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Cheap flights from Chicago O'Hare Intl Airport to London from $374

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 1/27. 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.
TAP AIR PORTUGAL Logo
8:15 pm - 9:50 am
ORD
-
LGW
31h 35m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 2:45 pm
LGW
-
ORD
28h 10m1 stop
$557TAP AIR PORTUGAL
Fri, Jan 23 - Sat, Jan 31
Multiple Airlines Logo
6:30 pm - 9:05 pm
ORD
-
LGW
20h 35m2 stops
Multiple Airlines Logo
8:50 am - 5:20 pm
LGW
-
ORD
14h 30m2 stops
$559Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
4:19 pm - 10:00 am
ORD
-
LGW
35h 41m2 stops
Multiple Airlines Logo
2:00 pm - 10:35 am
LGW
-
ORD
26h 35m1 stop
$560Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Multiple Airlines Logo
5:32 pm - 10:00 am
ORD
-
LGW
34h 28m2 stops
Multiple Airlines Logo
2:00 pm - 5:52 pm
LGW
-
ORD
33h 52m1 stop
$561Multiple Airlines
Wed, Jan 21 - Fri, Jan 30
Icelandair Logo
10:40 pm - 2:40 pm
ORD
-
LGW
10h 00m1 stop
Icelandair Logo
3:40 pm - 9:40 pm
LGW
-
ORD
12h 00m1 stop
$562Icelandair
Sun, May 10 - Wed, Jun 10
Multiple Airlines Logo
6:30 pm - 8:35 am
ORD
-
LGW
32h 05m3 stops
Multiple Airlines Logo
8:50 am - 5:20 pm
LGW
-
ORD
14h 30m2 stops
$563Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
6:30 pm - 8:35 am
ORD
-
LGW
32h 05m3 stops
Multiple Airlines Logo
8:50 am - 5:20 pm
LGW
-
ORD
14h 30m2 stops
$564Multiple Airlines
Wed, Jan 7 - Wed, Jan 14
Multiple Airlines Logo
9:23 am - 7:45 am
ORD
-
LGW
40h 22m2 stops
Multiple Airlines Logo
2:00 pm - 5:52 pm
LGW
-
ORD
33h 52m1 stop
$566Multiple Airlines
Tue, Jan 13 - Fri, Jan 30
Multiple Airlines Logo
6:40 am - 9:50 am
ORD
-
LGW
21h 10m2 stops
Multiple Airlines Logo
2:00 pm - 9:02 am
LGW
-
ORD
25h 02m1 stop
$567Multiple Airlines
Mon, Mar 2 - Thu, Mar 5
Icelandair Logo
6:30 pm - 10:55 am
ORD
-
LGW
10h 25m1 stop
Icelandair Logo
11:55 am - 5:20 pm
LGW
-
ORD
11h 25m1 stop
$568Icelandair
Tue, Jan 6 - Tue, Jan 13

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
Jan 23
ORD8:15 pmChicago O'Hare Intl
31h 35m
1 stop
LGW9:50 amLondon Gatwick
Jan 31
LGW4:35 pmLondon Gatwick
28h 10m
1 stop
ORD2:45 pmChicago O'Hare Intl
$557
Find similar
TAP AIR PORTUGAL
Jan 23
ORD8:15 pmChicago O'Hare Intl
13h 30m
1 stop
LGW3:45 pmLondon Gatwick
Jan 27
LGW9:20 pmLondon Gatwick
23h 40m
2 stops
ORD3:00 pmChicago O'Hare Intl
$582
Find similar
TAP AIR PORTUGAL
Feb 6
ORD8:15 pmChicago O'Hare Intl
13h 30m
1 stop
LGW3:45 pmLondon Gatwick
Feb 10
LGW9:20 pmLondon Gatwick
23h 40m
2 stops
ORD3:00 pmChicago O'Hare Intl
$585
Find similar

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
May 10
ORD10:40 pmChicago O'Hare Intl
10h 00m
1 stop
LGW2:40 pmLondon Gatwick
Jun 10
LGW3:40 pmLondon Gatwick
12h 00m
1 stop
ORD9:40 pmChicago O'Hare Intl
$562
Find similar
Icelandair
Jan 6
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Jan 13
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$568
Find similar
Icelandair
Jan 6
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Jan 15
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$569
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 December 8, 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

Fri 1/23

8:15 pm-9:50 am

1 stop31h 35m

London Gatwick

Sat 1/31

4:35 pm-2:45 pm

1 stop28h 10m

$557

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 2/18

6:30 pm-9:05 pm

2 stops20h 35m

London Gatwick

Wed 2/25

8:50 am-5:20 pm

2 stops14h 30m

$559

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 1/22

4:19 pm-10:00 am

2 stops35h 41m

London Gatwick

Thu 1/29

2:00 pm-10:35 am

1 stop26h 35m

$560

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 1/21

5:32 pm-10:00 am

2 stops34h 28m

London Gatwick

Fri 1/30

2:00 pm-5:52 pm

1 stop33h 52m

$561

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 5/10

10:40 pm-2:40 pm

1 stop10h 00m

London Gatwick

Wed 6/10

3:40 pm-9:40 pm

1 stop12h 00m

$562

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 1/21

6:30 pm-8:35 am

3 stops32h 05m

London Gatwick

Wed 1/28

8:50 am-5:20 pm

2 stops14h 30m

$563

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 1/7

6:30 pm-8:35 am

3 stops32h 05m

London Gatwick

Wed 1/14

8:50 am-5:20 pm

2 stops14h 30m

$564

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 1/13

9:23 am-7:45 am

2 stops40h 22m

London Gatwick

Fri 1/30

2:00 pm-5:52 pm

1 stop33h 52m

$566

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 3/2

6:40 am-9:50 am

2 stops21h 10m

London Gatwick

Thu 3/5

2:00 pm-9:02 am

1 stop25h 02m

$567

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 1/6

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Tue 1/13

11:55 am-5:20 pm

1 stop11h 25m

$568

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, March 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 $543. If you are unable to visit London Gatwick Airport during the month of March, 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.

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

Fastest flight time

10h 00m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to London Gatwick Airport takes 10h 00m
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 00m 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 $497Free CancellationRating
7.0
586 reviews
Search Icelandair flights
British AirwaysPriceFrom $502Free CancellationRating
6.7
7,566 reviews
Search British Airways flights
IberiaPriceFrom $606Free CancellationRating
7.0
3,042 reviews
Search Iberia flights
DeltaPriceFrom $712Free CancellationRating
7.9
8,011 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
Wembley
Romford
Watford
Ilford
Cobham
Folkestone
Uxbridge
Stansted
Chelmsford

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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