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Gatwick

$235+ Cheap flights from Illinois to Gatwick (LGW)

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LGW
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap flight deals from Illinois to Gatwick

Keep the following information in mind while searching for Illinois to Gatwick flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$528
(Mytrip)

One-way from

$235
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$669
Provider with most accurate pricing for Chicago (CHI)-London (LON) flight deals.
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From Illinois to London Gatwick
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One-way flight from Illinois to London Gatwick
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Highest demand for flights based on searches. 21% potential increase in price ($203 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Illinois to Gatwick

Cheapest flights from Illinois to Gatwick
Explore the most affordable flight options available from Illinois to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:40 amORD - LGW
1 stop17h 20mMultiple Airlines
Thu 11/132:00 pmLGW - ORD
1 stop28h 26mMultiple Airlines
Deal found 10/15$529
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:30 pmORD - LGW
1 stop10h 25mIcelandair
Sat 11/1511:55 amLGW - ORD
1 stop11h 25mIcelandair
Deal found 10/16$530
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.
Wed 11/56:40 amORD - LGW
1 stop17h 20mMultiple Airlines
Thu 11/132:00 pmLGW - ORD
1 stop28h 26mMultiple Airlines
Deal found 10/14$532
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.
Thu 11/276:30 pmORD - LGW
2 stops22h 00mMultiple Airlines
Sat 12/61:10 pmLGW - ORD
3 stops34h 10mMultiple Airlines
Deal found 10/16$533
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 11/126:30 pmORD - LGW
1 stop10h 25mIcelandair
Mon 11/1711:55 amLGW - ORD
1 stop11h 25mIcelandair
Deal found 10/16$534
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 11/116:40 amORD - LGW
1 stop17h 20mMultiple Airlines
Tue 11/181:00 pmLGW - ORD
1 stop29h 45mMultiple Airlines
Deal found 10/14$535
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 11/123:35 pmORD - LGW
2 stops16h 40mMultiple Airlines
Wed 11/199:25 amLGW - ORD
2 stops16h 40mMultiple Airlines
Deal found 10/15$538
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 11/186:26 pmMDW - LGW
2 stops32h 59mMultiple Airlines
Thu 12/42:00 pmLGW - MDW
1 stop29h 10mMultiple Airlines
Deal found 10/14$553
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 11/116:26 pmMDW - LGW
1 stop29h 34mMultiple Airlines
Tue 11/181:00 pmLGW - MDW
1 stop16h 55mMultiple Airlines
Deal found 10/14$572
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:26 pmMDW - LGW
1 stop29h 34mMultiple Airlines
Tue 11/181:00 pmLGW - MDW
1 stop16h 55mMultiple Airlines
Deal found 10/15$577
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.
Tue 11/256:20 amMDW - LGW
1 stop17h 40mMultiple Airlines
Wed 12/1012:10 pmLGW - MDW
2 stops30h 51mMultiple Airlines
Deal found 10/16$580
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 10/2310:49 amMDW - LGW
1 stop17h 11mMultiple Airlines
Sat 11/12:00 pmLGW - MDW
1 stop25h 12mMultiple Airlines
Deal found 10/14$590

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Gatwick 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 Illinois to London Gatwick Airport that are best for you.

Fly from

Illinois

Fly to

Gatwick

Route

Depart

Return

Price

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 12/6

3:30 pm-10:05 am

1 stop12h 35m

London Gatwick

Fri 1/9

2:00 pm-10:33 pm

1 stop14h 33m

$619

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 11/8

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Sat 11/15

11:55 am-5:20 pm

1 stop11h 25m

$619

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 11/27

6:20 am-3:50 pm

2 stops27h 30m

London Gatwick

Sat 12/6

2:00 pm-5:27 pm

1 stop33h 27m

$630

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 1/15

12:15 pm-7:30 am

1 stop13h 15m

London Gatwick

Mon 1/19

7:40 pm-2:30 pm

1 stop24h 50m

$642

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 12/11

2:15 pm-10:00 am

1 stop13h 45m

London Gatwick

Mon 12/15

6:45 am-11:25 pm

2 stops46h 40m

$649

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 11/6

6:26 pm-8:40 pm

2 stops20h 14m

London Gatwick

Fri 11/14

2:00 pm-10:26 am

1 stop26h 26m

$667

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 10/27

6:05 pm-6:00 am

2 stops30h 55m

London Gatwick

Thu 11/6

2:00 pm-1:17 pm

1 stop29h 17m

$667

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 12/5

3:30 pm-10:00 am

1 stop12h 30m

London Gatwick

Fri 1/9

2:00 pm-10:33 pm

1 stop14h 33m

$669

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 10/26

9:25 pm-9:50 am

1 stop31h 25m

London Gatwick

Tue 11/4

9:20 pm-3:00 pm

2 stops23h 40m

$694

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 11/25

4:05 pm-9:35 pm

3 stops23h 30m

London Gatwick

Tue 12/2

4:35 pm-1:55 pm

2 stops27h 20m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Illinois 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 Illinois to London Gatwick Airport

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

Currently, March is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of $467). Flying from Illinois to London Gatwick Airport in July is currently the most expensive (average of $705). 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.

What is the cheapest time of day to fly from IL to LGW?

Find hourly flight availability from Illinois to Gatwick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to London Gatwick Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Gatwick. 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 Illinois to London Gatwick Airport?

    Icelandair, TAP AIR PORTUGAL, and SWISS can get you from Illinois to London Gatwick Airport in just under 10h 25m. Your travel time can differ by up to 21h. Illinois and London Gatwick Airport are separated by a distance of 3960 mi. This flight may include one or multiple stops.

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

    While some choose either Chicago Midway - London Gatwick or Lambert-St Louis - London Gatwick, Chicago O'Hare Intl - London Gatwick is the most popular route from Illinois to London Gatwick Airport.

  • Can I find deals for flights from Illinois to Gatwick that include hotel bookings?

    Yes. In addition to deals on Illinois to Gatwick flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Gatwick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Gatwick.

  • Can I find deals for business class flights from Illinois to Gatwick?

    Yes. Cheapflights offers flight deals from Illinois to Gatwick 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 Illinois to London Gatwick Airport?

    Currently, March is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of $467). Flying from Illinois to London Gatwick Airport in July is currently the most expensive (average of $705). 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

Traveling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Hayes
Ilford
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Gatwick

Discover the top 4 airlines that operate flights from Illinois to Gatwick. 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
British AirwaysCheapest$502Average$825FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$507Average$711FlexibilityNo cancel feeOn-time76%
IberiaCheapest$606Average$1,005FlexibilityNo cancel feeOn-time77%
DeltaCheapest$712Average$1,038FlexibilityNo cancel feeOn-timeN/A

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