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Cheap flights from Chicago to London from £204

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 5/12. 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

Enter your travel dates to find the best prices.
Icelandair Logo
19:25 - 14:40ORD-LGW
13h 15m1 stop
Icelandair Logo
15:40 - 18:15LGW-ORD
32h 35m1 stop
£427Icelandair
Find Deal
Wed, 8 Apr - Wed, 15 Apr
Multiple Airlines Logo
11:27 - 10:00MDW-LGW
16h 33m1 stop
Multiple Airlines Logo
14:00 - 08:53LGW-MDW
24h 53m2 stops
£428Multiple Airlines
Find Deal
Thu, 15 Jan - Fri, 6 Feb
Multiple Airlines Logo
18:30 - 17:50ORD-LGW
17h 20m3 stops
Multiple Airlines Logo
08:50 - 17:20LGW-ORD
14h 30m2 stops
£430Multiple Airlines
Find Deal
Tue, 27 Jan - Tue, 3 Feb
Multiple Airlines Logo
18:30 - 17:50ORD-LGW
17h 20m3 stops
Multiple Airlines Logo
08:25 - 17:20LGW-ORD
14h 55m2 stops
£432Multiple Airlines
Find Deal
Mon, 26 Jan - Sun, 1 Feb
Icelandair Logo
19:25 - 14:40ORD-LGW
13h 15m1 stop
Icelandair Logo
15:40 - 18:15LGW-ORD
32h 35m1 stop
£432Icelandair
Find Deal
Sat, 25 Apr - Mon, 4 May
Icelandair Logo
18:30 - 10:55ORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 - 17:20LGW-ORD
11h 25m1 stop
£434Icelandair
Find Deal
Tue, 13 Jan - Mon, 19 Jan
Icelandair Logo
18:30 - 10:55ORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 - 17:20LGW-ORD
11h 25m1 stop
£435Icelandair
Find Deal
Sat, 6 Dec - Wed, 24 Dec
Icelandair Logo
18:30 - 10:55ORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 - 17:20LGW-ORD
11h 25m1 stop
£435Icelandair
Find Deal
Wed, 3 Dec - Wed, 24 Dec
Icelandair Logo
18:30 - 10:55ORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 - 17:20LGW-ORD
11h 25m1 stop
£436Icelandair
Find Deal
Wed, 11 Feb - Wed, 18 Feb
Icelandair Logo
18:30 - 10:55ORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 - 17:20LGW-ORD
11h 25m1 stop
£438Icelandair
Find Deal
Thu, 15 Jan - Wed, 4 Feb

Icelandair flights from Chicago to London Gatwick Airport

Our best Icelandair deals on Chicago to London Gatwick Airport flight tickets
Icelandair
9 Jan
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
12 Jan
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
£426
Find similar
Icelandair
8 Apr
ORD19:25Chicago O'Hare Intl
13h 15m
1 stop
LGW14:40London Gatwick
15 Apr
LGW15:40London Gatwick
32h 35m
1 stop
ORD18:15Chicago O'Hare Intl
£427
Find similar
Icelandair
23 Mar
ORD19:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
3 Apr
LGW15:40London Gatwick
12h 00m
1 stop
ORD21:40Chicago O'Hare Intl
£429
Find similar

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
28 Nov
ORD20:15Chicago O'Hare Intl
31h 35m
1 stop
LGW09:50London Gatwick
6 Dec
LGW16:35London Gatwick
28h 10m
1 stop
ORD14:45Chicago O'Hare Intl
£437
Find similar
TAP AIR PORTUGAL
30 Nov
ORD20:25Chicago O'Hare Intl
13h 20m
1 stop
LGW15:45London Gatwick
25 Dec
LGW16:00London Gatwick
29h 25m
1 stop
ORD15:25Chicago O'Hare Intl
£439
Find similar
TAP AIR PORTUGAL
21 Nov
ORD20:15Chicago O'Hare Intl
13h 30m
1 stop
LGW15:45London Gatwick
25 Nov
LGW16:35London Gatwick
28h 25m
1 stop
ORD15:00Chicago O'Hare Intl
£440
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 21 November 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 8/4

19:25-14:40

1 stop13h 15m

London Gatwick

Wed 15/4

15:40-18:15

1 stop32h 35m

£427

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 15/1

11:27-10:00

1 stop16h 33m

London Gatwick

Fri 6/2

14:00-08:53

2 stops24h 53m

£428

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 27/1

18:30-17:50

3 stops17h 20m

London Gatwick

Tue 3/2

08:50-17:20

2 stops14h 30m

£430

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 26/1

18:30-17:50

3 stops17h 20m

London Gatwick

Sun 1/2

08:25-17:20

2 stops14h 55m

£432

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 25/4

19:25-14:40

1 stop13h 15m

London Gatwick

Mon 4/5

15:40-18:15

1 stop32h 35m

£432

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 13/1

18:30-10:55

1 stop10h 25m

London Gatwick

Mon 19/1

11:55-17:20

1 stop11h 25m

£434

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 6/12

18:30-10:55

1 stop10h 25m

London Gatwick

Wed 24/12

11:55-17:20

1 stop11h 25m

£435

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 3/12

18:30-10:55

1 stop10h 25m

London Gatwick

Wed 24/12

11:55-17:20

1 stop11h 25m

£435

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 11/2

18:30-10:55

1 stop10h 25m

London Gatwick

Wed 18/2

11:55-17:20

1 stop11h 25m

£436

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 15/1

18:30-10:55

1 stop10h 25m

London Gatwick

Wed 4/2

11:55-17:20

1 stop11h 25m

£438

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 £399, 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 £451.

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 £423. 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 £755. 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 £446. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the morning when prices are around £651.

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
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Dover
Colchester
Chelmsford
Hayes
Worthing
Ramsgate
Dartford
Bedford
Winchester

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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