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$314+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — ORD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$531
(Kiwi.com)

One-way from

$314
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$676
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. 13% potential increase in price ($105 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 April 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 April 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Mon 5/121:05 pmLGW - ORD
1 stop24h 22mMultiple Airlines
Fri 5/169:08 pmORD - LGW
1 stop27h 12mMultiple Airlines
Deal found 4/16$531
This SWISS deal was found by Cheapflights users on 4/16. 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.
Tue 5/66:35 pmLGW - ORD
1 stop27h 20mSWISS
Tue 5/137:05 pmORD - LGW
1 stop16h 45mSWISS
Deal found 4/16$547
This World Air Fares deal was found by Cheapflights users on 4/16. 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 stops17h 29mFinnair
Sat 5/106:35 pmORD - LGW
2 stops30h 00mFinnair
Deal found 4/16$549
This Gotogate deal was found by Cheapflights users on 4/16. 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 12/111:55 amLGW - ORD
1 stop11h 25mIcelandair
Mon 12/156:30 pmORD - LGW
1 stop10h 25mIcelandair
Deal found 4/16$554
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 4/302:00 pmLGW - MDW
1 stop28h 24mMultiple Airlines
Thu 5/81:19 pmMDW - LGW
1 stop14h 41mMultiple Airlines
Deal found 4/17$684
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Mon 4/212:00 pmLGW - STL
1 stop15h 46mMultiple Airlines
Wed 4/305:41 pmSTL - LGW
1 stop34h 19mMultiple Airlines
Deal found 4/16$697
This The Travel House deal was found by Cheapflights users on 4/17. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:00 amLGW - STL
2 stops27h 43mIberia
Mon 11/242:49 pmSTL - LGW
2 stops22h 01mIberia
Deal found 4/17$995
This Delta deal was found by Cheapflights users on 4/17. 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.
Wed 6/1112:00 pmLGW - STL
1 stop14h 53mDelta
Wed 7/212:15 pmSTL - LGW
1 stop15h 45mDelta
Deal found 4/17$1,155
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 4/2510:40 amLGW - STL
2 stops18h 53mAmerican Airlines
Sun 5/117:10 amSTL - LGW
2 stops17h 25mAmerican Airlines
Deal found 4/16$1,283
This The Travel House deal was found by Cheapflights users on 4/16. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/162:00 pmLGW - STL
2 stops54h 19mTurkish Airlines
Tue 10/213:30 pmSTL - LGW
2 stops42h 45mTurkish Airlines
Deal found 4/16$1,445
This British Airways deal was found by Cheapflights users on 4/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/111:35 amLGW - EVV
2 stops16h 33mBritish Airways
Sun 6/84:48 pmEVV - LGW
2 stops21h 12mBritish Airways
Deal found 4/17$3,195

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 April 17, 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

Mon 5/12

1:05 pm-7:27 am

1 stop24h 22m

Chicago O'Hare Intl

Fri 5/16

9:08 pm-6:20 am

1 stop27h 12m

$531

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 5/6

6:35 pm-3:55 pm

1 stop27h 20m

Chicago O'Hare Intl

Tue 5/13

7:05 pm-5:50 pm

1 stop16h 45m

$547

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 5/2

12:20 pm-11:49 pm

2 stops17h 29m

Chicago O'Hare Intl

Sat 5/10

6:35 pm-6:35 am

2 stops30h 00m

$549

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 4/24

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Wed 5/7

10:15 pm-2:40 pm

1 stop10h 25m

$560

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Wed 4/30

2:00 pm-12:24 pm

1 stop28h 24m

Chicago Midway

Thu 5/8

1:19 pm-10:00 am

1 stop14h 41m

$684

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 6/18

12:00 pm-11:59 pm

2 stops17h 59m

Chicago O'Hare Intl

Tue 6/24

9:49 am-10:00 am

2 stops18h 11m

$726

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 5/14

2:00 pm-12:06 am

1 stop16h 06m

Lambert-St Louis

Wed 5/21

5:45 pm-10:00 am

1 stop34h 15m

$757

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 6/11

12:00 pm-8:53 pm

1 stop14h 53m

Lambert-St Louis

Mon 6/30

12:15 pm-10:00 am

1 stop15h 45m

$1,155

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sat 9/6

1:50 pm-2:19 pm

2 stops30h 29m

Lambert-St Louis

Fri 9/26

3:30 pm-10:20 pm

2 stops24h 50m

$1,706

LondonEvansville

LGW - EVV

LGWEVV

London Gatwick

Sun 6/1

11:35 am-10:08 pm

2 stops16h 33m

Evansville Dress Regional

Sun 6/8

4:48 pm-8:00 pm

2 stops21h 12m

$3,195

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 22 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 $321). 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 April 17, 2025.
To help decide which airline to fly from London to Illinois, see what other customers have to say about Delta, Finnair and SWISS. 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
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
1,580 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
Turkish Airlines
7.3
Good
3,769 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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?

    $559 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and Iberia, with prices starting from $581 and $637, 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 $321). 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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