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

Icelandair and Iberia 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 are 2 operators available for flights from London Gatwick Airport to Illinois as of February 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.

£296 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.

15:40 - 18:15

LGW

ORD

32h 35m

1 stop

22:25 - 14:40

ORD

LGW

10h 15m

1 stop

£388Icelandair

Mon, 27 Apr - Fri, 1 May

15:40 - 21:25

LGW

ORD

11h 45m

1 stop

19:25 - 14:40

ORD

LGW

13h 15m

1 stop

£389Icelandair

Fri, 17 Apr - Wed, 22 Apr

11:55 - 17:20

LGW

ORD

11h 25m

1 stop

19:30 - 10:55

ORD

LGW

10h 25m

1 stop

£391Icelandair

Sun, 1 Mar - Tue, 10 Mar

16:00 - 15:25

LGW

ORD

29h 25m

1 stop

20:25 - 15:45

ORD

LGW

13h 20m

1 stop

£392TAP AIR PORTUGAL

Thu, 26 Feb - Sun, 1 Mar

14:00 - 23:51

LGW

MDW

15h 51m

1 stop

11:19 - 10:00

MDW

LGW

17h 41m

1 stop

£395Multiple Airlines

Fri, 6 Mar - Wed, 25 Mar

13:00 - 00:40

LGW

ORD

16h 40m

1 stop

19:31 - 06:00

ORD

LGW

29h 29m

1 stop

£397Multiple Airlines

Wed, 11 Mar - Sat, 14 Mar

20:40 - 18:27

LGW

CMI

27h 47m

2 stops

18:32 - 10:50

CMI

LGW

34h 18m

2 stops

£845British Airways

Tue, 21 Apr - Thu, 21 May

20:40 - 21:34

LGW

CMI

30h 54m

2 stops

18:32 - 10:50

CMI

LGW

34h 18m

2 stops

£846British Airways

Tue, 21 Apr - Thu, 21 May

20:40 - 21:32

LGW

CMI

30h 52m

2 stops

14:38 - 20:00

CMI

LGW

23h 22m

2 stops

£930Iberia

Wed, 29 Apr - Sun, 3 May

20:40 - 18:20

LGW

CMI

27h 40m

2 stops

14:38 - 10:50

CMI

LGW

14h 12m

2 stops

£933Iberia

Wed, 29 Apr - Sun, 3 May

Icelandair flights from London Gatwick Airport to Illinois

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

Icelandair

27 Apr

LGW15:40London Gatwick

32h 35m

1 stop

ORD18:15Chicago O'Hare Intl

1 May

ORD22:25Chicago O'Hare Intl

10h 15m

1 stop

LGW14:40London Gatwick

£388

Icelandair

1 Mar

LGW11:55London Gatwick

11h 25m

1 stop

ORD17:20Chicago O'Hare Intl

10 Mar

ORD19:30Chicago O'Hare Intl

10h 25m

1 stop

LGW10:55London Gatwick

£391

Icelandair

7 May

LGW13:00London Gatwick

11h 15m

1 stop

ORD18:15Chicago O'Hare Intl

17 May

ORD19:25Chicago O'Hare Intl

13h 15m

1 stop

LGW14:40London Gatwick

£393

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

7 Feb

LGW16:35London Gatwick

28h 10m

1 stop

ORD14:45Chicago O'Hare Intl

18 Feb

ORD19:10Chicago O'Hare Intl

13h 55m

1 stop

LGW15:05London Gatwick

£392

TAP AIR PORTUGAL

26 Feb

LGW16:00London Gatwick

29h 25m

1 stop

ORD15:25Chicago O'Hare Intl

1 Mar

ORD20:25Chicago O'Hare Intl

13h 20m

1 stop

LGW15:45London Gatwick

£392

TAP AIR PORTUGAL

7 Feb

LGW16:35London Gatwick

28h 10m

1 stop

ORD14:45Chicago O'Hare Intl

15 Feb

ORD20:25Chicago O'Hare Intl

13h 20m

1 stop

LGW15:45London Gatwick

£396

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 27/4

15:40-18:15

1 stop32h 35m

Chicago O'Hare Intl

Fri 1/5

22:25-14:40

1 stop10h 15m

£388

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 17/4

15:40-21:25

1 stop11h 45m

Chicago O'Hare Intl

Wed 22/4

19:25-14:40

1 stop13h 15m

£389

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 1/3

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Tue 10/3

19:30-10:55

1 stop10h 25m

£391

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 26/2

16:00-15:25

1 stop29h 25m

Chicago O'Hare Intl

Sun 1/3

20:25-15:45

1 stop13h 20m

£392

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Fri 6/3

14:00-23:51

1 stop15h 51m

Chicago Midway

Wed 25/3

11:19-10:00

1 stop17h 41m

£395

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 11/3

13:00-00:40

1 stop16h 40m

Chicago O'Hare Intl

Sat 14/3

19:31-06:00

1 stop29h 29m

£397

LondonChampaign

LGW - CMI

LGWCMI

London Gatwick

Tue 21/4

20:40-18:27

2 stops27h 47m

Champaign University-Willard

Thu 21/5

18:32-10:50

2 stops34h 18m

£845

LondonChampaign

LGW - CMI

LGWCMI

London Gatwick

Tue 21/4

20:40-21:34

2 stops30h 54m

Champaign University-Willard

Thu 21/5

18:32-10:50

2 stops34h 18m

£846

LondonChampaign

LGW - CMI

LGWCMI

London Gatwick

Wed 29/4

20:40-21:32

2 stops30h 52m

Champaign University-Willard

Sun 3/5

14:38-20:00

2 stops23h 22m

£930

LondonChampaign

LGW - CMI

LGWCMI

London Gatwick

Wed 29/4

20:40-18:20

2 stops27h 40m

Champaign University-Willard

Sun 3/5

14:38-10:50

2 stops14h 12m

£933

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 November is, on average, the cheapest month to fly to Illinois from London Gatwick Airport, with most prices found around £324. 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 £386.

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

You could potentially save up to 74% 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

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 are 2 operators available for flights from London Gatwick Airport to Illinois as of February 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 £333	Free Cancellation	Rating 7.1 606 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.