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Cheap flights from London Gatwick Airport to Illinois from $526

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Illinois departing on 1/6. 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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Find the cheapest flights from London Gatwick Airport to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
4:35 pm - 2:45 pmLGW-ORD
28h 10m1 stop
TAP AIR PORTUGAL Logo
8:15 pm - 3:45 pmORD-LGW
13h 30m1 stop
$537TAP AIR PORTUGAL
Find Deal
Sat, Jan 17 - Fri, Jan 23
Multiple Airlines Logo
2:00 pm - 11:06 pmLGW-ORD
15h 06m1 stop
Multiple Airlines Logo
6:48 am - 10:00 amORD-LGW
21h 12m1 stop
$539Multiple Airlines
Find Deal
Mon, Nov 24 - Fri, Nov 28
Multiple Airlines Logo
2:00 pm - 7:26 amLGW-ORD
23h 26m1 stop
Multiple Airlines Logo
4:22 pm - 6:00 amORD-LGW
31h 38m2 stops
$543Multiple Airlines
Find Deal
Thu, Nov 20 - Tue, Dec 2
Multiple Airlines Logo
2:00 pm - 7:26 amLGW-ORD
23h 26m1 stop
Multiple Airlines Logo
10:59 am - 6:00 amORD-LGW
13h 01m1 stop
$546Multiple Airlines
Find Deal
Thu, Nov 20 - Tue, Dec 2
Icelandair Logo
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
Icelandair Logo
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
$549Icelandair
Find Deal
Tue, Nov 18 - Tue, Nov 25
Icelandair Logo
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
Icelandair Logo
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
$550Icelandair
Find Deal
Wed, Nov 19 - Wed, Nov 26
American Airlines Logo
12:30 pm - 12:46 pmLGW-STL
30h 16m2 stops
American Airlines Logo
7:35 am - 9:00 amSTL-LGW
20h 25m2 stops
$719American Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
12:30 pm - 12:46 pmLGW-STL
30h 16m2 stops
American Airlines Logo
9:39 am - 9:00 amSTL-LGW
18h 21m2 stops
$720American Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
Turkish Airlines Logo
6:20 am - 3:46 pmLGW-STL
39h 26m2 stops
Turkish Airlines Logo
5:24 pm - 4:10 pmSTL-LGW
40h 46m2 stops
$1,325Turkish Airlines
Find Deal
Mon, Nov 24 - Mon, Dec 1
Turkish Airlines Logo
10:20 am - 3:46 pmLGW-STL
35h 26m2 stops
Turkish Airlines Logo
5:24 pm - 4:10 pmSTL-LGW
40h 46m2 stops
$1,326Turkish Airlines
Find Deal
Mon, Nov 24 - Mon, Dec 1

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 17
LGW4:35 pmLondon Gatwick
28h 10m
1 stop
ORD2:45 pmChicago O'Hare Intl
Jan 23
ORD8:15 pmChicago O'Hare Intl
13h 30m
1 stop
LGW3:45 pmLondon Gatwick
$537
Find similar
TAP AIR PORTUGAL
Nov 20
LGW4:00 pmLondon Gatwick
29h 25m
1 stop
ORD3:25 pmChicago O'Hare Intl
Nov 30
ORD8:25 pmChicago O'Hare Intl
13h 20m
1 stop
LGW3:45 pmLondon Gatwick
$559
Find similar
TAP AIR PORTUGAL
Nov 25
LGW4:35 pmLondon Gatwick
28h 25m
1 stop
ORD3:00 pmChicago O'Hare Intl
Nov 30
ORD8:25 pmChicago O'Hare Intl
18h 10m
2 stops
LGW8:35 pmLondon Gatwick
$581
Find similar

Icelandair flights from London Gatwick Airport to Illinois

Our best Icelandair deals on London Gatwick Airport to Illinois flight tickets
Icelandair
Nov 18
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
Nov 25
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
$549
Find similar
Icelandair
Nov 19
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
Nov 26
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
$550
Find similar
Icelandair
Nov 26
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
Dec 3
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
$554
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Gatwick Airport to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 3, 2025.
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

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 1/17

4:35 pm-2:45 pm

1 stop28h 10m

Chicago O'Hare Intl

Fri 1/23

8:15 pm-3:45 pm

1 stop13h 30m

$537

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 11/24

2:00 pm-11:06 pm

1 stop15h 06m

Chicago O'Hare Intl

Fri 11/28

6:48 am-10:00 am

1 stop21h 12m

$539

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 11/20

2:00 pm-7:26 am

1 stop23h 26m

Chicago O'Hare Intl

Tue 12/2

4:22 pm-6:00 am

2 stops31h 38m

$543

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 11/20

2:00 pm-7:26 am

1 stop23h 26m

Chicago O'Hare Intl

Tue 12/2

10:59 am-6:00 am

1 stop13h 01m

$546

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 11/18

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Tue 11/25

6:30 pm-10:55 am

1 stop10h 25m

$549

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 11/19

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Wed 11/26

6:30 pm-10:55 am

1 stop10h 25m

$550

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 3/5

12:30 pm-12:46 pm

2 stops30h 16m

Lambert-St Louis

Mon 3/9

7:35 am-9:00 am

2 stops20h 25m

$719

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 3/5

12:30 pm-12:46 pm

2 stops30h 16m

Lambert-St Louis

Mon 3/9

9:39 am-9:00 am

2 stops18h 21m

$720

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 11/24

6:20 am-3:46 pm

2 stops39h 26m

Lambert-St Louis

Mon 12/1

5:24 pm-4:10 pm

2 stops40h 46m

$1,325

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 11/24

10:20 am-3:46 pm

2 stops35h 26m

Lambert-St Louis

Mon 12/1

5:24 pm-4:10 pm

2 stops40h 46m

$1,326

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from London Gatwick Airport is in January. Flight prices, which tend to average around $528, 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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $588.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from London Gatwick Airport to Illinois is on a Sunday when prices can be found for as low as $585. Flights from London Gatwick Airport to Illinois on a Monday will generally be more expensive and average around $1,037. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from London Gatwick Airport to Illinois during this time can be as low as $713. Flights at noon are often more expensive with an average ticket price of $773.

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

Direct flights

None
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

  • 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 many operators does momondo search for flights from London Gatwick Airport 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.

Best airlines flying from London Gatwick Airport to Illinois

Compare and see reviews for airlines that fly from London Gatwick Airport to Illinois with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $390Free CancellationRating
7.1
568 reviews
Search Icelandair flights

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.

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