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$435+ Cheap flights from Gatwick (LGW) to Illinois

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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Gatwick to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$538
(Kiwi.com)

One-way from

$435
(Kiwi.com)
From London Gatwick to Illinois
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One-way flight from London Gatwick to Illinois
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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 January 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:00 pmLGW - ORD
1 stop31h 47mMultiple Airlines
Wed 3/125:22 pmORD - LGW
2 stops15h 08mMultiple Airlines
Deal found 1/19$538
This Cheapflightsfares deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1311:55 amLGW - ORD
1 stop11h 25mIcelandair
Wed 3/197:30 pmORD - LGW
1 stop10h 25mIcelandair
Deal found 1/20$539
This TravelUp deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1710:55 amLGW - ORD
2 stops28h 56mBritish Airways
Mon 3/319:55 pmORD - LGW
1 stop16h 05mBritish Airways
Deal found 1/19$543
This Gotogate deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/276:45 pmLGW - ORD
1 stop27h 30mSWISS
Mon 2/107:05 pmORD - LGW
1 stop16h 45mSWISS
Deal found 1/20$545
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:30 pmLGW - ORD
2 stops17h 22mAmerican Airlines
Tue 3/119:50 amORD - LGW
1 stop16h 40mAmerican Airlines
Deal found 1/20$548
This Trip.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/88:40 pmLGW - ORD
1 stop28h 05mIberia
Wed 9/241:06 pmORD - LGW
1 stop13h 04mIberia
Deal found 1/19$588
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/254:35 pmLGW - ORD
1 stop28h 55mTAP AIR PORTUGAL
Fri 2/78:20 pmORD - LGW
1 stop31h 30mTAP AIR PORTUGAL
Deal found 1/20$598
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/611:55 amLGW - STL
3 stops29h 35mMultiple Airlines
Thu 3/131:00 pmSTL - LGW
3 stops16h 55mMultiple Airlines
Deal found 1/20$748
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2811:55 amLGW - MDW
2 stops18h 22mMultiple Airlines
Wed 3/57:25 amMDW - LGW
1 stop18h 40mMultiple Airlines
Deal found 1/20$775
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1012:00 pmLGW - STL
2 stops26h 06mDelta
Tue 7/11:30 pmSTL - LGW
2 stops14h 30mDelta
Deal found 1/19$1,016
This American Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1410:40 amLGW - STL
2 stops19h 23mAmerican Airlines
Fri 7/49:34 amSTL - LGW
2 stops17h 01mAmerican Airlines
Deal found 1/19$1,171
This oojo deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/210:15 amLGW - STL
2 stops34h 21mTurkish Airlines
Mon 3/175:33 pmSTL - LGW
2 stops22h 57mTurkish Airlines
Deal found 1/20$1,292

Find flights from Gatwick to Illinois within your budget

Customize 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 2,558,603 searches. Data last updated January 21, 2025.

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Fly to

Any airport

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 3/5

12:00 pm-1:47 pm

1 stop31h 47m

Chicago O'Hare Intl

Wed 3/12

5:22 pm-1:30 pm

2 stops15h 08m

$538

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 3/13

11:55 am-6:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Wed 3/19

7:30 pm-10:55 am

1 stop10h 25m

$539

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 3/17

10:55 am-10:51 am

2 stops28h 56m

Chicago O'Hare Intl

Mon 3/31

9:55 pm-8:00 pm

1 stop16h 05m

$543

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 3/5

12:30 pm-11:52 pm

2 stops17h 22m

Chicago O'Hare Intl

Tue 3/11

9:50 am-7:30 am

1 stop16h 40m

$548

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 2/10

6:45 pm-4:15 pm

1 stop27h 30m

Chicago O'Hare Intl

Thu 2/20

7:05 pm-5:50 pm

1 stop16h 45m

$563

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 4/24

2:50 pm-4:00 pm

1 stop31h 10m

Chicago O'Hare Intl

Sun 4/27

6:00 pm-8:30 pm

2 stops20h 30m

$594

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 2/16

7:35 pm-2:30 pm

1 stop24h 55m

Chicago O'Hare Intl

Sun 2/23

4:45 pm-10:15 am

1 stop11h 30m

$637

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 3/5

4:55 pm-10:10 am

1 stop23h 15m

Chicago O'Hare Intl

Tue 3/11

12:55 pm-4:00 pm

1 stop22h 05m

$742

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 6/12

12:00 pm-9:00 pm

1 stop15h 00m

Chicago O'Hare Intl

Sat 7/5

10:35 am-10:00 am

2 stops17h 25m

$746

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 3/6

11:55 am-11:30 am

3 stops29h 35m

Lambert-St Louis

Thu 3/13

1:00 pm-10:55 am

3 stops16h 55m

$748

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 26 results
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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 round-trip 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.

Travel insights for flights from Gatwick to Illinois

Get recent, data-driven insights about flights from Gatwick to Illinois including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from London Gatwick Airport to Illinois (average of $245). Flying from London Gatwick Airport to Illinois in March is currently the most expensive (average of $320). 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.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 January 21, 2025.
To help decide which airline to fly from London to Illinois, see what other customers have to say about British Airways, American Airlines and Iberia. 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.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

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

Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

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

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

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

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

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

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?

    $436 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on British Airways and TAP AIR PORTUGAL, with prices starting from $566 and $574, respectively.

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

    The most popular flight routes from London Gatwick Airport to Illinois are London Gatwick - Chicago O'Hare Intl, London Gatwick - Lambert-St Louis and 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 vacation 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, August is the cheapest month in which you can book a flight from London Gatwick Airport to Illinois (average of $245). Flying from London Gatwick Airport to Illinois in March is currently the most expensive (average of $320). 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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