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Cheap flights from Chicago to London from £170

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 7/11. 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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Cheap return flights

Icelandair Logo
19:25 - 11:45ORD-LGW
10h 20m1 stop
Icelandair Logo
15:40 - 18:15LGW-ORD
32h 35m1 stop
£374Icelandair
Find Deal
Wed, 3 Sep - Fri, 12 Sep
Icelandair Logo
19:25 - 14:40ORD-LGW
13h 15m1 stop
Icelandair Logo
15:40 - 18:15LGW-ORD
32h 35m1 stop
£375Icelandair
Find Deal
Sun, 7 Sep - Tue, 16 Sep
Icelandair Logo
22:15 - 14:40ORD-LGW
10h 25m1 stop
Icelandair Logo
15:35 - 21:15LGW-ORD
11h 40m1 stop
£376Icelandair
Find Deal
Thu, 11 Sep - Wed, 17 Sep
Iberia Logo
16:30 - 10:55ORD-LGW
12h 25m1 stop
Iberia Logo
10:40 - 19:35LGW-ORD
14h 55m1 stop
£376Iberia
Find Deal
Mon, 29 Sep - Tue, 7 Oct
Icelandair Logo
19:25 - 14:40ORD-LGW
13h 15m1 stop
Icelandair Logo
15:40 - 21:15LGW-ORD
11h 35m1 stop
£377Icelandair
Find Deal
Sun, 14 Sep - Fri, 19 Sep
Icelandair Logo
19:25 - 14:40ORD-LGW
13h 15m1 stop
Icelandair Logo
15:40 - 18:15LGW-ORD
32h 35m1 stop
£378Icelandair
Find Deal
Tue, 9 Sep - Thu, 18 Sep
British Airways Logo
19:00 - 06:35ORD-LGW
29h 35m1 stop
British Airways Logo
20:40 - 14:15LGW-ORD
23h 35m1 stop
£385British Airways
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Logo
06:00 - 10:00ORD-LGW
22h 00m1 stop
Logo
15:30 - 12:35LGW-ORD
27h 05m2 stops
£388
Find Deal
Mon, 6 Oct - Wed, 15 Oct
Logo
20:49 - 10:00ORD-LGW
31h 11m1 stop
Logo
06:05 - 15:00LGW-ORD
38h 55m2 stops
£394
Find Deal
Sun, 5 Oct - Tue, 4 Nov
British Airways Logo
13:59 - 08:10ORD-LGW
12h 11m1 stop
British Airways Logo
10:40 - 19:35LGW-ORD
14h 55m1 stop
£408British Airways
Find Deal
Wed, 10 Sep - Wed, 8 Oct

Icelandair flights from Chicago to London Gatwick Airport

Our best Icelandair deals on Chicago to London Gatwick Airport flight tickets
Icelandair
3 Sept
ORD19:25Chicago O'Hare Intl
10h 20m
1 stop
LGW11:45London Gatwick
12 Sept
LGW15:40London Gatwick
32h 35m
1 stop
ORD18:15Chicago O'Hare Intl
£374
Find similar
Icelandair
7 Sept
ORD19:25Chicago O'Hare Intl
13h 15m
1 stop
LGW14:40London Gatwick
16 Sept
LGW15:40London Gatwick
32h 35m
1 stop
ORD18:15Chicago O'Hare Intl
£375
Find similar
Icelandair
11 Sept
ORD22:15Chicago O'Hare Intl
10h 25m
1 stop
LGW14:40London Gatwick
17 Sept
LGW15:35London Gatwick
11h 40m
1 stop
ORD21:15Chicago O'Hare Intl
£376
Find similar

British Airways flights from Chicago to London Gatwick Airport

Our best British Airways deals on Chicago to London Gatwick Airport flight tickets
British Airways
14 Oct
ORD19:00Chicago O'Hare Intl
29h 35m
1 stop
LGW06:35London Gatwick
21 Oct
LGW20:40London Gatwick
23h 35m
1 stop
ORD14:15Chicago O'Hare Intl
£385
Find similar
British Airways
10 Sept
ORD13:59Chicago O'Hare Intl
12h 11m
1 stop
LGW08:10London Gatwick
8 Oct
LGW10:40London Gatwick
14h 55m
1 stop
ORD19:35Chicago O'Hare Intl
£408
Find similar
British Airways
1 Oct
ORD13:59Chicago O'Hare Intl
12h 11m
1 stop
LGW08:10London Gatwick
6 Oct
LGW10:40London Gatwick
14h 55m
1 stop
ORD19:35Chicago O'Hare Intl
£414
Find similar

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 22 August 2025.
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

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 3/9

19:25-11:45

1 stop10h 20m

London Gatwick

Fri 12/9

15:40-18:15

1 stop32h 35m

£374

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 7/9

19:25-14:40

1 stop13h 15m

London Gatwick

Tue 16/9

15:40-18:15

1 stop32h 35m

£375

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 11/9

22:15-14:40

1 stop10h 25m

London Gatwick

Wed 17/9

15:35-21:15

1 stop11h 40m

£376

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 29/9

16:30-10:55

1 stop12h 25m

London Gatwick

Tue 7/10

10:40-19:35

1 stop14h 55m

£376

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 14/9

19:25-14:40

1 stop13h 15m

London Gatwick

Fri 19/9

15:40-21:15

1 stop11h 35m

£377

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 9/9

19:25-14:40

1 stop13h 15m

London Gatwick

Thu 18/9

15:40-18:15

1 stop32h 35m

£378

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 14/10

19:00-06:35

1 stop29h 35m

London Gatwick

Tue 21/10

20:40-14:15

1 stop23h 35m

£385

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 6/10

06:00-10:00

1 stop22h 00m

London Gatwick

Wed 15/10

15:30-12:35

2 stops27h 05m

£388

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 5/10

20:49-10:00

1 stop31h 11m

London Gatwick

Tue 4/11

06:05-15:00

2 stops38h 55m

£394

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 10/9

13:59-08:10

1 stop12h 11m

London Gatwick

Wed 8/10

10:40-19:35

1 stop14h 55m

£408

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 February. Flight prices, which tend to average around £438, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in February, then you should wait until November to fly from Chicago, when ticket prices are also cheap, with an average price of £484.

What is the cheapest day to depart on your flight to London Gatwick Airport?

According to our data, Thursday is the cheapest day to fly to London Gatwick Airport from Chicago. The lowest ticket price found for a Thursday departure recently was £411. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Chicago to London Gatwick Airport on a Friday will generally be more expensive and average around £735. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Our data shows that the cheapest Chicago to London Gatwick Airport flights are usually those with departure times in the afternoon. Our users have found flights to London Gatwick Airport in the afternoon for as low as £434. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the morning when prices are around £633.

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

Direct flights

None
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

  • How far is Chicago to London Gatwick by plane?

    The distance between Chicago and London Gatwick is about 3954.2 mi. 10h 20m 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
Milton Keynes
Luton
Maidstone
Slough
Gatwick
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Dartford
Hounslow
Dover
Chelmsford
Hayes
Folkestone
Bedford

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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