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Cheap flights from Illinois to London Gatwick Airport from £287

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LGW
11 May — 18 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Gatwick

Enter your travel dates to find the best prices.

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 11 April 2026.

Tue 14/420:10
ORD
-
LGW
1 stop31h 45m
Turkish Airlines
Mon 20/414:05
LGW
-
ORD
1 stop25h 35m
Turkish Airlines
Deal found 7/4£492
Mon 27/411:25
ORD
-
LGW
2 stops22h 35m
Multiple Airlines
Tue 12/509:40
LGW
-
ORD
2 stops30h 00m
Multiple Airlines
Deal found 7/4£492
Mon 20/420:10
ORD
-
LGW
1 stop20h 15m
Turkish Airlines
Wed 29/417:35
LGW
-
ORD
1 stop22h 05m
Turkish Airlines
Deal found 6/4£493
Wed 15/411:25
ORD
-
LGW
1 stop16h 30m
Turkish Airlines
Tue 28/417:35
LGW
-
ORD
1 stop22h 05m
Turkish Airlines
Deal found 6/4£498
Sun 26/420:10
ORD
-
LGW
1 stop20h 15m
Turkish Airlines
Tue 5/510:50
LGW
-
ORD
1 stop28h 50m
Turkish Airlines
Deal found 8/4£499
Wed 15/411:25
ORD
-
LGW
1 stop19h 45m
Turkish Airlines
Thu 23/417:35
LGW
-
ORD
1 stop22h 05m
Turkish Airlines
Deal found 6/4£501
Wed 22/411:25
ORD
-
LGW
1 stop23h 15m
Turkish Airlines
Wed 29/407:25
LGW
-
ORD
1 stop32h 15m
Turkish Airlines
Deal found 8/4£501
Sun 19/420:10
ORD
-
LGW
1 stop20h 15m
Turkish Airlines
Tue 28/417:35
LGW
-
ORD
1 stop22h 05m
Turkish Airlines
Deal found 9/4£503
Sun 26/420:10
ORD
-
LGW
2 stops21h 15m
Multiple Airlines
Tue 5/506:15
LGW
-
ORD
2 stops33h 25m
Multiple Airlines
Deal found 9/4£504
Mon 27/416:59
STL
-
LGW
2 stops31h 21m
Multiple Airlines
Fri 8/514:00
LGW
-
STL
1 stop16h 21m
Multiple Airlines
Deal found 9/4£598
Thu 14/515:20
MDW
-
LGW
2 stops34h 35m
Multiple Airlines
Sun 17/511:35
LGW
-
MDW
2 stops33h 00m
Multiple Airlines
Deal found 10/4£602
Tue 26/510:30
MDW
-
LGW
2 stops17h 20m
Multiple Airlines
Tue 2/609:40
LGW
-
MDW
2 stops34h 55m
Multiple Airlines
Deal found 6/4£604

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 11 April 2026.

Round-trip from

£492

One-way from

£287

Popular in

June

Cheapest in

February

Average price

£518
27/4-12/5
  • 27/4-12/5
  • 4 total stops
  • 52h 35m total
  • Illinois to London
Search Deals
21/6
  • 21/6
  • 3 total stops
  • 34h 53m total
  • Illinois to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 11 April 2026.
Use the filters below to find and compare flights from Illinois to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 27/4

11:25-13:10

1 stop19h 45m

London Gatwick

Tue 5/5

10:50-09:40

1 stop28h 50m

£605

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Sat 9/5

10:30-09:50

2 stops17h 20m

London Gatwick

Sat 16/5

11:35-14:35

2 stops33h 00m

£634

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 7/5

10:30-09:50

2 stops17h 20m

London Gatwick

Sun 10/5

11:35-14:35

2 stops33h 00m

£646

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Tue 26/5

10:30-09:50

2 stops17h 20m

London Gatwick

Wed 3/6

11:35-09:40

2 stops28h 05m

£684

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 21/4

17:10-16:00

1 stop16h 50m

London Gatwick

Tue 5/5

17:00-12:26

2 stops25h 26m

£691

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Tue 25/8

10:35-09:25

2 stops16h 50m

London Gatwick

Wed 2/9

10:25-21:46

2 stops17h 21m

£692

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 12/8

18:00-14:00

1 stop14h 00m

London Gatwick

Tue 15/9

21:15-16:00

2 stops24h 45m

£713

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 9/5

17:10-16:00

1 stop16h 50m

London Gatwick

Sat 16/5

10:25-21:20

2 stops16h 55m

£729

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Mon 4/5

15:20-10:45

1 stop13h 25m

London Gatwick

Wed 13/5

09:45-09:45

2 stops30h 00m

£729

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Mon 22/6

10:25-09:50

2 stops17h 25m

London Gatwick

Tue 30/6

11:35-09:40

2 stops28h 05m

£737

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 return 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, June is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of £46). Flying from Illinois to London Gatwick Airport in May is currently the most expensive (average of £735). 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.

How much does it cost for a return flight from Illinois to London Gatwick Airport?

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?

    Airlines like Turkish Airlines, Porter Airlines, and Virgin Atlantic fly from Illinois to London Gatwick Airport in about 16h 50m. The time it takes to get you to your destination can typically vary by up to 2h 55m. Illinois and London Gatwick Airport are separated by a distance of 3960 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    The most popular route from Illinois to London Gatwick Airport is Chicago O'Hare Intl - London Gatwick. You may also consider Lambert-St Louis - London Gatwick or Chicago Midway - London Gatwick.

  • 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 holiday 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, June is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of £46). Flying from Illinois to London Gatwick Airport in May is currently the most expensive (average of £735). 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

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Gatwick?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Gatwick. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Gatwick?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Gatwick from Illinois.

Can Cheapflights find flights from Illinois to Gatwick with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Illinois to Gatwick flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Illinois to Gatwick become cheaper?

Yes, Cheapflights offers price alerts on Illinois to Gatwick flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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