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Cheap flights from the United Kingdom to Chicago from £224

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Chicago departing on 22/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United Kingdom to Chicago

Recent return flight deals from the United Kingdom to Chicago

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
19:10 - 16:45BHX-ORD
27h 35m1 stop
Scandinavian Airlines Logo
19:20 - 18:30ORD-BHX
17h 10m1 stop
£387Scandinavian Airlines
Find Deal
Tue, 17 Feb - Mon, 23 Feb
Multiple Airlines Logo
08:50 - 17:20LGW-ORD
14h 30m2 stops
Multiple Airlines Logo
18:30 - 18:30ORD-LGW
18h 00m2 stops
£395Multiple Airlines
Find Deal
Wed, 19 Nov - Fri, 5 Dec
Icelandair Logo
11:55 - 17:20LGW-ORD
11h 25m1 stop
Icelandair Logo
18:30 - 10:55ORD-LGW
10h 25m1 stop
£410Icelandair
Find Deal
Mon, 17 Nov - Mon, 1 Dec
Icelandair Logo
11:55 - 17:20LGW-ORD
11h 25m1 stop
Icelandair Logo
18:30 - 10:55ORD-LGW
10h 25m1 stop
£410Icelandair
Find Deal
Wed, 12 Nov - Wed, 11 Feb
Aer Lingus Logo
11:40 - 17:55BHX-ORD
12h 15m1 stop
Aer Lingus Logo
15:50 - 07:45ORD-BHX
9h 55m1 stop
£500Aer Lingus
Find Deal
Sat, 8 Nov - Thu, 20 Nov
Aer Lingus Logo
08:15 - 14:00BHX-ORD
11h 45m1 stop
Aer Lingus Logo
15:50 - 08:40ORD-BHX
10h 50m1 stop
£508Aer Lingus
Find Deal
Fri, 14 Nov - Sun, 16 Nov
Lufthansa Logo
09:50 - 20:05LCY-ORD
16h 15m1 stop
Lufthansa Logo
16:20 - 16:40ORD-LCY
19h 20m1 stop
£520Lufthansa
Find Deal
Wed, 4 Mar - Tue, 10 Mar
Lufthansa Logo
06:00 - 15:20BHX-ORD
15h 20m1 stop
Lufthansa Logo
21:50 - 17:00ORD-BHX
13h 10m1 stop
£572Lufthansa
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Wed, 12 Nov - Tue, 18 Nov
British Airways Logo
07:25 - 17:45EDI-ORD
16h 20m2 stops
British Airways Logo
20:40 - 21:55ORD-EDI
19h 15m2 stops
£630British Airways
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Mon, 10 Nov - Tue, 16 Dec
British Airways Logo
07:25 - 17:45EDI-ORD
16h 20m2 stops
British Airways Logo
20:40 - 21:55ORD-EDI
19h 15m2 stops
£632British Airways
Find Deal
Mon, 10 Nov - Tue, 16 Dec

SWISS flights from United Kingdom to Chicago O'Hare Intl Airport

Our best SWISS deals on United Kingdom to Chicago O'Hare Intl Airport flight tickets
SWISS
17 Nov
LGW18:40London Gatwick
27h 40m
1 stop
ORD16:20Chicago O'Hare Intl
1 Dec
ORD18:50Chicago O'Hare Intl
17h 00m
1 stop
LGW17:50London Gatwick
£442
Find similar
SWISS
12 Nov
LCY09:20London City
13h 00m
1 stop
ORD16:20Chicago O'Hare Intl
11 Feb
ORD18:50Chicago O'Hare Intl
12h 00m
1 stop
LCY12:50London City
£452
Find similar
SWISS
17 Nov
LCY19:10London City
27h 10m
1 stop
ORD16:20Chicago O'Hare Intl
1 Dec
ORD18:50Chicago O'Hare Intl
12h 00m
1 stop
LCY12:50London City
£462
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Delta flights from United Kingdom to Chicago O'Hare Intl Airport

Our best Delta deals on United Kingdom to Chicago O'Hare Intl Airport flight tickets
Delta
26 Feb
GLA13:25Glasgow Intl
30h 55m
1 stop
ORD14:20Chicago O'Hare Intl
2 Mar
ORD13:30Chicago O'Hare Intl
13h 00m
2 stops
GLA08:30Glasgow Intl
£632
Find similar
Delta
24 Oct
LCY07:45London City
16h 29m
2 stops
ORD18:14Chicago O'Hare Intl
17 Dec
ORD16:25Chicago O'Hare Intl
10h 25m
1 stop
LCY08:50London City
£846
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momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Chicago O'Hare Intl Airport 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 17 October 2025.
Use the filters below to find and compare flights from the United Kingdom to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Tue 17/2

19:10-16:45

1 stop27h 35m

Chicago O'Hare Intl

Mon 23/2

19:20-18:30

1 stop17h 10m

£387

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 19/11

08:50-17:20

2 stops14h 30m

Chicago O'Hare Intl

Fri 5/12

18:30-18:30

2 stops18h 00m

£395

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 17/11

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Mon 1/12

18:30-10:55

1 stop10h 25m

£410

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 12/11

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Wed 11/2

18:30-10:55

1 stop10h 25m

£410

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Sat 8/11

11:40-17:55

1 stop12h 15m

Chicago O'Hare Intl

Thu 20/11

15:50-07:45

1 stop9h 55m

£500

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Fri 14/11

08:15-14:00

1 stop11h 45m

Chicago O'Hare Intl

Sun 16/11

15:50-08:40

1 stop10h 50m

£508

LondonChicago

LCY - ORD

LCYORD

London City

Wed 4/3

09:50-20:05

1 stop16h 15m

Chicago O'Hare Intl

Tue 10/3

16:20-16:40

1 stop19h 20m

£520

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 12/11

06:00-15:20

1 stop15h 20m

Chicago O'Hare Intl

Tue 18/11

21:50-17:00

1 stop13h 10m

£572

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Mon 10/11

07:25-17:45

2 stops16h 20m

Chicago O'Hare Intl

Tue 16/12

20:40-21:55

2 stops19h 15m

£630

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Mon 10/11

07:25-17:45

2 stops16h 20m

Chicago O'Hare Intl

Tue 16/12

20:40-21:55

2 stops19h 15m

£632

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from United Kingdom 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 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 February. Flight prices, which tend to average around £435, 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 United Kingdom during September instead. Flights to Chicago O'Hare Intl Airport in September, while not as cheap as those in February, still average around £446.

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 £612. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Chicago O'Hare Intl Airport on Saturday is £672.

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 £566. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £675.

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 £543 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 £515 on momondo.

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

There are 4 cabin classes available to choose from on United Kingdom 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 United Kingdom to Chicago O'Hare Intl Airport flights?

You could potentially save up to 17% on your flight if you consider stops on a United Kingdom to Chicago O'Hare Intl Airport flight.

Cheap United Kingdom to Chicago O'Hare Intl Airport flight deals and tips

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

Best price found

£468

Fastest flight time

8h 25m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from United Kingdom in the past 72 hours is £468. The best return flight deal from United Kingdom to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is £493.
The fastest flight from United Kingdom to Chicago O'Hare Intl Airport takes 8h 25m
Direct flights go from United Kingdom to Chicago O'Hare Intl Airport every day.
Search flight deals

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

    Prices for flights from United Kingdom to Chicago O'Hare Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Chicago O'Hare Intl Airport.

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

    The necessary travel and health documents for your Chicago O'Hare Intl Airport 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 United Kingdom to Chicago O'Hare Intl Airport?

Best airlines flying from United Kingdom to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from United Kingdom to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £312Free CancellationRating
7.0
556 reviews
Search Icelandair flights
Aer LingusPriceFrom £327Free CancellationRating
7.2
1,344 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom £345Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom £356Free CancellationRating
7.4
1,533 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £368Free CancellationRating
7.1
2,017 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom £378Free CancellationRating
6.7
7,459 reviews
Search British Airways flights
Brussels AirlinesPriceFrom £386Free CancellationRating
7.2
365 reviews
Search Brussels Airlines flights
LufthansaPriceFrom £396Free CancellationRating
6.8
7,502 reviews
Search Lufthansa flights
Austrian AirlinesPriceFrom £401Free CancellationRating
7.6
856 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom £408Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Racine
Evanston
Northbrook
Schaumburg
Lincolnshire
Lake Geneva
Oak Brook
Joliet
Oak Park
Elgin
Rosemont

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom 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 from United Kingdom to Chicago for you.

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

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

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

momondo provides multiple filters to help you find the best flight to Chicago from United Kingdom. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Chicago from United Kingdom. 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.

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