What are the cheapest airlines to fly from London Gatwick Airport to Illinois one-way?

One-way options have recently been found by users for as low as £380 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Icelandair from £412 and WestJet from £473 one-way.

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.

How far in advance should I book a flight from London Gatwick Airport to Illinois?

Users have found that booking a flight from London Gatwick Airport to Illinois at least 45 days early can save you up to 15% on average compared to booking a flight this week. If booking 45 days before your flight isn’t an option for you, users have found flights from London Gatwick Airport to Illinois for as little as £533 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £622 for flights departing within the next 3 days.

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

February is one of the best times of the year to fly to Illinois from London Gatwick Airport. Prices for February average £539 per person but you can even find prices for as low as £325. The most expensive prices can be found in the month of August. Opting for a February flight can save you 27% on your journey compared to booking in August

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.

£285+ Flights from London Gatwick Airport to Illinois

Cheap flight deals from Gatwick to Illinois

Round-trip from	£413
One-way from	£285
Popular in	August
Cheapest in	February
Average price	£514

Finnair
7/5-14/5
4 total stops
36h 11m total
London to Illinois

Search Deals

3/6
1 total stop
15h 37m total
London to Illinois

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£61 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 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 April 2025.

Wed 7/512:20LGW - ORD

2 stops17h 51mFinnair

Wed 14/507:50ORD - LGW

2 stops18h 20mFinnair

Deal found 14/4£413

Thu 8/514:00LGW - ORD

2 stops34h 40mMultiple Airlines

Wed 14/509:55ORD - LGW

1 stop15h 00mMultiple Airlines

Deal found 14/4£414

Wed 30/418:35LGW - ORD

1 stop27h 20mSWISS

Thu 8/518:35ORD - LGW

1 stop17h 15mSWISS

Deal found 14/4£421

Wed 7/514:00LGW - MDW

1 stop28h 24mMultiple Airlines

Mon 12/513:19MDW - LGW

1 stop14h 41mMultiple Airlines

Deal found 14/4£423

Mon 22/915:40LGW - ORD

1 stop32h 35mIcelandair

Sun 5/1022:15ORD - LGW

1 stop10h 25mIcelandair

Deal found 14/4£427

Thu 29/512:00LGW - ORD

1 stop15h 31mVirgin Atlantic

Thu 5/611:07ORD - LGW

2 stops16h 53mVirgin Atlantic

Deal found 14/4£546

Sun 25/512:00LGW - ORD

1 stop15h 33mDelta

Sat 14/610:35ORD - LGW

1 stop17h 25mDelta

Deal found 15/4£549

Mon 19/515:05LGW - ORD

1 stop26h 04mAmerican Airlines

Sat 31/511:35ORD - LGW

1 stop17h 05mAmerican Airlines

Deal found 15/4£562

Sun 18/514:00LGW - STL

1 stop16h 06mMultiple Airlines

Sun 25/517:45STL - LGW

1 stop34h 15mMultiple Airlines

Deal found 14/4£586

Thu 16/1011:35LGW - STL

2 stops38h 44mIberia

Tue 21/1009:47STL - LGW

2 stops19h 03mIberia

Deal found 14/4£633

Wed 7/510:40LGW - STL

2 stops19h 11mAmerican Airlines

Mon 12/509:36STL - LGW

2 stops14h 59mAmerican Airlines

Deal found 14/4£760

Wed 14/514:00LGW - STL

2 stops30h 47mTurkish Airlines

Wed 16/708:00STL - LGW

2 stops23h 00mTurkish Airlines

Deal found 14/4£1,048

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 15 April 2025.

Wed 7/512:20LGW - ORD

2 stops17h 51mFinnair

Wed 14/507:50ORD - LGW

2 stops18h 20mFinnair

Deal found 14/4£413

Tue 6/518:35LGW - ORD

1 stop24h 10mSWISS

Tue 13/514:20ORD - LGW

1 stop21h 30mSWISS

Deal found 15/4£414

Thu 15/515:40LGW - ORD

1 stop11h 35mIcelandair

Thu 5/619:25ORD - LGW

1 stop13h 15mIcelandair

Deal found 15/4£417

Mon 5/513:05LGW - ORD

1 stop23h 58mMultiple Airlines

Mon 12/505:51ORD - LGW

1 stop18h 29mMultiple Airlines

Deal found 14/4£419

Thu 29/512:00LGW - ORD

1 stop15h 31mVirgin Atlantic

Thu 5/611:07ORD - LGW

2 stops16h 53mVirgin Atlantic

Deal found 14/4£546

Wed 7/510:40LGW - STL

2 stops19h 11mAmerican Airlines

Mon 12/509:36STL - LGW

2 stops14h 59mAmerican Airlines

Deal found 14/4£760

Tue 13/520:40LGW - STL

2 stops30h 18mIberia

Tue 20/510:31STL - LGW

2 stops18h 19mIberia

Deal found 15/4£761

Wed 7/514:00LGW - MDW

1 stop28h 24mMultiple Airlines

Mon 12/513:19MDW - LGW

1 stop14h 41mMultiple Airlines

Deal found 14/4£423

Wed 14/514:00LGW - STL

2 stops30h 47mTurkish Airlines

Wed 16/708:00STL - LGW

2 stops23h 00mTurkish Airlines

Deal found 14/4£1,048

Tue 10/612:00LGW - STL

2 stops17h 22mDelta

Sun 15/610:30STL - LGW

2 stops17h 30mDelta

Deal found 15/4£1,195

Sun 18/514:00LGW - STL

1 stop16h 06mMultiple Airlines

Wed 21/517:45STL - LGW

1 stop34h 15mMultiple Airlines

Deal found 15/4£581

Fri 30/511:35LGW - EVV

2 stops16h 33mBritish Airways

Fri 6/617:00EVV - LGW

2 stops21h 00mBritish Airways

Deal found 14/4£1,874

Last-minute flights from Gatwick to Illinois
Discover last-minute flight deals from Gatwick to Illinois. Data last updated 15 April 2025 and is based on user searches.

Mon 21/418:35LGW - ORD

1 stop23h 35mSWISS

Sun 4/521:35ORD - LGW

2 stops14h 15mSWISS

Deal found 14/4£775

Tue 22/414:30LGW - ORD

1 stop24h 20mIberia

Fri 25/416:30ORD - LGW

1 stop12h 25mIberia

Deal found 14/4£667

Tue 22/421:15LGW - ORD

2 stops24h 55mTAP AIR PORTUGAL

Mon 28/413:26ORD - LGW

2 stops20h 09mTAP AIR PORTUGAL

Deal found 15/4£919

Tue 22/417:35LGW - STL

2 stops27h 07mTurkish Airlines

Tue 20/515:43STL - LGW

2 stops24h 37mTurkish Airlines

Deal found 14/4£4,896

Thu 24/415:40LGW - ORD

1 stop32h 35mIcelandair

Mon 28/419:25ORD - LGW

1 stop13h 10mIcelandair

Deal found 14/4£453

Thu 24/410:00LGW - ORD

1 stop34h 26mMultiple Airlines

Tue 6/519:00ORD - LGW

1 stop29h 55mMultiple Airlines

Deal found 15/4£471

Thu 24/414:00LGW - MDW

1 stop28h 31mMultiple Airlines

Fri 2/513:19MDW - LGW

1 stop14h 41mMultiple Airlines

Deal found 14/4£497

Thu 24/410:55LGW - ORD

1 stop28h 45mTurkish Airlines

Wed 30/419:50ORD - LGW

1 stop20h 30mTurkish Airlines

Deal found 14/4£692

Thu 24/417:25LGW - ORD

2 stops34h 00mAir Europa

Wed 7/513:30ORD - LGW

2 stops20h 55mAir Europa

Deal found 15/4£2,628

Fri 25/408:55LGW - STL

3 stops32h 27mMultiple Airlines

Sun 11/513:00STL - LGW

3 stops19h 40mMultiple Airlines

Deal found 14/4£818

Fri 25/410:40LGW - STL

2 stops17h 32mAmerican Airlines

Sun 11/507:10STL - LGW

2 stops17h 25mAmerican Airlines

Deal found 14/4£967

Mon 5/513:05LGW - ORD

1 stop23h 58mMultiple Airlines

Mon 12/505:51ORD - LGW

1 stop18h 29mMultiple Airlines

Deal found 14/4£419

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 15 April 2025.

Tue 3/614:00LGW - STL

1 stop15h 37mMultiple Airlines

Deal found 14/4£285

Mon 18/810:00LGW - ORD

1 stop34h 16mMultiple Airlines

Deal found 13/4£375

Tue 6/506:40LGW - MDW

3 stops34h 46mMultiple Airlines

Deal found 14/4£377

Tue 6/516:25LGW - ORD

1 stop29h 45mTAP AIR PORTUGAL

Deal found 14/4£380

Mon 18/815:40LGW - ORD

1 stop11h 35mIcelandair

Deal found 14/4£412

Tue 1/710:45LGW - ORD

2 stops31h 54mWestJet

Deal found 14/4£473

Mon 23/610:40LGW - ORD

1 stop15h 02mIberia

Deal found 15/4£480

Mon 28/714:00LGW - ORD

1 stop25h 40mTurkish Airlines

Deal found 14/4£714

Mon 18/812:00LGW - ORD

2 stops17h 55mAir France

Deal found 15/4£785

Mon 23/612:00LGW - MDW

2 stops33h 41mAir France

Deal found 14/4£1,347

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

Wed 7/5

12:20-00:11

2 stops17h 51m

Chicago O'Hare Intl

Wed 14/5

07:50-08:10

2 stops18h 20m

£413

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 8/5

14:00-18:40

2 stops34h 40m

Chicago O'Hare Intl

Wed 14/5

09:55-06:55

1 stop15h 00m

£414

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 30/4

18:35-15:55

1 stop27h 20m

Chicago O'Hare Intl

Thu 8/5

18:35-17:50

1 stop17h 15m

£421

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Wed 7/5

14:00-12:24

1 stop28h 24m

Chicago Midway

Mon 12/5

13:19-10:00

1 stop14h 41m

£423

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 22/9

15:40-18:15

1 stop32h 35m

Chicago O'Hare Intl

Sun 5/10

22:15-14:40

1 stop10h 25m

£427

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 16/5

15:05-11:09

1 stop26h 04m

Chicago O'Hare Intl

Mon 19/5

18:38-06:35

1 stop29h 57m

£481

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 29/5

12:00-23:58

2 stops17h 58m

Chicago O'Hare Intl

Thu 5/6

11:07-10:00

2 stops16h 53m

£546

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 25/5

12:00-21:33

1 stop15h 33m

Chicago O'Hare Intl

Sat 14/6

10:35-10:00

1 stop17h 25m

£549

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 19/5

15:05-11:09

1 stop26h 04m

Chicago O'Hare Intl

Sat 31/5

11:35-10:40

1 stop17h 05m

£562

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sun 18/5

14:00-00:06

1 stop16h 06m

Lambert-St Louis

Sun 25/5

17:45-10:00

1 stop34h 15m

£586

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 25 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.

Rainfall in Illinois by month

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.

Temperature in Illinois by month

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).

Reviews of airlines servicing Illinois

Peruse reviews from past customers who have flown with Delta, Finnair and Air France from London to Illinois to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,917 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,578 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from London Gatwick Airport to Illinois one-way?
One-way options have recently been found by users for as low as £380 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Icelandair from £412 and WestJet from £473 one-way.
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

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

Gatwick to John F Kennedy Intl flights

London City to John F Kennedy Intl flights

Heathrow to LaGuardia flights

Gatwick to Newark flights

London City to Newark flights

Heathrow to Los Angeles flights

Heathrow to Orlando flights

Gatwick to LaGuardia flights

Stansted to Stewart flights

Heathrow to Boston flights

Heathrow to Miami flights

Heathrow to Dallas/Fort Worth flights

Heathrow to San Francisco flights

Heathrow to Las Vegas flights

Heathrow to Seattle flights

Heathrow to O'Hare Intl flights

Heathrow to Hobby flights

Stansted to John F Kennedy Intl flights

Heathrow to Dulles Intl flights

Gatwick to Orlando flights

Heathrow to Baltimore flights

Luton to John F Kennedy Intl flights

Gatwick to Boston flights

London City to Los Angeles flights

Heathrow to George Bush Intcntl flights

London City to Orlando flights

Heathrow to Atlanta flights

Heathrow to Tampa flights

Gatwick to Las Vegas flights

Heathrow to Nashville flights

Heathrow to Denver flights

London City to Miami flights

Gatwick to Los Angeles flights

Heathrow to Raleigh flights

Heathrow to Detroit flights

Gatwick to San Francisco flights

Heathrow to Charlotte flights

London City to Boston flights

London City to San Francisco flights

Gatwick to Miami flights

Gatwick to Stewart flights

London City to LaGuardia flights

London City to Las Vegas flights

Luton to Los Angeles flights

Heathrow to Midway flights

Heathrow to Austin flights

Gatwick to Seattle flights

Stansted to Boston 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

Springfield Capital Airport car hire

Champaign University-Willard 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 2 airlines flying from Gatwick to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£319	Average£481	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£421	Average£572	FlexibilityNo cancel fee	On-time70%	Search British Airways 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Gatwick Airport to Illinois from £285

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 3/6. 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 15 April 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 15 April 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 15 April 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 15 April 2025.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

Reviews of airlines servicing Illinois

Peruse reviews from past customers who have flown with Delta, Finnair and Air France from London to Illinois to help guide your decision. In addition to providing an overall rating, users have also rated airlines 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.

What are the cheapest airlines to fly from London Gatwick Airport to Illinois one-way?

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 2 airlines 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?

100% Free

Book with Flexibility

Travel Smart

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 April 2025.