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$281+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — ORD
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Cheap 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 December 8, 2025.

This oojo deal was found by Cheapflights users on 12/8. 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.
Thu 12/1111:55 amLGW - ORD
1 stop11h 25mIcelandair
Mon 12/156:30 pmORD - LGW
1 stop10h 25mIcelandair
Deal found 12/8$677
This FlightHub deal was found by Cheapflights users on 12/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/134:35 pmLGW - ORD
1 stop28h 10mTAP AIR PORTUGAL
Wed 1/77:10 pmORD - LGW
1 stop13h 55mTAP AIR PORTUGAL
Deal found 12/7$701
This Mytrip deal was found by Cheapflights users on 12/7. 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 12/137:55 pmLGW - ORD
2 stops24h 50mMultiple Airlines
Tue 1/276:30 pmORD - LGW
3 stops18h 00mMultiple Airlines
Deal found 12/7$704
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/155:20 pmLGW - ORD
2 stops51h 40mMultiple Airlines
Thu 1/158:51 pmORD - LGW
1 stop31h 09mMultiple Airlines
Deal found 12/7$717
This oojo deal was found by Cheapflights users on 12/8. 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.
Thu 12/1111:55 amLGW - ORD
1 stop11h 25mIcelandair
Fri 9/257:25 pmORD - LGW
1 stop13h 15mIcelandair
Deal found 12/8$718
This Gotogate deal was found by Cheapflights users on 12/8. 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.
Thu 12/1111:55 amLGW - ORD
1 stop11h 25mIcelandair
Sat 1/106:30 pmORD - LGW
1 stop10h 25mIcelandair
Deal found 12/8$738
This Kiwi.com deal was found by Cheapflights users on 12/5. 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.
Thu 12/2512:45 pmLGW - ORD
2 stops32h 40mMultiple Airlines
Mon 1/1912:44 pmORD - LGW
1 stop15h 16mMultiple Airlines
Deal found 12/5$754
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
Thu 12/2512:45 pmLGW - ORD
2 stops32h 40mMultiple Airlines
Sat 1/315:53 pmORD - LGW
1 stop30h 07mMultiple Airlines
Deal found 12/7$762
This Kiwi.com deal was found by Cheapflights users on 12/6. 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 12/1510:40 amLGW - MDW
2 stops32h 21mMultiple Airlines
Thu 1/1511:27 amMDW - LGW
1 stop16h 33mMultiple Airlines
Deal found 12/6$770
This Kiwi.com deal was found by Cheapflights users on 12/5. 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.
Thu 12/2512:45 pmLGW - ORD
2 stops32h 40mMultiple Airlines
Fri 1/1612:31 pmORD - LGW
1 stop15h 29mMultiple Airlines
Deal found 12/5$770
This Kiwi.com deal was found by Cheapflights users on 12/5. 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.
Thu 12/2512:45 pmLGW - ORD
2 stops32h 40mMultiple Airlines
Thu 1/1512:44 pmORD - LGW
1 stop15h 16mMultiple Airlines
Deal found 12/5$781
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
Thu 12/182:00 pmLGW - STL
1 stop14h 33mMultiple Airlines
Wed 1/75:11 pmSTL - LGW
1 stop34h 49mMultiple Airlines
Deal found 12/7$1,101

Find flight deals from Gatwick to Illinois

Keep the following information in mind while searching for Gatwick to Illinois flight deals. Data was last updated December 8, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$555
(Kiwi.com)

One-way from

$281
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$792
Provider with most accurate pricing for London (LON)-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Chicago (CHI) flights.
Search Deals
From London Gatwick to Illinois
Search Deals
One-way flight from London Gatwick to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 8, 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

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 1/12

2:00 pm-6:51 am

2 stops46h 51m

Lambert-St Louis

Mon 1/26

10:16 am-10:00 am

1 stop17h 44m

$555

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 1/22

2:00 pm-10:23 am

1 stop26h 23m

Lambert-St Louis

Thu 1/29

5:42 pm-10:00 am

1 stop34h 18m

$571

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 1/15

2:00 pm-10:34 pm

1 stop14h 34m

Lambert-St Louis

Sun 1/18

5:11 pm-10:00 am

1 stop34h 49m

$573

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 5/12

1:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Sat 5/16

7:25 pm-11:45 am

1 stop10h 20m

$648

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Mon 1/12

2:00 pm-11:09 pm

1 stop15h 09m

Chicago Midway

Mon 1/19

10:07 am-10:00 am

1 stop17h 53m

$649

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 5/15

3:40 pm-9:40 pm

1 stop12h 00m

Chicago O'Hare Intl

Wed 5/20

7:25 pm-11:45 am

1 stop10h 20m

$658

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 5/15

3:40 pm-9:40 pm

1 stop12h 00m

Chicago O'Hare Intl

Tue 5/19

10:40 pm-2:40 pm

1 stop10h 00m

$658

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 5/15

3:40 pm-9:40 pm

1 stop12h 00m

Chicago O'Hare Intl

Sun 5/17

10:40 pm-2:40 pm

1 stop10h 00m

$691

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 5/16

1:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Mon 5/18

7:25 pm-2:40 pm

1 stop13h 15m

$718

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 5/16

1:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Tue 5/19

7:25 pm-2:40 pm

1 stop13h 15m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 51 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, December is the cheapest month in which you can book a flight from London Gatwick Airport to Illinois (average of $318). Flying from London Gatwick Airport to Illinois in July is currently the most expensive (average of $688). 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.

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 December 8, 2025.
Get a feel of what it's like to fly with Icelandair from London Gatwick Airport to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
586 reviews

Comfort

6.9

Food

6.2

Entertainment

7.0

Overall

7.0

Crew

8.0

Boarding

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
Icelandair
7.0
Good
586 reviews
Icelandair
7.0
Good
586 reviews

Comfort

6.9

Food

6.2

Entertainment

7.0

Overall

7.0

Crew

8.0

Boarding

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.

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?

    Airlines like Icelandair fly from London Gatwick Airport to Illinois in about 11h 15m. The time it takes to get you to your destination can typically vary by up to . London Gatwick Airport and Illinois are separated by a distance of 3960 mi.

  • 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 - Chicago Midway and 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 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, December is the cheapest month in which you can book a flight from London Gatwick Airport to Illinois (average of $318). Flying from London Gatwick Airport to Illinois in July is currently the most expensive (average of $688). 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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Top airline flying from Gatwick to Illinois

Discover the top airline that operate flights from Gatwick to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$390Average$542FlexibilityNo cancel feeOn-time76%

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