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$333+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — ORD
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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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 October 16, 2025.

This Mytrip deal was found by Cheapflights users on 10/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:50 amLGW - ORD
2 stops14h 30mMultiple Airlines
Fri 12/56:30 pmORD - LGW
2 stops18h 00mMultiple Airlines
Deal found 10/16$531
This Justfly.com deal was found by Cheapflights users on 10/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:00 pmLGW - ORD
1 stop29h 25mTAP AIR PORTUGAL
Wed 11/127:10 pmORD - LGW
1 stop13h 55mTAP AIR PORTUGAL
Deal found 10/14$532
This FlightHub deal was found by Cheapflights users on 10/14. 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.
Thu 11/64:00 pmLGW - ORD
1 stop29h 25mTAP AIR PORTUGAL
Fri 11/148:15 pmORD - LGW
1 stop13h 30mTAP AIR PORTUGAL
Deal found 10/14$533
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 11/212:00 pmLGW - ORD
1 stop25h 06mMultiple Airlines
Fri 12/1212:09 pmORD - LGW
1 stop15h 51mMultiple Airlines
Deal found 10/14$535
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Thu 11/62:00 pmLGW - ORD
1 stop28h 26mMultiple Airlines
Mon 11/176:40 amORD - LGW
1 stop17h 20mMultiple Airlines
Deal found 10/16$538
This Mytrip deal was found by Cheapflights users on 10/14. 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.
Mon 11/39:00 amLGW - ORD
1 stop13h 00mMultiple Airlines
Sun 11/93:50 pmORD - LGW
1 stop17h 45mMultiple Airlines
Deal found 10/14$539
This Mytrip deal was found by Cheapflights users on 10/15. 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.
Wed 11/122:25 pmLGW - ORD
2 stops32h 20mMultiple Airlines
Wed 11/197:20 pmORD - LGW
2 stops19h 45mMultiple Airlines
Deal found 10/15$544
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 11/62:00 pmLGW - ORD
1 stop15h 06mMultiple Airlines
Sat 11/87:34 pmORD - LGW
1 stop28h 26mMultiple Airlines
Deal found 10/14$545
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Tue 11/255:20 pmLGW - ORD
2 stops27h 40mMultiple Airlines
Wed 12/106:40 amORD - LGW
1 stop17h 20mMultiple Airlines
Deal found 10/14$549
This Travelis deal was found by Cheapflights users on 10/15. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:55 amLGW - ORD
1 stop11h 25mIcelandair
Mon 12/16:30 pmORD - LGW
1 stop10h 25mIcelandair
Deal found 10/15$550
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 11/72:00 pmLGW - ORD
1 stop15h 06mMultiple Airlines
Sat 11/1511:35 amORD - LGW
2 stops27h 05mMultiple Airlines
Deal found 10/14$551
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Wed 11/191:00 pmLGW - MDW
1 stop28h 42mMultiple Airlines
Tue 11/256:20 amMDW - LGW
1 stop17h 40mMultiple Airlines
Deal found 10/16$579

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$531
(Mytrip)

One-way from

$333
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$720
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 ($111 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 October 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 October 16, 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

Thu 1/8

2:00 pm-5:04 pm

1 stop33h 04m

Chicago O'Hare Intl

Fri 1/23

6:05 am-10:00 am

1 stop21h 55m

$545

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Wed 11/19

1:00 pm-11:42 am

1 stop28h 42m

Chicago Midway

Tue 11/25

6:20 am-6:00 am

1 stop17h 40m

$579

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 11/10

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Thu 11/20

6:30 pm-10:55 am

1 stop10h 25m

$593

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 11/17

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Tue 11/25

6:30 pm-10:55 am

1 stop10h 25m

$596

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 11/17

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Thu 11/27

6:30 pm-10:55 am

1 stop10h 25m

$596

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 11/17

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Wed 11/26

6:30 pm-10:55 am

1 stop10h 25m

$596

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Fri 11/7

2:00 pm-10:26 am

1 stop26h 26m

Chicago Midway

Tue 11/18

6:26 pm-3:45 pm

2 stops15h 19m

$610

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Thu 11/13

11:55 am-11:55 pm

2 stops18h 00m

Chicago Midway

Thu 11/20

6:20 am-10:55 am

2 stops22h 35m

$618

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 12/6

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Mon 12/8

6:30 pm-10:55 am

1 stop10h 25m

$626

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 11/12

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Sun 11/23

6:30 pm-10:55 am

1 stop10h 25m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 56 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, March is the cheapest month in which you can book a flight from London Gatwick Airport to Illinois (average of $404). 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 October 16, 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
556 reviews

Entertainment

7.0

Food

6.2

Boarding

7.2

Crew

8.1

Comfort

6.9

Overall

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
Icelandair
7.0
Good
556 reviews
Icelandair
7.0
Good
556 reviews

Entertainment

7.0

Food

6.2

Boarding

7.2

Crew

8.1

Comfort

6.9

Overall

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

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 and American Airlines fly from London Gatwick Airport to Illinois in about 11h 25m. The time it takes to get you to your destination can typically vary by up to 38h 11m. London Gatwick Airport and Illinois are separated by a distance of 3960 mi. This flight may include one or multiple stops.

  • 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, March is the cheapest month in which you can book a flight from London Gatwick Airport to Illinois (average of $404). 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$390Average$558FlexibilityNo cancel feeOn-time76%

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