What is the cheapest airline that flies from London Gatwick to Chicago?

Icelandair is the most popular carrier operating from London Gatwick to Chicago

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

As of January 2026, there is 1 operator available to choose from 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 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 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.

$457 Cheap Flights from London Gatwick Airport to Chicago in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Gatwick Airport to Chicago

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:55 am - 5:20 pm

LGW

ORD

11h 25m

1 stop

6:30 pm - 10:55 am

ORD

LGW

10h 25m

1 stop

$529Icelandair

Fri, Feb 20 - Mon, Feb 23

4:00 pm - 3:25 pm

LGW

ORD

29h 25m

1 stop

8:25 pm - 3:45 pm

ORD

LGW

13h 20m

1 stop

$531TAP AIR PORTUGAL

Thu, Feb 26 - Sun, Mar 1

4:35 pm - 3:00 pm

LGW

ORD

28h 25m

1 stop

7:10 pm - 3:05 pm

ORD

LGW

13h 55m

1 stop

$537TAP AIR PORTUGAL

Tue, Feb 10 - Wed, Mar 4

11:55 am - 5:20 pm

LGW

ORD

11h 25m

1 stop

6:30 pm - 10:55 am

ORD

LGW

10h 25m

1 stop

$544Icelandair

Sat, Feb 21 - Fri, Feb 27

6:40 pm - 12:45 pm

LGW

ORD

24h 05m

1 stop

6:50 pm - 5:50 pm

ORD

LGW

17h 00m

1 stop

$545SWISS

Tue, Feb 24 - Tue, Mar 3

6:40 pm - 1:45 pm

LGW

ORD

24h 05m

1 stop

5:10 pm - 5:50 pm

ORD

LGW

19h 40m

1 stop

$546SWISS

Tue, Mar 10 - Tue, Mar 17

11:55 am - 5:20 pm

LGW

ORD

11h 25m

1 stop

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

$549Icelandair

Mon, Feb 9 - Sun, Apr 26

2:00 pm - 6:13 pm

LGW

MDW

33h 13m

1 stop

6:15 am - 10:00 am

MDW

LGW

22h 45m

1 stop

$551Multiple Airlines

Mon, Mar 9 - Mon, Mar 16

2:00 pm - 9:22 am

LGW

ORD

25h 22m

2 stops

6:40 am - 6:00 am

ORD

LGW

17h 20m

1 stop

$553Multiple Airlines

Thu, Feb 26 - Sun, Mar 1

10:25 am - 10:29 pm

LGW

MDW

18h 04m

2 stops

9:26 am - 9:25 am

MDW

LGW

17h 59m

2 stops

$947Delta

Mon, Apr 13 - Thu, Apr 23

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

Feb 26

LGW4:00 pmLondon Gatwick

29h 25m

1 stop

ORD3:25 pmChicago O'Hare Intl

Mar 1

ORD8:25 pmChicago O'Hare Intl

13h 20m

1 stop

LGW3:45 pmLondon Gatwick

$531

TAP AIR PORTUGAL

Feb 10

LGW4:35 pmLondon Gatwick

28h 25m

1 stop

ORD3:00 pmChicago O'Hare Intl

Mar 4

ORD7:10 pmChicago O'Hare Intl

13h 55m

1 stop

LGW3:05 pmLondon Gatwick

$537

TAP AIR PORTUGAL

Feb 3

LGW9:20 pmLondon Gatwick

23h 40m

2 stops

ORD3:00 pmChicago O'Hare Intl

Feb 8

ORD8:25 pmChicago O'Hare Intl

13h 20m

1 stop

LGW3:45 pmLondon Gatwick

$595

American Airlines flights from London Gatwick Airport to Chicago

Our best American Airlines deals on London Gatwick Airport to Chicago flight tickets

American Airlines

Mar 8

LGW11:20 amLondon Gatwick

16h 49m

1 stop

ORD11:09 pmChicago O'Hare Intl

Mar 24

ORD1:09 pmChicago O'Hare Intl

13h 21m

1 stop

LGW7:30 amLondon Gatwick

$562

American Airlines

Mar 8

LGW11:20 amLondon Gatwick

30h 16m

1 stop

ORD12:36 pmChicago O'Hare Intl

Mar 24

ORD10:28 amChicago O'Hare Intl

16h 02m

2 stops

LGW7:30 amLondon Gatwick

$566

American Airlines

Mar 11

LGW11:20 amLondon Gatwick

16h 49m

1 stop

ORD11:09 pmChicago O'Hare Intl

Mar 18

ORD1:09 pmChicago O'Hare Intl

13h 21m

1 stop

LGW7:30 amLondon Gatwick

$574

momondo Fare Finder

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

Fri 2/20

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Mon 2/23

6:30 pm-10:55 am

1 stop10h 25m

$529

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 2/26

4:00 pm-3:25 pm

1 stop29h 25m

Chicago O'Hare Intl

Sun 3/1

8:25 pm-3:45 pm

1 stop13h 20m

$531

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 2/10

4:35 pm-3:00 pm

1 stop28h 25m

Chicago O'Hare Intl

Wed 3/4

7:10 pm-3:05 pm

1 stop13h 55m

$537

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 2/21

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Fri 2/27

6:30 pm-10:55 am

1 stop10h 25m

$544

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 2/24

6:40 pm-12:45 pm

1 stop24h 05m

Chicago O'Hare Intl

Tue 3/3

6:50 pm-5:50 pm

1 stop17h 00m

$545

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 3/10

6:40 pm-1:45 pm

1 stop24h 05m

Chicago O'Hare Intl

Tue 3/17

5:10 pm-5:50 pm

1 stop19h 40m

$546

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 2/9

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Sun 4/26

7:25 pm-2:40 pm

1 stop13h 15m

$549

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Mon 3/9

2:00 pm-6:13 pm

1 stop33h 13m

Chicago Midway

Mon 3/16

6:15 am-10:00 am

1 stop22h 45m

$551

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 2/26

2:00 pm-9:22 am

2 stops25h 22m

Chicago O'Hare Intl

Sun 3/1

6:40 am-6:00 am

1 stop17h 20m

$553

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Mon 4/13

10:25 am-10:29 pm

2 stops18h 04m

Chicago Midway

Thu 4/23

9:26 am-9:25 am

2 stops17h 59m

$947

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Chicago?

The month of November is, on average, the cheapest month to fly to Chicago from London Gatwick Airport, with most prices found around $443. If you’re not able to fly to Chicago in November, then January is your next best option. Flight prices from London Gatwick Airport to Chicago during January average around $528.

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 $770. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to Chicago for around $881.

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

Our most recent data shows that the best time of day to fly to Chicago is in the morning. Flights from London Gatwick Airport to Chicago during this time can be as low as $819. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $929.

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 round-trip 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?
Chicago is 3954.2 mi away from London Gatwick. Typically, this will take 11h 25m by plane in normal conditions.
When did momondo last update prices for flights from London Gatwick Airport to Chicago?
Prices for flights from London Gatwick Airport to Chicago refresh daily.
How many operators does momondo search for flights from London Gatwick Airport to Chicago?
As of January 2026, there is 1 operator available to choose from 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 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 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.

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
Icelandair	PriceFrom $453	Free Cancellation	Rating 7.1 603 reviews		Search Icelandair flights

Merrillville

New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Munster

Crown Point

Chesterton

Monticello

Porter

Griffith

Saint John

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Chicago from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between London and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for London to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.