How long is the flight from London Gatwick Airport to Illinois?

There are many flights that can get you from London Gatwick Airport to Illinois in 11h 25m. Fly via Icelandair or American Airlines to get the fastest option. The distance between London Gatwick Airport and Illinois is about 3960 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 - Chicago Midway or London Gatwick - Lambert-St Louis.

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.

£291+ Flights from London Gatwick Airport to Illinois

Cheap flight deals from Gatwick to Illinois

Round-trip from	£391
One-way from	£291
Popular in	July
Cheapest in	February
Average price	£434

American Airlines
6/12-8/12
3 total stops
45h 53m total
London to Illinois

Search Deals

6/10
2 total stops
49h 07m total
London to Illinois

Search Deals

Highest demand for flights based on searches. 14% 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 September 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 18 September 2025.

Sat 6/1211:20LGW - ORD

1 stop15h 30mAmerican Airlines

Mon 8/1219:07ORD - LGW

2 stops30h 23mAmerican Airlines

Deal found 16/9£391

Thu 9/1014:00LGW - ORD

1 stop23h 34mMultiple Airlines

Wed 15/1018:58ORD - LGW

1 stop33h 02mMultiple Airlines

Deal found 15/9£392

Wed 15/1015:30LGW - ORD

2 stops27h 05mMultiple Airlines

Wed 22/1006:40ORD - LGW

1 stop17h 40mMultiple Airlines

Deal found 15/9£393

Mon 22/914:00LGW - ORD

1 stop32h 12mMultiple Airlines

Sun 5/1006:00ORD - LGW

1 stop22h 10mMultiple Airlines

Deal found 15/9£393

Tue 14/1008:50LGW - ORD

1 stop16h 10mMultiple Airlines

Tue 21/1021:15ORD - LGW

1 stop18h 00mMultiple Airlines

Deal found 16/9£395

Wed 1/1012:20LGW - ORD

2 stops16h 52mAmerican Airlines

Mon 6/1013:43ORD - LGW

1 stop12h 27mAmerican Airlines

Deal found 15/9£396

Thu 9/1014:00LGW - MDW

1 stop32h 20mMultiple Airlines

Mon 13/1017:28MDW - LGW

1 stop34h 32mMultiple Airlines

Deal found 16/9£399

Tue 7/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Fri 5/1206:05ORD - LGW

1 stop21h 55mMultiple Airlines

Deal found 15/9£399

Mon 29/914:00LGW - ORD

1 stop32h 12mMultiple Airlines

Sun 5/1006:00ORD - LGW

1 stop22h 10mMultiple Airlines

Deal found 16/9£401

Thu 9/1014:00LGW - MDW

2 stops40h 24mMultiple Airlines

Thu 16/1011:49MDW - LGW

1 stop16h 11mMultiple Airlines

Deal found 16/9£403

Thu 9/1014:00LGW - MDW

1 stop32h 20mMultiple Airlines

Wed 15/1008:05MDW - LGW

2 stops19h 55mMultiple Airlines

Deal found 16/9£417

Wed 8/1014:00LGW - MDW

1 stop25h 47mMultiple Airlines

Tue 14/1008:05MDW - LGW

2 stops19h 55mMultiple Airlines

Deal found 16/9£424

Best flights from Gatwick to Illinois
Discover carefully curated flight deals from Gatwick to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Mon 6/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Sat 11/1018:58ORD - LGW

1 stop33h 12mMultiple Airlines

Deal found 16/9£391

Fri 27/211:55LGW - ORD

1 stop11h 25mIcelandair

Tue 10/319:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£425

Thu 5/312:30LGW - STL

2 stops36h 33mAmerican Airlines

Mon 9/305:30STL - LGW

2 stops21h 00mAmerican Airlines

Deal found 15/9£665

Thu 9/1014:00LGW - MDW

1 stop32h 20mMultiple Airlines

Mon 13/1017:28MDW - LGW

1 stop34h 32mMultiple Airlines

Deal found 16/9£399

Sun 1/311:55LGW - ORD

1 stop11h 25mIcelandair

Wed 11/319:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£425

Thu 2/1020:40LGW - STL

2 stops29h 52mIberia

Fri 17/1008:42STL - LGW

2 stops20h 13mIberia

Deal found 16/9£854

Thu 9/1014:00LGW - MDW

2 stops40h 24mMultiple Airlines

Thu 16/1011:49MDW - LGW

1 stop16h 11mMultiple Airlines

Deal found 16/9£403

Tue 3/311:55LGW - ORD

1 stop11h 25mIcelandair

Thu 12/319:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£425

Wed 8/1014:00LGW - MDW

1 stop25h 47mMultiple Airlines

Tue 14/1008:05MDW - LGW

2 stops19h 55mMultiple Airlines

Deal found 16/9£424

Wed 4/311:55LGW - ORD

1 stop11h 25mIcelandair

Wed 11/319:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£425

Thu 2/1014:00LGW - MDW

1 stop24h 53mMultiple Airlines

Thu 16/1011:49MDW - LGW

1 stop16h 11mMultiple Airlines

Deal found 16/9£426

Wed 15/1015:40LGW - ORD

1 stop11h 35mIcelandair

Tue 28/1019:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 17/9£437

Fri 10/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Mon 13/1006:00ORD - LGW

1 stop22h 00mMultiple Airlines

Deal found 17/9£437

Tue 14/1015:40LGW - ORD

1 stop32h 35mIcelandair

Tue 28/1019:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 17/9£438

Tue 14/1015:40LGW - ORD

1 stop32h 35mIcelandair

Mon 27/1019:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 17/9£438

Sun 9/1113:00LGW - MDW

1 stop16h 55mMultiple Airlines

Tue 6/118:44MDW - LGW

1 stop29h 16mMultiple Airlines

Deal found 17/9£447

Thu 2/1014:00LGW - MDW

2 stops23h 11mMultiple Airlines

Sun 5/1010:13MDW - LGW

1 stop17h 57mMultiple Airlines

Deal found 16/9£451

Tue 3/311:55LGW - ORD

1 stop11h 25mIcelandair

Sat 7/318:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£458

Sat 28/211:55LGW - ORD

1 stop11h 25mIcelandair

Sat 7/318:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£458

Sun 28/914:00LGW - MDW

1 stop23h 23mMultiple Airlines

Wed 8/1008:05MDW - LGW

2 stops19h 55mMultiple Airlines

Deal found 18/9£489

Sun 1/311:55LGW - ORD

1 stop11h 25mIcelandair

Sat 7/318:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 15/9£458

Wed 15/1014:00LGW - MDW

1 stop26h 46mMultiple Airlines

Sat 18/1011:31MDW - LGW

1 stop16h 29mMultiple Airlines

Deal found 16/9£499

Thu 16/1013:05LGW - MDW

1 stop16h 20mMultiple Airlines

Thu 23/1017:56MDW - LGW

1 stop30h 24mMultiple Airlines

Deal found 17/9£513

Thu 16/1014:00LGW - STL

2 stops25h 07mMultiple Airlines

Thu 23/1013:41STL - LGW

1 stop14h 19mMultiple Airlines

Deal found 16/9£637

Tue 7/1008:00LGW - STL

2 stops17h 38mMultiple Airlines

Wed 22/1016:05STL - LGW

2 stops16h 45mMultiple Airlines

Deal found 16/9£665

Wed 15/1014:00LGW - STL

2 stops26h 02mMultiple Airlines

Wed 22/1009:15STL - LGW

3 stops28h 25mMultiple Airlines

Deal found 17/9£722

Wed 26/1111:40LGW - STL

2 stops17h 05mMultiple Airlines

Sun 30/1116:05STL - LGW

3 stops21h 15mMultiple Airlines

Deal found 16/9£830

Thu 9/1010:45LGW - STL

3 stops34h 33mMultiple Airlines

Thu 16/1010:57STL - LGW

3 stops27h 28mMultiple Airlines

Deal found 17/9£836

Last-minute flights from Gatwick to Illinois
Discover last-minute flight deals from Gatwick to Illinois. Data last updated 18 September 2025 and is based on user searches.

Mon 22/910:00LGW - ORD

1 stop29h 18mMultiple Airlines

Sun 5/1006:00ORD - LGW

1 stop22h 10mMultiple Airlines

Deal found 16/9£396

Wed 24/912:10LGW - ORD

1 stop26h 46mJetBlue

Wed 1/1019:50ORD - LGW

1 stop31h 45mJetBlue

Deal found 17/9£404

Mon 29/914:00LGW - ORD

1 stop32h 12mMultiple Airlines

Sun 5/1006:00ORD - LGW

1 stop22h 10mMultiple Airlines

Deal found 16/9£401

Thu 2/1010:40LGW - ORD

1 stop15h 25mAmerican Airlines

Sun 5/1013:31ORD - LGW

1 stop13h 04mAmerican Airlines

Deal found 16/9£396

Mon 6/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Sat 11/1018:58ORD - LGW

1 stop33h 12mMultiple Airlines

Deal found 16/9£391

Tue 7/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Fri 5/1206:05ORD - LGW

1 stop21h 55mMultiple Airlines

Deal found 15/9£399

Wed 8/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Tue 14/1019:43ORD - LGW

2 stops32h 17mMultiple Airlines

Deal found 16/9£403

Thu 9/1014:00LGW - MDW

1 stop32h 20mMultiple Airlines

Mon 13/1017:28MDW - LGW

1 stop34h 32mMultiple Airlines

Deal found 16/9£399

Thu 9/1014:00LGW - MDW

2 stops40h 24mMultiple Airlines

Thu 16/1011:49MDW - LGW

1 stop16h 11mMultiple Airlines

Deal found 16/9£403

Tue 14/1008:50LGW - ORD

1 stop16h 10mMultiple Airlines

Tue 21/1021:15ORD - LGW

1 stop18h 00mMultiple Airlines

Deal found 16/9£395

Wed 15/1005:35LGW - ORD

2 stops37h 00mMultiple Airlines

Sat 18/1006:40ORD - LGW

1 stop17h 40mMultiple Airlines

Deal found 16/9£402

Thu 30/1011:55LGW - ORD

1 stop11h 25mIcelandair

Sun 2/1118:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 16/9£397

One-way flights from Gatwick to Illinois
Search for one-way flight options from Gatwick to Illinois. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Mon 6/1014:00LGW - STL

2 stops49h 07mMultiple Airlines

Deal found 16/9£291

Mon 26/114:00LGW - MDW

2 stops55h 20mMultiple Airlines

Deal found 16/9£395

Fri 10/1007:10LGW - ORD

3 stops31h 08mMultiple Airlines

Deal found 16/9£395

Tue 30/921:20LGW - ORD

2 stops24h 50mMultiple Airlines

Deal found 17/9£396

Fri 31/1016:40LGW - MDW

2 stops33h 42mMultiple Airlines

Deal found 16/9£396

Mon 13/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Deal found 17/9£398

Sat 13/1208:15LGW - ORD

2 stops15h 40mMultiple Airlines

Deal found 15/9£399

Sat 11/1014:00LGW - ORD

1 stop23h 14mMultiple Airlines

Deal found 14/9£399

Mon 22/1219:25LGW - ORD

2 stops49h 05mMultiple Airlines

Deal found 17/9£402

Mon 1/1211:30LGW - MDW

3 stops52h 35mMultiple Airlines

Deal found 16/9£402

Tue 23/913:05LGW - ORD

1 stop33h 46mMultiple Airlines

Deal found 16/9£403

Mon 29/1209:00LGW - ORD

2 stops35h 30mMultiple Airlines

Deal found 15/9£404

Cheapflights Fare Finder

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

Mon 6/10

14:00-17:53

1 stop33h 53m

Chicago O'Hare Intl

Sat 11/10

18:58-10:10

1 stop33h 12m

£391

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Thu 9/10

14:00-16:20

1 stop32h 20m

Chicago Midway

Mon 13/10

17:28-10:00

1 stop34h 32m

£399

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Thu 9/10

14:00-00:24

2 stops40h 24m

Chicago Midway

Thu 16/10

11:49-10:00

1 stop16h 11m

£403

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Wed 8/10

14:00-09:47

1 stop25h 47m

Chicago Midway

Tue 14/10

08:05-10:00

2 stops19h 55m

£424

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 27/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Tue 10/3

19:30-10:55

1 stop10h 25m

£425

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 1/3

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Wed 11/3

19:30-10:55

1 stop10h 25m

£425

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 3/3

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Thu 12/3

19:30-10:55

1 stop10h 25m

£425

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 4/3

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Wed 11/3

19:30-10:55

1 stop10h 25m

£425

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Thu 2/10

14:00-08:53

1 stop24h 53m

Chicago Midway

Thu 16/10

11:49-10:00

1 stop16h 11m

£426

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 15/10

15:40-21:15

1 stop11h 35m

Chicago O'Hare Intl

Tue 28/10

19:30-10:55

1 stop10h 25m

£437

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 55 results

...

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?

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

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

545 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Icelandair

7.0

Good

545 reviews

Icelandair

7.0

Good

545 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

British Airways

6.7

Okay

7,367 reviews

Icelandair

7.0

Good

545 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Related info for your journey

How long is the flight from London Gatwick Airport to Illinois?
There are many flights that can get you from London Gatwick Airport to Illinois in 11h 25m. Fly via Icelandair or American Airlines to get the fastest option. The distance between London Gatwick Airport and Illinois is about 3960 mi. This flight may include one or multiple stops.
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 - Chicago Midway or London Gatwick - Lambert-St Louis.
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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Gatwick to Illinois

Heathrow to John F Kennedy Intl flights

Heathrow to Newark flights

Heathrow to LaGuardia flights

Gatwick to Newark flights

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Stansted to John F Kennedy Intl flights

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Heathrow to Miami flights

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Heathrow to Los Angeles flights

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London City to LaGuardia flights

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Heathrow to Dallas/Fort Worth flights

Heathrow to O'Hare Intl flights

Gatwick to Orlando flights

Heathrow to Las Vegas flights

Heathrow to Dulles Intl flights

Heathrow to Tampa flights

London City to Orlando flights

London City to Miami flights

Heathrow to Baltimore flights

Gatwick to Miami flights

Heathrow to Hobby flights

Heathrow to Atlanta flights

Heathrow to Seattle flights

Gatwick to Boston flights

London City to Boston flights

London City to Los Angeles flights

Heathrow to George Bush Intcntl flights

Gatwick to Las Vegas flights

Gatwick to San Francisco flights

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Stansted to Miami flights

Gatwick to O'Hare Intl flights

Heathrow to Sky Harbor Intl flights

Heathrow to Austin flights

Heathrow to Midway flights

London City to O'Hare Intl flights

Heathrow to Philadelphia flights

London City to San Francisco flights

Gatwick to Dallas/Fort Worth flights

Gatwick to Dulles Intl flights

Heathrow to Reagan-National flights

Heathrow to Denver flights

Complete your trip

Illinois car hire

Chicago O'Hare Intl Airport car hire

Chicago Midway Airport car hire

Moline Quad-City Airport car hire

Greater Peoria Airport car hire

Bloomington-Normal Airport car hire

Champaign University-Willard Airport car hire

Springfield Capital Airport car hire

Chicago Greater Rockford Airport car hire

Belleville Airport car hire

Marion Williamson County Airport car hire

Quincy Regional Airport car hire

Direct flights to United States

Top airline flying from Gatwick to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£307	Average£508	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights

Fly with Cheapflights

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?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from London Gatwick Airport to Illinois from £291

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 6/10. 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 18 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 18 September 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 18 September 2025.

Cheapflights Fare Finder

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

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?

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 18 September 2025.

Reviews of airlines servicing Illinois

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.

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.

How long is the flight from London Gatwick Airport to Illinois?

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

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

How can I find direct flights from Gatwick to Illinois?

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

What is the cheapest month to book a flight from London Gatwick Airport to Illinois?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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?

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Illinois?

Can Cheapflights find flights from Gatwick to Illinois with no change fees?

Can Cheapflights notify me if prices for flights from Gatwick to Illinois become cheaper?

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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 18 September 2025.