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

On average, it takes 9h 30m 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 17m.

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

Icelandair and Delta are the most popular carriers operating from Illinois to London Gatwick

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 March 2026, there are 3 operators 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.

$272 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 round-trip flights

Enter your travel dates to find the best prices.

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

3:40 pm - 6:15 pm

LGW

ORD

32h 35m

1 stop

$573Icelandair

Mon, Apr 13 - Mon, Apr 20

10:25 pm - 2:40 pm

ORD

LGW

10h 15m

1 stop

3:40 pm - 9:25 pm

LGW

ORD

11h 45m

1 stop

$575Icelandair

Sun, Apr 19 - Sun, May 10

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

3:40 pm - 6:15 pm

LGW

ORD

32h 35m

1 stop

$576Icelandair

Tue, Apr 28 - Mon, May 4

7:25 pm - 2:40 pm

ORD

LGW

13h 15m

1 stop

3:40 pm - 9:25 pm

LGW

ORD

11h 45m

1 stop

$579Icelandair

Sat, Apr 25 - Sun, May 10

10:25 pm - 2:40 pm

ORD

LGW

10h 15m

1 stop

3:40 pm - 9:25 pm

LGW

ORD

11h 45m

1 stop

$581Icelandair

Fri, Apr 24 - Wed, May 6

6:00 pm - 3:10 pm

ORD

LGW

15h 10m

1 stop

4:25 pm - 4:00 pm

LGW

ORD

29h 35m

1 stop

$588TAP AIR PORTUGAL

Sun, Apr 12 - Tue, Apr 28

11:19 am - 10:00 am

MDW

LGW

17h 41m

1 stop

2:00 pm - 8:04 am

LGW

MDW

24h 04m

1 stop

$652Multiple Airlines

Wed, Mar 25 - Wed, Apr 15

4:33 pm - 10:00 am

MDW

LGW

35h 27m

1 stop

2:00 pm - 8:07 pm

LGW

MDW

36h 07m

2 stops

$664Multiple Airlines

Tue, Mar 31 - Mon, Apr 6

5:00 pm - 4:00 pm

MLI

LGW

17h 00m

2 stops

10:25 am - 10:30 pm

LGW

MLI

18h 05m

2 stops

$987Delta

Thu, Aug 6 - Sat, Aug 22

5:14 pm - 4:00 pm

MLI

LGW

16h 46m

2 stops

10:25 am - 10:30 pm

LGW

MLI

18h 05m

2 stops

$1,058Delta

Wed, Apr 1 - Wed, Apr 8

Icelandair flights from Illinois to London Gatwick Airport

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

Icelandair

Apr 13

ORD7:25 pmChicago O'Hare Intl

13h 15m

1 stop

LGW2:40 pmLondon Gatwick

Apr 20

LGW3:40 pmLondon Gatwick

32h 35m

1 stop

ORD6:15 pmChicago O'Hare Intl

$573

Icelandair

Apr 19

ORD10:25 pmChicago O'Hare Intl

10h 15m

1 stop

LGW2:40 pmLondon Gatwick

May 10

LGW3:40 pmLondon Gatwick

11h 45m

1 stop

ORD9:25 pmChicago O'Hare Intl

$575

Icelandair

Apr 28

ORD7:25 pmChicago O'Hare Intl

13h 15m

1 stop

LGW2:40 pmLondon Gatwick

May 4

LGW3:40 pmLondon Gatwick

32h 35m

1 stop

ORD6:15 pmChicago O'Hare Intl

$576

Delta flights from Illinois to London Gatwick Airport

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

Delta

Apr 8

STL6:29 amLambert-St Louis

20h 56m

2 stops

LGW9:25 amLondon Gatwick

Apr 15

LGW10:25 amLondon Gatwick

16h 54m

2 stops

STL9:19 pmLambert-St Louis

$735

Delta

Aug 6

MLI5:00 pmMoline Quad-City

17h 00m

2 stops

LGW4:00 pmLondon Gatwick

Aug 22

LGW10:25 amLondon Gatwick

18h 05m

2 stops

MLI10:30 pmMoline Quad-City

$987

Delta

Apr 1

MLI5:14 pmMoline Quad-City

16h 46m

2 stops

LGW4:00 pmLondon Gatwick

Apr 8

LGW10:25 amLondon Gatwick

18h 05m

2 stops

MLI10:30 pmMoline Quad-City

$1,058

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

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 4/13

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Mon 4/20

3:40 pm-6:15 pm

1 stop32h 35m

$573

Quickest round-trip

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 4/19

10:25 pm-2:40 pm

1 stop10h 15m

London Gatwick

Sun 5/10

3:40 pm-9:25 pm

1 stop11h 45m

$575

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 4/28

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Mon 5/4

3:40 pm-6:15 pm

1 stop32h 35m

$576

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 4/25

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Sun 5/10

3:40 pm-9:25 pm

1 stop11h 45m

$579

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 4/24

10:25 pm-2:40 pm

1 stop10h 15m

London Gatwick

Wed 5/6

3:40 pm-9:25 pm

1 stop11h 45m

$581

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 4/12

6:00 pm-3:10 pm

1 stop15h 10m

London Gatwick

Tue 4/28

4:25 pm-4:00 pm

1 stop29h 35m

$588

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Wed 3/25

11:19 am-10:00 am

1 stop17h 41m

London Gatwick

Wed 4/15

2:00 pm-8:04 am

1 stop24h 04m

$652

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Tue 3/31

4:33 pm-10:00 am

1 stop35h 27m

London Gatwick

Mon 4/6

2:00 pm-8:07 pm

2 stops36h 07m

$664

MolineLondon

MLI - LGW

MLILGW

Moline Quad-City

Thu 8/6

5:00 pm-4:00 pm

2 stops17h 00m

London Gatwick

Sat 8/22

10:25 am-10:30 pm

2 stops18h 05m

$987

MolineLondon

MLI - LGW

MLILGW

Moline Quad-City

Wed 4/1

5:14 pm-4:00 pm

2 stops16h 46m

London Gatwick

Wed 4/8

10:25 am-10:30 pm

2 stops18h 05m

$1,058

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

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

You could potentially save up to 3% 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

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 were last updated today.
How many operators does momondo search for flights from Illinois to London Gatwick Airport?
As of March 2026, there are 3 operators 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 $467	Free Cancellation	Rating 7.1 620 reviews		Search Icelandair flights
Delta	PriceFrom $712	Free Cancellation	Rating 7.9 8,288 reviews		Search Delta flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Hayes

Wembley

Dartford

Croydon

Brentwood

Harrow

Watford

Guildford

Stansted

Cobham

Folkestone

Romford

Richmond

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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Cheap flights from Illinois to London from $272

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 3/28. 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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Cheap round-trip flights

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Icelandair flights from Illinois to London Gatwick Airport

Our best Icelandair 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

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

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

Fastest flight time

Direct flights

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

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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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