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Gatwick

$305+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LGW
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This FlightHub deal was found by Cheapflights users on 12/3. 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.
Sun 12/78:25 pmORD - LGW
1 stop13h 20mTAP AIR PORTUGAL
Sat 1/314:35 pmLGW - ORD
1 stop28h 10mTAP AIR PORTUGAL
Deal found 12/3$563
This KAYAK deal was found by Cheapflights users on 12/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:30 pmORD - LGW
1 stop10h 25mIcelandair
Sun 2/111:55 amLGW - ORD
1 stop11h 25mIcelandair
Deal found 12/3$569
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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.
Sun 12/76:30 pmORD - LGW
1 stop10h 25mIcelandair
Fri 1/3011:55 amLGW - ORD
1 stop11h 25mIcelandair
Deal found 12/3$571
This oojo deal was found by Cheapflights users on 12/3. 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.
Sun 12/78:25 pmORD - LGW
1 stop13h 20mTAP AIR PORTUGAL
Thu 12/254:00 pmLGW - ORD
1 stop29h 25mTAP AIR PORTUGAL
Deal found 12/3$575
This FlightHub deal was found by Cheapflights users on 12/3. 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.
Sun 12/76:30 pmORD - LGW
1 stop10h 25mIcelandair
Thu 1/2911:55 amLGW - ORD
1 stop11h 25mIcelandair
Deal found 12/3$578
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/97:40 pmORD - LGW
1 stop15h 35mMultiple Airlines
Tue 12/169:40 amLGW - ORD
1 stop14h 15mMultiple Airlines
Deal found 12/2$587
This Gotogate deal was found by Cheapflights users on 12/4. 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.
Sun 12/78:25 pmORD - LGW
1 stop31h 25mTAP AIR PORTUGAL
Tue 12/169:20 pmLGW - ORD
2 stops23h 40mTAP AIR PORTUGAL
Deal found 12/4$594
This KAYAK deal was found by Cheapflights users on 12/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:30 pmORD - LGW
1 stop10h 25mIcelandair
Mon 2/211:55 amLGW - ORD
1 stop11h 25mIcelandair
Deal found 12/3$601
This oojo deal was found by Cheapflights users on 12/3. 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.
Wed 12/37:10 pmORD - LGW
1 stop13h 55mTAP AIR PORTUGAL
Sat 12/1310:10 amLGW - ORD
2 stops34h 35mTAP AIR PORTUGAL
Deal found 12/3$603
This Mytrip deal was found by Cheapflights users on 12/4. 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 12/127:40 pmORD - LGW
1 stop18h 05mMultiple Airlines
Sat 12/1310:30 pmLGW - ORD
1 stop21h 30mMultiple Airlines
Deal found 12/4$609
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/58:36 amORD - LGW
1 stop15h 24mMultiple Airlines
Wed 1/288:30 amLGW - ORD
2 stops39h 59mMultiple Airlines
Deal found 12/3$615
This Iberia deal was found by Cheapflights users on 12/2. 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 12/309:36 amSTL - LGW
2 stops27h 24mIberia
Thu 1/1511:45 amLGW - STL
2 stops27h 18mIberia
Deal found 12/2$811

Find flight deals from Illinois to Gatwick

Keep the following information in mind while searching for Illinois to Gatwick flight deals. Data was last updated December 4, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$555
(Cheapflightsfares)

One-way from

$305
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$807
Provider with most accurate pricing for Chicago (CHI)-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-London (LON) flights.
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From Illinois to London Gatwick
Search Deals
One-way flight from Illinois to London Gatwick
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Highest demand for flights based on searches. 21% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 4, 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

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 1/19

6:20 am-6:00 am

2 stops41h 40m

London Gatwick

Mon 1/26

2:00 pm-1:13 pm

1 stop29h 13m

$559

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 1/19

4:38 pm-8:35 pm

2 stops21h 57m

London Gatwick

Fri 1/23

2:00 pm-5:52 pm

1 stop33h 52m

$601

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Fri 1/23

1:00 pm-10:00 am

1 stop15h 00m

London Gatwick

Fri 2/6

2:00 pm-8:43 am

2 stops24h 43m

$608

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 1/20

6:35 pm-5:50 pm

2 stops17h 15m

London Gatwick

Mon 1/26

6:40 pm-12:45 pm

1 stop24h 05m

$639

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 3/18

12:50 pm-9:25 am

1 stop15h 35m

London Gatwick

Sun 3/22

5:05 pm-11:05 am

1 stop23h 00m

$655

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 1/24

8:22 pm-6:00 am

2 stops27h 38m

London Gatwick

Fri 2/6

2:00 pm-11:33 pm

1 stop15h 33m

$660

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 1/11

5:11 pm-10:00 am

1 stop34h 49m

London Gatwick

Tue 1/27

1:00 pm-11:33 pm

2 stops40h 33m

$668

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 1/23

11:18 am-10:00 am

1 stop16h 42m

London Gatwick

Sun 1/25

1:00 pm-6:51 am

2 stops23h 51m

$681

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 1/23

11:18 am-10:00 am

1 stop16h 42m

London Gatwick

Tue 2/3

1:00 pm-6:51 am

2 stops23h 51m

$681

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 1/19

8:39 am-10:00 am

1 stop19h 21m

London Gatwick

Tue 2/3

1:00 pm-6:51 am

2 stops23h 51m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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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, February is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of $428). 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 December 4, 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?

    SWISS, Turkish Airlines, and Air France can get you from Illinois to London Gatwick Airport in just under 14h 38m. Your travel time can differ by up to 2h 37m. Illinois and London Gatwick Airport are separated by a distance of 3963 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to London Gatwick Airport one-way?

    The cheapest airlines for a one-way flight from Illinois to London Gatwick Airport are Icelandair ($244), Delta ($382), and British Airways ($401).

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

    While some choose either Lambert-St Louis - London Gatwick or Chicago Midway - 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, February is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of $428). 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
Ilford
Hounslow
Hayes
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Kingston upon Thames
Wembley
Folkestone
Eastbourne
Sutton

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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$497Average$696FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$502Average$825FlexibilityNo cancel feeOn-time70%
IberiaCheapest$606Average$996FlexibilityNo cancel feeOn-time77%
DeltaCheapest$712Average$1,038FlexibilityNo cancel feeOn-timeN/A

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