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Cheap flights from Chicago O'Hare Intl Airport to London from $368

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 3/28. 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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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
7:20 pm - 9:00 pm
ORD
-
LGW
19h 40m2 stops
Multiple Airlines Logo
11:10 am - 4:45 pm
LGW
-
ORD
35h 35m2 stops
$530Multiple Airlines
Mon, Jan 26 - Sun, Feb 1
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m1 stop
$531Icelandair
Thu, Apr 9 - Fri, Apr 17
Icelandair Logo
7:30 pm - 10:55 am
ORD
-
LGW
10h 25m1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m1 stop
$532Icelandair
Tue, Mar 24 - Fri, Apr 10
TAP AIR PORTUGAL Logo
6:00 pm - 2:00 pm
ORD
-
LGW
14h 00m1 stop
TAP AIR PORTUGAL Logo
9:15 pm - 4:00 pm
LGW
-
ORD
24h 45m2 stops
$533TAP AIR PORTUGAL
Wed, Apr 8 - Tue, Apr 14
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m1 stop
$534Icelandair
Tue, Apr 7 - Sun, Apr 19
Icelandair Logo
6:30 pm - 10:55 am
ORD
-
LGW
10h 25m1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m1 stop
$535Icelandair
Mon, Mar 2 - Fri, Apr 17
Icelandair Logo
6:30 pm - 10:55 am
ORD
-
LGW
10h 25m1 stop
Icelandair Logo
3:40 pm - 6:15 pm
LGW
-
ORD
32h 35m1 stop
$536Icelandair
Mon, Mar 2 - Mon, Apr 13
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m1 stop
Icelandair Logo
3:40 pm - 6:15 pm
LGW
-
ORD
32h 35m1 stop
$537Icelandair
Mon, Apr 6 - Thu, Apr 16
Multiple Airlines Logo
6:57 pm - 6:00 am
ORD
-
LGW
29h 03m2 stops
Multiple Airlines Logo
1:00 pm - 9:12 am
LGW
-
ORD
26h 12m1 stop
$538Multiple Airlines
Sun, Jan 25 - Mon, Feb 2
Multiple Airlines Logo
5:05 am - 10:00 am
ORD
-
LGW
22h 55m2 stops
Multiple Airlines Logo
2:00 pm - 7:45 pm
LGW
-
ORD
35h 45m1 stop
$540Multiple Airlines
Thu, Apr 2 - Mon, Apr 13

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
Apr 6
ORD7:25 pmChicago O'Hare Intl
13h 15m
1 stop
LGW2:40 pmLondon Gatwick
Apr 17
LGW3:40 pmLondon Gatwick
11h 45m
1 stop
ORD9:25 pmChicago O'Hare Intl
$532
Find similar
Icelandair
Apr 5
ORD10:25 pmChicago O'Hare Intl
10h 15m
1 stop
LGW2:40 pmLondon Gatwick
Apr 11
LGW3:40 pmLondon Gatwick
32h 35m
1 stop
ORD6:15 pmChicago O'Hare Intl
$534
Find similar
Icelandair
Mar 2
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Apr 12
LGW3:40 pmLondon Gatwick
11h 45m
1 stop
ORD9:25 pmChicago O'Hare Intl
$535
Find similar

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

Our best SWISS deals on Chicago O'Hare Intl Airport to London Gatwick Airport flight tickets
SWISS
Apr 22
ORD2:20 pmChicago O'Hare Intl
12h 00m
1 stop
LGW8:20 amLondon Gatwick
Apr 29
LGW9:15 amLondon Gatwick
12h 40m
1 stop
ORD3:55 pmChicago O'Hare Intl
$580
Find similar
SWISS
Jan 13
ORD6:50 pmChicago O'Hare Intl
17h 00m
1 stop
LGW5:50 pmLondon Gatwick
Jan 20
LGW6:40 pmLondon Gatwick
27h 40m
1 stop
ORD4:20 pmChicago O'Hare Intl
$582
Find similar
SWISS
Jan 13
ORD6:50 pmChicago O'Hare Intl
17h 00m
1 stop
LGW5:50 pmLondon Gatwick
Jan 20
LGW6:40 pmLondon Gatwick
27h 40m
1 stop
ORD4:20 pmChicago O'Hare Intl
$593
Find similar

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 8, 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

Mon 1/26

7:20 pm-9:00 pm

2 stops19h 40m

London Gatwick

Sun 2/1

11:10 am-4:45 pm

2 stops35h 35m

$530

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 4/9

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Fri 4/17

3:40 pm-9:25 pm

1 stop11h 45m

$531

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 3/24

7:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Fri 4/10

3:40 pm-9:25 pm

1 stop11h 45m

$532

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 4/8

6:00 pm-2:00 pm

1 stop14h 00m

London Gatwick

Tue 4/14

9:15 pm-4:00 pm

2 stops24h 45m

$533

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 4/7

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Sun 4/19

3:40 pm-9:25 pm

1 stop11h 45m

$534

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 3/2

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Fri 4/17

3:40 pm-9:25 pm

1 stop11h 45m

$535

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 3/2

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Mon 4/13

3:40 pm-6:15 pm

1 stop32h 35m

$536

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 4/6

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Thu 4/16

3:40 pm-6:15 pm

1 stop32h 35m

$537

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 1/25

6:57 pm-6:00 am

2 stops29h 03m

London Gatwick

Mon 2/2

1:00 pm-9:12 am

1 stop26h 12m

$538

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 4/2

5:05 am-10:00 am

2 stops22h 55m

London Gatwick

Mon 4/13

2:00 pm-7:45 pm

1 stop35h 45m

$540

Flights are sorted by cheapest round-trip 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 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 March is also very affordable. Most momondo users find prices during this month for around $543.

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 25m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to London Gatwick Airport takes 10h 25m
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 25m 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
593 reviews
Search Icelandair flights
British AirwaysPriceFrom $502Free CancellationRating
6.7
7,659 reviews
Search British Airways flights
DeltaPriceFrom $712Free CancellationRating
7.9
8,029 reviews
Search Delta flights

Traveling to a place near London?

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

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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