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

Delta 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 18m 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 10h 50m.

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.

£234 Cheap Flights from Illinois to London Gatwick Airport in 2026/27

Find the cheapest flights from Illinois to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:00 - 09:45ORD Chicago O'Hare Intl-LGW London Gatwick

33h 45m1 stop Lisbon Humberto Delgado

16:00 - 16:30LGW London Gatwick-ORD Chicago O'Hare Intl

29h 30m1 stop Lisbon Humberto Delgado

£546TAP AIR PORTUGAL

Thu, 22 Oct - Thu, 29 Oct

19:10 - 20:25ORD Chicago O'Hare Intl-LGW London Gatwick

19h 15m1 stop Kastrup Copenhagen

07:00 - 17:45LGW London Gatwick-ORD Chicago O'Hare Intl

15h 45m1 stop Kastrup Copenhagen

£546Multiple Airlines

Sat, 13 Mar - Thu, 18 Mar

19:10 - 18:50ORD Chicago O'Hare Intl-LGW London Gatwick

17h 40m1 stop Kastrup Copenhagen

20:10 - 16:45LGW London Gatwick-ORD Chicago O'Hare Intl

26h 35m2 stops Stockholm Arlanda Kastrup Copenhagen

£547Multiple Airlines

Sun, 6 Dec - Thu, 10 Dec

19:10 - 13:25ORD Chicago O'Hare Intl-LGW London Gatwick

12h 15m1 stop Kastrup Copenhagen

07:00 - 16:45LGW London Gatwick-ORD Chicago O'Hare Intl

15h 45m1 stop Kastrup Copenhagen

£548Multiple Airlines

Thu, 26 Nov - Thu, 3 Dec

19:30 - 10:55ORD Chicago O'Hare Intl-LGW London Gatwick

10h 25m1 stop Reykjavik Keflavik Intl

11:55 - 17:20LGW London Gatwick-ORD Chicago O'Hare Intl

11h 25m1 stop Reykjavik Keflavik Intl

£549Icelandair

Thu, 29 Oct - Fri, 13 Nov

18:30 - 17:25ORD Chicago O'Hare Intl-LGW London Gatwick

16h 55m1 stop Reykjavik Keflavik Intl

08:20 - 17:20LGW London Gatwick-ORD Chicago O'Hare Intl

15h 00m1 stop Reykjavik Keflavik Intl

£549Multiple Airlines

Wed, 16 Dec - Wed, 23 Dec

18:30 - 10:55ORD Chicago O'Hare Intl-LGW London Gatwick

10h 25m1 stop Reykjavik Keflavik Intl

11:55 - 17:20LGW London Gatwick-ORD Chicago O'Hare Intl

11h 25m1 stop Reykjavik Keflavik Intl

£550Icelandair

Sun, 8 Nov - Wed, 18 Nov

20:10 - 08:35ORD Chicago O'Hare Intl-LGW London Gatwick

31h 25m2 stops Kastrup Copenhagen Oslo Gardermoen

07:00 - 16:45LGW London Gatwick-ORD Chicago O'Hare Intl

15h 45m1 stop Kastrup Copenhagen

£551Multiple Airlines

Fri, 30 Oct - Wed, 4 Nov

18:30 - 10:55ORD Chicago O'Hare Intl-LGW London Gatwick

10h 25m1 stop Reykjavik Keflavik Intl

11:55 - 17:20LGW London Gatwick-ORD Chicago O'Hare Intl

11h 25m1 stop Reykjavik Keflavik Intl

£552Icelandair

Tue, 3 Nov - Wed, 11 Nov

19:10 - 13:25ORD Chicago O'Hare Intl-LGW London Gatwick

12h 15m1 stop Kastrup Copenhagen

07:00 - 17:45LGW London Gatwick-ORD Chicago O'Hare Intl

15h 45m1 stop Kastrup Copenhagen

£552Multiple Airlines

Thu, 11 Mar - Thu, 18 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

18:05 - 09:45ORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

16:35 - 15:30LGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m1 stop Lisbon Humberto Delgado

£546TAP AIR PORTUGAL

Sat, 3 Oct - Tue, 24 Nov

18:00 - 09:45ORD Chicago O'Hare Intl-LGW London Gatwick

33h 45m1 stop Lisbon Humberto Delgado

16:25 - 12:40LGW London Gatwick-ORD Chicago O'Hare Intl

26h 15m1 stop Lisbon Humberto Delgado

£546TAP AIR PORTUGAL

Sun, 4 Oct - Wed, 14 Oct

18:05 - 09:45ORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

16:35 - 15:30LGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m1 stop Lisbon Humberto Delgado

£550TAP AIR PORTUGAL

Sat, 3 Oct - Tue, 24 Nov

18:05 - 09:45ORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

16:35 - 15:30LGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m1 stop Lisbon Humberto Delgado

£573TAP AIR PORTUGAL

Sat, 3 Oct - Tue, 3 Nov

18:05 - 09:45ORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

21:20 - 15:30LGW London Gatwick-ORD Chicago O'Hare Intl

24h 10m2 stops Porto Lisbon Humberto Delgado

£578TAP AIR PORTUGAL

Sat, 3 Oct - Tue, 24 Nov

18:05 - 09:45ORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

21:20 - 15:30LGW London Gatwick-ORD Chicago O'Hare Intl

24h 10m2 stops Porto Lisbon Humberto Delgado

£599TAP AIR PORTUGAL

Sat, 3 Oct - Tue, 24 Nov

18:05 - 09:45ORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

16:35 - 15:30LGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m1 stop Lisbon Humberto Delgado

£605TAP AIR PORTUGAL

Sat, 3 Oct - Tue, 24 Nov

17:44 - 20:00ORD Chicago O'Hare Intl-LGW London Gatwick

44h 16m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

07:00 - 16:45LGW London Gatwick-ORD Chicago O'Hare Intl

15h 45m1 stop Kastrup Copenhagen

£612Multiple Airlines

Sat, 3 Oct - Wed, 4 Nov

18:00 - 11:20ORD Chicago O'Hare Intl-LGW London Gatwick

35h 20m2 stops Lisbon Humberto Delgado Porto

16:25 - 12:40LGW London Gatwick-ORD Chicago O'Hare Intl

26h 15m1 stop Lisbon Humberto Delgado

£614TAP AIR PORTUGAL

Sun, 4 Oct - Wed, 21 Oct

18:00 - 15:10ORD Chicago O'Hare Intl-LGW London Gatwick

15h 10m1 stop Lisbon Humberto Delgado

16:25 - 12:40LGW London Gatwick-ORD Chicago O'Hare Intl

26h 15m1 stop Lisbon Humberto Delgado

£619TAP AIR PORTUGAL

Sun, 4 Oct - Wed, 21 Oct

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Icelandair flights from Illinois to London Gatwick Airport

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

Icelandair

29 Oct

ORD19:30Chicago O'Hare Intl

10h 25m

1 stop

LGW10:55London Gatwick

13 Nov

LGW11:55London Gatwick

11h 25m

1 stop

ORD17:20Chicago O'Hare Intl

£549

Icelandair

8 Nov

ORD18:30Chicago O'Hare Intl

10h 25m

1 stop

LGW10:55London Gatwick

18 Nov

LGW11:55London Gatwick

11h 25m

1 stop

ORD17:20Chicago O'Hare Intl

£550

Icelandair

3 Nov

ORD18:30Chicago O'Hare Intl

10h 25m

1 stop

LGW10:55London Gatwick

11 Nov

LGW11:55London Gatwick

11h 25m

1 stop

ORD17:20Chicago O'Hare Intl

£552

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

22 Oct

ORD18:00Chicago O'Hare Intl

33h 45m

1 stop

LGW09:45London Gatwick

29 Oct

LGW16:00London Gatwick

29h 30m

1 stop

ORD16:30Chicago O'Hare Intl

£546

TAP AIR PORTUGAL

4 Oct

ORD18:00Chicago O'Hare Intl

33h 45m

1 stop

LGW09:45London Gatwick

14 Oct

LGW16:25London Gatwick

26h 15m

1 stop

ORD12:40Chicago O'Hare Intl

£546

TAP AIR PORTUGAL

3 Oct

ORD18:05Chicago O'Hare Intl

33h 40m

1 stop

LGW09:45London Gatwick

24 Nov

LGW16:35London Gatwick

28h 55m

1 stop

ORD15:30Chicago O'Hare Intl

£550

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

Cheapest return flight

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Thu 22/10

18:00-09:45

1 stop33h 45m

London Gatwick

Thu 29/10

16:00-16:30

1 stop29h 30m

£546

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sat 13/3

19:10-20:25

1 stop19h 15m

London Gatwick

Thu 18/3

07:00-17:45

1 stop15h 45m

£546

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sun 6/12

19:10-18:50

1 stop17h 40m

London Gatwick

Thu 10/12

20:10-16:45

2 stops26h 35m

£547

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Thu 26/11

19:10-13:25

1 stop12h 15m

London Gatwick

Thu 3/12

07:00-16:45

1 stop15h 45m

£548

Fastest return journey

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Thu 29/10

19:30-10:55

1 stop10h 25m

London Gatwick

Fri 13/11

11:55-17:20

1 stop11h 25m

£549

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 16/12

18:30-17:25

1 stop16h 55m

London Gatwick

Wed 23/12

08:20-17:20

1 stop15h 00m

£549

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sun 8/11

18:30-10:55

1 stop10h 25m

London Gatwick

Wed 18/11

11:55-17:20

1 stop11h 25m

£550

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Fri 30/10

20:10-08:35

2 stops31h 25m

London Gatwick

Wed 4/11

07:00-16:45

1 stop15h 45m

£551

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 3/11

18:30-10:55

1 stop10h 25m

London Gatwick

Wed 11/11

11:55-17:20

1 stop11h 25m

£552

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Thu 11/3

19:10-13:25

1 stop12h 15m

London Gatwick

Thu 18/3

07:00-17:45

1 stop15h 45m

£552

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 September. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in September, then you should wait until June to fly from Illinois, when ticket prices are also cheap, with an average price of £47.

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

Best price found	£234
Fastest flight time	10h 25m
Direct flights	None

The best one-way flight to London Gatwick Airport from Illinois in the past 72 hours is £234. The best return flight deal from Illinois to London Gatwick Airport found on momondo in the last 72 hours is £546.

The fastest flight from Illinois to London Gatwick Airport takes 10h 25m

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

Frequently asked questions about flying from Illinois to London Gatwick Airport

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

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Colchester

Guildford

Harlow

Chelmsford

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.

An easier way to manage your London Gatwick Airport trip

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Cheap flights from Illinois to London from £234

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to London departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Icelandair flights from Illinois to London Gatwick Airport

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

TAP AIR PORTUGAL flights from Illinois to London Gatwick Airport

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

momondo Fare Finder

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

See travel insights to London from

How to get the cheapest flight ticket from Illinois to London Gatwick Airport

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

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

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

Cheap Illinois to London Gatwick Airport flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Illinois to London Gatwick Airport

Travelling to a place near London?

Why use momondo?

An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

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Illinois flight routes

According to popular flight searches on momondo this year

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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