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$268+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$541
(Kiwi.com)

One-way from

$268
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$640
Provider with most accurate pricing for London (LON)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Chicago (CHI) flights.
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From London Gatwick to Illinois
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One-way flight from London Gatwick to Illinois
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Highest demand for flights based on searches. 12% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/1610:00 amLGW - ORD
1 stop37h 41mMultiple Airlines
Tue 5/209:55 amORD - LGW
1 stop15h 05mMultiple Airlines
Deal found 3/27$541
This Booking.com deal was found by Cheapflights users on 3/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/93:40 pmLGW - ORD
1 stop11h 35mIcelandair
Wed 7/167:25 pmORD - LGW
1 stop10h 20mIcelandair
Deal found 3/28$542
This World Air Fares deal was found by Cheapflights users on 3/27. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/212:20 pmLGW - ORD
2 stops28h 16mFinnair
Sun 5/410:10 pmORD - LGW
2 stops28h 00mFinnair
Deal found 3/27$559
This Trip.com deal was found by Cheapflights users on 3/26. 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.
Thu 5/12:00 pmLGW - MDW
1 stop28h 24mMultiple Airlines
Fri 5/161:19 pmMDW - LGW
1 stop14h 41mMultiple Airlines
Deal found 3/26$568
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 5/12:30 pmLGW - ORD
1 stop24h 20mAmerican Airlines
Fri 5/161:47 pmORD - LGW
1 stop12h 48mAmerican Airlines
Deal found 3/27$573
This EaseMyTrip deal was found by Cheapflights users on 3/27. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/112:45 pmLGW - ORD
1 stop32h 49mBritish Airways
Sun 5/185:57 pmORD - LGW
1 stop32h 38mBritish Airways
Deal found 3/27$616
This SWISS deal was found by Cheapflights users on 3/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:40 pmLGW - ORD
1 stop24h 05mSWISS
Sun 5/187:05 pmORD - LGW
1 stop16h 45mSWISS
Deal found 3/27$643
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Sat 4/192:00 pmLGW - STL
1 stop15h 46mMultiple Airlines
Sun 4/275:41 pmSTL - LGW
1 stop34h 19mMultiple Airlines
Deal found 3/27$673
This Iberia deal was found by Cheapflights users on 3/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2410:40 amLGW - ORD
1 stop16h 45mIberia
Sun 7/134:30 pmORD - LGW
1 stop12h 20mIberia
Deal found 3/27$764
This Mytrip deal was found by Cheapflights users on 3/26. 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.
Fri 6/2711:35 amLGW - MDW
2 stops27h 10mAir Transat
Wed 7/99:40 amMDW - LGW
2 stops18h 10mAir Transat
Deal found 3/26$832
This World Air Fares deal was found by Cheapflights users on 3/27. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1812:20 pmLGW - STL
2 stops26h 10mFinnair
Sun 4/277:03 pmSTL - LGW
2 stops31h 07mFinnair
Deal found 3/27$1,066
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/192:30 pmLGW - STL
2 stops24h 00mAmerican Airlines
Mon 4/287:19 amSTL - LGW
2 stops18h 51mAmerican Airlines
Deal found 3/27$1,080

Cheapflights Fare Finder

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 March 28, 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

Fri 5/16

10:00 am-5:41 pm

1 stop37h 41m

Chicago O'Hare Intl

Tue 5/20

9:55 am-7:00 am

1 stop15h 05m

$541

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 4/29

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Mon 5/5

7:25 pm-11:45 am

1 stop10h 20m

$544

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 5/2

12:20 pm-10:36 am

2 stops28h 16m

Chicago O'Hare Intl

Sun 5/4

10:10 pm-8:10 am

2 stops28h 00m

$559

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Thu 5/1

2:00 pm-12:24 pm

1 stop28h 24m

Chicago Midway

Fri 5/16

1:19 pm-10:00 am

1 stop14h 41m

$568

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 5/1

2:30 pm-8:50 am

1 stop24h 20m

Chicago O'Hare Intl

Fri 5/16

1:47 pm-8:35 am

1 stop12h 48m

$573

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 5/11

2:45 pm-5:34 pm

1 stop32h 49m

Chicago O'Hare Intl

Sun 5/18

5:57 pm-8:35 am

1 stop32h 38m

$616

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 5/9

6:40 pm-12:45 pm

1 stop24h 05m

Chicago O'Hare Intl

Sun 5/18

7:05 pm-5:50 pm

1 stop16h 45m

$643

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sat 4/19

2:00 pm-11:46 pm

1 stop15h 46m

Lambert-St Louis

Sun 4/27

5:41 pm-10:00 am

1 stop34h 19m

$673

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 6/24

10:40 am-9:25 pm

1 stop16h 45m

Chicago O'Hare Intl

Sun 7/13

4:30 pm-10:50 am

1 stop12h 20m

$764

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 3/31

9:15 pm-4:10 pm

2 stops48h 55m

Chicago O'Hare Intl

Fri 4/4

6:00 pm-3:40 pm

1 stop15h 40m

$784

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 28 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.

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, 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 $323). 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 March 28, 2025.
To help decide which airline to fly from London to Illinois, see what other customers have to say about Delta, Air Transat and Finnair. 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
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

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 Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
1,267 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
1,570 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

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

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?

    $456 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on TAP AIR PORTUGAL and Icelandair, with prices starting from $462 and $533, 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 $323). 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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