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Cheap flights from London Gatwick Airport to Chicago from £345

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Chicago departing on 18/3. 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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Find the cheapest flights from London Gatwick Airport to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:00 - 09:06
LGW
-
ORD
25h 06m
1 stop
Multiple Airlines Logo
18:51 - 06:00
ORD
-
LGW
29h 09m
1 stop
£388Multiple Airlines
Thu, 5 Mar - Sat, 7 Mar
Multiple Airlines Logo
13:00 - 09:22
LGW
-
ORD
26h 22m
1 stop
Multiple Airlines Logo
18:51 - 06:00
ORD
-
LGW
29h 09m
1 stop
£389Multiple Airlines
Fri, 27 Feb - Sat, 7 Mar
Icelandair Logo
13:00 - 18:15
LGW
-
ORD
11h 15m
1 stop
Icelandair Logo
19:25 - 11:45
ORD
-
LGW
10h 20m
1 stop
£391Icelandair
Sun, 3 May - Sat, 9 May
Icelandair Logo
11:55 - 17:20
LGW
-
ORD
11h 25m
1 stop
Icelandair Logo
18:30 - 10:55
ORD
-
LGW
10h 25m
1 stop
£391Icelandair
Mon, 23 Feb - Fri, 27 Feb
Icelandair Logo
11:55 - 17:20
LGW
-
ORD
11h 25m
1 stop
Icelandair Logo
18:30 - 10:55
ORD
-
LGW
10h 25m
1 stop
£392Icelandair
Sun, 22 Feb - Sun, 1 Mar
Icelandair Logo
13:00 - 18:15
LGW
-
ORD
11h 15m
1 stop
Icelandair Logo
22:25 - 14:40
ORD
-
LGW
10h 15m
1 stop
£393Icelandair
Tue, 5 May - Fri, 8 May
TAP AIR PORTUGAL Logo
16:35 - 16:00
LGW
-
ORD
28h 25m
1 stop
TAP AIR PORTUGAL Logo
18:00 - 14:00
ORD
-
LGW
14h 00m
1 stop
£394TAP AIR PORTUGAL
Tue, 17 Mar - Wed, 8 Apr
Icelandair Logo
13:00 - 18:15
LGW
-
ORD
11h 15m
1 stop
Icelandair Logo
19:25 - 11:45
ORD
-
LGW
10h 20m
1 stop
£394Icelandair
Thu, 7 May - Mon, 11 May
Multiple Airlines Logo
14:00 - 19:47
LGW
-
ORD
35h 47m
1 stop
Multiple Airlines Logo
09:30 - 10:00
ORD
-
LGW
19h 30m
1 stop
£396Multiple Airlines
Mon, 2 Mar - Mon, 16 Mar
Air France Logo
10:25 - 22:28
LGW
-
MDW
18h 03m
2 stops
Air France Logo
12:53 - 09:25
MDW
-
LGW
14h 32m
2 stops
£667Air France
Mon, 13 Apr - Thu, 23 Apr

Icelandair flights from London Gatwick Airport to Chicago

Our best Icelandair deals on London Gatwick Airport to Chicago flight tickets
Icelandair
3 May
LGW13:00London Gatwick
11h 15m
1 stop
ORD18:15Chicago O'Hare Intl
9 May
ORD19:25Chicago O'Hare Intl
10h 20m
1 stop
LGW11:45London Gatwick
£391
Icelandair
23 Feb
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
27 Feb
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
£391
Icelandair
22 Feb
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
1 Mar
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
£392

TAP AIR PORTUGAL flights from London Gatwick Airport to Chicago

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to Chicago flight tickets
TAP AIR PORTUGAL
17 Mar
LGW16:35London Gatwick
28h 25m
1 stop
ORD16:00Chicago O'Hare Intl
8 Apr
ORD18:00Chicago O'Hare Intl
14h 00m
1 stop
LGW14:00London Gatwick
£394
TAP AIR PORTUGAL
7 Feb
LGW16:35London Gatwick
28h 10m
1 stop
ORD14:45Chicago O'Hare Intl
18 Feb
ORD19:10Chicago O'Hare Intl
13h 55m
1 stop
LGW15:05London Gatwick
£394
TAP AIR PORTUGAL
10 Feb
LGW16:35London Gatwick
28h 25m
1 stop
ORD15:00Chicago O'Hare Intl
18 Feb
ORD19:10Chicago O'Hare Intl
13h 55m
1 stop
LGW15:05London Gatwick
£397

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport to Chicago 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 279,928 searches. Data last updated 2 February 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 5/3

14:00-09:06

1 stop25h 06m

Chicago O'Hare Intl

Sat 7/3

18:51-06:00

1 stop29h 09m

£388

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 27/2

13:00-09:22

1 stop26h 22m

Chicago O'Hare Intl

Sat 7/3

18:51-06:00

1 stop29h 09m

£389

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 3/5

13:00-18:15

1 stop11h 15m

Chicago O'Hare Intl

Sat 9/5

19:25-11:45

1 stop10h 20m

£391

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 23/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Fri 27/2

18:30-10:55

1 stop10h 25m

£391

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 22/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Sun 1/3

18:30-10:55

1 stop10h 25m

£392

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 5/5

13:00-18:15

1 stop11h 15m

Chicago O'Hare Intl

Fri 8/5

22:25-14:40

1 stop10h 15m

£393

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 17/3

16:35-16:00

1 stop28h 25m

Chicago O'Hare Intl

Wed 8/4

18:00-14:00

1 stop14h 00m

£394

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 7/5

13:00-18:15

1 stop11h 15m

Chicago O'Hare Intl

Mon 11/5

19:25-11:45

1 stop10h 20m

£394

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 2/3

14:00-19:47

1 stop35h 47m

Chicago O'Hare Intl

Mon 16/3

09:30-10:00

1 stop19h 30m

£396

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Mon 13/4

10:25-22:28

2 stops18h 03m

Chicago Midway

Thu 23/4

12:53-09:25

2 stops14h 32m

£667

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from London Gatwick Airport to Chicago

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 London Gatwick Airport and Chicago?

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from London Gatwick Airport is in November. Flight prices, which tend to average around £324, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Chicago from London Gatwick Airport during January instead. Flights to Chicago in January, while not as cheap as those in November, still average around £386.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as £608. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Saturday, with ticket prices averaging around £647.

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from London Gatwick Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as £622 when looking at flights departing at midday. Flights in the afternoon are often more expensive, with an average ticket price of £657.

When to book flights from London Gatwick Airport to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Gatwick Airport to Chicago (LGW to CHI) flight deals and tips

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

Fastest flight time

11h 25m

Direct flights

None
The fastest flight from London Gatwick Airport to Chicago takes 11h 25m
There are no direct flights from London Gatwick Airport to Chicago. There are no popular flight routes from London Gatwick Airport to Chicago.
Search flight deals

  • How far is London Gatwick to Chicago by plane?

    London Gatwick and Chicago are 3954.2 mi apart from one another. A reasonable flight in good conditions will take 11h 25m.

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

    Prices for flights from London Gatwick Airport to Chicago are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London Gatwick Airport to Chicago?

Best airlines flying from London Gatwick Airport to Chicago

Compare and see reviews for airlines that fly from London Gatwick Airport to Chicago with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £333Free CancellationRating
7.1
606 reviews
Search Icelandair flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Chicago?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Chicago for you.

Can I find flights from London to Chicago with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Chicago flights to just show those with flexible booking policies.

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

Once all potential London to Chicago 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 London to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport