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Cheap flights from Chicago to London from $230

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 to London departing on 9/22. 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 to London

Cheap round-trip flights

Logo
6:40 am - 6:00 amORD-LGW
17h 20m1 stop
Logo
1:00 pm - 12:45 pmLGW-ORD
29h 45m1 stop
$505
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Tue, Nov 11 - Tue, Nov 18
SWISS Logo
7:05 pm - 5:55 pmORD-LGW
16h 50m1 stop
SWISS Logo
6:40 pm - 5:20 pmLGW-ORD
27h 40m1 stop
$508SWISS
Find Deal
Wed, Oct 22 - Mon, Oct 27
Logo
11:13 am - 6:20 amORD-LGW
13h 07m1 stop
Logo
6:05 am - 3:00 pmLGW-ORD
38h 55m2 stops
$509
Find Deal
Tue, Sep 30 - Sat, Nov 15
SWISS Logo
7:05 pm - 5:50 pmORD-LGW
16h 45m1 stop
SWISS Logo
6:35 pm - 3:55 pmLGW-ORD
27h 20m1 stop
$510SWISS
Find Deal
Tue, Oct 14 - Tue, Oct 21
Icelandair Logo
7:25 pm - 2:35 pmORD-LGW
13h 10m1 stop
Icelandair Logo
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
$512Icelandair
Find Deal
Sat, Oct 4 - Sun, Nov 16
TAP AIR PORTUGAL Logo
8:25 pm - 8:35 pmORD-LGW
18h 10m2 stops
TAP AIR PORTUGAL Logo
4:35 pm - 3:00 pmLGW-ORD
28h 25m1 stop
$517TAP AIR PORTUGAL
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Sun, Nov 2 - Sat, Nov 8
Icelandair Logo
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
Icelandair Logo
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
$518Icelandair
Find Deal
Tue, Dec 2 - Thu, Dec 11
TAP AIR PORTUGAL Logo
7:10 pm - 3:05 pmORD-LGW
13h 55m1 stop
TAP AIR PORTUGAL Logo
9:20 pm - 4:00 pmLGW-ORD
23h 40m2 stops
$521TAP AIR PORTUGAL
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Wed, Mar 4 - Tue, Mar 10
British Airways Logo
1:59 pm - 8:10 amORD-LGW
12h 11m1 stop
British Airways Logo
10:40 am - 8:00 pmLGW-ORD
15h 20m1 stop
$538British Airways
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Thu, Oct 2 - Thu, Oct 9
British Airways Logo
5:36 pm - 10:40 amORD-LGW
35h 04m1 stop
British Airways Logo
2:30 pm - 8:05 pmLGW-ORD
35h 35m1 stop
$558British Airways
Find Deal
Thu, Sep 25 - Wed, Oct 1

Icelandair flights from Chicago to London Gatwick Airport

Our best Icelandair deals on Chicago to London Gatwick Airport flight tickets
Icelandair
Oct 4
ORD7:25 pmChicago O'Hare Intl
13h 10m
1 stop
LGW2:35 pmLondon Gatwick
Nov 16
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$512
Find similar
Icelandair
Dec 2
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Dec 11
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$518
Find similar
Icelandair
Oct 1
ORD7:25 pmChicago O'Hare Intl
13h 15m
1 stop
LGW2:40 pmLondon Gatwick
Nov 19
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$519
Find similar

British Airways flights from Chicago to London Gatwick Airport

Our best British Airways deals on Chicago to London Gatwick Airport flight tickets
British Airways
Oct 2
ORD1:59 pmChicago O'Hare Intl
12h 11m
1 stop
LGW8:10 amLondon Gatwick
Oct 9
LGW10:40 amLondon Gatwick
15h 20m
1 stop
ORD8:00 pmChicago O'Hare Intl
$538
Find similar
British Airways
Sep 25
ORD5:36 pmChicago O'Hare Intl
35h 04m
1 stop
LGW10:40 amLondon Gatwick
Oct 1
LGW2:30 pmLondon Gatwick
35h 35m
1 stop
ORD8:05 pmChicago O'Hare Intl
$558
Find similar
British Airways
Sep 24
ORD1:59 pmChicago O'Hare Intl
12h 11m
1 stop
LGW8:10 amLondon Gatwick
Sep 30
LGW10:40 amLondon Gatwick
15h 01m
1 stop
ORD7:41 pmChicago O'Hare Intl
$596
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 September 11, 2025.
Use the filters below to find and compare flights from Chicago 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

Tue 11/11

6:40 am-6:00 am

1 stop17h 20m

London Gatwick

Tue 11/18

1:00 pm-12:45 pm

1 stop29h 45m

$505

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 10/22

7:05 pm-5:55 pm

1 stop16h 50m

London Gatwick

Mon 10/27

6:40 pm-5:20 pm

1 stop27h 40m

$508

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 9/30

11:13 am-6:20 am

1 stop13h 07m

London Gatwick

Sat 11/15

6:05 am-3:00 pm

2 stops38h 55m

$509

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 10/14

7:05 pm-5:50 pm

1 stop16h 45m

London Gatwick

Tue 10/21

6:35 pm-3:55 pm

1 stop27h 20m

$510

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 10/4

7:25 pm-2:35 pm

1 stop13h 10m

London Gatwick

Sun 11/16

11:55 am-5:20 pm

1 stop11h 25m

$512

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 11/2

8:25 pm-8:35 pm

2 stops18h 10m

London Gatwick

Sat 11/8

4:35 pm-3:00 pm

1 stop28h 25m

$517

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 12/2

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Thu 12/11

11:55 am-5:20 pm

1 stop11h 25m

$518

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 3/4

7:10 pm-3:05 pm

1 stop13h 55m

London Gatwick

Tue 3/10

9:20 pm-4:00 pm

2 stops23h 40m

$521

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 10/2

1:59 pm-8:10 am

1 stop12h 11m

London Gatwick

Thu 10/9

10:40 am-8:00 pm

1 stop15h 20m

$538

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 9/25

5:36 pm-10:40 am

1 stop35h 04m

London Gatwick

Wed 10/1

2:30 pm-8:05 pm

1 stop35h 35m

$558

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 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, February is the cheapest month to fly from Chicago to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $589. If you are unable to visit London Gatwick Airport during the month of February, then departing from Chicago during the month November is also very affordable. Most momondo users find prices during this month for around $651.

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from Chicago 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 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 to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago 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 to London Gatwick Airport (CHI to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to London Gatwick Airport

Direct flights

None
There are no direct flights from Chicago to London Gatwick Airport. There are no popular flight routes from Chicago to London Gatwick Airport.
Search flight deals

  • How far is Chicago to London Gatwick by plane?

    London Gatwick is 3954.2 mi away from Chicago. In terms of flight time, this usually takes a little over 10h 25m.

  • When did momondo last update prices for flights from Chicago to London Gatwick Airport?

    Prices for flights from Chicago to London Gatwick Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to London Gatwick Airport?

  • How old do you have to be to fly from Chicago to London Gatwick Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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 to London Gatwick Airport?

Best airlines flying from Chicago to London Gatwick Airport

Compare and see reviews for airlines that fly from Chicago to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $495Free CancellationRating
7.0
546 reviews
Search Icelandair flights
British AirwaysPriceFrom $502Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
IberiaPriceFrom $606Free CancellationRating
7.0
2,929 reviews
Search Iberia flights
DeltaPriceFrom $712Free CancellationRating
7.9
7,960 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
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Brentwood
Ilford
Folkestone
Colchester
Watford
Richmond
Canterbury
Wembley

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?

momondo does allow users to show only those flights to London from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to London?

Once all potential Chicago to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Chicago and alert you when they change.

An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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