet
Oak Park
Northbrook
Rosemont

Why use momondo?

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

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

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

Yes. momondo allows you to filter the results for flights to Chicago to just show those with flexible booking policies.

How can momondo help me find flights to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Chicago.

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

Of course. momondo tracks the price of Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Chicago O'Hare Intl 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
Thu 30/7
Thu 6/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago O'Hare Intl Airport ORD

Popular Flights to Chicago O'Hare Intl Airport

Popular routes according to searches in the past day on momondo
Flights from London Heathrow to ORDfrom £695
Flights from Edinburgh Turnhouse to ORDfrom £847
Flights from Dublin to ORDfrom £725
Flights from Milwaukee-Mitchell to ORDfrom £377
Flights from New York LaGuardia to ORDfrom £224