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Cheap flights from Chicago O'Hare Intl Airport to London from $305

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 9/11. 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
6:05 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
21h 55m1 stop Orlando
Multiple Airlines Logo
10:10 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
27h 11m1 stop Orlando
$673Multiple Airlines
Tue, Oct 20 - Wed, Oct 28
Multiple Airlines Logo
9:20 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
18h 40m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
10:10 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
27h 11m1 stop Orlando
$681Multiple Airlines
Thu, Oct 22 - Wed, Oct 28
Multiple Airlines Logo
9:20 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
18h 40m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
10:10 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
27h 11m1 stop Orlando
$682Multiple Airlines
Tue, Oct 20 - Wed, Oct 28
Icelandair Logo
7:25 pm - 2:40 pmORD  Chicago O'Hare Intl-LGW London Gatwick
13h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:55 am - 6:20 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
11h 25m1 stop Reykjavik Keflavik Intl
$685Icelandair
Thu, Oct 22 - Thu, Oct 29
Multiple Airlines Logo
9:20 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
18h 40m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
10:10 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
27h 11m1 stop Orlando
$685Multiple Airlines
Mon, Oct 19 - Wed, Oct 28
Multiple Airlines Logo
9:20 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
18h 40m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
10:10 am - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
27h 11m1 stop Orlando
$686Multiple Airlines
Tue, Oct 20 - Wed, Oct 28
Multiple Airlines Logo
7:25 pm - 9:25 pmORD  Chicago O'Hare Intl-LGW London Gatwick
20h 00m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
8:50 am - 9:25 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
18h 35m2 stops Dublin Reykjavik Keflavik Intl
$686Multiple Airlines
Thu, Oct 1 - Wed, Oct 7
Multiple Airlines Logo
6:05 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
21h 55m1 stop Orlando
Multiple Airlines Logo
11:00 am - 11:50 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
17h 50m1 stop Orlando
$688Multiple Airlines
Mon, Oct 19 - Thu, Oct 29
Multiple Airlines Logo
11:15 am - 10:00 amORD  Chicago O'Hare Intl-LGW London Gatwick
16h 45m1 stop Orlando
Multiple Airlines Logo
12:35 pm - 8:21 amLGW  London Gatwick-ORD Chicago O'Hare Intl
25h 46m1 stop Orlando
$690Multiple Airlines
Mon, Sep 28 - Sun, Nov 15
Icelandair Logo
7:25 pm - 2:40 pmORD  Chicago O'Hare Intl-LGW London Gatwick
13h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:55 am - 6:20 pmLGW  London Gatwick-ORD Chicago O'Hare Intl
11h 25m1 stop Reykjavik Keflavik Intl
$693Icelandair
Thu, Oct 22 - Thu, Oct 29

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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
Oct 22
ORD7:25 pmChicago O'Hare Intl
13h 15m
1 stop
LGW2:40 pmLondon Gatwick
Oct 29
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD6:20 pmChicago O'Hare Intl
$685
Icelandair
Oct 21
ORD7:25 pmChicago O'Hare Intl
13h 15m
1 stop
LGW2:40 pmLondon Gatwick
Oct 28
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD6:20 pmChicago O'Hare Intl
$693
Icelandair
Sep 21
ORD7:25 pmChicago O'Hare Intl
13h 15m
1 stop
LGW2:40 pmLondon Gatwick
Sep 30
LGW3:40 pmLondon Gatwick
32h 35m
1 stop
ORD6:15 pmChicago O'Hare Intl
$694

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

Our best JetBlue deals on Chicago O'Hare Intl Airport to London Gatwick Airport flight tickets
JetBlue
Aug 18
ORD11:01 amChicago O'Hare Intl
16h 34m
1 stop
LGW9:35 amLondon Gatwick
Aug 20
LGW12:20 pmLondon Gatwick
13h 07m
1 stop
ORD7:27 pmChicago O'Hare Intl
$847
JetBlue
Aug 18
ORD11:01 amChicago O'Hare Intl
16h 34m
1 stop
LGW9:35 amLondon Gatwick
Aug 25
LGW12:20 pmLondon Gatwick
13h 07m
1 stop
ORD7:27 pmChicago O'Hare Intl
$848
JetBlue
Aug 16
ORD10:56 amChicago O'Hare Intl
16h 39m
1 stop
LGW9:35 amLondon Gatwick
Aug 27
LGW12:20 pmLondon Gatwick
13h 07m
1 stop
ORD7:27 pmChicago O'Hare Intl
$855

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 7, 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

Tue 10/20

6:05 am-10:00 am

1 stop21h 55m

London Gatwick

Wed 10/28

10:10 am-8:21 am

1 stop27h 11m

$673

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Thu 10/22

9:20 am-10:00 am

2 stops18h 40m

London Gatwick

Wed 10/28

10:10 am-8:21 am

1 stop27h 11m

$681

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 10/20

9:20 am-10:00 am

2 stops18h 40m

London Gatwick

Wed 10/28

10:10 am-8:21 am

1 stop27h 11m

$682
Quickest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Thu 10/22

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Thu 10/29

11:55 am-6:20 pm

1 stop11h 25m

$685

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 10/19

9:20 am-10:00 am

2 stops18h 40m

London Gatwick

Wed 10/28

10:10 am-8:21 am

1 stop27h 11m

$685

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 10/20

9:20 am-10:00 am

2 stops18h 40m

London Gatwick

Wed 10/28

10:10 am-8:21 am

1 stop27h 11m

$686

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Thu 10/1

7:25 pm-9:25 pm

2 stops20h 00m

London Gatwick

Wed 10/7

8:50 am-9:25 pm

2 stops18h 35m

$686

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 10/19

6:05 am-10:00 am

1 stop21h 55m

London Gatwick

Thu 10/29

11:00 am-11:50 pm

1 stop17h 50m

$688

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

Sun 11/15

12:35 pm-8:21 am

1 stop25h 46m

$690

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Thu 10/22

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Thu 10/29

11:55 am-6:20 pm

1 stop11h 25m

$693

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 $478. 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 $492.

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

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

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. 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 $430Free CancellationRating
7.0
721 reviews
Search Icelandair flights

Traveling to a place near London?

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Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Wembley
Dover
Croydon
Stansted
Kingston upon Thames
Slough
Harrow
Watford
Cobham
Richmond
Uxbridge
Worthing
Romford
Ilford
Dunstable

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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