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Cheap flights from Chicago O'Hare Intl Airport to London from $394

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 5/17. 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
0 bags

Discover deals from 900+ travel sites with momondo.

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.
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m
1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m
1 stop
$697Icelandair
Tue, Sep 29 - Sun, Oct 4
Multiple Airlines Logo
4:30 pm - 6:20 am
ORD
-
LGW
31h 50m
1 stop
Multiple Airlines Logo
1:05 pm - 8:01 am
LGW
-
ORD
24h 56m
1 stop
$699Multiple Airlines
Wed, Sep 30 - Tue, Oct 6
Multiple Airlines Logo
7:25 pm - 10:50 pm
ORD
-
LGW
21h 25m
2 stops
Multiple Airlines Logo
9:35 pm - 7:40 pm
LGW
-
ORD
28h 05m
3 stops
$701Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
10:25 pm - 8:40 am
ORD
-
LGW
28h 15m
3 stops
Multiple Airlines Logo
8:50 pm - 7:40 pm
LGW
-
ORD
28h 50m
3 stops
$702Multiple Airlines
Sun, May 3 - Wed, May 27
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m
1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m
1 stop
$705Icelandair
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
10:49 am - 10:00 am
ORD
-
LGW
17h 11m
1 stop
Multiple Airlines Logo
2:00 pm - 11:13 pm
LGW
-
ORD
15h 13m
1 stop
$707Multiple Airlines
Wed, May 13 - Fri, May 29
Multiple Airlines Logo
10:49 am - 10:00 am
ORD
-
LGW
17h 11m
1 stop
Multiple Airlines Logo
2:00 pm - 11:13 pm
LGW
-
ORD
15h 13m
1 stop
$708Multiple Airlines
Wed, May 13 - Thu, May 28
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m
1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m
1 stop
$711Icelandair
Tue, Sep 29 - Fri, Oct 2
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m
1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m
1 stop
$712Icelandair
Sat, Oct 3 - Wed, Oct 7
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m
1 stop
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m
1 stop
$714Icelandair
Tue, Sep 29 - Wed, Oct 7

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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
Sep 29
ORD7:25 pmChicago O'Hare Intl
13h 15m
1 stop
LGW2:40 pmLondon Gatwick
Oct 4
LGW3:40 pmLondon Gatwick
11h 45m
1 stop
ORD9:25 pmChicago O'Hare Intl
$697
Icelandair
Sep 30
ORD7:25 pmChicago O'Hare Intl
13h 15m
1 stop
LGW2:40 pmLondon Gatwick
Oct 7
LGW3:40 pmLondon Gatwick
11h 45m
1 stop
ORD9:25 pmChicago O'Hare Intl
$705
Icelandair
Apr 23
ORD7:25 pmChicago O'Hare Intl
13h 15m
1 stop
LGW2:40 pmLondon Gatwick
Apr 26
LGW3:40 pmLondon Gatwick
11h 45m
1 stop
ORD9:25 pmChicago O'Hare Intl
$710

Turkish Airlines flights from Chicago O'Hare Intl Airport to London Gatwick Airport

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to London Gatwick Airport flight tickets
Turkish Airlines
Oct 1
ORD8:10 pmChicago O'Hare Intl
38h 35m
1 stop
LGW4:45 pmLondon Gatwick
Oct 12
LGW7:05 amLondon Gatwick
17h 10m
1 stop
ORD6:15 pmChicago O'Hare Intl
$722
Turkish Airlines
Aug 12
ORD11:25 amChicago O'Hare Intl
23h 15m
1 stop
LGW4:40 pmLondon Gatwick
Sep 15
LGW2:05 pmLondon Gatwick
25h 35m
1 stop
ORD9:40 amChicago O'Hare Intl
$731
Turkish Airlines
Sep 6
ORD8:10 pmChicago O'Hare Intl
20h 15m
1 stop
LGW10:25 pmLondon Gatwick
Sep 17
LGW2:05 pmLondon Gatwick
25h 35m
1 stop
ORD9:40 amChicago O'Hare Intl
$735

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 April 22, 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
Quickest round-trip

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 9/29

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Sun 10/4

3:40 pm-9:25 pm

1 stop11h 45m

$697

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 9/30

4:30 pm-6:20 am

1 stop31h 50m

London Gatwick

Tue 10/6

1:05 pm-8:01 am

1 stop24h 56m

$699

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 5/12

7:25 pm-10:50 pm

2 stops21h 25m

London Gatwick

Tue 5/19

9:35 pm-7:40 pm

3 stops28h 05m

$701

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 5/3

10:25 pm-8:40 am

3 stops28h 15m

London Gatwick

Wed 5/27

8:50 pm-7:40 pm

3 stops28h 50m

$702

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 9/30

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Wed 10/7

3:40 pm-9:25 pm

1 stop11h 45m

$705

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 5/13

10:49 am-10:00 am

1 stop17h 11m

London Gatwick

Fri 5/29

2:00 pm-11:13 pm

1 stop15h 13m

$707

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 5/13

10:49 am-10:00 am

1 stop17h 11m

London Gatwick

Thu 5/28

2:00 pm-11:13 pm

1 stop15h 13m

$708

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 9/29

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Fri 10/2

3:40 pm-9:25 pm

1 stop11h 45m

$711

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 10/3

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Wed 10/7

3:40 pm-9:25 pm

1 stop11h 45m

$712

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 9/29

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Wed 10/7

3:40 pm-9:25 pm

1 stop11h 45m

$714

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and London Gatwick Airport?

What is the cheapest month to fly to London Gatwick Airport?

In general, June 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 $371. If you are unable to visit London Gatwick Airport during the month of June, then departing from Chicago O'Hare Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $478.

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

You could potentially save up to 14% 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 15m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to London Gatwick Airport takes 10h 15m
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 15m 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 $465Free CancellationRating
7.0
639 reviews
Search Icelandair flights
DeltaPriceFrom $712Free CancellationRating
7.9
8,433 reviews
Search Delta flights

Traveling to a place near London?

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

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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