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Cheap flights from Chicago O'Hare Intl Airport to London from $355

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 3/21. 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 round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
6:30 pm - 10:55 am
ORD
-
LGW
10h 25m
1 stop
Icelandair Logo
11:55 am - 5:20 pm
LGW
-
ORD
11h 25m
1 stop
$521Icelandair
Fri, Feb 27 - Tue, Mar 3
TAP AIR PORTUGAL Logo
9:25 pm - 8:35 pm
ORD
-
LGW
18h 10m
2 stops
TAP AIR PORTUGAL Logo
4:35 pm - 4:00 pm
LGW
-
ORD
28h 25m
1 stop
$522TAP AIR PORTUGAL
Sun, Mar 8 - Tue, Mar 17
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m
1 stop
Icelandair Logo
1:00 pm - 6:15 pm
LGW
-
ORD
11h 15m
1 stop
$523Icelandair
Tue, May 5 - Thu, May 14
Multiple Airlines Logo
6:31 am - 6:20 am
ORD
-
LGW
17h 49m
1 stop
Multiple Airlines Logo
1:05 pm - 10:43 pm
LGW
-
ORD
15h 38m
1 stop
$525Multiple Airlines
Thu, May 7 - Sat, May 16
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m
1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m
1 stop
$526Icelandair
Wed, May 6 - Sun, May 10
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m
1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m
1 stop
$527Icelandair
Thu, Apr 30 - Fri, May 8
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m
1 stop
Icelandair Logo
3:40 pm - 6:15 pm
LGW
-
ORD
32h 35m
1 stop
$528Icelandair
Sat, May 2 - Sun, May 10
Multiple Airlines Logo
6:40 am - 6:00 am
ORD
-
LGW
17h 20m
1 stop
Multiple Airlines Logo
2:00 pm - 9:06 am
LGW
-
ORD
25h 06m
1 stop
$529Multiple Airlines
Sun, Feb 22 - Thu, Mar 5
TAP AIR PORTUGAL Logo
8:25 pm - 8:35 pm
ORD
-
LGW
18h 10m
2 stops
TAP AIR PORTUGAL Logo
4:35 pm - 4:00 pm
LGW
-
ORD
28h 25m
1 stop
$530TAP AIR PORTUGAL
Sun, Mar 1 - Tue, Mar 10
Icelandair Logo
7:25 pm - 11:45 am
ORD
-
LGW
10h 20m
1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m
1 stop
$531Icelandair
Mon, May 4 - Sun, May 10

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
Feb 7
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Feb 11
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$521
Icelandair
May 5
ORD7:25 pmChicago O'Hare Intl
13h 15m
1 stop
LGW2:40 pmLondon Gatwick
May 14
LGW1:00 pmLondon Gatwick
11h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
$523
Icelandair
May 6
ORD7:25 pmChicago O'Hare Intl
13h 15m
1 stop
LGW2:40 pmLondon Gatwick
May 10
LGW3:40 pmLondon Gatwick
11h 45m
1 stop
ORD9:25 pmChicago O'Hare Intl
$526

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
Feb 5
ORD11:50 amChicago O'Hare Intl
15h 30m
1 stop
LGW9:20 amLondon Gatwick
Feb 10
LGW6:25 amLondon Gatwick
33h 40m
1 stop
ORD10:05 amChicago O'Hare Intl
$642
Turkish Airlines
Feb 5
ORD11:50 amChicago O'Hare Intl
15h 30m
1 stop
LGW9:20 amLondon Gatwick
Feb 10
LGW5:05 pmLondon Gatwick
23h 00m
1 stop
ORD10:05 amChicago O'Hare Intl
$643
Turkish Airlines
Feb 3
ORD8:20 pmChicago O'Hare Intl
20h 15m
1 stop
LGW10:35 pmLondon Gatwick
Feb 13
LGW5:05 pmLondon Gatwick
23h 00m
1 stop
ORD10:05 amChicago O'Hare Intl
$646

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 January 29, 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

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 2/27

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Tue 3/3

11:55 am-5:20 pm

1 stop11h 25m

$521

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 3/8

9:25 pm-8:35 pm

2 stops18h 10m

London Gatwick

Tue 3/17

4:35 pm-4:00 pm

1 stop28h 25m

$522

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 5/5

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Thu 5/14

1:00 pm-6:15 pm

1 stop11h 15m

$523

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 5/7

6:31 am-6:20 am

1 stop17h 49m

London Gatwick

Sat 5/16

1:05 pm-10:43 pm

1 stop15h 38m

$525

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 5/6

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Sun 5/10

3:40 pm-9:25 pm

1 stop11h 45m

$526

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 4/30

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Fri 5/8

3:40 pm-9:25 pm

1 stop11h 45m

$527

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 5/2

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Sun 5/10

3:40 pm-6:15 pm

1 stop32h 35m

$528

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 2/22

6:40 am-6:00 am

1 stop17h 20m

London Gatwick

Thu 3/5

2:00 pm-9:06 am

1 stop25h 06m

$529

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 3/1

8:25 pm-8:35 pm

2 stops18h 10m

London Gatwick

Tue 3/10

4:35 pm-4:00 pm

1 stop28h 25m

$530

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 5/4

7:25 pm-11:45 am

1 stop10h 20m

London Gatwick

Sun 5/10

3:40 pm-9:25 pm

1 stop11h 45m

$531

Flights are sorted by cheapest round-trip 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 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, February 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 $498. If you are unable to visit London Gatwick Airport during the month of February, then departing from Chicago O'Hare Intl Airport during the month November is also very affordable. Most momondo users find prices during this month for around $553.

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

You could potentially save up to 21% 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 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

  • 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 15m 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 $477Free CancellationRating
7.1
606 reviews
Search Icelandair flights
DeltaPriceFrom $712Free CancellationRating
7.9
8,127 reviews
Search Delta flights

Traveling to a place near London?

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

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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