Find flights
When to book
FAQs

Cheap flights from Illinois to London Gatwick Airport from £204

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LGW
29 Jun — 6 Jul1
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 30 May 2026.

Mon 20/722:25
ORD
-
LGW
1 stop10h 15m
Multiple Airlines
Mon 10/806:10
LGW
-
ORD
3 stops34h 06m
Multiple Airlines
Deal found 25/5£657
Wed 26/806:00
ORD
-
LGW
2 stops28h 00m
Delta
Tue 1/910:35
LGW
-
ORD
2 stops28h 52m
Delta
Deal found 26/5£657
Sun 12/722:25
ORD
-
LGW
1 stop31h 20m
Multiple Airlines
Sat 25/708:50
LGW
-
ORD
2 stops39h 25m
Multiple Airlines
Deal found 25/5£658
Thu 23/719:25
ORD
-
LGW
2 stops20h 00m
Multiple Airlines
Fri 21/814:10
LGW
-
ORD
2 stops34h 05m
Multiple Airlines
Deal found 25/5£659
Tue 9/610:15
MDW
-
LGW
2 stops15h 40m
Multiple Airlines
Tue 23/621:35
LGW
-
MDW
3 stops41h 39m
Multiple Airlines
Deal found 26/5£660
Thu 20/819:50
ORD
-
LGW
2 stops18h 35m
TAP AIR PORTUGAL
Wed 26/816:25
LGW
-
ORD
1 stop26h 15m
TAP AIR PORTUGAL
Deal found 25/5£660
Tue 7/721:00
ORD
-
LGW
1 stop18h 15m
Multiple Airlines
Tue 21/708:50
LGW
-
ORD
1 stop16h 25m
Multiple Airlines
Deal found 25/5£660
Thu 23/719:25
ORD
-
LGW
1 stop13h 15m
Multiple Airlines
Sun 26/722:10
LGW
-
ORD
2 stops29h 55m
Multiple Airlines
Deal found 26/5£661
Sat 4/716:59
ORD
-
LGW
1 stop35h 01m
Multiple Airlines
Wed 15/717:25
LGW
-
ORD
2 stops25h 15m
Multiple Airlines
Deal found 26/5£662
Sun 27/911:25
ORD
-
LGW
1 stop16h 30m
Turkish Airlines
Sun 4/1017:35
LGW
-
ORD
1 stop22h 05m
Turkish Airlines
Deal found 25/5£663
Tue 9/610:15
MDW
-
LGW
2 stops17h 35m
Porter Airlines
Mon 15/611:35
LGW
-
MDW
2 stops28h 00m
Porter Airlines
Deal found 26/5£663
Mon 3/822:25
ORD
-
LGW
1 stop10h 15m
Multiple Airlines
Fri 21/812:20
LGW
-
ORD
1 stop13h 05m
Multiple Airlines
Deal found 25/5£664

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 30 May 2026.

Round-trip from

£657

One-way from

£204

Popular in

June

Cheapest in

February

Average price

£696
20/7-10/8
  • 20/7-10/8
  • 4 total stops
  • 44h 21m total
  • Illinois to London
Search Deals
28/7
  • 28/7
  • 2 total stops
  • 32h 57m total
  • Illinois to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£154 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 30 May 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

MDW - LGW

MDWLGW

Chicago Midway

Tue 9/6

10:15-09:50

2 stops17h 35m

London Gatwick

Mon 15/6

11:35-09:35

2 stops28h 00m

£663
Fastest return journey

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 15/8

13:55-09:35

1 stop13h 40m

London Gatwick

Wed 26/8

12:20-19:25

1 stop13h 05m

£685

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 16/8

17:10-16:00

1 stop16h 50m

London Gatwick

Sun 23/8

10:25-21:47

2 stops17h 22m

£692

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Mon 6/7

10:25-09:50

2 stops17h 25m

London Gatwick

Mon 13/7

11:35-09:40

2 stops28h 05m

£692

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 27/7

12:27-09:40

2 stops15h 13m

London Gatwick

Mon 31/8

10:25-00:02

2 stops19h 37m

£695

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Tue 9/6

10:15-07:55

2 stops15h 40m

London Gatwick

Fri 12/6

11:35-09:35

2 stops28h 00m

£715

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Sat 20/6

18:55-10:45

2 stops33h 50m

London Gatwick

Sun 28/6

09:40-09:40

2 stops30h 00m

£730

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Sat 3/10

11:25-09:20

2 stops15h 55m

London Gatwick

Sat 10/10

10:25-21:45

2 stops17h 20m

£732

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Sat 22/8

13:27-09:20

2 stops13h 53m

London Gatwick

Mon 31/8

10:25-22:36

2 stops18h 11m

£732

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 10/9

17:59-16:00

2 stops16h 01m

London Gatwick

Thu 24/9

10:25-22:25

2 stops18h 00m

£747

Flights are sorted by cheapest return flights first.

Deals found on 28/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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 July is currently the most expensive (average of £507). 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 Porter Airlines, JetBlue, and Delta fly from Illinois to London Gatwick Airport in about 13h 40m. The time it takes to get you to your destination can typically vary by up to 3h 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 July is currently the most expensive (average of £507). 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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Romford
Guildford
Borehamwood
Southall
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Newark to Gatwick flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to London City flights
LaGuardia to Heathrow flights
Boston to Heathrow flights
Los Angeles to Heathrow flights
Dulles Intl to Heathrow flights
LaGuardia to Gatwick flights
Dallas/Fort Worth to Heathrow flights
Boston to Gatwick flights
O'Hare Intl to Heathrow flights
Baltimore to Heathrow flights
San Francisco to Heathrow flights
Newark to Stansted flights
Seattle to Heathrow flights
Newark to Luton flights
Hobby to Heathrow flights
Orlando to Heathrow flights
Atlanta to Heathrow flights
LaGuardia to Stansted flights
Newark to London City flights
Miami to Heathrow flights
Los Angeles to Gatwick flights
George Bush Intcntl to Heathrow flights
Philadelphia to Heathrow flights
Boston to London City flights
Boston to Stansted flights
Los Angeles to Stansted flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Denver to Heathrow flights
O'Hare Intl to Gatwick flights
Dulles Intl to London City flights
Orlando to Gatwick flights
O'Hare Intl to Stansted flights
Baltimore to Gatwick flights
Los Angeles to London City flights
Sky Harbor Intl to Heathrow flights
Reagan-National to Gatwick flights
O'Hare Intl to London City flights
San Francisco to Gatwick flights
Seattle to Gatwick flights
San Francisco to Stansted flights
Dallas/Fort Worth to Gatwick flights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.