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

Icelandair and KLM 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?

There is 1 operator available for flights from London Gatwick Airport to Illinois as of May 2026.

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 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 Illinois.

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

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£271 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 return flights

Enter your travel dates to find the best prices.

14:50 - 16:00

LGW

ORD

31h 10m

1 stop

20:10 - 20:35

ORD

LGW

18h 25m

2 stops

£504TAP AIR PORTUGAL

Thu, 22 Oct - Sun, 1 Nov

13:00 - 21:25

LGW

ORD

14h 25m

1 stop

22:25 - 14:40

ORD

LGW

10h 15m

1 stop

£507Icelandair

Tue, 1 Sep - Tue, 8 Sep

13:00 - 18:15

LGW

ORD

11h 15m

1 stop

22:25 - 14:40

ORD

LGW

10h 15m

1 stop

£508Icelandair

Tue, 1 Sep - Tue, 8 Sep

15:40 - 21:25

LGW

ORD

11h 45m

1 stop

19:25 - 14:40

ORD

LGW

13h 15m

1 stop

£510Icelandair

Fri, 9 Oct - Tue, 13 Oct

15:40 - 21:25

LGW

ORD

11h 45m

1 stop

19:25 - 14:40

ORD

LGW

13h 15m

1 stop

£511Icelandair

Wed, 7 Oct - Mon, 12 Oct

15:40 - 21:25

LGW

ORD

11h 45m

1 stop

22:25 - 14:40

ORD

LGW

10h 15m

1 stop

£512Icelandair

Tue, 1 Sep - Tue, 8 Sep

09:40 - 09:35

LGW

MDW

29h 55m

2 stops

10:15 - 09:50

MDW

LGW

17h 35m

2 stops

£615Multiple Airlines

Tue, 9 Jun - Wed, 17 Jun

11:35 - 09:35

LGW

MDW

28h 00m

2 stops

10:15 - 09:50

MDW

LGW

17h 35m

2 stops

£619Multiple Airlines

Mon, 1 Jun - Wed, 17 Jun

10:25 - 21:44

LGW

EVV

17h 19m

2 stops

17:58 - 16:00

EVV

LGW

16h 02m

2 stops

£879Delta

Thu, 4 Jun - Thu, 11 Jun

10:25 - 21:44

LGW

EVV

17h 19m

2 stops

17:58 - 16:00

EVV

LGW

16h 02m

2 stops

£893Delta

Fri, 22 May - Thu, 11 Jun

Icelandair flights from London Gatwick Airport to Illinois

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

Icelandair

1 Sept

LGW13:00London Gatwick

14h 25m

1 stop

ORD21:25Chicago O'Hare Intl

8 Sept

ORD22:25Chicago O'Hare Intl

10h 15m

1 stop

LGW14:40London Gatwick

£507

Icelandair

1 Sept

LGW13:00London Gatwick

11h 15m

1 stop

ORD18:15Chicago O'Hare Intl

8 Sept

ORD22:25Chicago O'Hare Intl

10h 15m

1 stop

LGW14:40London Gatwick

£508

Icelandair

9 Oct

LGW15:40London Gatwick

11h 45m

1 stop

ORD21:25Chicago O'Hare Intl

13 Oct

ORD19:25Chicago O'Hare Intl

13h 15m

1 stop

LGW14:40London Gatwick

£510

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

22 Oct

LGW14:50London Gatwick

31h 10m

1 stop

ORD16:00Chicago O'Hare Intl

1 Nov

ORD20:10Chicago O'Hare Intl

18h 25m

2 stops

LGW20:35London Gatwick

£504

TAP AIR PORTUGAL

31 Oct

LGW16:35London Gatwick

28h 55m

1 stop

ORD16:30Chicago O'Hare Intl

8 Nov

ORD20:10Chicago O'Hare Intl

13h 35m

1 stop

LGW15:45London Gatwick

£517

TAP AIR PORTUGAL

14 Oct

LGW16:25London Gatwick

26h 15m

1 stop

ORD12:40Chicago O'Hare Intl

21 Oct

ORD18:00Chicago O'Hare Intl

35h 20m

2 stops

LGW11:20London Gatwick

£520

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 return flight

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 22/10

14:50-16:00

1 stop31h 10m

Chicago O'Hare Intl

Sun 1/11

20:10-20:35

2 stops18h 25m

£504

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 1/9

13:00-21:25

1 stop14h 25m

Chicago O'Hare Intl

Tue 8/9

22:25-14:40

1 stop10h 15m

£507

Fastest return journey

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 1/9

13:00-18:15

1 stop11h 15m

Chicago O'Hare Intl

Tue 8/9

22:25-14:40

1 stop10h 15m

£508

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 9/10

15:40-21:25

1 stop11h 45m

Chicago O'Hare Intl

Tue 13/10

19:25-14:40

1 stop13h 15m

£510

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 7/10

15:40-21:25

1 stop11h 45m

Chicago O'Hare Intl

Mon 12/10

19:25-14:40

1 stop13h 15m

£511

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 1/9

15:40-21:25

1 stop11h 45m

Chicago O'Hare Intl

Tue 8/9

22:25-14:40

1 stop10h 15m

£512

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Tue 9/6

09:40-09:35

2 stops29h 55m

Chicago Midway

Wed 17/6

10:15-09:50

2 stops17h 35m

£615

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Mon 1/6

11:35-09:35

2 stops28h 00m

Chicago Midway

Wed 17/6

10:15-09:50

2 stops17h 35m

£619

LondonEvansville

LGW - EVV

LGWEVV

London Gatwick

Thu 4/6

10:25-21:44

2 stops17h 19m

Evansville Dress Regional

Thu 11/6

17:58-16:00

2 stops16h 02m

£879

LondonEvansville

LGW - EVV

LGWEVV

London Gatwick

Fri 22/5

10:25-21:44

2 stops17h 19m

Evansville Dress Regional

Thu 11/6

17:58-16:00

2 stops16h 02m

£893

Flights are sorted by cheapest return 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 month of December is, on average, the cheapest month to fly to Illinois from London Gatwick Airport, with most prices found around £171. 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 £303.

Can stopping save me money on London Gatwick Airport to Illinois flights?

You could potentially save up to 75% on your flight if you consider stops on a London Gatwick Airport to Illinois flight.

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?
There is 1 operator available for flights from London Gatwick Airport to Illinois as of May 2026.
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 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 Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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 £344	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?

It is quick and easy to find London to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Illinois.

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

Of course. momondo tracks the price of London to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.