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Cheap flights from Chicago O'Hare Intl Airport to London from $359

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 3/15. 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.
Icelandair Logo
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
$560Icelandair
Find Deal
Mon, Jan 5 - Sun, Jan 18
Multiple Airlines Logo
7:30 pm - 9:05 pmORD-LGW
20h 35m2 stops
Multiple Airlines Logo
8:50 am - 6:20 pmLGW-ORD
14h 30m2 stops
$561Multiple Airlines
Find Deal
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
12:44 pm - 10:00 amORD-LGW
15h 16m1 stop
Multiple Airlines Logo
2:00 pm - 5:52 pmLGW-ORD
33h 52m1 stop
$562Multiple Airlines
Find Deal
Fri, Jan 16 - Fri, Jan 23
Icelandair Logo
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
$563Icelandair
Find Deal
Mon, Dec 15 - Wed, Jan 14
Icelandair Logo
7:25 pm - 2:40 pmORD-LGW
13h 15m1 stop
Icelandair Logo
3:40 pm - 6:15 pmLGW-ORD
32h 35m1 stop
$564Icelandair
Find Deal
Sat, Apr 25 - Mon, May 4
Multiple Airlines Logo
12:44 pm - 10:00 amORD-LGW
15h 16m1 stop
Multiple Airlines Logo
2:00 pm - 10:44 pmLGW-ORD
38h 44m2 stops
$565Multiple Airlines
Find Deal
Fri, Jan 16 - Fri, Jan 23
Icelandair Logo
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
$566Icelandair
Find Deal
Thu, Jan 15 - Fri, Jan 23
Icelandair Logo
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
$567Icelandair
Find Deal
Sun, Dec 14 - Wed, Jan 14
Icelandair Logo
7:25 pm - 2:40 pmORD-LGW
13h 15m1 stop
Icelandair Logo
3:40 pm - 6:15 pmLGW-ORD
32h 35m1 stop
$568Icelandair
Find Deal
Tue, Apr 28 - Mon, May 4
Icelandair Logo
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
$569Icelandair
Find Deal
Wed, Feb 11 - Wed, Feb 18

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 5
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Jan 18
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$560
Find similar
Icelandair
Dec 15
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Jan 14
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$563
Find similar
Icelandair
Apr 25
ORD7:25 pmChicago O'Hare Intl
13h 15m
1 stop
LGW2:40 pmLondon Gatwick
May 4
LGW3:40 pmLondon Gatwick
32h 35m
1 stop
ORD6:15 pmChicago O'Hare Intl
$564
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 28
ORD8:15 pmChicago O'Hare Intl
31h 35m
1 stop
LGW9:50 amLondon Gatwick
Dec 6
LGW4:35 pmLondon Gatwick
28h 10m
1 stop
ORD2:45 pmChicago O'Hare Intl
$569
Find similar
TAP AIR PORTUGAL
Nov 30
ORD8:25 pmChicago O'Hare Intl
18h 10m
2 stops
LGW8:35 pmLondon Gatwick
Dec 6
LGW4:35 pmLondon Gatwick
28h 10m
1 stop
ORD2:45 pmChicago O'Hare Intl
$578
Find similar
TAP AIR PORTUGAL
Dec 7
ORD8:25 pmChicago O'Hare Intl
13h 20m
1 stop
LGW3:45 pmLondon Gatwick
Dec 16
LGW9:20 pmLondon Gatwick
23h 40m
2 stops
ORD3:00 pmChicago O'Hare Intl
$585
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 November 24, 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

Mon 1/5

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Sun 1/18

11:55 am-5:20 pm

1 stop11h 25m

$560

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 3/17

7:30 pm-9:05 pm

2 stops20h 35m

London Gatwick

Tue 3/24

8:50 am-6:20 pm

2 stops14h 30m

$561

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 1/16

12:44 pm-10:00 am

1 stop15h 16m

London Gatwick

Fri 1/23

2:00 pm-5:52 pm

1 stop33h 52m

$562

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 12/15

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Wed 1/14

11:55 am-5:20 pm

1 stop11h 25m

$563

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 4/25

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Mon 5/4

3:40 pm-6:15 pm

1 stop32h 35m

$564

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 1/16

12:44 pm-10:00 am

1 stop15h 16m

London Gatwick

Fri 1/23

2:00 pm-10:44 pm

2 stops38h 44m

$565

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 1/15

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Fri 1/23

11:55 am-5:20 pm

1 stop11h 25m

$566

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 12/14

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Wed 1/14

11:55 am-5:20 pm

1 stop11h 25m

$567

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 4/28

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Mon 5/4

3:40 pm-6:15 pm

1 stop32h 35m

$568

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 2/11

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Wed 2/18

11:55 am-5:20 pm

1 stop11h 25m

$569

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, November 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 $553. If you are unable to visit London Gatwick Airport during the month of November, 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 $554.

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 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 $499Free CancellationRating
7.0
581 reviews
Search Icelandair flights
British AirwaysPriceFrom $502Free CancellationRating
6.7
7,535 reviews
Search British Airways flights
IberiaPriceFrom $606Free CancellationRating
7.0
3,033 reviews
Search Iberia flights
DeltaPriceFrom $712Free CancellationRating
7.9
7,994 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
Wembley
Folkestone
Romford
Ilford
Cobham
Stansted
Harrow
Watford

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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