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Cheap flights from Chicago O'Hare Intl Airport to London from £318

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 O'Hare Intl Airport to London departing on 15/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Chicago O'Hare Intl Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
19:25 - 14:40
ORD
-
LGW
13h 15m
1 stop
Icelandair Logo
15:40 - 18:15
LGW
-
ORD
32h 35m
1 stop
£578Icelandair
Fri, 4 Sep - Tue, 22 Sep
Icelandair Logo
22:25 - 11:45
ORD
-
LGW
31h 20m
1 stop
Icelandair Logo
15:40 - 21:25
LGW
-
ORD
11h 45m
1 stop
£579Icelandair
Sun, 16 Aug - Wed, 2 Sep
Turkish Airlines Logo
11:25 - 16:35
ORD
-
LGW
23h 10m
1 stop
Turkish Airlines Logo
10:50 - 09:40
LGW
-
ORD
28h 50m
1 stop
£583Turkish Airlines
Tue, 29 Sep - Tue, 6 Oct
Icelandair Logo
19:25 - 14:40
ORD
-
LGW
13h 15m
1 stop
Icelandair Logo
15:40 - 21:25
LGW
-
ORD
11h 45m
1 stop
£595Icelandair
Thu, 20 Aug - Wed, 26 Aug
Turkish Airlines Logo
20:10 - 22:30
ORD
-
LGW
20h 20m
1 stop
Turkish Airlines Logo
07:05 - 18:15
LGW
-
ORD
17h 10m
1 stop
£596Turkish Airlines
Wed, 16 Sep - Mon, 28 Sep
Icelandair Logo
22:25 - 11:45
ORD
-
LGW
31h 20m
1 stop
Icelandair Logo
15:40 - 21:25
LGW
-
ORD
11h 45m
1 stop
£597Icelandair
Tue, 18 Aug - Mon, 31 Aug
Multiple Airlines Logo
08:50 - 19:30
ORD
-
LGW
28h 40m
2 stops
Multiple Airlines Logo
22:00 - 19:40
LGW
-
ORD
27h 40m
2 stops
£598Multiple Airlines
Mon, 25 May - Fri, 29 May
Turkish Airlines Logo
11:25 - 22:25
ORD
-
LGW
29h 00m
1 stop
Turkish Airlines Logo
07:05 - 18:15
LGW
-
ORD
17h 10m
1 stop
£599Turkish Airlines
Thu, 8 Oct - Mon, 12 Oct
SWISS Logo
14:40 - 08:25
ORD
-
LGW
11h 45m
1 stop
SWISS Logo
09:25 - 15:55
LGW
-
ORD
12h 30m
1 stop
£601SWISS
Tue, 29 Sep - Fri, 23 Oct
Turkish Airlines Logo
12:50 - 22:35
ORD
-
LGW
28h 45m
1 stop
Turkish Airlines Logo
06:25 - 19:25
LGW
-
ORD
19h 00m
1 stop
£601Turkish Airlines
Tue, 27 Oct - Tue, 3 Nov

Icelandair flights from Chicago O'Hare Intl Airport to London Gatwick Airport

Our best Icelandair deals on Chicago O'Hare Intl Airport to London Gatwick Airport flight tickets
Icelandair
4 Sept
ORD19:25Chicago O'Hare Intl
13h 15m
1 stop
LGW14:40London Gatwick
22 Sept
LGW15:40London Gatwick
32h 35m
1 stop
ORD18:15Chicago O'Hare Intl
£578
Icelandair
16 Aug
ORD22:25Chicago O'Hare Intl
31h 20m
1 stop
LGW11:45London Gatwick
2 Sept
LGW15:40London Gatwick
11h 45m
1 stop
ORD21:25Chicago O'Hare Intl
£579
Icelandair
20 Aug
ORD19:25Chicago O'Hare Intl
13h 15m
1 stop
LGW14:40London Gatwick
26 Aug
LGW15:40London Gatwick
11h 45m
1 stop
ORD21:25Chicago O'Hare Intl
£595

Turkish Airlines flights from Chicago O'Hare Intl Airport to London Gatwick Airport

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to London Gatwick Airport flight tickets
Turkish Airlines
29 Sept
ORD11:25Chicago O'Hare Intl
23h 10m
1 stop
LGW16:35London Gatwick
6 Oct
LGW10:50London Gatwick
28h 50m
1 stop
ORD09:40Chicago O'Hare Intl
£583
Turkish Airlines
16 Sept
ORD20:10Chicago O'Hare Intl
20h 20m
1 stop
LGW22:30London Gatwick
28 Sept
LGW07:05London Gatwick
17h 10m
1 stop
ORD18:15Chicago O'Hare Intl
£596
Turkish Airlines
8 Oct
ORD11:25Chicago O'Hare Intl
29h 00m
1 stop
LGW22:25London Gatwick
12 Oct
LGW07:05London Gatwick
17h 10m
1 stop
ORD18:15Chicago O'Hare Intl
£599

momondo Fare Finder

 
Customise your flight search to find flights from Chicago O'Hare Intl Airport 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 10 May 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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 4/9

19:25-14:40

1 stop13h 15m

London Gatwick

Tue 22/9

15:40-18:15

1 stop32h 35m

£578

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 16/8

22:25-11:45

1 stop31h 20m

London Gatwick

Wed 2/9

15:40-21:25

1 stop11h 45m

£579

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 29/9

11:25-16:35

1 stop23h 10m

London Gatwick

Tue 6/10

10:50-09:40

1 stop28h 50m

£583

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 20/8

19:25-14:40

1 stop13h 15m

London Gatwick

Wed 26/8

15:40-21:25

1 stop11h 45m

£595

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 16/9

20:10-22:30

1 stop20h 20m

London Gatwick

Mon 28/9

07:05-18:15

1 stop17h 10m

£596

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 18/8

22:25-11:45

1 stop31h 20m

London Gatwick

Mon 31/8

15:40-21:25

1 stop11h 45m

£597

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 25/5

08:50-19:30

2 stops28h 40m

London Gatwick

Fri 29/5

22:00-19:40

2 stops27h 40m

£598

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 8/10

11:25-22:25

1 stop29h 00m

London Gatwick

Mon 12/10

07:05-18:15

1 stop17h 10m

£599
Fastest return journey

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 29/9

14:40-08:25

1 stop11h 45m

London Gatwick

Fri 23/10

09:25-15:55

1 stop12h 30m

£601

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 27/10

12:50-22:35

1 stop28h 45m

London Gatwick

Tue 3/11

06:25-19:25

1 stop19h 00m

£601

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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport is in June. Flight prices, which tend to average around £272, 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 January to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of £351.

When to book flights from Chicago O'Hare Intl Airport to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chicago O'Hare Intl Airport to London Gatwick Airport (ORD to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to London Gatwick Airport

Fastest flight time

10h 15m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to London Gatwick Airport takes 10h 15m
There are no direct flights from Chicago O'Hare Intl Airport to London Gatwick Airport. There are no popular flight routes from Chicago O'Hare Intl Airport to London Gatwick Airport.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to London Gatwick Airport

  • How far is Chicago O'Hare Intl to London Gatwick by plane?

    The distance between Chicago O'Hare Intl and London Gatwick is about 3960.0 mi. Typically, this will take 10h 15m by plane in normal conditions.

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

    Prices for flights from Chicago O'Hare Intl Airport to London Gatwick Airport were last updated today.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to London Gatwick Airport.

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

    The travel and health documents you'll need for your trip to London Gatwick Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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
Chichester
Bedford
Harlow
Ramsgate

Why use momondo?

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

It is quick and easy to find Chicago to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. All flights to London from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Chicago and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Chicago to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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