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

Icelandair, Delta, and WestJet are the most popular carriers operating from London Gatwick to Illinois

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

As of May 2026, there is 1 operator available to choose from for flights from London Gatwick Airport 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.

$369 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.

2:50 pm - 4:00 pm

LGW

ORD

31h 10m

1 stop

8:10 pm - 8:35 pm

ORD

LGW

18h 25m

2 stops

$686TAP AIR PORTUGAL

Thu, Oct 22 - Sun, Nov 1

1:00 pm - 9:25 pm

LGW

ORD

14h 25m

1 stop

10:25 pm - 2:40 pm

ORD

LGW

10h 15m

1 stop

$690Icelandair

Tue, Sep 1 - Tue, Sep 8

1:00 pm - 6:15 pm

LGW

ORD

11h 15m

1 stop

10:25 pm - 2:40 pm

ORD

LGW

10h 15m

1 stop

$691Icelandair

Tue, Sep 1 - Tue, Sep 8

1:00 pm - 6:15 pm

LGW

ORD

11h 15m

1 stop

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

$693Icelandair

Tue, Sep 1 - Tue, Sep 8

3:40 pm - 9:25 pm

LGW

ORD

11h 45m

1 stop

10:25 pm - 2:40 pm

ORD

LGW

10h 15m

1 stop

$696Icelandair

Tue, Sep 1 - Tue, Sep 8

3:40 pm - 9:25 pm

LGW

ORD

11h 45m

1 stop

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

$697Icelandair

Wed, Sep 16 - Wed, Sep 30

9:40 am - 9:35 am

LGW

MDW

29h 55m

2 stops

10:15 am - 9:50 am

MDW

LGW

17h 35m

2 stops

$837Multiple Airlines

Tue, Jun 9 - Wed, Jun 17

11:35 am - 9:35 am

LGW

MDW

28h 00m

2 stops

10:15 am - 9:50 am

MDW

LGW

17h 35m

2 stops

$842Multiple Airlines

Mon, Jun 1 - Wed, Jun 17

10:25 am - 9:44 pm

LGW

EVV

17h 19m

2 stops

5:58 pm - 4:00 pm

EVV

LGW

16h 02m

2 stops

$1,196Delta

Thu, Jun 4 - Thu, Jun 11

10:25 am - 9:44 pm

LGW

EVV

17h 19m

2 stops

5:58 pm - 4:00 pm

EVV

LGW

16h 02m

2 stops

$1,215Delta

Fri, May 22 - Thu, Jun 11

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

Oct 22

LGW2:50 pmLondon Gatwick

31h 10m

1 stop

ORD4:00 pmChicago O'Hare Intl

Nov 1

ORD8:10 pmChicago O'Hare Intl

18h 25m

2 stops

LGW8:35 pmLondon Gatwick

$686

TAP AIR PORTUGAL

Oct 31

LGW4:35 pmLondon Gatwick

28h 55m

1 stop

ORD4:30 pmChicago O'Hare Intl

Nov 8

ORD8:10 pmChicago O'Hare Intl

13h 35m

1 stop

LGW3:45 pmLondon Gatwick

$703

TAP AIR PORTUGAL

Oct 14

LGW4:25 pmLondon Gatwick

26h 15m

1 stop

ORD12:40 pmChicago O'Hare Intl

Oct 21

ORD6:00 pmChicago O'Hare Intl

35h 20m

2 stops

LGW11:20 amLondon Gatwick

$707

Icelandair flights from London Gatwick Airport to Illinois

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

Icelandair

Sep 1

LGW1:00 pmLondon Gatwick

14h 25m

1 stop

ORD9:25 pmChicago O'Hare Intl

Sep 8

ORD10:25 pmChicago O'Hare Intl

10h 15m

1 stop

LGW2:40 pmLondon Gatwick

$690

Icelandair

Sep 1

LGW1:00 pmLondon Gatwick

11h 15m

1 stop

ORD6:15 pmChicago O'Hare Intl

Sep 8

ORD10:25 pmChicago O'Hare Intl

10h 15m

1 stop

LGW2:40 pmLondon Gatwick

$691

Icelandair

Sep 1

LGW1:00 pmLondon Gatwick

11h 15m

1 stop

ORD6:15 pmChicago O'Hare Intl

Sep 8

ORD7:25 pmChicago O'Hare Intl

13h 15m

1 stop

LGW2:40 pmLondon Gatwick

$693

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

Cheapest round-trip

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 10/22

2:50 pm-4:00 pm

1 stop31h 10m

Chicago O'Hare Intl

Sun 11/1

8:10 pm-8:35 pm

2 stops18h 25m

$686

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 9/1

1:00 pm-9:25 pm

1 stop14h 25m

Chicago O'Hare Intl

Tue 9/8

10:25 pm-2:40 pm

1 stop10h 15m

$690

Quickest round-trip

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 9/1

1:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Tue 9/8

10:25 pm-2:40 pm

1 stop10h 15m

$691

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 9/1

1:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Tue 9/8

7:25 pm-2:40 pm

1 stop13h 15m

$693

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 9/1

3:40 pm-9:25 pm

1 stop11h 45m

Chicago O'Hare Intl

Tue 9/8

10:25 pm-2:40 pm

1 stop10h 15m

$696

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 9/16

3:40 pm-9:25 pm

1 stop11h 45m

Chicago O'Hare Intl

Wed 9/30

7:25 pm-2:40 pm

1 stop13h 15m

$697

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Tue 6/9

9:40 am-9:35 am

2 stops29h 55m

Chicago Midway

Wed 6/17

10:15 am-9:50 am

2 stops17h 35m

$837

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Mon 6/1

11:35 am-9:35 am

2 stops28h 00m

Chicago Midway

Wed 6/17

10:15 am-9:50 am

2 stops17h 35m

$842

LondonEvansville

LGW - EVV

LGWEVV

London Gatwick

Thu 6/4

10:25 am-9:44 pm

2 stops17h 19m

Evansville Dress Regional

Thu 6/11

5:58 pm-4:00 pm

2 stops16h 02m

$1,196

LondonEvansville

LGW - EVV

LGWEVV

London Gatwick

Fri 5/22

10:25 am-9:44 pm

2 stops17h 19m

Evansville Dress Regional

Thu 6/11

5:58 pm-4:00 pm

2 stops16h 02m

$1,215

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 December. Flight prices, which tend to average around $232, 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 December, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $412.

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

Frequently asked questions about flying from London Gatwick Airport to Illinois

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 many operators does momondo search for flights from London Gatwick Airport to Illinois?
As of May 2026, there is 1 operator available to choose from for flights from London Gatwick Airport 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.

Best airlines flying from London Gatwick Airport to Illinois

Compare and see reviews for airlines that fly from London Gatwick Airport to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $468	Free Cancellation	Rating 7.0 653 reviews		Search Icelandair flights

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.