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

Delta is the most popular carrier operating from London Gatwick to Illinois

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$589 Cheap Flights from London Gatwick Airport to Illinois in 2026/27

Find the cheapest flights from London Gatwick Airport to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

11h 45m1 stop Reykjavik Keflavik Intl

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

13h 15m1 stop Reykjavik Keflavik Intl

$690Icelandair

Fri, Apr 9 - Fri, Apr 16

4:00 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

29h 30m1 stop Lisbon Humberto Delgado

8:10 pm - 8:35 pmORD Chicago O'Hare Intl-LGW London Gatwick

18h 25m2 stops Lisbon Humberto Delgado Porto

$692TAP AIR PORTUGAL

Thu, Jan 14 - Sun, Jan 17

2:40 pm - 6:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

32h 40m1 stop Reykjavik Keflavik Intl

10:25 pm - 2:40 pmORD Chicago O'Hare Intl-LGW London Gatwick

10h 15m1 stop Reykjavik Keflavik Intl

$693Icelandair

Wed, Mar 24 - Wed, Apr 14

10:00 am - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

35h 30m2 stops Madrid Barajas Lisbon Humberto Delgado

8:10 pm - 9:05 pmORD Chicago O'Hare Intl-LGW London Gatwick

18h 55m2 stops Lisbon Humberto Delgado Madrid Barajas

$697Multiple Airlines

Tue, Nov 24 - Sun, Nov 29

5:25 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

28h 05m2 stops Madrid Barajas Lisbon Humberto Delgado

8:10 pm - 9:10 amORD Chicago O'Hare Intl-LGW London Gatwick

31h 00m3 stops Lisbon Humberto Delgado Madrid Barajas Barcelona-El Prat

$701Multiple Airlines

Tue, Jan 26 - Sun, Jan 31

5:15 pm - 5:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

30h 05m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

6:30 pm - 9:45 pmORD Chicago O'Hare Intl-LGW London Gatwick

21h 15m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$702Multiple Airlines

Thu, Dec 24 - Wed, Jan 6

7:15 am - 5:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

16h 05m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

6:30 pm - 9:15 pmORD Chicago O'Hare Intl-LGW London Gatwick

20h 45m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

$702Multiple Airlines

Thu, Nov 19 - Thu, Nov 26

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

32h 35m1 stop Reykjavik Keflavik Intl

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

13h 15m1 stop Reykjavik Keflavik Intl

$703Icelandair

Thu, Apr 1 - Tue, Apr 6

8:50 am - 5:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

14h 30m2 stops Dublin Reykjavik Keflavik Intl

6:30 pm - 1:00 pmORD Chicago O'Hare Intl-LGW London Gatwick

12h 30m2 stops Reykjavik Keflavik Intl Dublin

$703Multiple Airlines

Tue, Dec 1 - Mon, Dec 7

4:00 pm - 5:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

31h 20m3 stops Kastrup Copenhagen Stockholm Arlanda Reykjavik Keflavik Intl

6:30 pm - 10:35 amORD Chicago O'Hare Intl-LGW London Gatwick

34h 05m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Kastrup Copenhagen

$704Multiple Airlines

Sun, Jan 10 - Mon, Jan 18

Cheap last minute flights

Enter your travel dates to find the best prices.

6:30 am - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

39h 00m2 stops Barcelona-El Prat Lisbon Humberto Delgado

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

10h 25m1 stop Reykjavik Keflavik Intl

$748Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

9:50 am - 8:46 amLGW London Gatwick-ORD Chicago O'Hare Intl

28h 56m1 stop Orlando

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

13h 35m1 stop Lisbon Humberto Delgado

$785Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

9:50 am - 8:46 amLGW London Gatwick-ORD Chicago O'Hare Intl

28h 56m1 stop Orlando

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

13h 35m1 stop Lisbon Humberto Delgado

$793Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

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

11h 25m1 stop Reykjavik Keflavik Intl

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

10h 25m1 stop Reykjavik Keflavik Intl

$797Icelandair

Fri, Nov 13 - Tue, Nov 17

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

28h 55m1 stop Lisbon Humberto Delgado

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

10h 25m1 stop Reykjavik Keflavik Intl

$819Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

9:50 am - 12:21 amLGW London Gatwick-ORD Chicago O'Hare Intl

20h 31m2 stops Orlando Denver Intl

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

13h 35m1 stop Lisbon Humberto Delgado

$827Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

9:50 am - 12:21 amLGW London Gatwick-ORD Chicago O'Hare Intl

20h 31m2 stops Orlando Denver Intl

8:10 pm - 9:50 amORD Chicago O'Hare Intl-LGW London Gatwick

31h 40m1 stop Lisbon Humberto Delgado

$833Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

8:05 pm - 3:30 pmLGW London Gatwick-ORD Chicago O'Hare Intl

25h 25m2 stops Geneva Geneve-Cointrin Lisbon Humberto Delgado

6:30 pm - 6:25 pmORD Chicago O'Hare Intl-LGW London Gatwick

17h 55m2 stops Reykjavik Keflavik Intl Glasgow Intl

$834Multiple Airlines

Tue, Nov 10 - Mon, Nov 23

9:50 am - 12:21 amLGW London Gatwick-ORD Chicago O'Hare Intl

20h 31m2 stops Orlando Denver Intl

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

13h 35m1 stop Lisbon Humberto Delgado

$835Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

9:50 am - 8:46 amLGW London Gatwick-ORD Chicago O'Hare Intl

28h 56m1 stop Orlando

8:10 pm - 9:50 amORD Chicago O'Hare Intl-LGW London Gatwick

31h 40m1 stop Lisbon Humberto Delgado

$841Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

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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

Jan 14

LGW4:00 pmLondon Gatwick

29h 30m

1 stop

ORD3:30 pmChicago O'Hare Intl

Jan 17

ORD8:10 pmChicago O'Hare Intl

18h 25m

2 stops

LGW8:35 pmLondon Gatwick

$692

TAP AIR PORTUGAL

Dec 12

LGW4:35 pmLondon Gatwick

28h 55m

1 stop

ORD3:30 pmChicago O'Hare Intl

Jan 10

ORD8:10 pmChicago O'Hare Intl

18h 25m

2 stops

LGW8:35 pmLondon Gatwick

$707

TAP AIR PORTUGAL

Nov 24

LGW9:20 pmLondon Gatwick

24h 10m

2 stops

ORD3:30 pmChicago O'Hare Intl

Nov 29

ORD8:10 pmChicago O'Hare Intl

31h 40m

1 stop

LGW9:50 amLondon Gatwick

$709

Icelandair flights from London Gatwick Airport to Illinois

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

Icelandair

Apr 9

LGW3:40 pmLondon Gatwick

11h 45m

1 stop

ORD9:25 pmChicago O'Hare Intl

Apr 16

ORD7:25 pmChicago O'Hare Intl

13h 15m

1 stop

LGW2:40 pmLondon Gatwick

$690

Icelandair

Mar 24

LGW2:40 pmLondon Gatwick

32h 40m

1 stop

ORD6:20 pmChicago O'Hare Intl

Apr 14

ORD10:25 pmChicago O'Hare Intl

10h 15m

1 stop

LGW2:40 pmLondon Gatwick

$693

Icelandair

Mar 31

LGW3:40 pmLondon Gatwick

11h 45m

1 stop

ORD9:25 pmChicago O'Hare Intl

Apr 5

ORD7:25 pmChicago O'Hare Intl

13h 15m

1 stop

LGW2:40 pmLondon Gatwick

$708

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

Cheapest round-trip

Quickest round-trip

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Fri 4/9

3:40 pm-9:25 pm

1 stop11h 45m

Chicago O'Hare Intl

Fri 4/16

7:25 pm-2:40 pm

1 stop13h 15m

$690

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 1/14

4:00 pm-3:30 pm

1 stop29h 30m

Chicago O'Hare Intl

Sun 1/17

8:10 pm-8:35 pm

2 stops18h 25m

$692

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Wed 3/24

2:40 pm-6:20 pm

1 stop32h 40m

Chicago O'Hare Intl

Wed 4/14

10:25 pm-2:40 pm

1 stop10h 15m

$693

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Tue 11/24

10:00 am-3:30 pm

2 stops35h 30m

Chicago O'Hare Intl

Sun 11/29

8:10 pm-9:05 pm

2 stops18h 55m

$697

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Tue 1/26

5:25 pm-3:30 pm

2 stops28h 05m

Chicago O'Hare Intl

Sun 1/31

8:10 pm-9:10 am

3 stops31h 00m

$701

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 12/24

5:15 pm-5:20 pm

2 stops30h 05m

Chicago O'Hare Intl

Wed 1/6

6:30 pm-9:45 pm

2 stops21h 15m

$702

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 11/19

7:15 am-5:20 pm

2 stops16h 05m

Chicago O'Hare Intl

Thu 11/26

6:30 pm-9:15 pm

2 stops20h 45m

$702

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 4/1

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Tue 4/6

7:25 pm-2:40 pm

1 stop13h 15m

$703

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Tue 12/1

8:50 am-5:20 pm

2 stops14h 30m

Chicago O'Hare Intl

Mon 12/7

6:30 pm-1:00 pm

2 stops12h 30m

$703

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Sun 1/10

4:00 pm-5:20 pm

3 stops31h 20m

Chicago O'Hare Intl

Mon 1/18

6:30 pm-10:35 am

3 stops34h 05m

$704

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 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 cheapest month to fly to Illinois from London Gatwick Airport is in May. Flight prices, which tend to average around $609, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $654.

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

You could potentially save up to 46% 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

Best Price Found	$589
Fastest flight time	11h 20m
Direct flights	None

The best one-way flight to Illinois from London Gatwick Airport in the past 72 hours is $589. The best round-trip flight deal from London Gatwick Airport to Illinois found on momondo in the last 72 hours is $690.

The fastest flight from London Gatwick Airport to Illinois takes 11h 20m

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

Frequently asked questions about flying from London Gatwick Airport to Illinois

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 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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 London to Illinois for you.

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

Yes. momondo enables you to select and highlight flights to Illinois from London with this policy.

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

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

Yes. momondo can track prices for London to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.