Cheap flights from London Gatwick Airport to Illinois from £255
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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Gatwick to Illinois
Keep the following information in mind while searching for Gatwick to Illinois flight deals. Data was last updated 26 June 2025.
Round-trip from | £409 |
---|---|
One-way from | £255 |
Popular in | August |
Cheapest in | February |
Average price | £529 |
Find flight deals from Gatwick to Illinois
Cheapest flights from Gatwick to IllinoisExplore the most affordable flight options available from Gatwick to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 June 2025.
Explore the most affordable flight options available from Gatwick to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 June 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Gatwick 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, Cheapflights users made 858,174 searches. Data last updated 26 June 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
Fri 26/9
13:00-19:17
2 stops36h 17m
Chicago O'Hare Intl
Sun 5/10
13:03-10:10
1 stop15h 07m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Sat 22/11
18:40-12:45
1 stop24h 05m
Chicago O'Hare Intl
Tue 2/12
19:05-17:50
1 stop16h 45m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Sat 23/8
16:30-16:15
1 stop29h 45m
Chicago O'Hare Intl
Mon 1/9
18:10-15:35
1 stop15h 25m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Fri 31/10
11:55-18:20
1 stop11h 25m
Chicago O'Hare Intl
Sat 8/11
18:30-10:55
1 stop10h 25m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Tue 25/11
11:20-21:39
2 stops40h 19m
Chicago O'Hare Intl
Sat 29/11
18:50-07:30
2 stops54h 40m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Mon 18/8
12:00-08:04
2 stops26h 04m
Chicago O'Hare Intl
Mon 1/9
17:00-10:00
2 stops35h 00m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Sun 17/8
12:00-21:53
1 stop15h 53m
Chicago O'Hare Intl
Tue 2/9
13:25-10:00
1 stop14h 35m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Thu 9/10
12:20-20:57
1 stop14h 37m
Chicago O'Hare Intl
Mon 13/10
09:00-08:35
1 stop17h 35m
LondonChicago
LGW - MDW
LGWMDW
London Gatwick
Wed 3/9
12:40-08:19
1 stop25h 39m
Chicago Midway
Thu 18/9
09:15-07:55
1 stop16h 40m
LondonSt. Louis
LGW - STL
LGWSTL
London Gatwick
Tue 22/7
14:00-10:29
1 stop26h 29m
Lambert-St Louis
Fri 25/7
10:47-10:00
2 stops41h 13m
Best time to book a flight from Gatwick to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Gatwick with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Gatwick Airport to Illinois
What is the cheapest month to book a flight from London Gatwick Airport to Illinois?
Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Illinois (average of £595). Flying from London Gatwick Airport to Illinois in July is currently the most expensive (average of £843). 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.
What is the cheapest time of day to fly from LGW to IL?
Find hourly flight availability from Gatwick to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 June 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Gatwick Airport to Illinois as you normally would.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 26 June 2025.
See what other customers who have flown with Delta, KLM, andAir Transat from London Gatwick Airport to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Gatwick to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Gatwick to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Gatwick to Illinois
Discover the top airline that operate flights from Gatwick to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 June 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Gatwick to Illinois?
When you search for this flight from Gatwick to Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Gatwick to Illinois?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Gatwick to Illinois for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Gatwick to Illinois with no change fees?
Certainly. Search results for flights to Illinois from Gatwick shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Gatwick to Illinois become cheaper?
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