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Cheap flights from Chicago to London from £227

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 10/10. 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 return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:15 - 10:00ORD  Chicago O'Hare Intl-LGW London Gatwick
16h 45m1 stop Orlando
Multiple Airlines Logo
10:10 - 23:50LGW  London Gatwick-ORD Chicago O'Hare Intl
19h 40m1 stop Orlando
£492Multiple Airlines
Mon, 28 Sep - Wed, 18 Nov
Multiple Airlines Logo
19:44 - 10:00ORD  Chicago O'Hare Intl-LGW London Gatwick
32h 16m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
11:00 - 08:21LGW  London Gatwick-ORD Chicago O'Hare Intl
26h 21m1 stop Orlando
£492Multiple Airlines
Sat, 17 Oct - Thu, 29 Oct
Multiple Airlines Logo
19:44 - 10:00ORD  Chicago O'Hare Intl-LGW London Gatwick
32h 16m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
11:00 - 08:21LGW  London Gatwick-ORD Chicago O'Hare Intl
26h 21m1 stop Orlando
£493Multiple Airlines
Wed, 21 Oct - Thu, 29 Oct
Multiple Airlines Logo
19:44 - 10:00ORD  Chicago O'Hare Intl-LGW London Gatwick
32h 16m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
11:00 - 08:21LGW  London Gatwick-ORD Chicago O'Hare Intl
26h 21m1 stop Orlando
£494Multiple Airlines
Wed, 21 Oct - Thu, 29 Oct
Multiple Airlines Logo
18:30 - 15:10ORD  Chicago O'Hare Intl-LGW London Gatwick
14h 40m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
07:40 - 17:20LGW  London Gatwick-ORD Chicago O'Hare Intl
15h 40m1 stop Reykjavik Keflavik Intl
£495Multiple Airlines
Sun, 1 Nov - Mon, 9 Nov
Multiple Airlines Logo
15:45 - 20:55ORD  Chicago O'Hare Intl-LGW London Gatwick
23h 10m1 stop Dublin
Multiple Airlines Logo
20:00 - 19:15LGW  London Gatwick-ORD Chicago O'Hare Intl
29h 15m2 stops Berlin Brandenburg Dublin
£495Multiple Airlines
Mon, 21 Sep - Tue, 29 Sep
Multiple Airlines Logo
19:25 - 21:15ORD  Chicago O'Hare Intl-LGW London Gatwick
19h 50m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
09:40 - 18:15LGW  London Gatwick-ORD Chicago O'Hare Intl
14h 35m2 stops Dublin Reykjavik Keflavik Intl
£496Multiple Airlines
Tue, 6 Oct - Tue, 13 Oct
Multiple Airlines Logo
19:25 - 21:15ORD  Chicago O'Hare Intl-LGW London Gatwick
19h 50m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
09:40 - 18:15LGW  London Gatwick-ORD Chicago O'Hare Intl
14h 35m2 stops Dublin Reykjavik Keflavik Intl
£497Multiple Airlines
Tue, 6 Oct - Tue, 13 Oct
Multiple Airlines Logo
09:00 - 10:00ORD  Chicago O'Hare Intl-LGW London Gatwick
19h 00m1 stop Orlando
Multiple Airlines Logo
10:10 - 23:50LGW  London Gatwick-ORD Chicago O'Hare Intl
18h 40m1 stop Orlando
£498Multiple Airlines
Tue, 20 Oct - Tue, 27 Oct
Multiple Airlines Logo
09:20 - 10:00ORD  Chicago O'Hare Intl-LGW London Gatwick
18h 40m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
11:00 - 08:21LGW  London Gatwick-ORD Chicago O'Hare Intl
26h 21m1 stop Orlando
£501Multiple Airlines
Sat, 24 Oct - Thu, 29 Oct

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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
13 Nov
ORD20:10Chicago O'Hare Intl
13h 35m
1 stop
LGW15:45London Gatwick
17 Nov
LGW16:35London Gatwick
28h 55m
1 stop
ORD15:30Chicago O'Hare Intl
£523
TAP AIR PORTUGAL
13 Nov
ORD20:10Chicago O'Hare Intl
13h 35m
1 stop
LGW15:45London Gatwick
17 Nov
LGW16:35London Gatwick
28h 55m
1 stop
ORD15:30Chicago O'Hare Intl
£532
TAP AIR PORTUGAL
28 Oct
ORD20:00Chicago O'Hare Intl
14h 05m
1 stop
LGW15:05London Gatwick
3 Nov
LGW16:35London Gatwick
28h 55m
1 stop
ORD15:30Chicago O'Hare Intl
£532

Icelandair flights from Chicago to London Gatwick Airport

Our best Icelandair deals on Chicago to London Gatwick Airport flight tickets
Icelandair
1 Dec
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
6 Dec
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
£512
Icelandair
6 Oct
ORD19:25Chicago O'Hare Intl
13h 15m
1 stop
LGW14:40London Gatwick
13 Oct
LGW15:40London Gatwick
32h 35m
1 stop
ORD18:15Chicago O'Hare Intl
£513
Icelandair
7 Nov
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
16 Nov
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
£516

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 14 August 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 return flight

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 28/9

11:15-10:00

1 stop16h 45m

London Gatwick

Wed 18/11

10:10-23:50

1 stop19h 40m

£492

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sat 17/10

19:44-10:00

2 stops32h 16m

London Gatwick

Thu 29/10

11:00-08:21

1 stop26h 21m

£492

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 21/10

19:44-10:00

2 stops32h 16m

London Gatwick

Thu 29/10

11:00-08:21

1 stop26h 21m

£493

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 21/10

19:44-10:00

2 stops32h 16m

London Gatwick

Thu 29/10

11:00-08:21

1 stop26h 21m

£494
Fastest return journey

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sun 1/11

18:30-15:10

1 stop14h 40m

London Gatwick

Mon 9/11

07:40-17:20

1 stop15h 40m

£495

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 21/9

15:45-20:55

1 stop23h 10m

London Gatwick

Tue 29/9

20:00-19:15

2 stops29h 15m

£495

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 6/10

19:25-21:15

2 stops19h 50m

London Gatwick

Tue 13/10

09:40-18:15

2 stops14h 35m

£496

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 6/10

19:25-21:15

2 stops19h 50m

London Gatwick

Tue 13/10

09:40-18:15

2 stops14h 35m

£497

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 20/10

09:00-10:00

1 stop19h 00m

London Gatwick

Tue 27/10

10:10-23:50

1 stop18h 40m

£498

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sat 24/10

09:20-10:00

2 stops18h 40m

London Gatwick

Thu 29/10

11:00-08:21

1 stop26h 21m

£501

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 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?

The cheapest month to fly to London Gatwick Airport from Chicago is in September. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in September, then you should wait until June to fly from Chicago, when ticket prices are also cheap, with an average price of £46.

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 return 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 25m

Direct flights

None
The fastest flight from Chicago to London Gatwick Airport takes 10h 25m
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?

    The distance between Chicago and London Gatwick is about 3954.2 mi. 10h 25m is a normal flight duration for this route.

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

    Prices for flights from Chicago to London Gatwick Airport were last updated today.

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

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

    The travel and health documents required for your trip to London Gatwick Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Gatwick Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Ipswich
Maidstone
Folkestone
Ilford
Hastings
Canterbury
Chichester
Hayes
Guildford
Bedford
Harlow
Colchester
Chelmsford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Chicago.

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

All flight searches from Chicago to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Chicago to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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