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Cheap flights from Chicago to London from $306

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 London departing on 10/7. 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

Find the cheapest flights from Chicago to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:15 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
16h 45m1 stop Orlando
Multiple Airlines Logo
10:10 am - 11:50 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
19h 40m1 stop Orlando
$665Multiple Airlines
Mon, Sep 28 - Wed, Nov 18
Multiple Airlines Logo
7:44 pm - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
32h 16m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
11:00 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
26h 21m1 stop Orlando
$666Multiple Airlines
Sat, Oct 17 - Thu, Oct 29
Multiple Airlines Logo
9:00 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
19h 00m1 stop Orlando
Multiple Airlines Logo
12:35 pm - 11:50 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
16h 15m1 stop Orlando
$666Multiple Airlines
Tue, Oct 20 - Fri, Oct 30
Multiple Airlines Logo
7:44 pm - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
32h 16m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
11:00 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
26h 21m1 stop Orlando
$667Multiple Airlines
Wed, Oct 21 - Thu, Oct 29
Multiple Airlines Logo
7:44 pm - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
32h 16m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
11:00 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
26h 21m1 stop Orlando
$668Multiple Airlines
Wed, Oct 21 - Thu, Oct 29
Multiple Airlines Logo
7:44 pm - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
32h 16m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
12:35 pm - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
25h 46m1 stop Orlando
$674Multiple Airlines
Wed, Oct 21 - Sun, Nov 1
Multiple Airlines Logo
9:00 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
19h 00m1 stop Orlando
Multiple Airlines Logo
10:10 am - 11:50 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
18h 40m1 stop Orlando
$674Multiple Airlines
Tue, Oct 20 - Tue, Oct 27
Multiple Airlines Logo
9:20 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
18h 40m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
11:00 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
26h 21m1 stop Orlando
$677Multiple Airlines
Sat, Oct 24 - Thu, Oct 29
Icelandair Logo
6:30 pm - 10:55 amORD  Chicago O'Hare Intl-LGW London Gatwick
10h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:55 am - 5:20 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
11h 25m1 stop Reykjavik Keflavik Intl
$692Icelandair
Tue, Dec 1 - Sun, Dec 6
Icelandair Logo
7:25 pm - 2:40 pmORD  Chicago O'Hare Intl-LGW London Gatwick
13h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 pm - 6:15 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
32h 35m1 stop Reykjavik Keflavik Intl
$694Icelandair
Tue, Oct 6 - Tue, Oct 13

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TAP AIR PORTUGAL flights from Chicago to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Chicago to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
Oct 8
ORD6:00 pmChicago O'Hare Intl
33h 45m
1 stop
LGW9:45 amLondon Gatwick
Oct 14
LGW4:25 pmLondon Gatwick
26h 15m
1 stop
ORD12:40 pmChicago O'Hare Intl
$714
TAP AIR PORTUGAL
Nov 13
ORD8:10 pmChicago O'Hare Intl
13h 35m
1 stop
LGW3:45 pmLondon Gatwick
Nov 17
LGW4:35 pmLondon Gatwick
28h 55m
1 stop
ORD3:30 pmChicago O'Hare Intl
$719
TAP AIR PORTUGAL
Oct 28
ORD8:00 pmChicago O'Hare Intl
14h 05m
1 stop
LGW3:05 pmLondon Gatwick
Nov 3
LGW4:35 pmLondon Gatwick
28h 55m
1 stop
ORD3:30 pmChicago O'Hare Intl
$720

Air France flights from Chicago to London Gatwick Airport

Our best Air France deals on Chicago to London Gatwick Airport flight tickets
Air France
Sep 29
MDW10:48 amChicago Midway
16h 37m
2 stops
LGW9:25 amLondon Gatwick
Oct 14
LGW10:25 amLondon Gatwick
18h 08m
2 stops
MDW10:33 pmChicago Midway
$898
Air France
Aug 15
MDW1:25 pmChicago Midway
13h 55m
2 stops
LGW9:20 amLondon Gatwick
Jan 30
LGW4:45 pmLondon Gatwick
29h 40m
2 stops
MDW4:25 pmChicago Midway
$1,178
Air France
Aug 21
MDW1:25 pmChicago Midway
14h 00m
2 stops
LGW9:25 amLondon Gatwick
Sep 4
LGW10:25 amLondon Gatwick
18h 11m
2 stops
MDW10:36 pmChicago Midway
$1,220

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to London Gatwick 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 August 13, 2026.
Use the filters below to find and compare flights from Chicago to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 9/28

11:15 am-10:00 am

1 stop16h 45m

London Gatwick

Wed 11/18

10:10 am-11:50 pm

1 stop19h 40m

$665

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sat 10/17

7:44 pm-10:00 am

2 stops32h 16m

London Gatwick

Thu 10/29

11:00 am-8:21 am

1 stop26h 21m

$666

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 10/20

9:00 am-10:00 am

1 stop19h 00m

London Gatwick

Fri 10/30

12:35 pm-11:50 pm

1 stop16h 15m

$666

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 10/21

7:44 pm-10:00 am

2 stops32h 16m

London Gatwick

Thu 10/29

11:00 am-8:21 am

1 stop26h 21m

$667

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 10/21

7:44 pm-10:00 am

2 stops32h 16m

London Gatwick

Thu 10/29

11:00 am-8:21 am

1 stop26h 21m

$668

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 10/21

7:44 pm-10:00 am

2 stops32h 16m

London Gatwick

Sun 11/1

12:35 pm-8:21 am

1 stop25h 46m

$674

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 10/20

9:00 am-10:00 am

1 stop19h 00m

London Gatwick

Tue 10/27

10:10 am-11:50 pm

1 stop18h 40m

$674

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sat 10/24

9:20 am-10:00 am

2 stops18h 40m

London Gatwick

Thu 10/29

11:00 am-8:21 am

1 stop26h 21m

$677
Quickest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 12/1

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Sun 12/6

11:55 am-5:20 pm

1 stop11h 25m

$692

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 10/6

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Tue 10/13

3:40 pm-6:15 pm

1 stop32h 35m

$694

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 London from

How to get the cheapest flight ticket from Chicago to London Gatwick 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 London Gatwick Airport?

In general, January is the cheapest month to fly from Chicago to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $478. If you are unable to visit London Gatwick Airport during the month of January, then departing from Chicago during the month February is also very affordable. Most momondo users find prices during this month for around $492.

Can stopping save me money on Chicago to London Gatwick Airport flights?

You could potentially save up to 29% on your flight if you consider stops on a Chicago to London Gatwick Airport flight.

When to book flights from Chicago to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to London Gatwick Airport (CHI to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to London Gatwick Airport

Fastest flight time

10h 20m

Direct flights

None
The fastest flight from Chicago to London Gatwick Airport takes 10h 20m
There are no direct flights from Chicago to London Gatwick Airport. There are no popular flight routes from Chicago to London Gatwick Airport.
Search flight deals

Frequently asked questions about flying from Chicago to London Gatwick Airport

  • How far is Chicago to London Gatwick by plane?

    London Gatwick is 3954.2 mi away from Chicago. In terms of flight time, this usually takes a little over 10h 20m.

  • When did momondo last update prices for flights from Chicago to London Gatwick Airport?

    Prices for flights from Chicago to London Gatwick Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to London Gatwick Airport?

  • How old do you have to be to fly from Chicago to London Gatwick Airport?

    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 Chicago to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The travel and health documents you'll need for your trip to London Gatwick Airport 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 London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago to London Gatwick Airport?

Best airlines flying from Chicago to London Gatwick Airport

Compare and see reviews for airlines that fly from Chicago to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $430Free CancellationRating
6.9
728 reviews
Search Icelandair flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Worthing
Romford
Ilford
Bedford

Why use momondo?

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

It is quick and easy to find Chicago to London 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 London that suits you.

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

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

How can momondo help me find flights from Chicago to London?

Once all potential Chicago to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your London Gatwick Airport trip

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