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

Icelandair, British Airways, and TAP AIR PORTUGAL are the most popular carriers operating from Illinois to London Gatwick

How long does it take to fly to London Gatwick Airport?

On average, it takes 9h 28m to fly from Illinois to London Gatwick Airport if you fly out of Chicago (the most popular airport in Illinois) and into London Heathrow Airport (the most popular airport in London Gatwick Airport). If you’re flying out of Peoria and into London Heathrow Airport, then the flight time is around 9h 41m.

When did momondo last update prices for flights from Illinois to London Gatwick Airport?

Prices for flights from Illinois to London Gatwick Airport refresh daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to London Gatwick Airport.

What documentation or ID do you need to fly to London Gatwick Airport?

The travel and health documents required for your trip to London Gatwick Airport 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 London Gatwick Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£258 Cheap Flights from Illinois to London Gatwick Airport in 2026

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Find the cheapest flights from Illinois to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

19:25 - 14:40

ORD

LGW

13h 15m

1 stop

15:40 - 21:25

LGW

ORD

11h 45m

1 stop

£386Icelandair

Mon, 20 Apr - Wed, 13 May

10:00 - 12:45

ORD

LGW

20h 45m

2 stops

20:35 - 14:10

LGW

ORD

22h 35m

2 stops

£387Multiple Airlines

Sun, 1 Mar - Mon, 9 Mar

19:25 - 14:40

ORD

LGW

13h 15m

1 stop

15:40 - 18:15

LGW

ORD

32h 35m

1 stop

£388Icelandair

Thu, 23 Apr - Sat, 16 May

19:25 - 14:40

ORD

LGW

13h 15m

1 stop

13:00 - 18:15

LGW

ORD

11h 15m

1 stop

£389Icelandair

Thu, 7 May - Tue, 12 May

19:25 - 14:40

ORD

LGW

13h 15m

1 stop

13:00 - 18:15

LGW

ORD

11h 15m

1 stop

£389Icelandair

Sat, 2 May - Thu, 7 May

19:25 - 14:40

ORD

LGW

13h 15m

1 stop

15:40 - 18:15

LGW

ORD

32h 35m

1 stop

£390Icelandair

Mon, 4 May - Mon, 11 May

17:58 - 06:00

ORD

LGW

30h 02m

1 stop

14:00 - 23:38

LGW

ORD

14h 38m

1 stop

£395Multiple Airlines

Sat, 28 Feb - Mon, 9 Mar

12:11 - 10:50

STL

LGW

16h 39m

2 stops

21:05 - 22:14

LGW

STL

31h 09m

2 stops

£491Iberia

Mon, 20 Apr - Mon, 27 Apr

17:59 - 15:45

STL

LGW

15h 46m

2 stops

10:35 - 21:06

LGW

STL

16h 31m

2 stops

£493Delta

Mon, 30 Mar - Tue, 7 Apr

17:59 - 15:45

STL

LGW

15h 46m

2 stops

10:35 - 21:06

LGW

STL

16h 31m

2 stops

£494Delta

Mon, 30 Mar - Tue, 7 Apr

TAP AIR PORTUGAL flights from Illinois to London Gatwick Airport

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

TAP AIR PORTUGAL

1 Feb

ORD20:25Chicago O'Hare Intl

13h 20m

1 stop

LGW15:45London Gatwick

10 Feb

LGW16:35London Gatwick

28h 25m

1 stop

ORD15:00Chicago O'Hare Intl

£401

TAP AIR PORTUGAL

23 Jan

ORD20:15Chicago O'Hare Intl

13h 30m

1 stop

LGW15:45London Gatwick

31 Jan

LGW16:35London Gatwick

28h 10m

1 stop

ORD14:45Chicago O'Hare Intl

£409

TAP AIR PORTUGAL

1 Feb

ORD20:25Chicago O'Hare Intl

13h 20m

1 stop

LGW15:45London Gatwick

10 Feb

LGW16:35London Gatwick

28h 25m

1 stop

ORD15:00Chicago O'Hare Intl

£416

Delta flights from Illinois to London Gatwick Airport

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

Delta

30 Mar

STL17:59Lambert-St Louis

15h 46m

2 stops

LGW15:45London Gatwick

7 Apr

LGW10:35London Gatwick

16h 31m

2 stops

STL21:06Lambert-St Louis

£493

Delta

30 Mar

STL17:59Lambert-St Louis

15h 46m

2 stops

LGW15:45London Gatwick

7 Apr

LGW10:35London Gatwick

16h 31m

2 stops

STL21:06Lambert-St Louis

£494

Delta

7 May

STL17:00Lambert-St Louis

16h 50m

2 stops

LGW15:50London Gatwick

11 May

LGW10:25London Gatwick

36h 15m

2 stops

STL16:40Lambert-St Louis

£611

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 20/4

19:25-14:40

1 stop13h 15m

London Gatwick

Wed 13/5

15:40-21:25

1 stop11h 45m

£386

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 1/3

10:00-12:45

2 stops20h 45m

London Gatwick

Mon 9/3

20:35-14:10

2 stops22h 35m

£387

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 23/4

19:25-14:40

1 stop13h 15m

London Gatwick

Sat 16/5

15:40-18:15

1 stop32h 35m

£388

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 7/5

19:25-14:40

1 stop13h 15m

London Gatwick

Tue 12/5

13:00-18:15

1 stop11h 15m

£389

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 2/5

19:25-14:40

1 stop13h 15m

London Gatwick

Thu 7/5

13:00-18:15

1 stop11h 15m

£389

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 4/5

19:25-14:40

1 stop13h 15m

London Gatwick

Mon 11/5

15:40-18:15

1 stop32h 35m

£390

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 28/2

17:58-06:00

1 stop30h 02m

London Gatwick

Mon 9/3

14:00-23:38

1 stop14h 38m

£395

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 20/4

12:11-10:50

2 stops16h 39m

London Gatwick

Mon 27/4

21:05-22:14

2 stops31h 09m

£491

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 30/3

17:59-15:45

2 stops15h 46m

London Gatwick

Tue 7/4

10:35-21:06

2 stops16h 31m

£493

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 30/3

17:59-15:45

2 stops15h 46m

London Gatwick

Tue 7/4

10:35-21:06

2 stops16h 31m

£494

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 Illinois to London Gatwick Airport

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

Other information

What is the cheapest month to fly to London Gatwick Airport?

The cheapest month to fly to London Gatwick Airport from Illinois is in November. Flight prices, which tend to average around £388, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in November, then you should wait until February to fly from Illinois, when ticket prices are also cheap, with an average price of £439.

Cheap Illinois to London Gatwick Airport flight deals and tips

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

Fastest flight time	10h 15m
Direct flights	None

The fastest flight from Illinois to London Gatwick Airport takes 10h 15m

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

Search flight deals

When did momondo last update prices for flights from Illinois to London Gatwick Airport?
Prices for flights from Illinois to London Gatwick Airport refresh daily.
How old do you have to be to fly from Illinois to London Gatwick Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to London Gatwick Airport.
What documentation or ID do you need to fly to London Gatwick Airport?
The travel and health documents required for your trip to London Gatwick Airport 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 London Gatwick Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Luton

Milton Keynes

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Bedford

Worthing

Ramsgate

Colchester

Folkestone

Winchester

Why use momondo?

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

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 Illinois to London for you.

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

All flight searches from Illinois to London on momondo can be filtered to show those which offer flexible booking policies.

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

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

Yes momondo offers price alerts on flights to London from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.