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Cheap flights from Illinois to London Gatwick Airport from £205

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 13/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LGW
15 Jun — 22 Jun1
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 16 May 2026.

Thu 22/1020:10
ORD
-
LGW
1 stop20h 15m
Turkish Airlines
Fri 6/1106:25
LGW
-
ORD
1 stop19h 00m
Turkish Airlines
Deal found 11/5£615
Thu 18/607:25
ORD
-
LGW
2 stops20h 25m
Multiple Airlines
Tue 23/609:40
LGW
-
ORD
2 stops33h 30m
Multiple Airlines
Deal found 11/5£623
Sun 5/722:25
ORD
-
LGW
1 stop10h 15m
Icelandair
Thu 3/913:00
LGW
-
ORD
1 stop11h 15m
Icelandair
Deal found 11/5£625
Mon 15/620:20
ORD
-
LGW
2 stops31h 30m
Multiple Airlines
Mon 22/611:35
LGW
-
ORD
2 stops31h 47m
Multiple Airlines
Deal found 12/5£632
Mon 10/822:25
ORD
-
LGW
2 stops15h 00m
Multiple Airlines
Tue 1/914:00
LGW
-
ORD
1 stop15h 14m
Multiple Airlines
Deal found 12/5£633
Thu 28/520:35
ORD
-
LGW
2 stops31h 15m
Multiple Airlines
Sun 31/511:35
LGW
-
ORD
2 stops27h 25m
Multiple Airlines
Deal found 12/5£634
Sat 30/520:35
ORD
-
LGW
2 stops31h 15m
Multiple Airlines
Sat 6/611:35
LGW
-
ORD
2 stops27h 25m
Multiple Airlines
Deal found 11/5£635
Mon 10/822:25
ORD
-
LGW
1 stop10h 15m
Icelandair
Fri 14/815:40
LGW
-
ORD
1 stop11h 45m
Icelandair
Deal found 11/5£636
Fri 12/620:20
ORD
-
LGW
2 stops31h 30m
Multiple Airlines
Mon 15/611:35
LGW
-
ORD
2 stops35h 24m
Multiple Airlines
Deal found 11/5£637
Fri 5/610:15
MDW
-
LGW
2 stops17h 35m
Multiple Airlines
Sun 14/609:40
LGW
-
MDW
2 stops34h 55m
Multiple Airlines
Deal found 11/5£638
Sun 1/1118:30
ORD
-
LGW
1 stop10h 25m
Icelandair
Sun 31/111:55
LGW
-
ORD
1 stop11h 25m
Icelandair
Deal found 12/5£638
Sat 29/822:25
ORD
-
LGW
1 stop10h 10m
Multiple Airlines
Mon 7/909:25
LGW
-
ORD
1 stop12h 30m
Multiple Airlines
Deal found 13/5£638

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 16 May 2026.

Round-trip from

£614

One-way from

£205

Popular in

June

Cheapest in

February

Average price

£692
SWISS
  • SWISS
  • 20/9-30/9
  • 2 total stops
  • 24h 35m total
  • Illinois to London
Search Deals
13/7
  • 13/7
  • 2 total stops
  • 35h 08m total
  • Illinois to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£152 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 16 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

Thu 18/6

10:25-09:50

2 stops17h 25m

London Gatwick

Tue 23/6

11:35-09:40

2 stops28h 05m

£661

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Sun 31/5

10:30-09:50

2 stops17h 20m

London Gatwick

Fri 5/6

09:40-09:35

2 stops29h 55m

£688

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 11/9

17:10-09:25

1 stop10h 15m

London Gatwick

Fri 18/9

17:00-10:00

2 stops23h 00m

£699

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Fri 21/8

13:27-09:25

2 stops13h 58m

London Gatwick

Wed 26/8

10:25-22:36

2 stops18h 11m

£702

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 8/11

17:55-15:45

2 stops15h 50m

London Gatwick

Mon 16/11

10:00-21:33

2 stops17h 33m

£702

BloomingtonLondon

BMI - LGW

BMILGW

Bloomington-Normal

Tue 29/9

12:00-09:25

2 stops15h 25m

London Gatwick

Mon 5/10

10:25-22:22

2 stops17h 57m

£703

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Sat 13/6

10:15-09:50

2 stops17h 35m

London Gatwick

Sat 20/6

11:35-14:35

2 stops33h 00m

£705

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Tue 2/6

10:15-10:45

1 stop18h 30m

London Gatwick

Tue 9/6

14:00-11:09

2 stops27h 09m

£707

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Wed 3/6

10:15-10:45

1 stop18h 30m

London Gatwick

Sat 6/6

10:45-09:35

2 stops28h 50m

£723

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Mon 1/6

15:20-10:45

1 stop13h 25m

London Gatwick

Mon 15/6

10:45-09:35

2 stops28h 50m

£735

Flights are sorted by cheapest return flights first.

Deals found on 11/5

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 July is currently the most expensive (average of £511). 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, Virgin Atlantic, and Delta fly from Illinois to London Gatwick Airport in about 10h 15m. The time it takes to get you to your destination can typically vary by up to 7h 10m. 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 £511). 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
Hounslow
Croydon
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Southall
Chelmsford

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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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