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Cheap flights from Chicago to London from £325

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 19/6. 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
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
18:00 - 15:40
ORD
-
LGW
15h 40m
1 stop
TAP AIR PORTUGAL Logo
16:30 - 16:00
LGW
-
ORD
29h 30m
1 stop
£636TAP AIR PORTUGAL
Fri, 9 Oct - Sat, 17 Oct
Turkish Airlines Logo
20:10 - 22:30
ORD
-
LGW
20h 20m
1 stop
Turkish Airlines Logo
10:50 - 09:40
LGW
-
ORD
28h 50m
1 stop
£638Turkish Airlines
Wed, 16 Sep - Mon, 28 Sep
Multiple Airlines Logo
09:55 - 10:45
ORD
-
LGW
18h 50m
1 stop
Multiple Airlines Logo
11:35 - 16:57
LGW
-
ORD
35h 22m
2 stops
£639Multiple Airlines
Sun, 14 Jun - Mon, 22 Jun
Multiple Airlines Logo
07:25 - 07:55
ORD
-
LGW
18h 30m
2 stops
Multiple Airlines Logo
11:35 - 20:16
LGW
-
ORD
14h 41m
2 stops
£639Multiple Airlines
Tue, 9 Jun - Wed, 17 Jun
Multiple Airlines Logo
22:25 - 21:55
ORD
-
LGW
17h 30m
2 stops
Multiple Airlines Logo
16:40 - 16:00
LGW
-
ORD
29h 20m
2 stops
£640Multiple Airlines
Sat, 5 Sep - Thu, 17 Sep
Turkish Airlines Logo
20:10 - 22:25
ORD
-
LGW
20h 15m
1 stop
Turkish Airlines Logo
17:35 - 09:40
LGW
-
ORD
22h 05m
1 stop
£641Turkish Airlines
Fri, 2 Oct - Mon, 5 Oct
TAP AIR PORTUGAL Logo
19:00 - 15:05
ORD
-
LGW
14h 05m
1 stop
TAP AIR PORTUGAL Logo
16:35 - 15:30
LGW
-
ORD
28h 55m
1 stop
£642TAP AIR PORTUGAL
Wed, 11 Nov - Tue, 17 Nov
Multiple Airlines Logo
10:15 - 07:55
MDW
-
LGW
15h 40m
2 stops
Multiple Airlines Logo
09:40 - 14:35
LGW
-
MDW
34h 55m
2 stops
£642Multiple Airlines
Tue, 2 Jun - Sun, 7 Jun
Air Transat Logo
10:25 - 09:50
MDW
-
LGW
17h 25m
2 stops
Air Transat Logo
09:40 - 14:35
LGW
-
MDW
34h 55m
2 stops
£651Air Transat
Thu, 18 Jun - Sun, 21 Jun
Porter Airlines Logo
10:15 - 09:50
MDW
-
LGW
17h 35m
2 stops
Porter Airlines Logo
11:35 - 09:35
LGW
-
MDW
28h 00m
2 stops
£657Porter Airlines
Fri, 12 Jun - Mon, 15 Jun

SWISS flights from Chicago to London Gatwick Airport

Our best SWISS deals on Chicago to London Gatwick Airport flight tickets
SWISS
7 Oct
ORD14:20Chicago O'Hare Intl
12h 05m
1 stop
LGW08:25London Gatwick
12 Oct
LGW18:35London Gatwick
24h 00m
1 stop
ORD12:35Chicago O'Hare Intl
£651
SWISS
16 Aug
ORD14:20Chicago O'Hare Intl
12h 05m
1 stop
LGW08:25London Gatwick
28 Aug
LGW09:25London Gatwick
12h 30m
1 stop
ORD15:55Chicago O'Hare Intl
£652
SWISS
29 Sept
ORD14:40Chicago O'Hare Intl
21h 10m
1 stop
LGW17:50London Gatwick
5 Oct
LGW18:35London Gatwick
24h 00m
1 stop
ORD12:35Chicago O'Hare Intl
£653

Delta flights from Chicago to London Gatwick Airport

Our best Delta deals on Chicago to London Gatwick Airport flight tickets
Delta
2 Nov
ORD17:20Chicago O'Hare Intl
16h 25m
1 stop
LGW15:45London Gatwick
12 Nov
LGW10:00London Gatwick
11h 10m
1 stop
ORD15:10Chicago O'Hare Intl
£654
Delta
2 Nov
ORD17:20Chicago O'Hare Intl
16h 25m
1 stop
LGW15:45London Gatwick
12 Nov
LGW10:00London Gatwick
11h 10m
1 stop
ORD15:10Chicago O'Hare Intl
£654

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 18 May 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 - LGW

ORDLGW

Chicago O'Hare Intl

Fri 9/10

18:00-15:40

1 stop15h 40m

London Gatwick

Sat 17/10

16:30-16:00

1 stop29h 30m

£636

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 16/9

20:10-22:30

1 stop20h 20m

London Gatwick

Mon 28/9

10:50-09:40

1 stop28h 50m

£638

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 14/6

09:55-10:45

1 stop18h 50m

London Gatwick

Mon 22/6

11:35-16:57

2 stops35h 22m

£639
Fastest return journey

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 9/6

07:25-07:55

2 stops18h 30m

London Gatwick

Wed 17/6

11:35-20:16

2 stops14h 41m

£639

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 5/9

22:25-21:55

2 stops17h 30m

London Gatwick

Thu 17/9

16:40-16:00

2 stops29h 20m

£640

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 2/10

20:10-22:25

1 stop20h 15m

London Gatwick

Mon 5/10

17:35-09:40

1 stop22h 05m

£641

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 11/11

19:00-15:05

1 stop14h 05m

London Gatwick

Tue 17/11

16:35-15:30

1 stop28h 55m

£642

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Tue 2/6

10:15-07:55

2 stops15h 40m

London Gatwick

Sun 7/6

09:40-14:35

2 stops34h 55m

£642

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 18/6

10:25-09:50

2 stops17h 25m

London Gatwick

Sun 21/6

09:40-14:35

2 stops34h 55m

£651

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Fri 12/6

10:15-09:50

2 stops17h 35m

London Gatwick

Mon 15/6

11:35-09:35

2 stops28h 00m

£657

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 June. Flight prices, which tend to average around £47, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in June, then you should wait until August to fly from Chicago, when ticket prices are also cheap, with an average price of £61.

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 15m

Direct flights

None
The fastest flight from Chicago to London Gatwick Airport takes 10h 15m
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 15m 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
Wembley
Slough
Maidstone
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Folkestone
Chelmsford
Dover
Bedford
Chichester
Harlow
Colchester

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.

An easier way to manage your London Gatwick Airport trip

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