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Cheap flights from Chicago to London from £171

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 19/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Icelandair Logo
18:30 - 10:55ORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 - 17:20LGW-ORD
11h 25m1 stop
£370Icelandair
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Mon, 2 Feb - Sun, 15 Feb
Multiple Airlines Logo
18:30 - 17:20ORD-LGW
16h 50m2 stops
Multiple Airlines Logo
08:50 - 17:20LGW-ORD
14h 30m2 stops
£371Multiple Airlines
Find Deal
Wed, 5 Nov - Wed, 12 Nov
Multiple Airlines Logo
19:51 - 10:00ORD-LGW
32h 09m1 stop
Multiple Airlines Logo
14:00 - 18:46LGW-ORD
34h 46m1 stop
£372Multiple Airlines
Find Deal
Mon, 6 Oct - Thu, 9 Oct
Icelandair Logo
18:30 - 10:55ORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 - 17:20LGW-ORD
11h 25m1 stop
£372Icelandair
Find Deal
Thu, 12 Feb - Sun, 15 Feb
Multiple Airlines Logo
18:30 - 18:45ORD-LGW
18h 15m2 stops
Multiple Airlines Logo
20:50 - 17:20LGW-ORD
26h 30m2 stops
£374Multiple Airlines
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Fri, 28 Nov - Thu, 4 Dec
Multiple Airlines Logo
17:17 - 10:00ORD-LGW
34h 43m1 stop
Multiple Airlines Logo
14:00 - 17:53LGW-ORD
33h 53m1 stop
£375Multiple Airlines
Find Deal
Fri, 3 Oct - Mon, 6 Oct
SWISS Logo
18:50 - 17:50ORD-LGW
17h 00m1 stop
SWISS Logo
18:40 - 16:20LGW-ORD
27h 40m1 stop
£378SWISS
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Wed, 3 Dec - Tue, 9 Dec
SWISS Logo
19:05 - 17:50ORD-LGW
16h 45m1 stop
SWISS Logo
18:35 - 15:55LGW-ORD
27h 20m1 stop
£378SWISS
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Tue, 14 Oct - Tue, 21 Oct
TAP AIR PORTUGAL Logo
20:15 - 15:45ORD-LGW
13h 30m1 stop
TAP AIR PORTUGAL Logo
10:10 - 15:15LGW-ORD
35h 05m2 stops
£388TAP AIR PORTUGAL
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Fri, 7 Nov - Thu, 13 Nov
TAP AIR PORTUGAL Logo
20:15 - 15:45ORD-LGW
13h 30m1 stop
TAP AIR PORTUGAL Logo
10:10 - 14:45LGW-ORD
34h 35m2 stops
£397TAP AIR PORTUGAL
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Fri, 7 Nov - Sat, 15 Nov

Icelandair flights from Chicago to London Gatwick Airport

Our best Icelandair deals on Chicago to London Gatwick Airport flight tickets
Icelandair
2 Feb
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
15 Feb
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
£370
Find similar
Icelandair
12 Feb
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
15 Feb
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
£372
Find similar
Icelandair
8 Nov
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
15 Nov
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
£375
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
30 Sept
ORD18:35Chicago O'Hare Intl
32h 00m
1 stop
LGW08:35London Gatwick
6 Oct
LGW10:40London Gatwick
15h 20m
1 stop
ORD20:00Chicago O'Hare Intl
£399
Find similar
British Airways
20 Sept
ORD17:36Chicago O'Hare Intl
30h 59m
1 stop
LGW06:35London Gatwick
29 Sept
LGW10:40London Gatwick
15h 01m
1 stop
ORD19:41Chicago O'Hare Intl
£405
Find similar
British Airways
25 Sept
ORD17:36Chicago O'Hare Intl
30h 59m
1 stop
LGW06:35London Gatwick
1 Oct
LGW14:30London Gatwick
28h 53m
1 stop
ORD13:23Chicago O'Hare Intl
£410
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 17 September 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

Mon 2/2

18:30-10:55

1 stop10h 25m

London Gatwick

Sun 15/2

11:55-17:20

1 stop11h 25m

£370

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 5/11

18:30-17:20

2 stops16h 50m

London Gatwick

Wed 12/11

08:50-17:20

2 stops14h 30m

£371

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 6/10

19:51-10:00

1 stop32h 09m

London Gatwick

Thu 9/10

14:00-18:46

1 stop34h 46m

£372

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 12/2

18:30-10:55

1 stop10h 25m

London Gatwick

Sun 15/2

11:55-17:20

1 stop11h 25m

£372

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 28/11

18:30-18:45

2 stops18h 15m

London Gatwick

Thu 4/12

20:50-17:20

2 stops26h 30m

£374

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 3/10

17:17-10:00

1 stop34h 43m

London Gatwick

Mon 6/10

14:00-17:53

1 stop33h 53m

£375

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 3/12

18:50-17:50

1 stop17h 00m

London Gatwick

Tue 9/12

18:40-16:20

1 stop27h 40m

£378

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 14/10

19:05-17:50

1 stop16h 45m

London Gatwick

Tue 21/10

18:35-15:55

1 stop27h 20m

£378

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 7/11

20:15-15:45

1 stop13h 30m

London Gatwick

Thu 13/11

10:10-15:15

2 stops35h 05m

£388

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 7/11

20:15-15:45

1 stop13h 30m

London Gatwick

Sat 15/11

10:10-14:45

2 stops34h 35m

£397

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 typical price of a round-trip flight between Chicago and London Gatwick Airport?

What is the cheapest month to fly to London Gatwick Airport?

The cheapest month to fly to London Gatwick Airport from Chicago is in November. Flight prices, which tend to average around £382, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in November, then you should wait until February to fly from Chicago, when ticket prices are also cheap, with an average price of £432.

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 £405. 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 £724. 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 £428. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the morning when prices are around £624.

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 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
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Chelmsford
Dover
Hayes
Dartford
Winchester
Hounslow
Stansted

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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