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

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

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

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 Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$405 Cheap Flights from London Gatwick Airport to Illinois in 2026

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Find the cheapest flights from London Gatwick Airport to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 6:15 pm

LGW

ORD

32h 35m

1 stop

10:25 pm - 2:40 pm

ORD

LGW

10h 15m

1 stop

$531Icelandair

Mon, Apr 27 - Fri, May 1

3:40 pm - 9:25 pm

LGW

ORD

11h 45m

1 stop

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

$533Icelandair

Fri, Apr 17 - Wed, Apr 22

11:55 am - 5:20 pm

LGW

ORD

11h 25m

1 stop

7:30 pm - 10:55 am

ORD

LGW

10h 25m

1 stop

$535Icelandair

Sun, Mar 1 - Tue, Mar 10

4:35 pm - 2:45 pm

LGW

ORD

28h 10m

1 stop

7:10 pm - 3:05 pm

ORD

LGW

13h 55m

1 stop

$536TAP AIR PORTUGAL

Sat, Feb 7 - Wed, Feb 18

4:00 pm - 3:25 pm

LGW

ORD

29h 25m

1 stop

8:25 pm - 3:45 pm

ORD

LGW

13h 20m

1 stop

$537TAP AIR PORTUGAL

Thu, Feb 26 - Sun, Mar 1

11:55 am - 6:20 pm

LGW

ORD

11h 25m

1 stop

7:30 pm - 10:55 am

ORD

LGW

10h 25m

1 stop

$540Icelandair

Mon, Mar 9 - Wed, Mar 25

2:00 pm - 11:51 pm

LGW

MDW

15h 51m

1 stop

11:19 am - 10:00 am

MDW

LGW

17h 41m

1 stop

$541Multiple Airlines

Fri, Mar 6 - Wed, Mar 25

11:55 am - 5:20 pm

LGW

ORD

11h 25m

1 stop

7:30 pm - 10:55 am

ORD

LGW

10h 25m

1 stop

$541Icelandair

Fri, Mar 6 - Wed, Mar 25

4:35 pm - 2:45 pm

LGW

ORD

28h 10m

1 stop

8:25 pm - 3:45 pm

ORD

LGW

13h 20m

1 stop

$542TAP AIR PORTUGAL

Sat, Feb 7 - Sun, Feb 15

11:55 am - 5:20 pm

LGW

ORD

11h 25m

1 stop

7:30 pm - 10:55 am

ORD

LGW

10h 25m

1 stop

$543Icelandair

Mon, Mar 2 - Mon, Mar 9

Icelandair flights from London Gatwick Airport to Illinois

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

Icelandair

Apr 27

LGW3:40 pmLondon Gatwick

32h 35m

1 stop

ORD6:15 pmChicago O'Hare Intl

May 1

ORD10:25 pmChicago O'Hare Intl

10h 15m

1 stop

LGW2:40 pmLondon Gatwick

$531

Icelandair

Apr 17

LGW3:40 pmLondon Gatwick

11h 45m

1 stop

ORD9:25 pmChicago O'Hare Intl

Apr 22

ORD7:25 pmChicago O'Hare Intl

13h 15m

1 stop

LGW2:40 pmLondon Gatwick

$533

Icelandair

Mar 1

LGW11:55 amLondon Gatwick

11h 25m

1 stop

ORD5:20 pmChicago O'Hare Intl

Mar 10

ORD7:30 pmChicago O'Hare Intl

10h 25m

1 stop

LGW10:55 amLondon Gatwick

$535

TAP AIR PORTUGAL flights from London Gatwick Airport to Illinois

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to Illinois flight tickets

TAP AIR PORTUGAL

Feb 7

LGW4:35 pmLondon Gatwick

28h 10m

1 stop

ORD2:45 pmChicago O'Hare Intl

Feb 18

ORD7:10 pmChicago O'Hare Intl

13h 55m

1 stop

LGW3:05 pmLondon Gatwick

$536

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

$537

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

$540

momondo Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 4/27

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Fri 5/1

10:25 pm-2:40 pm

1 stop10h 15m

$531

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 4/17

3:40 pm-9:25 pm

1 stop11h 45m

Chicago O'Hare Intl

Wed 4/22

7:25 pm-2:40 pm

1 stop13h 15m

$533

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 3/1

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Tue 3/10

7:30 pm-10:55 am

1 stop10h 25m

$535

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 2/7

4:35 pm-2:45 pm

1 stop28h 10m

Chicago O'Hare Intl

Wed 2/18

7:10 pm-3:05 pm

1 stop13h 55m

$536

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

$537

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 3/9

11:55 am-6:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Wed 3/25

7:30 pm-10:55 am

1 stop10h 25m

$540

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Fri 3/6

2:00 pm-11:51 pm

1 stop15h 51m

Chicago Midway

Wed 3/25

11:19 am-10:00 am

1 stop17h 41m

$541

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 3/6

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Wed 3/25

7:30 pm-10:55 am

1 stop10h 25m

$541

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 2/7

4:35 pm-2:45 pm

1 stop28h 10m

Chicago O'Hare Intl

Sun 2/15

8:25 pm-3:45 pm

1 stop13h 20m

$542

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 3/2

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Mon 3/9

7:30 pm-10:55 am

1 stop10h 25m

$543

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 Illinois

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 Illinois?

The cheapest month to fly to Illinois from London Gatwick Airport is in November. Flight prices, which tend to average around $443, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $528.

Cheap London Gatwick Airport to Illinois flight deals and tips

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

Fastest flight time	11h 15m
Direct flights	None

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

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

Search flight deals

When did momondo last update prices for flights from London Gatwick Airport to Illinois?
Prices for flights from London Gatwick Airport to Illinois refresh daily.
How old do you have to be to fly from London Gatwick Airport to Illinois?
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 Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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 Illinois for you.

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

Yes. momondo enables you to select and highlight flights to Illinois from London with this policy.

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

momondo helps you find the best flight between London and Illinois 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 Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Illinois 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.