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Cheap flights from Chicago to London from $376

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 1/18. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:44 pm - 10:00 am
ORD
-
LGW
15h 16m1 stop
Multiple Airlines Logo
1:00 pm - 8:18 am
LGW
-
ORD
25h 18m2 stops
$546Multiple Airlines
lun., févr. 2 - mar., févr. 10
Multiple Airlines Logo
6:30 pm - 6:30 pm
ORD
-
LGW
18h 00m2 stops
Multiple Airlines Logo
8:50 am - 5:20 pm
LGW
-
ORD
14h 30m2 stops
$547Multiple Airlines
jeu., janv. 8 - mar., janv. 20
Multiple Airlines Logo
12:44 pm - 10:05 am
ORD
-
LGW
15h 21m1 stop
Multiple Airlines Logo
2:00 pm - 7:41 pm
LGW
-
ORD
35h 41m1 stop
$548Multiple Airlines
sam., janv. 17 - jeu., janv. 22
Multiple Airlines Logo
12:44 pm - 10:00 am
ORD
-
LGW
15h 16m1 stop
Multiple Airlines Logo
2:00 pm - 7:54 am
LGW
-
ORD
23h 54m2 stops
$549Multiple Airlines
lun., févr. 16 - jeu., févr. 26
Multiple Airlines Logo
5:32 pm - 10:00 am
ORD
-
LGW
34h 28m2 stops
Multiple Airlines Logo
2:00 pm - 5:52 pm
LGW
-
ORD
33h 52m1 stop
$550Multiple Airlines
mer., janv. 21 - ven., janv. 30
TAP AIR PORTUGAL Logo
8:15 pm - 3:45 pm
ORD
-
LGW
13h 30m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 3:00 pm
LGW
-
ORD
28h 25m1 stop
$551TAP AIR PORTUGAL
ven., janv. 30 - mar., févr. 17
Multiple Airlines Logo
6:30 pm - 9:10 pm
ORD
-
LGW
20h 40m2 stops
Multiple Airlines Logo
8:50 am - 5:20 pm
LGW
-
ORD
14h 30m2 stops
$552Multiple Airlines
sam., janv. 17 - mer., janv. 21
Multiple Airlines Logo
7:20 am - 10:05 am
ORD
-
LGW
20h 45m2 stops
Multiple Airlines Logo
2:00 pm - 10:35 am
LGW
-
ORD
26h 35m1 stop
$553Multiple Airlines
sam., janv. 17 - jeu., janv. 22
Icelandair Logo
6:30 pm - 10:55 am
ORD
-
LGW
10h 25m1 stop
Icelandair Logo
11:55 am - 5:20 pm
LGW
-
ORD
11h 25m1 stop
$557Icelandair
mer., févr. 11 - mar., févr. 17
Multiple Airlines Logo
12:44 pm - 10:05 am
ORD
-
LGW
15h 21m1 stop
Multiple Airlines Logo
2:00 pm - 10:47 am
LGW
-
ORD
26h 47m2 stops
$560Multiple Airlines
sam., janv. 17 - sam., janv. 24

TAP AIR PORTUGAL flights from Chicago to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Chicago to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
Jan 30
ORD8:15 pmChicago O'Hare Intl
13h 30m
1 stop
LGW3:45 pmLondon Gatwick
Feb 7
LGW4:35 pmLondon Gatwick
28h 10m
1 stop
ORD2:45 pmChicago O'Hare Intl
$551
Find similar
TAP AIR PORTUGAL
Jan 25
ORD8:25 pmChicago O'Hare Intl
18h 10m
2 stops
LGW8:35 pmLondon Gatwick
Feb 3
LGW4:35 pmLondon Gatwick
28h 25m
1 stop
ORD3:00 pmChicago O'Hare Intl
$563
Find similar
TAP AIR PORTUGAL
Jan 30
ORD8:15 pmChicago O'Hare Intl
13h 30m
1 stop
LGW3:45 pmLondon Gatwick
Feb 10
LGW9:20 pmLondon Gatwick
23h 40m
2 stops
ORD3:00 pmChicago O'Hare Intl
$565
Find similar

Icelandair flights from Chicago to London Gatwick Airport

Our best Icelandair deals on Chicago to London Gatwick Airport flight tickets
Icelandair
Feb 11
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Feb 17
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$557
Find similar
Icelandair
Jan 4
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Jan 16
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$571
Find similar
Icelandair
Feb 12
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Feb 17
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$572
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 décembre 18, 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

lun. 2/2

12:44 pm-10:00 am

1 stop15h 16m

London Gatwick

mar. 2/10

1:00 pm-8:18 am

2 stops25h 18m

$546

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

jeu. 1/8

6:30 pm-6:30 pm

2 stops18h 00m

London Gatwick

mar. 1/20

8:50 am-5:20 pm

2 stops14h 30m

$547

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

sam. 1/17

12:44 pm-10:05 am

1 stop15h 21m

London Gatwick

jeu. 1/22

2:00 pm-7:41 pm

1 stop35h 41m

$548

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

lun. 2/16

12:44 pm-10:00 am

1 stop15h 16m

London Gatwick

jeu. 2/26

2:00 pm-7:54 am

2 stops23h 54m

$549

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

mer. 1/21

5:32 pm-10:00 am

2 stops34h 28m

London Gatwick

ven. 1/30

2:00 pm-5:52 pm

1 stop33h 52m

$550

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

ven. 1/30

8:15 pm-3:45 pm

1 stop13h 30m

London Gatwick

mar. 2/17

4:35 pm-3:00 pm

1 stop28h 25m

$551

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

sam. 1/17

6:30 pm-9:10 pm

2 stops20h 40m

London Gatwick

mer. 1/21

8:50 am-5:20 pm

2 stops14h 30m

$552

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

sam. 1/17

7:20 am-10:05 am

2 stops20h 45m

London Gatwick

jeu. 1/22

2:00 pm-10:35 am

1 stop26h 35m

$553

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

mer. 2/11

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

mar. 2/17

11:55 am-5:20 pm

1 stop11h 25m

$557

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

sam. 1/17

12:44 pm-10:05 am

1 stop15h 21m

London Gatwick

sam. 1/24

2:00 pm-10:47 am

2 stops26h 47m

$560

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, November 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 $521. If you are unable to visit London Gatwick Airport during the month of November, then departing from Chicago during the month February is also very affordable. Most momondo users find prices during this month for around $589.

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

Fastest flight time

10h 00m

Direct flights

None
The fastest flight from Chicago to London Gatwick Airport takes 10h 00m
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 00m.

  • 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 $497Free CancellationRating
7.0
591 reviews
Search Icelandair flights
British AirwaysPriceFrom $502Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
IberiaPriceFrom $606Free CancellationRating
7.0
3,052 reviews
Search Iberia flights
DeltaPriceFrom $712Free CancellationRating
7.9
8,005 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
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

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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