$349 Find Cheap Flights from London Gatwick Airport to Illinois - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Gatwick to Illinois departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Gatwick to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Gatwick to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Gatwick to Illinois

Fri, Aug 28 - Sun, Sep 13
Multiple Airlines Logo
2:00 pm - 4:11 pm
LGW
-
STL
32h 11m
1 stop
Multiple Airlines Logo
10:35 am - 10:00 am
STL
-
LGW
41h 25m
2 stops
$643Multiple Airlines
Wed, Sep 9 - Wed, Sep 30
Multiple Airlines Logo
2:00 pm - 7:39 pm
LGW
-
STL
35h 39m
1 stop
Multiple Airlines Logo
10:35 am - 6:20 am
STL
-
LGW
37h 45m
2 stops
$656Multiple Airlines
Wed, Sep 2 - Tue, Sep 8
Icelandair Logo
3:40 pm - 9:25 pm
LGW
-
ORD
11h 45m
1 stop
Icelandair Logo
10:25 pm - 2:40 pm
ORD
-
LGW
10h 15m
1 stop
$666Icelandair
Tue, Sep 1 - Tue, Sep 15
Icelandair Logo
1:00 pm - 6:15 pm
LGW
-
ORD
11h 15m
1 stop
Icelandair Logo
7:25 pm - 2:40 pm
ORD
-
LGW
13h 15m
1 stop
$667Icelandair
Tue, Sep 15 - Wed, Sep 23
TAP AIR PORTUGAL Logo
4:25 pm - 4:00 pm
LGW
-
ORD
29h 35m
1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 2:00 pm
ORD
-
LGW
14h 00m
1 stop
$672TAP AIR PORTUGAL
Sat, Nov 21 - Sun, Nov 29
TAP AIR PORTUGAL Logo
4:35 pm - 3:30 pm
LGW
-
ORD
28h 55m
1 stop
TAP AIR PORTUGAL Logo
8:10 pm - 3:45 pm
ORD
-
LGW
13h 35m
1 stop
$674TAP AIR PORTUGAL
Tue, Sep 22 - Tue, Sep 29
Virgin Atlantic Logo
10:35 am - 10:44 pm
LGW
-
MDW
18h 09m
2 stops
Virgin Atlantic Logo
10:48 am - 9:25 am
MDW
-
LGW
16h 37m
2 stops
$818Virgin Atlantic
Wed, Dec 2 - Sun, Dec 6
Virgin Atlantic Logo
10:00 am - 10:10 pm
LGW
-
MDW
18h 10m
2 stops
Virgin Atlantic Logo
10:35 am - 9:00 am
MDW
-
LGW
16h 25m
2 stops
$873Virgin Atlantic
Fri, Sep 4 - Thu, Sep 10
Delta Logo
10:25 am - 10:36 pm
LGW
-
MDW
18h 11m
2 stops
Delta Logo
5:37 pm - 4:00 pm
MDW
-
LGW
16h 23m
2 stops
$899Delta
Tue, Sep 1 - Thu, Sep 24
Delta Logo
10:35 am - 1:02 pm
LGW
-
EVV
32h 27m
2 stops
Delta Logo
6:16 am - 4:00 pm
EVV
-
LGW
27h 44m
2 stops
$1,104Delta
Booking Insights

KAYAK's insights & trends for Gatwick to Illinois flights

Get data-powered insights and trends into flights from Gatwick to Illinois to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from London Gatwick Airport to Illinois?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London Gatwick Airport to Illinois departing in September.

What is the cheapest month to fly from London Gatwick Airport to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Gatwick Airport to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Gatwick Airport to Illinois is September, when tickets cost $529 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $1,108 and $971 respectively.

Find deals

Good to know

Low season

October

Cheapest flight

$349
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from London Gatwick Airport to St. Louis

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from London Gatwick Airport to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Gatwick Airport to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Gatwick Airport to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London Gatwick Airport to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Gatwick Airport to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from London Gatwick Airport to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Gatwick Airport to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London Gatwick Airport to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Gatwick to Illinois

Information on your arrival and departure airports

London Gatwick Airport (LGW)