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

KLM, TAP AIR PORTUGAL, and Delta 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 Moline and into London Heathrow Airport, then the flight time is around 13h 04m.

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

Prices for flights from Illinois to London Gatwick Airport were last updated today.

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

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

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

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 Illinois to London Gatwick Airport.

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

The travel and health documents you'll need for your trip to London Gatwick Airport 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 London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$304 Cheap Flights from Illinois to London Gatwick Airport in 2026/27

Find the cheapest flights from Illinois to London

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One-way

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Cheap round-trip flights

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6:30 pm - 10:55 amORD Chicago O'Hare Intl-LGW London Gatwick

10h 25m1 stop Reykjavik Keflavik Intl

11:55 am - 5:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

11h 25m1 stop Reykjavik Keflavik Intl

$722Icelandair

Sun, Nov 8 - Wed, Nov 18

6:00 pm - 9:45 amORD Chicago O'Hare Intl-LGW London Gatwick

33h 45m1 stop Lisbon Humberto Delgado

4:00 pm - 4:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

29h 30m1 stop Lisbon Humberto Delgado

$722TAP AIR PORTUGAL

Thu, Oct 22 - Thu, Oct 29

8:10 pm - 3:45 pmORD Chicago O'Hare Intl-LGW London Gatwick

13h 35m1 stop Lisbon Humberto Delgado

10:40 am - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

34h 50m1 stop Lisbon Humberto Delgado

$722TAP AIR PORTUGAL

Fri, Nov 6 - Tue, Nov 17

7:00 pm - 3:05 pmORD Chicago O'Hare Intl-LGW London Gatwick

14h 05m1 stop Lisbon Humberto Delgado

4:35 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m1 stop Lisbon Humberto Delgado

$722TAP AIR PORTUGAL

Wed, Feb 10 - Sat, Feb 27

6:30 pm - 3:40 pmORD Chicago O'Hare Intl-LGW London Gatwick

15h 10m1 stop Reykjavik Keflavik Intl

8:20 am - 5:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

15h 00m1 stop Reykjavik Keflavik Intl

$722Multiple Airlines

Tue, Dec 1 - Wed, Dec 9

8:10 pm - 3:45 pmORD Chicago O'Hare Intl-LGW London Gatwick

13h 35m1 stop Lisbon Humberto Delgado

4:35 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m1 stop Lisbon Humberto Delgado

$722TAP AIR PORTUGAL

Fri, Mar 5 - Sat, Mar 13

7:00 pm - 3:05 pmORD Chicago O'Hare Intl-LGW London Gatwick

14h 05m1 stop Lisbon Humberto Delgado

10:40 am - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

34h 50m1 stop Lisbon Humberto Delgado

$722TAP AIR PORTUGAL

Wed, Nov 4 - Tue, Nov 17

8:10 pm - 3:45 pmORD Chicago O'Hare Intl-LGW London Gatwick

13h 35m1 stop Lisbon Humberto Delgado

4:35 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m1 stop Lisbon Humberto Delgado

$723TAP AIR PORTUGAL

Sun, Mar 7 - Sat, Mar 13

7:00 pm - 3:05 pmORD Chicago O'Hare Intl-LGW London Gatwick

14h 05m1 stop Lisbon Humberto Delgado

10:40 am - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

34h 50m1 stop Lisbon Humberto Delgado

$723TAP AIR PORTUGAL

Wed, Nov 11 - Tue, Nov 17

6:30 pm - 10:55 amORD Chicago O'Hare Intl-LGW London Gatwick

10h 25m1 stop Reykjavik Keflavik Intl

11:55 am - 5:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

11h 25m1 stop Reykjavik Keflavik Intl

$726Icelandair

Tue, Nov 10 - Fri, Nov 20

Cheap last minute flights

Enter your travel dates to find the best prices.

6:05 pm - 9:45 amORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

4:35 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m1 stop Lisbon Humberto Delgado

$722TAP AIR PORTUGAL

Sat, Oct 3 - Tue, Nov 24

6:05 pm - 9:45 amORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

4:35 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m1 stop Lisbon Humberto Delgado

$728TAP AIR PORTUGAL

Sat, Oct 3 - Tue, Nov 24

6:05 pm - 9:45 amORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

4:35 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m1 stop Lisbon Humberto Delgado

$730TAP AIR PORTUGAL

Sat, Oct 3 - Tue, Nov 24

6:05 pm - 9:45 amORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

4:35 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m1 stop Lisbon Humberto Delgado

$731TAP AIR PORTUGAL

Sat, Oct 3 - Tue, Nov 24

2:20 pm - 5:50 pmORD Chicago O'Hare Intl-LGW London Gatwick

21h 30m1 stop Zurich

6:35 pm - 3:55 pmLGW London Gatwick-ORD Chicago O'Hare Intl

27h 20m1 stop Zurich

$755SWISS

Sun, Oct 4 - Tue, Oct 13

6:05 pm - 9:45 amORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

9:20 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

24h 10m2 stops Porto Lisbon Humberto Delgado

$765TAP AIR PORTUGAL

Sat, Oct 3 - Tue, Nov 24

2:20 pm - 12:15 pmORD Chicago O'Hare Intl-LGW London Gatwick

15h 55m2 stops Zurich Barcelona-El Prat

1:40 pm - 12:35 pmLGW London Gatwick-ORD Chicago O'Hare Intl

28h 55m2 stops Barcelona-El Prat Zurich

$779Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

6:05 pm - 9:45 amORD Chicago O'Hare Intl-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

9:20 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

24h 10m2 stops Porto Lisbon Humberto Delgado

$793TAP AIR PORTUGAL

Sat, Oct 3 - Tue, Nov 24

7:25 pm - 2:40 pmORD Chicago O'Hare Intl-LGW London Gatwick

13h 15m1 stop Reykjavik Keflavik Intl

3:40 pm - 9:25 pmLGW London Gatwick-ORD Chicago O'Hare Intl

11h 45m1 stop Reykjavik Keflavik Intl

$1,164Icelandair

Fri, Oct 2 - Fri, Oct 9

7:25 pm - 2:40 pmORD Chicago O'Hare Intl-LGW London Gatwick

13h 15m1 stop Reykjavik Keflavik Intl

3:40 pm - 6:15 pmLGW London Gatwick-ORD Chicago O'Hare Intl

32h 35m1 stop Reykjavik Keflavik Intl

$1,222Icelandair

Tue, Sep 29 - Thu, Oct 1

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SWISS flights from Illinois to London Gatwick Airport

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

SWISS

Oct 8

ORD7:05 pmChicago O'Hare Intl

16h 45m

1 stop

LGW5:50 pmLondon Gatwick

Oct 14

LGW9:25 amLondon Gatwick

12h 30m

1 stop

ORD3:55 pmChicago O'Hare Intl

$721

SWISS

Nov 3

ORD6:50 pmChicago O'Hare Intl

17h 00m

1 stop

LGW5:50 pmLondon Gatwick

Nov 10

LGW8:40 amLondon Gatwick

13h 35m

1 stop

ORD4:15 pmChicago O'Hare Intl

$734

SWISS

Oct 14

ORD7:05 pmChicago O'Hare Intl

16h 45m

1 stop

LGW5:50 pmLondon Gatwick

Oct 20

LGW6:35 pmLondon Gatwick

24h 00m

1 stop

ORD12:35 pmChicago O'Hare Intl

$735

Delta flights from Illinois to London Gatwick Airport

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

Delta

Nov 4

ORD6:25 pmChicago O'Hare Intl

15h 20m

1 stop

LGW3:45 pmLondon Gatwick

Nov 12

LGW10:00 amLondon Gatwick

12h 15m

1 stop

ORD4:15 pmChicago O'Hare Intl

$741

Delta

Oct 25

ORD7:25 pmChicago O'Hare Intl

15h 20m

1 stop

LGW3:45 pmLondon Gatwick

Nov 9

LGW10:00 amLondon Gatwick

36h 48m

2 stops

ORD4:48 pmChicago O'Hare Intl

$759

Delta

Nov 12

MLI11:05 amMoline Quad-City

15h 55m

2 stops

LGW9:00 amLondon Gatwick

Nov 19

LGW10:00 amLondon Gatwick

19h 08m

2 stops

MLI11:08 pmMoline Quad-City

$943

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 round-trip

Quickest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sun 11/8

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Wed 11/18

11:55 am-5:20 pm

1 stop11h 25m

$722

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Thu 10/22

6:00 pm-9:45 am

1 stop33h 45m

London Gatwick

Thu 10/29

4:00 pm-4:30 pm

1 stop29h 30m

$722

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Fri 11/6

8:10 pm-3:45 pm

1 stop13h 35m

London Gatwick

Tue 11/17

10:40 am-3:30 pm

1 stop34h 50m

$722

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 2/10

7:00 pm-3:05 pm

1 stop14h 05m

London Gatwick

Sat 2/27

4:35 pm-3:30 pm

1 stop28h 55m

$722

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 12/1

6:30 pm-3:40 pm

1 stop15h 10m

London Gatwick

Wed 12/9

8:20 am-5:20 pm

1 stop15h 00m

$722

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Fri 3/5

8:10 pm-3:45 pm

1 stop13h 35m

London Gatwick

Sat 3/13

4:35 pm-3:30 pm

1 stop28h 55m

$722

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 11/4

7:00 pm-3:05 pm

1 stop14h 05m

London Gatwick

Tue 11/17

10:40 am-3:30 pm

1 stop34h 50m

$722

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sun 3/7

8:10 pm-3:45 pm

1 stop13h 35m

London Gatwick

Sat 3/13

4:35 pm-3:30 pm

1 stop28h 55m

$723

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 11/11

7:00 pm-3:05 pm

1 stop14h 05m

London Gatwick

Tue 11/17

10:40 am-3:30 pm

1 stop34h 50m

$723

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 11/10

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Fri 11/20

11:55 am-5:20 pm

1 stop11h 25m

$726

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 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?

In general, September is the cheapest month to fly from Illinois to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit London Gatwick Airport during the month of September, then departing from Illinois during the month June is also very affordable. Most momondo users find prices during this month for around $62.

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

You could potentially save up to 5% on your flight if you consider stops on a Illinois to London Gatwick Airport flight.

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	$304
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 $304. The best round-trip flight deal from Illinois to London Gatwick Airport found on momondo in the last 72 hours is $722.

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 were last updated today.
How many operators does momondo search for flights from Illinois to London Gatwick Airport?
As of September 2026, there is 1 operator available to choose from for flights from Illinois to London Gatwick Airport.
How old do you have to be to fly from Illinois to London Gatwick Airport?
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 Illinois to London Gatwick Airport.
What documentation or ID do you need to fly to London Gatwick Airport?
The travel and health documents you'll need for your trip to London Gatwick Airport 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 London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to London Gatwick Airport

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $430	Free Cancellation	Rating 6.9 753 reviews		Search Icelandair flights

Hounslow

Gatwick

Milton Keynes

Croydon

Luton

Hayes

Dover

Wembley

Kingston upon Thames

Richmond

Stansted

Watford

Harrow

Cobham

Worthing

Eastbourne

Slough

Hook

Uxbridge

Ilford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to London. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to London from Illinois which offer a flexible booking policy as well as other useful filters and features.

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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Popular cities in the United Kingdom

Flights to London Heathrow Airportfrom $484

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Flights to London City Airportfrom $593

Flights to London Luton Airportfrom $467

Flights to Glasgow Intl Airportfrom $592

Flights to London Southend Airportfrom $676

Flights to Belfast Intl Airportfrom $711

Flights to Belfast City Airportfrom $678

Cheap flights from Illinois to London from $304

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 11/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Illinois to London

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SWISS flights from Illinois to London Gatwick Airport

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

Delta flights from Illinois to London Gatwick Airport

Our best Delta 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?

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

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

Best airlines flying from Illinois to London Gatwick Airport

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

Traveling 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, organize 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

Popular flights according to clicks in the last 7 days on momondo

Illinois flight routes

According to popular flight searches on momondo this year

London Gatwick Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

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

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year