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

Icelandair, Delta, and SWISS are the most popular carriers 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.

$430 Cheap Flights from London Gatwick Airport to Illinois in 2026

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.

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

28h 55m1 stop Lisbon Humberto Delgado

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

13h 35m1 stop Lisbon Humberto Delgado

$632TAP AIR PORTUGAL

Tue, Nov 3 - Sun, Nov 8

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

29h 30m1 stop Lisbon Humberto Delgado

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

13h 35m1 stop Lisbon Humberto Delgado

$632TAP AIR PORTUGAL

Thu, Nov 19 - Fri, Nov 27

8:50 am - 6:15 pmLGW London Gatwick-ORD Chicago O'Hare Intl

15h 25m2 stops Dublin Reykjavik Keflavik Intl

7:25 pm - 9:15 pmORD Chicago O'Hare Intl-LGW London Gatwick

19h 50m2 stops Reykjavik Keflavik Intl Dublin

$632Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

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

29h 30m1 stop Lisbon Humberto Delgado

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

13h 35m1 stop Lisbon Humberto Delgado

$635TAP AIR PORTUGAL

Thu, Nov 12 - Sun, Nov 15

10:25 am - 6:25 pmLGW London Gatwick-ORD Chicago O'Hare Intl

14h 00m1 stop Dublin

3:55 pm - 9:15 amORD Chicago O'Hare Intl-LGW London Gatwick

11h 20m1 stop Dublin

$642Multiple Airlines

Thu, Nov 12 - Mon, Nov 16

4:25 pm - 12:40 pmLGW London Gatwick-ORD Chicago O'Hare Intl

26h 15m1 stop Lisbon Humberto Delgado

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

33h 45m1 stop Lisbon Humberto Delgado

$642TAP AIR PORTUGAL

Wed, Oct 7 - Thu, Oct 15

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

28h 55m1 stop Lisbon Humberto Delgado

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

31h 40m1 stop Lisbon Humberto Delgado

$642TAP AIR PORTUGAL

Tue, Oct 27 - Sun, Nov 1

5:30 pm - 2:15 pmLGW London Gatwick-ORD Chicago O'Hare Intl

26h 45m2 stops Dublin Amsterdam Schiphol

4:15 pm - 9:15 pmORD Chicago O'Hare Intl-LGW London Gatwick

23h 00m2 stops Amsterdam Schiphol Dublin

$645Multiple Airlines

Thu, Sep 24 - Tue, Sep 29

2:50 pm - 4:00 pmLGW London Gatwick-ORD Chicago O'Hare Intl

31h 10m1 stop Lisbon Humberto Delgado

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

33h 45m1 stop Lisbon Humberto Delgado

$646TAP AIR PORTUGAL

Thu, Sep 17 - Sun, Sep 27

8:50 am - 7:15 pmLGW London Gatwick-ORD Chicago O'Hare Intl

16h 25m1 stop Dublin

3:45 pm - 10:55 amORD Chicago O'Hare Intl-LGW London Gatwick

13h 10m1 stop Dublin

$647Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

Cheap last minute flights

Enter your travel dates to find the best prices.

9:40 am - 1:21 pmLGW London Gatwick-ORD Chicago O'Hare Intl

33h 41m2 stops Ottawa Toronto Island

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

18h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl

$1,036Multiple Airlines

Sun, Aug 16 - Sat, Aug 22

2:10 pm - 6:15 pmLGW London Gatwick-ORD Chicago O'Hare Intl

34h 05m2 stops Milan Malpensa Reykjavik Keflavik Intl

7:25 pm - 8:30 amORD Chicago O'Hare Intl-LGW London Gatwick

31h 05m3 stops Reykjavik Keflavik Intl Milan Malpensa Barcelona-El Prat

$1,083Multiple Airlines

Fri, Aug 14 - Sun, Aug 16

2:10 pm - 6:15 pmLGW London Gatwick-ORD Chicago O'Hare Intl

34h 05m2 stops Milan Malpensa Reykjavik Keflavik Intl

7:25 pm - 10:05 pmORD Chicago O'Hare Intl-LGW London Gatwick

20h 40m2 stops Reykjavik Keflavik Intl Milan Malpensa

$1,097Multiple Airlines

Fri, Aug 14 - Sun, Aug 16

2:00 pm - 9:11 amLGW London Gatwick-ORD Chicago O'Hare Intl

25h 11m1 stop Orlando

7:05 am - 10:00 amORD Chicago O'Hare Intl-LGW London Gatwick

20h 55m2 stops Atlanta Hartsfield-Jackson Orlando

$1,099Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

2:00 pm - 9:11 amLGW London Gatwick-ORD Chicago O'Hare Intl

25h 11m1 stop Orlando

10:16 am - 10:00 amORD Chicago O'Hare Intl-LGW London Gatwick

17h 44m1 stop Orlando

$1,104Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

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

32h 35m1 stop Reykjavik Keflavik Intl

10:25 pm - 11:45 amORD Chicago O'Hare Intl-LGW London Gatwick

31h 20m1 stop Reykjavik Keflavik Intl

$1,110Icelandair

Fri, Aug 14 - Fri, Sep 11

9:00 am - 9:25 pmLGW London Gatwick-ORD Chicago O'Hare Intl

18h 25m2 stops Milan Malpensa Reykjavik Keflavik Intl

7:25 pm - 8:40 amORD Chicago O'Hare Intl-LGW London Gatwick

31h 15m3 stops Reykjavik Keflavik Intl Milan Malpensa Oslo Gardermoen

$1,112Multiple Airlines

Sat, Aug 15 - Sat, Aug 22

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

32h 35m1 stop Reykjavik Keflavik Intl

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

10h 15m1 stop Reykjavik Keflavik Intl

$1,127Icelandair

Fri, Aug 14 - Tue, Sep 8

8:50 pm - 6:15 pmLGW London Gatwick-ORD Chicago O'Hare Intl

27h 25m3 stops Oslo Gardermoen Stockholm Arlanda Reykjavik Keflavik Intl

7:25 pm - 8:40 amORD Chicago O'Hare Intl-LGW London Gatwick

31h 15m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Oslo Gardermoen

$1,130Multiple Airlines

Thu, Aug 13 - Mon, Aug 31

2:00 pm - 11:10 pmLGW London Gatwick-ORD Chicago O'Hare Intl

15h 10m1 stop Orlando

5:59 pm - 10:00 amORD Chicago O'Hare Intl-LGW London Gatwick

34h 01m1 stop Orlando

$1,133Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

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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

Nov 12

LGW4:00 pmLondon Gatwick

29h 30m

1 stop

ORD3:30 pmChicago O'Hare Intl

Nov 15

ORD8:10 pmChicago O'Hare Intl

13h 35m

1 stop

LGW3:45 pmLondon Gatwick

$635

TAP AIR PORTUGAL

Oct 7

LGW4:25 pmLondon Gatwick

26h 15m

1 stop

ORD12:40 pmChicago O'Hare Intl

Oct 15

ORD6:00 pmChicago O'Hare Intl

33h 45m

1 stop

LGW9:45 amLondon Gatwick

$642

TAP AIR PORTUGAL

Sep 17

LGW2:50 pmLondon Gatwick

31h 10m

1 stop

ORD4:00 pmChicago O'Hare Intl

Sep 27

ORD6:00 pmChicago O'Hare Intl

33h 45m

1 stop

LGW9:45 amLondon Gatwick

$646

Icelandair flights from London Gatwick Airport to Illinois

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

Icelandair

Oct 7

LGW3:40 pmLondon Gatwick

11h 45m

1 stop

ORD9:25 pmChicago O'Hare Intl

Oct 16

ORD10:25 pmChicago O'Hare Intl

10h 15m

1 stop

LGW2:40 pmLondon Gatwick

$651

Icelandair

Oct 7

LGW3:40 pmLondon Gatwick

11h 45m

1 stop

ORD9:25 pmChicago O'Hare Intl

Oct 14

ORD10:25 pmChicago O'Hare Intl

10h 15m

1 stop

LGW2:40 pmLondon Gatwick

$652

Icelandair

Aug 31

LGW3:40 pmLondon Gatwick

11h 45m

1 stop

ORD9:25 pmChicago O'Hare Intl

Sep 7

ORD10:25 pmChicago O'Hare Intl

10h 15m

1 stop

LGW2:40 pmLondon Gatwick

$657

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

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Tue 11/3

4:35 pm-3:30 pm

1 stop28h 55m

Chicago O'Hare Intl

Sun 11/8

8:10 pm-3:45 pm

1 stop13h 35m

$632

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 11/19

4:00 pm-3:30 pm

1 stop29h 30m

Chicago O'Hare Intl

Fri 11/27

8:10 pm-3:45 pm

1 stop13h 35m

$632

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Tue 9/1

8:50 am-6:15 pm

2 stops15h 25m

Chicago O'Hare Intl

Tue 9/8

7:25 pm-9:15 pm

2 stops19h 50m

$632

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 11/12

4:00 pm-3:30 pm

1 stop29h 30m

Chicago O'Hare Intl

Sun 11/15

8:10 pm-3:45 pm

1 stop13h 35m

$635

Quickest round-trip

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 11/12

10:25 am-6:25 pm

1 stop14h 00m

Chicago O'Hare Intl

Mon 11/16

3:55 pm-9:15 am

1 stop11h 20m

$642

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Wed 10/7

4:25 pm-12:40 pm

1 stop26h 15m

Chicago O'Hare Intl

Thu 10/15

6:00 pm-9:45 am

1 stop33h 45m

$642

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Tue 10/27

4:35 pm-4:30 pm

1 stop28h 55m

Chicago O'Hare Intl

Sun 11/1

8:10 pm-9:50 am

1 stop31h 40m

$642

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 9/24

5:30 pm-2:15 pm

2 stops26h 45m

Chicago O'Hare Intl

Tue 9/29

4:15 pm-9:15 pm

2 stops23h 00m

$645

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 9/17

2:50 pm-4:00 pm

1 stop31h 10m

Chicago O'Hare Intl

Sun 9/27

6:00 pm-9:45 am

1 stop33h 45m

$646

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Sat 9/5

8:50 am-7:15 pm

1 stop16h 25m

Chicago O'Hare Intl

Sat 9/12

3:45 pm-10:55 am

1 stop13h 10m

$647

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 September. Flight prices, which tend to average around $505, 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 September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $636.

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

You could potentially save up to 42% 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

Fastest flight time	11h 15m
Direct flights	None

The fastest flight from London Gatwick Airport to Illinois takes 11h 15m

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.