Cheap flights from Illinois to London Gatwick Airport from £171
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Illinois to Gatwick
Keep the following information in mind while searching for Illinois to Gatwick flight deals. Data was last updated 16 September 2025.
Round-trip from | £372 |
---|---|
One-way from | £171 |
Popular in | June |
Cheapest in | February |
Average price | £485 |
Find flight deals from Illinois to Gatwick
Cheapest flights from Illinois to GatwickExplore the most affordable flight options available from Illinois to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.
Explore the most affordable flight options available from Illinois to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Illinois to London Gatwick Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Mon 17/11
18:30-10:55
1 stop10h 25m
London Gatwick
Tue 25/11
11:55-17:20
1 stop11h 25m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Sat 6/12
18:30-10:55
1 stop10h 25m
London Gatwick
Wed 10/12
11:55-17:20
1 stop11h 25m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Wed 19/11
18:30-10:55
1 stop10h 25m
London Gatwick
Wed 26/11
11:55-17:20
1 stop11h 25m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Tue 18/11
18:30-10:55
1 stop10h 25m
London Gatwick
Tue 25/11
11:55-17:20
1 stop11h 25m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Thu 2/10
17:17-10:00
1 stop34h 43m
London Gatwick
Mon 6/10
14:00-17:53
1 stop33h 53m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Sun 28/9
06:30-10:10
1 stop21h 40m
London Gatwick
Tue 7/10
14:00-17:53
1 stop33h 53m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Wed 28/1
19:10-15:05
1 stop13h 55m
London Gatwick
Fri 6/2
21:25-14:45
2 stops47h 20m
ChicagoLondon
MDW - LGW
MDWLGW
Chicago Midway
Thu 13/11
18:26-06:00
1 stop29h 34m
London Gatwick
Sun 16/11
13:00-23:55
1 stop16h 55m
ChicagoLondon
MDW - LGW
MDWLGW
Chicago Midway
Fri 3/10
08:15-10:00
2 stops19h 45m
London Gatwick
Wed 8/10
14:00-09:47
1 stop25h 47m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Thu 23/10
06:00-10:00
1 stop22h 00m
London Gatwick
Mon 27/10
14:00-16:23
1 stop31h 23m
Best time to book a flight from Illinois to Gatwick
Have a flexible travel schedule? Discover the best time to fly to Gatwick from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to London Gatwick Airport
What is the cheapest month to book a flight from Illinois to London Gatwick Airport?
Currently, April is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of £102). Flying from Illinois to London Gatwick Airport in July is currently the most expensive (average of £142). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near London Gatwick Airport?
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Alternative routes for Illinois to Gatwick
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How does Cheapflights help users find flights from Illinois to Gatwick?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Gatwick. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Illinois to Gatwick?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Gatwick from Illinois.
Can Cheapflights find flights from Illinois to Gatwick with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Illinois to Gatwick flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Illinois to Gatwick become cheaper?
Yes, Cheapflights offers price alerts on Illinois to Gatwick flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.