Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United Kingdom to Chicago from £229

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 16/4. 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 the United Kingdom to Chicago

Recent return flight deals from the United Kingdom to Chicago

Enter your travel dates to find the best prices.
Icelandair Logo
20:35 - 18:20
LHR
-
ORD
26h 45m
1 stop
Icelandair Logo
19:25 - 11:55
ORD
-
LHR
10h 30m
1 stop
£388Icelandair
Mon, 9 Mar - Wed, 22 Apr
Icelandair Logo
15:40 - 18:15
LGW
-
ORD
32h 35m
1 stop
Icelandair Logo
22:25 - 14:40
ORD
-
LGW
10h 15m
1 stop
£388Icelandair
Mon, 27 Apr - Fri, 1 May
Icelandair Logo
12:15 - 18:20
LHR
-
ORD
11h 05m
1 stop
Icelandair Logo
19:30 - 10:50
ORD
-
LHR
10h 20m
1 stop
£388Icelandair
Wed, 11 Mar - Wed, 25 Mar
Scandinavian Airlines Logo
10:20 - 16:45
LHR
-
ORD
12h 25m
1 stop
Scandinavian Airlines Logo
20:20 - 16:00
ORD
-
LHR
14h 40m
1 stop
£391Scandinavian Airlines
Mon, 2 Mar - Mon, 16 Mar
Scandinavian Airlines Logo
19:30 - 17:45
LHR
-
ORD
27h 15m
1 stop
Scandinavian Airlines Logo
20:20 - 16:00
ORD
-
LHR
14h 40m
1 stop
£392Scandinavian Airlines
Sun, 8 Mar - Mon, 16 Mar
Virgin Atlantic Logo
06:30 - 17:22
LHR
-
MDW
15h 52m
2 stops
Virgin Atlantic Logo
10:45 - 06:50
MDW
-
LHR
15h 05m
2 stops
£524Virgin Atlantic
Wed, 18 Mar - Wed, 25 Mar
Virgin Atlantic Logo
11:30 - 22:31
LHR
-
MDW
17h 01m
2 stops
Virgin Atlantic Logo
10:45 - 06:50
MDW
-
LHR
15h 05m
2 stops
£528Virgin Atlantic
Wed, 4 Mar - Wed, 11 Mar
American Airlines Logo
11:25 - 22:17
EDI
-
ORD
15h 52m
1 stop
American Airlines Logo
13:22 - 09:30
ORD
-
EDI
15h 08m
2 stops
£576American Airlines
Wed, 11 Mar - Wed, 18 Mar
Aer Lingus Logo
08:45 - 15:00
LBA
-
ORD
11h 15m
1 stop
Aer Lingus Logo
16:50 - 16:10
ORD
-
LBA
18h 20m
1 stop
£601Aer Lingus
Wed, 18 Mar - Wed, 25 Mar
Aer Lingus Logo
08:45 - 14:00
LBA
-
ORD
11h 15m
1 stop
Aer Lingus Logo
15:45 - 08:15
ORD
-
LBA
10h 30m
1 stop
£613Aer Lingus
Sat, 2 May - Fri, 15 May

Aer Lingus flights from United Kingdom to Chicago

Our best Aer Lingus deals on United Kingdom to Chicago flight tickets
Aer Lingus
14 Feb
EDI13:35Edinburgh Turnhouse
11h 40m
1 stop
ORD19:15Chicago O'Hare Intl
24 Feb
ORD21:00Chicago O'Hare Intl
11h 45m
1 stop
EDI14:45Edinburgh Turnhouse
£510
Aer Lingus
19 Feb
EDI12:00Edinburgh Turnhouse
13h 15m
1 stop
ORD19:15Chicago O'Hare Intl
4 Mar
ORD15:50Chicago O'Hare Intl
11h 00m
1 stop
EDI08:50Edinburgh Turnhouse
£535
Aer Lingus
18 Mar
LBA08:45Leeds/Bradford
11h 15m
1 stop
ORD15:00Chicago O'Hare Intl
25 Mar
ORD16:50Chicago O'Hare Intl
18h 20m
1 stop
LBA16:10Leeds/Bradford
£601

JetBlue flights from United Kingdom to Chicago

Our best JetBlue deals on United Kingdom to Chicago flight tickets
JetBlue
10 Feb
LHR07:25London Heathrow
18h 06m
1 stop
ORD19:31Chicago O'Hare Intl
17 Feb
ORD10:00Chicago O'Hare Intl
14h 55m
1 stop
LHR06:55London Heathrow
£415
JetBlue
16 Feb
LHR09:20London Heathrow
29h 50m
1 stop
ORD09:10Chicago O'Hare Intl
24 Feb
ORD12:50Chicago O'Hare Intl
26h 50m
1 stop
LHR21:40London Heathrow
£434
JetBlue
16 Feb
LHR09:20London Heathrow
29h 50m
1 stop
ORD09:10Chicago O'Hare Intl
24 Feb
ORD06:04Chicago O'Hare Intl
21h 26m
1 stop
LHR09:30London Heathrow
£434

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Chicago 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 3 February 2026.
Use the filters below to find and compare flights from the United Kingdom to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 9/3

20:35-18:20

1 stop26h 45m

Chicago O'Hare Intl

Wed 22/4

19:25-11:55

1 stop10h 30m

£388

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 27/4

15:40-18:15

1 stop32h 35m

Chicago O'Hare Intl

Fri 1/5

22:25-14:40

1 stop10h 15m

£388

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 11/3

12:15-18:20

1 stop11h 05m

Chicago O'Hare Intl

Wed 25/3

19:30-10:50

1 stop10h 20m

£388

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 2/3

10:20-16:45

1 stop12h 25m

Chicago O'Hare Intl

Mon 16/3

20:20-16:00

1 stop14h 40m

£391

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 8/3

19:30-17:45

1 stop27h 15m

Chicago O'Hare Intl

Mon 16/3

20:20-16:00

1 stop14h 40m

£392

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 18/3

06:30-17:22

2 stops15h 52m

Chicago Midway

Wed 25/3

10:45-06:50

2 stops15h 05m

£524

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 4/3

11:30-22:31

2 stops17h 01m

Chicago Midway

Wed 11/3

10:45-06:50

2 stops15h 05m

£528

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Wed 11/3

11:25-22:17

1 stop15h 52m

Chicago O'Hare Intl

Wed 18/3

13:22-09:30

2 stops15h 08m

£576

LeedsChicago

LBA - ORD

LBAORD

Leeds/Bradford

Wed 18/3

08:45-15:00

1 stop11h 15m

Chicago O'Hare Intl

Wed 25/3

16:50-16:10

1 stop18h 20m

£601

LeedsChicago

LBA - ORD

LBAORD

Leeds/Bradford

Sat 2/5

08:45-14:00

1 stop11h 15m

Chicago O'Hare Intl

Fri 15/5

15:45-08:15

1 stop10h 30m

£613

Flights are sorted by cheapest return flights first.

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

See travel insights to Chicago from

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

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?

The cheapest month to fly to Chicago from United Kingdom is in February. Flight prices, which tend to average around £423, 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 from United Kingdom during November instead. Flights to Chicago in November, while not as cheap as those in February, still average around £424.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as £609. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Saturday, with ticket prices averaging around £648.

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

Flying to Chicago from United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £623 when looking at flights departing at midday. Flights in the afternoon are often more expensive, with an average ticket price of £658.

What is the cheapest United Kingdom to Chicago flight route?

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

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £531 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from United Kingdom for as low as £507 on momondo.

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

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

You could potentially save up to 2% on your flight if you consider stops on a United Kingdom to Chicago flight.

Cheap United Kingdom to Chicago flight deals and tips

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

Best price found

£416

Fastest flight time

8h 35m

Direct flights

Every day

Airports in Chicago

3 airports
The best one-way flight to Chicago from United Kingdom in the past 72 hours is £416. The best return flight deal from United Kingdom to Chicago found on momondo in the last 72 hours is £482.
The fastest flight from United Kingdom to Chicago takes 8h 35m
Direct flights go from United Kingdom to Chicago every day.
There are 3 airports in Chicago. From United Kingdom there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

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

    Prices for flights from United Kingdom to Chicago are updated daily.

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

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

    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 United Kingdom to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago 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. 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 United Kingdom to Chicago?

Best airlines flying from United Kingdom to Chicago

Compare and see reviews for airlines that fly from United Kingdom to Chicago with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £281Free CancellationRating
7.1
606 reviews
Search Icelandair flights
LufthansaPriceFrom £282Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £339Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom £353Free CancellationRating
7.3
1,676 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom £358Free CancellationRating
7.2
1,444 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £372Free CancellationRating
6.7
7,712 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom £376Free CancellationRating
7.1
2,133 reviews
Search TAP AIR PORTUGAL flights
Brussels AirlinesPriceFrom £379Free CancellationRating
7.2
381 reviews
Search Brussels Airlines flights
Austrian AirlinesPriceFrom £393Free CancellationRating
7.5
896 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom £402Free CancellationRating
7.4
9,235 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find United Kingdom to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

momondo does allow users to show only those flights to Chicago from United Kingdom which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United Kingdom 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 help filter your options to help you make an informed choice when booking flights to Chicago from United Kingdom.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from United Kingdom and alert you when they change.

An easier way to manage your Chicago 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 5/3
Thu 12/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport