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Cheap flights from Chicago O'Hare Intl Airport to London from $310

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 9/1. 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
11:15 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
16h 45m1 stop Orlando
Multiple Airlines Logo
10:10 am - 11:50 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
19h 40m1 stop Orlando
$665Multiple Airlines
Mon, Sep 28 - Wed, Nov 18
Multiple Airlines Logo
7:44 pm - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
32h 16m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
11:00 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
26h 21m1 stop Orlando
$666Multiple Airlines
Sat, Oct 17 - Thu, Oct 29
Multiple Airlines Logo
9:00 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
19h 00m1 stop Orlando
Multiple Airlines Logo
12:35 pm - 11:50 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
16h 15m1 stop Orlando
$666Multiple Airlines
Tue, Oct 20 - Fri, Oct 30
Multiple Airlines Logo
7:44 pm - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
32h 16m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
11:00 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
26h 21m1 stop Orlando
$667Multiple Airlines
Wed, Oct 21 - Thu, Oct 29
Multiple Airlines Logo
7:44 pm - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
32h 16m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
11:00 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
26h 21m1 stop Orlando
$668Multiple Airlines
Wed, Oct 21 - Thu, Oct 29
Multiple Airlines Logo
4:44 pm - 8:15 amORD  Chicago O'Hare Intl-LGW London Gatwick
33h 31m1 stop Orlando
Multiple Airlines Logo
10:10 am - 11:50 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
19h 40m1 stop Orlando
$668Multiple Airlines
Sat, Nov 7 - Tue, Nov 17
Multiple Airlines Logo
6:30 pm - 3:10 pmORD  Chicago O'Hare Intl-LGW London Gatwick
14h 40m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 am - 5:20 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
15h 40m1 stop Reykjavik Keflavik Intl
$669Multiple Airlines
Sun, Nov 1 - Mon, Nov 9
Multiple Airlines Logo
3:45 pm - 8:55 pmORD  Chicago O'Hare Intl-LGW London Gatwick
23h 10m1 stop Dublin
Multiple Airlines Logo
8:00 pm - 7:15 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
29h 15m2 stops Berlin Brandenburg Dublin
$670Multiple Airlines
Mon, Sep 21 - Tue, Sep 29
Icelandair Logo
6:30 pm - 10:55 amORD  Chicago O'Hare Intl-LGW London Gatwick
10h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:55 am - 5:20 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
11h 25m1 stop Reykjavik Keflavik Intl
$698Icelandair
Thu, Nov 12 - Sun, Nov 15
Icelandair Logo
6:30 pm - 10:55 amORD  Chicago O'Hare Intl-LGW London Gatwick
10h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:55 am - 5:20 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
11h 25m1 stop Reykjavik Keflavik Intl
$698Icelandair
Sun, Nov 8 - Fri, Nov 13

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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
Oct 23
ORD6:00 pmChicago O'Hare Intl
15h 40m
1 stop
LGW3:40 pmLondon Gatwick
Oct 27
LGW4:35 pmLondon Gatwick
28h 55m
1 stop
ORD4:30 pmChicago O'Hare Intl
$715
TAP AIR PORTUGAL
Oct 28
ORD8:00 pmChicago O'Hare Intl
14h 05m
1 stop
LGW3:05 pmLondon Gatwick
Nov 3
LGW4:35 pmLondon Gatwick
28h 55m
1 stop
ORD3:30 pmChicago O'Hare Intl
$719
TAP AIR PORTUGAL
Oct 28
ORD8:00 pmChicago O'Hare Intl
14h 05m
1 stop
LGW3:05 pmLondon Gatwick
Nov 3
LGW4:35 pmLondon Gatwick
28h 55m
1 stop
ORD3:30 pmChicago O'Hare Intl
$720

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
Nov 7
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Nov 16
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$698
Icelandair
Nov 7
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Nov 16
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$699
Icelandair
Nov 8
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Nov 18
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$706

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 August 17, 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 Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 9/28

11:15 am-10:00 am

1 stop16h 45m

London Gatwick

Wed 11/18

10:10 am-11:50 pm

1 stop19h 40m

$665

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sat 10/17

7:44 pm-10:00 am

2 stops32h 16m

London Gatwick

Thu 10/29

11:00 am-8:21 am

1 stop26h 21m

$666

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 10/20

9:00 am-10:00 am

1 stop19h 00m

London Gatwick

Fri 10/30

12:35 pm-11:50 pm

1 stop16h 15m

$666

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 10/21

7:44 pm-10:00 am

2 stops32h 16m

London Gatwick

Thu 10/29

11:00 am-8:21 am

1 stop26h 21m

$667

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 10/21

7:44 pm-10:00 am

2 stops32h 16m

London Gatwick

Thu 10/29

11:00 am-8:21 am

1 stop26h 21m

$668

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sat 11/7

4:44 pm-8:15 am

1 stop33h 31m

London Gatwick

Tue 11/17

10:10 am-11:50 pm

1 stop19h 40m

$668

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sun 11/1

6:30 pm-3:10 pm

1 stop14h 40m

London Gatwick

Mon 11/9

7:40 am-5:20 pm

1 stop15h 40m

$669

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 9/21

3:45 pm-8:55 pm

1 stop23h 10m

London Gatwick

Tue 9/29

8:00 pm-7:15 pm

2 stops29h 15m

$670
Quickest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Thu 11/12

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Sun 11/15

11:55 am-5:20 pm

1 stop11h 25m

$698

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sun 11/8

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Fri 11/13

11:55 am-5:20 pm

1 stop11h 25m

$698

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, September 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 $0. If you are unable to visit London Gatwick Airport during the month of September, then departing from Chicago O'Hare Intl Airport during the month June is also very affordable. Most momondo users find prices during this month for around $62.

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

You could potentially save up to 29% 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

Best Price Found

$310

Fastest flight time

9h 30m

Direct flights

None
The best one-way flight to London Gatwick Airport from Chicago O'Hare Intl Airport in the past 72 hours is $310. The best round-trip flight deal from Chicago O'Hare Intl Airport to London Gatwick Airport found on momondo in the last 72 hours is $665.
The fastest flight from Chicago O'Hare Intl Airport to London Gatwick Airport takes 9h 30m
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. 9h 30m 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
6.9
732 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
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Worthing
Romford
Ilford
Bedford

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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