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Cheap flights from the United Kingdom to Chicago from $385

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 10/31. 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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0 bags

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Find the cheapest flights from the United Kingdom to Chicago

Recent round-trip flight deals from the United Kingdom to Chicago

American Airlines Logo
11:20 am - 8:50 pmLGW-ORD
15h 30m1 stop
American Airlines Logo
7:07 pm - 7:30 amORD-LGW
30h 23m2 stops
$534American Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 8
Multiple Airlines Logo
7:25 pm - 2:00 pmLHR-ORD
24h 35m1 stop
Multiple Airlines Logo
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$534Multiple Airlines
Find Deal
Sun, Nov 30 - Fri, Feb 20
United Airlines Logo
8:30 am - 4:20 pmLHR-ORD
12h 50m1 stop
United Airlines Logo
4:20 pm - 11:05 amORD-LHR
12h 45m1 stop
$535United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
United Airlines Logo
9:30 am - 6:30 pmLHR-ORD
15h 00m2 stops
United Airlines Logo
2:39 pm - 10:40 amORD-LHR
14h 01m1 stop
$538United Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
Icelandair Logo
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
Icelandair Logo
6:30 pm - 7:30 pmORD-LHR
19h 00m1 stop
$541Icelandair
Find Deal
Sun, Dec 14 - Thu, Jan 15
Icelandair Logo
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
Icelandair Logo
6:30 pm - 10:50 amORD-LHR
10h 20m1 stop
$542Icelandair
Find Deal
Mon, Nov 10 - Mon, Nov 17
British Airways Logo
12:35 pm - 4:15 pmLHR-ORD
8h 40mnonstop
British Airways Logo
5:10 pm - 6:55 amORD-LHR
7h 45mnonstop
$543British Airways
Find Deal
Sat, Nov 1 - Fri, Nov 14
British Airways Logo
12:35 pm - 4:15 pmLHR-ORD
8h 40mnonstop
British Airways Logo
9:45 pm - 11:35 amORD-LHR
7h 50mnonstop
$544British Airways
Find Deal
Sat, Nov 1 - Fri, Nov 14
Aer Lingus Logo
11:55 am - 7:00 pmEDI-ORD
13h 05m1 stop
Aer Lingus Logo
3:45 pm - 8:40 amORD-EDI
10h 55m1 stop
$684Aer Lingus
Find Deal
Wed, Oct 15 - Tue, Oct 21
Aer Lingus Logo
9:10 am - 5:55 pmBHX-ORD
14h 45m1 stop
Aer Lingus Logo
7:40 pm - 11:10 amORD-BHX
9h 30m1 stop
$767Aer Lingus
Find Deal
Thu, Dec 18 - Sun, Dec 21

Virgin Atlantic flights from United Kingdom to Chicago O'Hare Intl Airport

Our best Virgin Atlantic deals on United Kingdom to Chicago O'Hare Intl Airport flight tickets
Virgin Atlantic
Sep 30
LHR8:40 amLondon Heathrow
11h 30m
1 stop
ORD2:10 pmChicago O'Hare Intl
Oct 14
ORD4:56 pmChicago O'Hare Intl
9h 59m
1 stop
LHR8:55 amLondon Heathrow
$541
Find similar
Virgin Atlantic
Oct 9
LHR9:20 amLondon Heathrow
13h 21m
1 stop
ORD4:41 pmChicago O'Hare Intl
Oct 13
ORD1:25 pmChicago O'Hare Intl
13h 30m
1 stop
LHR8:55 amLondon Heathrow
$550
Find similar
Virgin Atlantic
Nov 7
LCY8:40 amLondon City
11h 40m
1 stop
ORD2:20 pmChicago O'Hare Intl
Nov 10
ORD4:25 pmChicago O'Hare Intl
10h 25m
1 stop
LCY8:50 amLondon City
$570
Find similar

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

Our best KLM deals on United Kingdom to Chicago O'Hare Intl Airport flight tickets
KLM
Sep 22
LCY9:20 amLondon City
11h 20m
1 stop
ORD2:40 pmChicago O'Hare Intl
Oct 5
ORD4:15 pmChicago O'Hare Intl
11h 15m
1 stop
LCY9:30 amLondon City
$586
Find similar
KLM
Sep 24
LCY8:40 amLondon City
12h 00m
1 stop
ORD2:40 pmChicago O'Hare Intl
Oct 2
ORD4:15 pmChicago O'Hare Intl
10h 35m
1 stop
LCY8:50 amLondon City
$612
Find similar
KLM
Nov 1
LCY8:40 amLondon City
11h 40m
1 stop
ORD3:20 pmChicago O'Hare Intl
Nov 9
ORD4:25 pmChicago O'Hare Intl
11h 05m
1 stop
LCY9:30 amLondon City
$613
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated September 17, 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

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 12/6

11:20 am-8:50 pm

1 stop15h 30m

Chicago O'Hare Intl

Mon 12/8

7:07 pm-7:30 am

2 stops30h 23m

$534

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 11/30

7:25 pm-2:00 pm

1 stop24h 35m

Chicago O'Hare Intl

Fri 2/20

5:50 pm-7:55 am

Nonstop8h 05m

$534

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 11/1

8:30 am-4:20 pm

1 stop12h 50m

Chicago O'Hare Intl

Sat 11/8

4:20 pm-11:05 am

1 stop12h 45m

$535

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 10/2

9:30 am-6:30 pm

2 stops15h 00m

Chicago O'Hare Intl

Mon 10/6

2:39 pm-10:40 am

1 stop14h 01m

$538

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 12/14

12:15 pm-5:20 pm

1 stop11h 05m

Chicago O'Hare Intl

Thu 1/15

6:30 pm-7:30 pm

1 stop19h 00m

$541

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 11/10

12:15 pm-5:20 pm

1 stop11h 05m

Chicago O'Hare Intl

Mon 11/17

6:30 pm-10:50 am

1 stop10h 20m

$542

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 11/1

12:35 pm-4:15 pm

Nonstop8h 40m

Chicago O'Hare Intl

Fri 11/14

5:10 pm-6:55 am

Nonstop7h 45m

$543

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 11/1

12:35 pm-4:15 pm

Nonstop8h 40m

Chicago O'Hare Intl

Fri 11/14

9:45 pm-11:35 am

Nonstop7h 50m

$544

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Wed 10/15

11:55 am-7:00 pm

1 stop13h 05m

Chicago O'Hare Intl

Tue 10/21

3:45 pm-8:40 am

1 stop10h 55m

$684

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Thu 12/18

9:10 am-5:55 pm

1 stop14h 45m

Chicago O'Hare Intl

Sun 12/21

7:40 pm-11:10 am

1 stop9h 30m

$767

Flights are sorted by cheapest round-trip 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 month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from United Kingdom averaging around $613.

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

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $777. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $924.

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

Flying to Chicago O'Hare Intl Airport from United Kingdom in the evening is the least expensive time of day to depart. momondo users have found prices as low as $695 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $936. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $724 when searching weeks out. 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 $693 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 3% 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

$630

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 $630. The best round-trip flight deal from United Kingdom to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $750.
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 refresh daily.

  • 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 $390Free CancellationRating
7.0
545 reviews
Search Icelandair flights
Aer LingusPriceFrom $453Free CancellationRating
7.2
1,277 reviews
Search Aer Lingus flights
Scandinavian AirlinesPriceFrom $462Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $485Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
British AirwaysPriceFrom $531Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $558Free CancellationRating
7.1
1,977 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $579Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Austrian AirlinesPriceFrom $584Free CancellationRating
7.6
850 reviews
Search Austrian Airlines flights
IberiaPriceFrom $599Free CancellationRating
7.0
2,925 reviews
Search Iberia flights
FinnairPriceFrom $607Free CancellationRating
7.6
1,324 reviews
Search Finnair flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Rockford
Schaumburg
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Orland Park
Tinley Park
Elgin
Aurora
Janesville
Benton Harbor

Why use momondo?

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

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

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 helps you find the best flight between United Kingdom 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 United Kingdom to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from United Kingdom to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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