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.

$335 Cheap Flights from London Gatwick Airport to Chicago in 2026

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0 bags

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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 - 6:20 pm

LGW

ORD

11h 25m

1 stop

7:30 pm - 10:55 am

ORD

LGW

10h 25m

1 stop

$537Icelandair

Mon, Mar 9 - Wed, Mar 18

11:55 am - 6:20 pm

LGW

ORD

11h 25m

1 stop

7:30 pm - 10:55 am

ORD

LGW

10h 25m

1 stop

$538Icelandair

Tue, Mar 10 - Wed, Mar 18

11:55 am - 5:20 pm

LGW

ORD

11h 25m

1 stop

6:30 pm - 10:55 am

ORD

LGW

10h 25m

1 stop

$541Icelandair

Thu, Feb 5 - Mon, Feb 9

12:30 pm - 8:25 am

LGW

ORD

25h 55m

1 stop

2:17 pm - 6:50 am

ORD

LGW

34h 33m

1 stop

$544American Airlines

Sun, Mar 1 - Thu, Apr 30

6:40 pm - 4:20 pm

LGW

ORD

27h 40m

1 stop

6:50 pm - 5:50 pm

ORD

LGW

17h 00m

1 stop

$545SWISS

Fri, Feb 6 - Mon, Feb 9

12:20 pm - 1:46 pm

LGW

ORD

31h 26m

1 stop

11:14 am - 8:40 am

ORD

LGW

15h 26m

2 stops

$546Finnair

Thu, Apr 23 - Tue, Apr 28

11:55 am - 5:20 pm

LGW

ORD

11h 25m

1 stop

6:30 pm - 10:55 am

ORD

LGW

10h 25m

1 stop

$549Icelandair

Fri, Feb 13 - Sun, Feb 15

3:40 pm - 6:15 pm

LGW

ORD

32h 35m

1 stop

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

$550Icelandair

Thu, May 21 - Thu, May 28

12:30 pm - 9:05 am

LGW

ORD

50h 35m

2 stops

4:30 pm - 8:00 pm

ORD

LGW

21h 30m

1 stop

$551Iberia

Sun, Feb 1 - Wed, Apr 29

11:55 am - 5:20 pm

LGW

ORD

11h 25m

1 stop

6:30 pm - 10:55 am

ORD

LGW

10h 25m

1 stop

$552Icelandair

Wed, Feb 18 - Tue, Feb 24

Icelandair flights from London Gatwick Airport to Chicago

Our best Icelandair deals on London Gatwick Airport to Chicago flight tickets

Icelandair

Mar 9

LGW11:55 amLondon Gatwick

11h 25m

1 stop

ORD6:20 pmChicago O'Hare Intl

Mar 18

ORD7:30 pmChicago O'Hare Intl

10h 25m

1 stop

LGW10:55 amLondon Gatwick

$537

Icelandair

Mar 10

LGW11:55 amLondon Gatwick

11h 25m

1 stop

ORD6:20 pmChicago O'Hare Intl

Mar 18

ORD7:30 pmChicago O'Hare Intl

10h 25m

1 stop

LGW10:55 amLondon Gatwick

$538

Icelandair

Feb 5

LGW11:55 amLondon Gatwick

11h 25m

1 stop

ORD5:20 pmChicago O'Hare Intl

Feb 9

ORD6:30 pmChicago O'Hare Intl

10h 25m

1 stop

LGW10:55 amLondon Gatwick

$541

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 3

LGW9:20 pmLondon Gatwick

23h 40m

2 stops

ORD3:00 pmChicago O'Hare Intl

Feb 11

ORD7:10 pmChicago O'Hare Intl

13h 55m

1 stop

LGW3:05 pmLondon Gatwick

$591

TAP AIR PORTUGAL

Jan 22

LGW4:00 pmLondon Gatwick

29h 25m

1 stop

ORD3:25 pmChicago O'Hare Intl

Jan 25

ORD8:25 pmChicago O'Hare Intl

18h 10m

2 stops

LGW8:35 pmLondon Gatwick

$600

TAP AIR PORTUGAL

Mar 31

LGW4:25 pmLondon Gatwick

29h 35m

1 stop

ORD4:00 pmChicago O'Hare Intl

Apr 12

ORD6:00 pmChicago O'Hare Intl

15h 10m

1 stop

LGW3:10 pmLondon Gatwick

$609

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

Mon 3/9

11:55 am-6:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Wed 3/18

7:30 pm-10:55 am

1 stop10h 25m

$537

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 3/10

11:55 am-6:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Wed 3/18

7:30 pm-10:55 am

1 stop10h 25m

$538

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 2/5

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Mon 2/9

6:30 pm-10:55 am

1 stop10h 25m

$541

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 3/1

12:30 pm-8:25 am

1 stop25h 55m

Chicago O'Hare Intl

Thu 4/30

2:17 pm-6:50 am

1 stop34h 33m

$544

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 2/6

6:40 pm-4:20 pm

1 stop27h 40m

Chicago O'Hare Intl

Mon 2/9

6:50 pm-5:50 pm

1 stop17h 00m

$545

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 4/23

12:20 pm-1:46 pm

1 stop31h 26m

Chicago O'Hare Intl

Tue 4/28

11:14 am-8:40 am

2 stops15h 26m

$546

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 2/13

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Sun 2/15

6:30 pm-10:55 am

1 stop10h 25m

$549

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 5/21

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Thu 5/28

7:25 pm-2:40 pm

1 stop13h 15m

$550

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 2/1

12:30 pm-9:05 am

2 stops50h 35m

Chicago O'Hare Intl

Wed 4/29

4:30 pm-8:00 pm

1 stop21h 30m

$551

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 2/18

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Tue 2/24

6:30 pm-10:55 am

1 stop10h 25m

$552

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 $772. 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 $885.

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 $821. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $923.

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 15m
Direct flights	None

The fastest flight from London Gatwick Airport to Chicago takes 11h 15m

There are no direct flights from London Gatwick Airport to Chicago. There are no popular flight routes from London Gatwick Airport to Chicago.

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How far is London Gatwick to Chicago by plane?
Chicago is 3954.2 mi away from London Gatwick. Typically, this will take 11h 15m 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 7.1 597 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.