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

SWISS, Delta, and British Airways 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.

$475 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 - 6:15 pmLGW London Gatwick-ORD Chicago O'Hare Intl

32h 35m1 stop Reykjavik Keflavik Intl

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

10h 25m1 stop Reykjavik Keflavik Intl

$717Icelandair

Wed, Oct 21 - Sat, Nov 7

3:35 pm - 2:25 pmLGW London Gatwick-ORD Chicago O'Hare Intl

28h 50m2 stops Barcelona-El Prat Amsterdam Schiphol

6:25 pm - 9:05 pmORD Chicago O'Hare Intl-LGW London Gatwick

20h 40m2 stops Paris Charles de Gaulle Barcelona-El Prat

$718Multiple Airlines

Sat, Nov 7 - Sat, Nov 14

9:00 pm - 7:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

27h 20m2 stops Barcelona-El Prat Dublin

3:55 pm - 11:40 pmORD Chicago O'Hare Intl-LGW London Gatwick

25h 45m2 stops Dublin Barcelona-El Prat

$719Multiple Airlines

Thu, Oct 29 - Thu, Nov 5

12:40 pm - 7:15 pmLGW London Gatwick-ORD Chicago O'Hare Intl

12h 35m1 stop Dublin

4:55 pm - 8:30 amORD Chicago O'Hare Intl-LGW London Gatwick

10h 35m1 stop Dublin

$719Multiple Airlines

Mon, Oct 19 - Thu, Oct 29

8:30 am - 4:15 pmLGW London Gatwick-ORD Chicago O'Hare Intl

13h 45m1 stop Zurich

6:50 pm - 5:50 pmORD Chicago O'Hare Intl-LGW London Gatwick

17h 00m1 stop Zurich

$721SWISS

Thu, Feb 18 - Tue, Feb 23

11:55 am - 8:46 amLGW London Gatwick-ORD Chicago O'Hare Intl

25h 51m2 stops Reykjavik Keflavik Intl Orlando

7:28 pm - 10:55 amORD Chicago O'Hare Intl-LGW London Gatwick

33h 27m3 stops Atlanta Hartsfield-Jackson Orlando Reykjavik Keflavik Intl

$723Multiple Airlines

Fri, Oct 30 - Wed, Nov 11

8:15 am - 5:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

15h 05m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

6:30 pm - 3:05 pmORD Chicago O'Hare Intl-LGW London Gatwick

14h 35m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

$723Multiple Airlines

Fri, Nov 6 - Fri, Nov 13

8:30 am - 7:58 pmLGW London Gatwick-ORD Chicago O'Hare Intl

17h 28m2 stops Zurich Toronto Pearson Intl

7:20 am - 7:50 amORD Chicago O'Hare Intl-LGW London Gatwick

18h 30m3 stops Toronto Island Montreal Pierre Elliott Trudeau Intl Zurich

$723Multiple Airlines

Thu, Dec 3 - Tue, Dec 8

7:00 am - 4:45 pmLGW London Gatwick-ORD Chicago O'Hare Intl

15h 45m1 stop Kastrup Copenhagen

7:15 pm - 1:25 pmORD Chicago O'Hare Intl-LGW London Gatwick

12h 10m1 stop Kastrup Copenhagen

$723Multiple Airlines

Mon, Dec 7 - Sun, Dec 13

9:30 pm - 2:55 pmLGW London Gatwick-ORD Chicago O'Hare Intl

23h 25m2 stops Dublin Madrid Barajas

8:05 pm - 5:20 pmORD Chicago O'Hare Intl-LGW London Gatwick

15h 15m1 stop Dublin

$724Multiple Airlines

Mon, Nov 2 - Mon, Nov 16

Cheap last minute flights

Enter your travel dates to find the best prices.

9:20 pm - 4:00 pmLGW London Gatwick-ORD Chicago O'Hare Intl

24h 40m2 stops Porto Lisbon Humberto Delgado

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

33h 45m1 stop Lisbon Humberto Delgado

$753TAP AIR PORTUGAL

Thu, Sep 24 - Thu, Oct 15

12:20 pm - 3:54 pmLGW London Gatwick-ORD Chicago O'Hare Intl

33h 34m1 stop Tampa

7:00 pm - 8:40 amORD Chicago O'Hare Intl-LGW London Gatwick

31h 40m1 stop Tampa

$771American Airlines

Tue, Sep 29 - Sun, Oct 4

12:20 pm - 3:54 pmLGW London Gatwick-ORD Chicago O'Hare Intl

33h 34m1 stop Tampa

7:00 pm - 8:45 amORD Chicago O'Hare Intl-LGW London Gatwick

31h 45m1 stop Tampa

$771British Airways

Tue, Sep 29 - Sat, Oct 3

9:20 pm - 4:00 pmLGW London Gatwick-ORD Chicago O'Hare Intl

24h 40m2 stops Porto Lisbon Humberto Delgado

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

33h 45m1 stop Lisbon Humberto Delgado

$777TAP AIR PORTUGAL

Thu, Sep 24 - Sun, Sep 27

9:20 pm - 4:00 pmLGW London Gatwick-ORD Chicago O'Hare Intl

24h 40m2 stops Porto Lisbon Humberto Delgado

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

33h 45m1 stop Lisbon Humberto Delgado

$787TAP AIR PORTUGAL

Thu, Sep 24 - Sun, Sep 27

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

$794Icelandair

Fri, Sep 25 - Wed, Oct 14

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

$795Icelandair

Fri, Sep 25 - Thu, Oct 15

10:35 am - 4:00 pmLGW London Gatwick-ORD Chicago O'Hare Intl

35h 25m1 stop Lisbon Humberto Delgado

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

33h 45m1 stop Lisbon Humberto Delgado

$795TAP AIR PORTUGAL

Thu, Sep 24 - Thu, Oct 15

10:35 am - 4:00 pmLGW London Gatwick-ORD Chicago O'Hare Intl

35h 25m1 stop Lisbon Humberto Delgado

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

33h 45m1 stop Lisbon Humberto Delgado

$799TAP AIR PORTUGAL

Thu, Sep 24 - Sun, Sep 27

10:35 am - 4:00 pmLGW London Gatwick-ORD Chicago O'Hare Intl

35h 25m1 stop Lisbon Humberto Delgado

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

33h 45m1 stop Lisbon Humberto Delgado

$803TAP AIR PORTUGAL

Thu, Sep 24 - Sun, Sep 27

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Icelandair flights from London Gatwick Airport to Illinois

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

Icelandair

Oct 21

LGW3:40 pmLondon Gatwick

32h 35m

1 stop

ORD6:15 pmChicago O'Hare Intl

Nov 7

ORD6:30 pmChicago O'Hare Intl

10h 25m

1 stop

LGW10:55 amLondon Gatwick

$717

Icelandair

Dec 17

LGW11:55 amLondon Gatwick

11h 25m

1 stop

ORD5:20 pmChicago O'Hare Intl

Dec 27

ORD6:30 pmChicago O'Hare Intl

10h 25m

1 stop

LGW10:55 amLondon Gatwick

$729

Icelandair

Oct 14

LGW3:40 pmLondon Gatwick

11h 45m

1 stop

ORD9:25 pmChicago O'Hare Intl

Nov 24

ORD6:30 pmChicago O'Hare Intl

10h 25m

1 stop

LGW10:55 amLondon Gatwick

$766

Iberia flights from London Gatwick Airport to Illinois

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

Iberia

Nov 16

LGW11:15 amLondon Gatwick

16h 40m

1 stop

ORD9:55 pmChicago O'Hare Intl

Nov 23

ORD5:40 pmChicago O'Hare Intl

19h 20m

1 stop

LGW7:00 pmLondon Gatwick

$742

Iberia

Sep 30

LGW8:40 pmLondon Gatwick

23h 45m

1 stop

ORD2:25 pmChicago O'Hare Intl

Oct 13

ORD4:55 pmChicago O'Hare Intl

11h 55m

1 stop

LGW10:50 amLondon Gatwick

$767

Iberia

Sep 30

LGW8:40 pmLondon Gatwick

23h 45m

1 stop

ORD2:25 pmChicago O'Hare Intl

Oct 5

ORD4:55 pmChicago O'Hare Intl

21h 05m

1 stop

LGW8:00 pmLondon Gatwick

$797

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

Wed 10/21

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Sat 11/7

6:30 pm-10:55 am

1 stop10h 25m

$717

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Sat 11/7

3:35 pm-2:25 pm

2 stops28h 50m

Chicago O'Hare Intl

Sat 11/14

6:25 pm-9:05 pm

2 stops20h 40m

$718

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 10/29

9:00 pm-7:20 pm

2 stops27h 20m

Chicago O'Hare Intl

Thu 11/5

3:55 pm-11:40 pm

2 stops25h 45m

$719

Quickest round-trip

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Mon 10/19

12:40 pm-7:15 pm

1 stop12h 35m

Chicago O'Hare Intl

Thu 10/29

4:55 pm-8:30 am

1 stop10h 35m

$719

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 2/18

8:30 am-4:15 pm

1 stop13h 45m

Chicago O'Hare Intl

Tue 2/23

6:50 pm-5:50 pm

1 stop17h 00m

$721

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Fri 10/30

11:55 am-8:46 am

2 stops25h 51m

Chicago O'Hare Intl

Wed 11/11

7:28 pm-10:55 am

3 stops33h 27m

$723

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Fri 11/6

8:15 am-5:20 pm

2 stops15h 05m

Chicago O'Hare Intl

Fri 11/13

6:30 pm-3:05 pm

2 stops14h 35m

$723

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 12/3

8:30 am-7:58 pm

2 stops17h 28m

Chicago O'Hare Intl

Tue 12/8

7:20 am-7:50 am

3 stops18h 30m

$723

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Mon 12/7

7:00 am-4:45 pm

1 stop15h 45m

Chicago O'Hare Intl

Sun 12/13

7:15 pm-1:25 pm

1 stop12h 10m

$723

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Mon 11/2

9:30 pm-2:55 pm

2 stops23h 25m

Chicago O'Hare Intl

Mon 11/16

8:05 pm-5:20 pm

1 stop15h 15m

$724

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 $636, 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 October is also cheap. Prices for this month can be found on momondo for an average of $642.

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

You could potentially save up to 38% 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	$475
Fastest flight time	12h 03m
Direct flights	None

The best one-way flight to Illinois from London Gatwick Airport in the past 72 hours is $475. The best round-trip flight deal from London Gatwick Airport to Illinois found on momondo in the last 72 hours is $717.

The fastest flight from London Gatwick Airport to Illinois takes 12h 03m

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.