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Cheap flights from London Gatwick Airport to Illinois from £415

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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — ORD
20 elo — 27 elo1
1 adult

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 15 elokuu 2025.

Round-trip from

£422

One-way from

£415

Popular in

July

Cheapest in

February

Average price

£622
31/8-1/10
  • 31/8-1/10
  • 2 total stops
  • 35h 52m total
  • London to Illinois
Search Deals
22/11
  • 22/11
  • 3 total stops
  • 43h 50m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Gatwick to Illinois

Cheapest flights from Gatwick to Illinois
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 15 elokuu 2025.

pe 22/810:40LGW - ORD
1 stop15h 04mBritish Airways
pe 3/1013:59ORD - LGW
1 stop12h 11mBritish Airways
Deal found 14/8£422
pe 5/914:00LGW - ORD
1 stop32h 12mMultiple Airlines
ti 9/906:30ORD - LGW
1 stop21h 30mMultiple Airlines
Deal found 14/8£423
la 27/914:00LGW - MDW
1 stop25h 18mMultiple Airlines
la 4/1010:51MDW - LGW
1 stop17h 09mMultiple Airlines
Deal found 13/8£423
ma 6/1014:00LGW - ORD
1 stop33h 27mMultiple Airlines
ke 15/1011:13ORD - LGW
1 stop13h 07mMultiple Airlines
Deal found 13/8£423
to 21/815:40LGW - ORD
1 stop11h 35mIcelandair
la 6/919:25ORD - LGW
1 stop10h 20mIcelandair
Deal found 13/8£424
to 21/815:40LGW - ORD
1 stop11h 35mIcelandair
pe 5/922:15ORD - LGW
1 stop31h 30mIcelandair
Deal found 13/8£426
ke 27/814:00LGW - MDW
2 stops26h 08mMultiple Airlines
la 27/910:51MDW - LGW
1 stop17h 09mMultiple Airlines
Deal found 14/8£426
la 6/910:00LGW - ORD
1 stop29h 18mMultiple Airlines
la 13/910:27ORD - LGW
1 stop14h 33mMultiple Airlines
Deal found 14/8£426
la 23/813:00LGW - ORD
1 stop11h 15mIcelandair
ma 8/919:25ORD - LGW
1 stop13h 10mIcelandair
Deal found 13/8£428
to 2/1014:00LGW - MDW
1 stop24h 53mMultiple Airlines
su 19/1012:09MDW - LGW
1 stop16h 01mMultiple Airlines
Deal found 13/8£428
su 12/1015:40LGW - ORD
1 stop11h 35mIcelandair
ke 15/1019:25ORD - LGW
1 stop13h 15mIcelandair
Deal found 14/8£428
la 23/813:00LGW - ORD
1 stop11h 15mIcelandair
su 7/922:15ORD - LGW
1 stop31h 30mIcelandair
Deal found 13/8£429

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 15 elokuu 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Illinois that are best for you.

Fly from

Gatwick

Fly to

Illinois

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

to 18/9

10:00-23:20

2 stops19h 20m

Chicago O'Hare Intl

ma 22/9

10:27-06:55

1 stop14h 28m

£422

LondonChicago

LGW - ORD

LGWORD

London Gatwick

su 5/10

14:45-22:51

1 stop14h 06m

Chicago O'Hare Intl

su 12/10

13:43-07:50

1 stop12h 07m

£422

LondonChicago

LGW - ORD

LGWORD

London Gatwick

to 25/9

10:00-09:18

1 stop29h 18m

Chicago O'Hare Intl

la 18/10

11:12-06:20

1 stop13h 08m

£422

LondonChicago

LGW - ORD

LGWORD

London Gatwick

la 27/9

10:00-09:18

1 stop29h 18m

Chicago O'Hare Intl

la 4/10

06:30-10:00

1 stop21h 30m

£423

LondonChicago

LGW - ORD

LGWORD

London Gatwick

pe 5/9

14:00-16:12

1 stop32h 12m

Chicago O'Hare Intl

ti 9/9

06:30-10:00

1 stop21h 30m

£423

LondonChicago

LGW - ORD

LGWORD

London Gatwick

la 30/8

13:00-21:15

1 stop14h 15m

Chicago O'Hare Intl

ti 30/9

19:25-14:40

1 stop13h 15m

£423

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

la 27/9

14:00-09:18

1 stop25h 18m

Chicago Midway

la 4/10

10:51-10:00

1 stop17h 09m

£423

LondonChicago

LGW - ORD

LGWORD

London Gatwick

ma 6/10

14:00-17:27

1 stop33h 27m

Chicago O'Hare Intl

la 18/10

11:12-06:20

1 stop13h 08m

£423

LondonChicago

LGW - ORD

LGWORD

London Gatwick

ma 6/10

14:00-17:27

1 stop33h 27m

Chicago O'Hare Intl

ke 15/10

11:13-06:20

1 stop13h 07m

£423

LondonChicago

LGW - ORD

LGWORD

London Gatwick

la 30/8

13:00-18:15

1 stop11h 15m

Chicago O'Hare Intl

ma 29/9

19:25-14:35

1 stop13h 10m

£424

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 56 results
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6

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 15 elokuu 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 15 elokuu 2025.
See what other customers who have flown with Icelandair and British Airways 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.
Icelandair
7.0
Good
526 reviews
Check prices

Overall

7.0

Entertainment

7.0

Comfort

6.9

Boarding

7.1

Crew

8.0

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
Icelandair
7.0
Good
526 reviews
Icelandair
7.0
Good
526 reviews
Check prices

Overall

7.0

Entertainment

7.0

Comfort

6.9

Boarding

7.1

Crew

8.0

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
British Airways
6.7
Okay
7,267 reviews
Icelandair
7.0
Good
526 reviews
Check prices

Overall

7.0

Entertainment

7.0

Comfort

6.9

Boarding

7.1

Crew

8.0

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

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.

  • What are the most popular routes from London Gatwick Airport to Illinois?

    The most popular route from London Gatwick Airport to Illinois is London Gatwick - Chicago O'Hare Intl. You may also consider London Gatwick - Lambert-St Louis or London Gatwick - Chicago Midway.

  • Can I find deals for flights from Gatwick to Illinois that include hotel bookings?

    Yes. In addition to deals on Gatwick to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Illinois.

  • Can I find deals for business class flights from Gatwick to Illinois?

    Yes. Cheapflights offers flight deals from Gatwick to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

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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.
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Top 2 airlines flying from Gatwick to Illinois

Discover the top 2 airlines 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 15 elokuu 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£309Average£507FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£408Average£573FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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.

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