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Cheap flights from Chicago O'Hare Intl Airport to London from $306

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 7/23. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago O'Hare Intl Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:00 pm - 6:55 pm
ORD
-
LGW
15h 55m
1 stop
Multiple Airlines Logo
12:10 pm - 7:15 pm
LGW
-
ORD
13h 05m
1 stop
$775Multiple Airlines
Fri, Sep 4 - Sun, Sep 13
Multiple Airlines Logo
10:16 am - 10:00 am
ORD
-
LGW
17h 44m
1 stop
Multiple Airlines Logo
2:00 pm - 11:55 pm
LGW
-
ORD
15h 55m
1 stop
$776Multiple Airlines
Fri, Aug 7 - Thu, Oct 1
Multiple Airlines Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m
1 stop
Multiple Airlines Logo
6:10 am - 7:15 pm
LGW
-
ORD
19h 05m
2 stops
$777Multiple Airlines
Mon, Sep 14 - Tue, Sep 22
TAP AIR PORTUGAL Logo
6:00 pm - 9:45 am
ORD
-
LGW
33h 45m
1 stop
TAP AIR PORTUGAL Logo
4:25 pm - 12:40 pm
LGW
-
ORD
26h 15m
1 stop
$778TAP AIR PORTUGAL
Sun, Aug 2 - Wed, Aug 19
TAP AIR PORTUGAL Logo
7:45 pm - 9:45 am
ORD
-
LGW
32h 00m
1 stop
TAP AIR PORTUGAL Logo
4:30 pm - 4:00 pm
LGW
-
ORD
29h 30m
1 stop
$779TAP AIR PORTUGAL
Thu, Aug 6 - Sat, Aug 22
Multiple Airlines Logo
7:25 pm - 2:35 pm
ORD
-
LGW
13h 10m
1 stop
Multiple Airlines Logo
2:00 pm - 11:55 pm
LGW
-
ORD
15h 55m
1 stop
$780Multiple Airlines
Sat, Sep 19 - Wed, Sep 23
Icelandair Logo
10:25 pm - 11:45 am
ORD
-
LGW
31h 20m
1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m
1 stop
$781Icelandair
Tue, Aug 18 - Mon, Aug 24
Multiple Airlines Logo
3:45 pm - 8:20 am
ORD
-
LGW
10h 35m
1 stop
Multiple Airlines Logo
8:40 am - 7:15 pm
LGW
-
ORD
16h 35m
1 stop
$782Multiple Airlines
Thu, Aug 27 - Mon, Aug 31
Icelandair Logo
10:25 pm - 11:45 am
ORD
-
LGW
31h 20m
1 stop
Icelandair Logo
3:40 pm - 6:15 pm
LGW
-
ORD
32h 35m
1 stop
$783Icelandair
Tue, Aug 4 - Sun, Aug 23
Multiple Airlines Logo
3:45 pm - 8:55 am
ORD
-
LGW
11h 10m
1 stop
Multiple Airlines Logo
8:55 am - 2:00 pm
LGW
-
ORD
11h 05m
1 stop
$784Multiple Airlines
Sun, Aug 9 - Sun, Aug 16

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

Our best JetBlue deals on Chicago O'Hare Intl Airport to London Gatwick Airport flight tickets
JetBlue
Jul 17
ORD8:10 pmChicago O'Hare Intl
31h 25m
1 stop
LGW9:35 amLondon Gatwick
Aug 31
LGW12:20 pmLondon Gatwick
13h 06m
1 stop
ORD7:26 pmChicago O'Hare Intl
$885
JetBlue
Jul 13
ORD8:10 pmChicago O'Hare Intl
31h 25m
1 stop
LGW9:35 amLondon Gatwick
Aug 12
LGW12:20 pmLondon Gatwick
13h 07m
1 stop
ORD7:27 pmChicago O'Hare Intl
$970
JetBlue
Jul 17
ORD8:10 pmChicago O'Hare Intl
31h 25m
1 stop
LGW9:35 amLondon Gatwick
Aug 16
LGW12:20 pmLondon Gatwick
13h 07m
1 stop
ORD7:27 pmChicago O'Hare Intl
$977

TAP AIR PORTUGAL flights from Chicago O'Hare Intl Airport to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Chicago O'Hare Intl Airport to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
Aug 2
ORD6:00 pmChicago O'Hare Intl
33h 45m
1 stop
LGW9:45 amLondon Gatwick
Aug 19
LGW4:25 pmLondon Gatwick
26h 15m
1 stop
ORD12:40 pmChicago O'Hare Intl
$778
TAP AIR PORTUGAL
Aug 6
ORD7:45 pmChicago O'Hare Intl
32h 00m
1 stop
LGW9:45 amLondon Gatwick
Aug 22
LGW4:30 pmLondon Gatwick
29h 30m
1 stop
ORD4:00 pmChicago O'Hare Intl
$779
TAP AIR PORTUGAL
Aug 9
ORD6:00 pmChicago O'Hare Intl
33h 45m
1 stop
LGW9:45 amLondon Gatwick
Aug 28
LGW10:35 amLondon Gatwick
35h 30m
1 stop
ORD4:05 pmChicago O'Hare Intl
$787

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated July 11, 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 round-trip

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 9/4

9:00 pm-6:55 pm

1 stop15h 55m

London Gatwick

Sun 9/13

12:10 pm-7:15 pm

1 stop13h 05m

$775

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 8/7

10:16 am-10:00 am

1 stop17h 44m

London Gatwick

Thu 10/1

2:00 pm-11:55 pm

1 stop15h 55m

$776

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 9/14

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Tue 9/22

6:10 am-7:15 pm

2 stops19h 05m

$777

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 8/2

6:00 pm-9:45 am

1 stop33h 45m

London Gatwick

Wed 8/19

4:25 pm-12:40 pm

1 stop26h 15m

$778

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 8/6

7:45 pm-9:45 am

1 stop32h 00m

London Gatwick

Sat 8/22

4:30 pm-4:00 pm

1 stop29h 30m

$779

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 9/19

7:25 pm-2:35 pm

1 stop13h 10m

London Gatwick

Wed 9/23

2:00 pm-11:55 pm

1 stop15h 55m

$780

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 8/18

10:25 pm-11:45 am

1 stop31h 20m

London Gatwick

Mon 8/24

3:40 pm-9:25 pm

1 stop11h 45m

$781

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 8/27

3:45 pm-8:20 am

1 stop10h 35m

London Gatwick

Mon 8/31

8:40 am-7:15 pm

1 stop16h 35m

$782

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 8/4

10:25 pm-11:45 am

1 stop31h 20m

London Gatwick

Sun 8/23

3:40 pm-6:15 pm

1 stop32h 35m

$783
Quickest round-trip

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 8/9

3:45 pm-8:55 am

1 stop11h 10m

London Gatwick

Sun 8/16

8:55 am-2:00 pm

1 stop11h 05m

$784

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest month to fly to London Gatwick Airport?

In general, January is the cheapest month to fly from Chicago O'Hare Intl Airport to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $478. If you are unable to visit London Gatwick Airport during the month of January, then departing from Chicago O'Hare Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $492.

Can stopping save me money on Chicago O'Hare Intl Airport to London Gatwick Airport flights?

You could potentially save up to 48% on your flight if you consider stops on a Chicago O'Hare Intl Airport to London Gatwick Airport flight.

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 round-trip 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 05m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to London Gatwick Airport takes 10h 05m
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 straight-line distance from Chicago O'Hare Intl to London Gatwick is 3960.0 mi. 10h 05m is a normal flight duration for this route.

  • 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 refresh daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to London Gatwick Airport?

  • 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.

  • What is the most popular airline from Chicago O'Hare Intl Airport to London Gatwick Airport?

Best airlines flying from Chicago O'Hare Intl Airport to London Gatwick Airport

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $430Free CancellationRating
7.0
705 reviews
Search Icelandair flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Wembley
Croydon
Stansted
Harrow
Slough
Watford
Brentwood
Ilford
Cobham
Folkestone
Guildford
Romford
Uxbridge

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?

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?

If you are not ready to book a flight from Chicago to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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