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Cheap flights from Chicago O'Hare Intl Airport to London from $233

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 11/15. 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
7:10 pm - 4:20 pmORD-LGW
15h 10m2 stops
Multiple Airlines Logo
8:10 pm - 4:45 pmLGW-ORD
26h 35m2 stops
$536Multiple Airlines
Find Deal
Sun, Jan 25 - Thu, Jan 29
TAP AIR PORTUGAL Logo
8:25 pm - 3:45 pmORD-LGW
13h 20m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 2:45 pmLGW-ORD
28h 10m1 stop
$537TAP AIR PORTUGAL
Find Deal
Sun, Nov 30 - Sat, Dec 6
TAP AIR PORTUGAL Logo
8:15 pm - 3:45 pmORD-LGW
13h 30m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 2:45 pmLGW-ORD
28h 10m1 stop
$539TAP AIR PORTUGAL
Find Deal
Fri, Nov 28 - Sat, Dec 6
Icelandair Logo
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
$540Icelandair
Find Deal
Thu, Jan 29 - Sun, Mar 1
Icelandair Logo
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 am - 6:20 pmLGW-ORD
11h 25m1 stop
$541Icelandair
Find Deal
Sat, Mar 7 - Sun, Mar 15
Icelandair Logo
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
$543Icelandair
Find Deal
Wed, Nov 26 - Wed, Dec 3
Multiple Airlines Logo
3:35 pm - 3:10 pmORD-LGW
17h 35m2 stops
Multiple Airlines Logo
8:30 am - 8:05 pmLGW-ORD
17h 35m2 stops
$545Multiple Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
Multiple Airlines Logo
9:50 pm - 8:10 pmORD-LGW
16h 20m2 stops
Multiple Airlines Logo
9:40 pm - 1:10 pmLGW-ORD
21h 30m2 stops
$547Multiple Airlines
Find Deal
Sun, Nov 9 - Tue, Nov 18
Multiple Airlines Logo
6:40 am - 6:00 amORD-LGW
17h 20m1 stop
Multiple Airlines Logo
1:10 pm - 3:00 pmLGW-ORD
31h 50m2 stops
$548Multiple Airlines
Find Deal
Mon, Jan 26 - Tue, Feb 3
SWISS Logo
7:05 pm - 5:50 pmORD-LGW
16h 45m1 stop
SWISS Logo
6:35 pm - 3:55 pmLGW-ORD
27h 20m1 stop
$562SWISS
Find Deal
Sun, Mar 29 - Mon, Apr 6

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
Jan 29
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Mar 1
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$540
Find similar
Icelandair
Mar 7
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Mar 15
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD6:20 pmChicago O'Hare Intl
$541
Find similar
Icelandair
Nov 26
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Dec 3
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$543
Find similar

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
Nov 30
ORD8:25 pmChicago O'Hare Intl
13h 20m
1 stop
LGW3:45 pmLondon Gatwick
Dec 6
LGW4:35 pmLondon Gatwick
28h 10m
1 stop
ORD2:45 pmChicago O'Hare Intl
$537
Find similar
TAP AIR PORTUGAL
Nov 28
ORD8:15 pmChicago O'Hare Intl
13h 30m
1 stop
LGW3:45 pmLondon Gatwick
Dec 6
LGW4:35 pmLondon Gatwick
28h 10m
1 stop
ORD2:45 pmChicago O'Hare Intl
$539
Find similar
TAP AIR PORTUGAL
Apr 15
ORD6:00 pmChicago O'Hare Intl
14h 00m
1 stop
LGW2:00 pmLondon Gatwick
Apr 28
LGW4:25 pmLondon Gatwick
29h 35m
1 stop
ORD4:00 pmChicago O'Hare Intl
$553
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 October 30, 2025.
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

Sun 1/25

7:10 pm-4:20 pm

2 stops15h 10m

London Gatwick

Thu 1/29

8:10 pm-4:45 pm

2 stops26h 35m

$536

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 11/30

8:25 pm-3:45 pm

1 stop13h 20m

London Gatwick

Sat 12/6

4:35 pm-2:45 pm

1 stop28h 10m

$537

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 11/28

8:15 pm-3:45 pm

1 stop13h 30m

London Gatwick

Sat 12/6

4:35 pm-2:45 pm

1 stop28h 10m

$539

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 1/29

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Sun 3/1

11:55 am-5:20 pm

1 stop11h 25m

$540

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 3/7

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Sun 3/15

11:55 am-6:20 pm

1 stop11h 25m

$541

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 11/26

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Wed 12/3

11:55 am-5:20 pm

1 stop11h 25m

$543

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 11/26

3:35 pm-3:10 pm

2 stops17h 35m

London Gatwick

Wed 12/3

8:30 am-8:05 pm

2 stops17h 35m

$545

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 11/9

9:50 pm-8:10 pm

2 stops16h 20m

London Gatwick

Tue 11/18

9:40 pm-1:10 pm

2 stops21h 30m

$547

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 1/26

6:40 am-6:00 am

1 stop17h 20m

London Gatwick

Tue 2/3

1:10 pm-3:00 pm

2 stops31h 50m

$548

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 3/29

7:05 pm-5:50 pm

1 stop16h 45m

London Gatwick

Mon 4/6

6:35 pm-3:55 pm

1 stop27h 20m

$562

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, 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 $555. 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 $573.

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from Chicago O'Hare Intl Airport to London Gatwick Airport is on a Saturday when prices can be found for as low as $648. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Friday is $903.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from Chicago O'Hare Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $692 when looking at flights departing in the evening. In the morning is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $845 per ticket.

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

Direct flights

None
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 $499Free CancellationRating
7.1
562 reviews
Search Icelandair flights
British AirwaysPriceFrom $502Free CancellationRating
6.7
7,488 reviews
Search British Airways flights
IberiaPriceFrom $606Free CancellationRating
7.0
3,004 reviews
Search Iberia flights
DeltaPriceFrom $712Free CancellationRating
7.9
7,998 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
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Folkestone
Romford
Ilford
Cobham
Wembley
Stansted
Watford
Harrow

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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