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Cheap flights from Illinois to London Gatwick Airport from £166

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LGW
25 Jul — 1 Aug1
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 25 June 2026.

Thu 13/820:14
BMI
-
LGW
1 stop31h 46m
Multiple Airlines
Wed 19/814:00
LGW
-
BMI
1 stop24h 29m
Multiple Airlines
Deal found 22/6£584
Wed 23/917:16
MLI
-
LGW
2 stops16h 44m
Delta
Wed 30/910:25
LGW
-
MLI
2 stops18h 05m
Delta
Deal found 23/6£672
Sun 6/922:25
ORD
-
LGW
1 stop10h 15m
Icelandair
Sun 20/915:40
LGW
-
ORD
1 stop11h 45m
Icelandair
Deal found 23/6£707
Tue 21/710:56
ORD
-
LGW
1 stop16h 39m
JetBlue
Wed 12/812:20
LGW
-
ORD
1 stop13h 07m
JetBlue
Deal found 22/6£709
Sat 4/713:55
ORD
-
LGW
1 stop13h 40m
JetBlue
Fri 21/812:20
LGW
-
ORD
1 stop13h 07m
JetBlue
Deal found 24/6£710
Sun 13/914:20
ORD
-
LGW
1 stop12h 05m
SWISS
Tue 22/909:25
LGW
-
ORD
1 stop12h 30m
SWISS
Deal found 21/6£711
Thu 6/811:01
ORD
-
LGW
1 stop16h 34m
JetBlue
Sat 15/812:20
LGW
-
ORD
1 stop27h 46m
JetBlue
Deal found 24/6£712
Mon 10/812:46
MDW
-
LGW
2 stops14h 54m
Air France
Wed 19/810:25
LGW
-
MDW
2 stops18h 11m
Air France
Deal found 21/6£713
Tue 11/820:20
ORD
-
LGW
1 stop31h 15m
JetBlue
Mon 17/812:20
LGW
-
ORD
1 stop13h 07m
JetBlue
Deal found 24/6£713
Wed 12/811:01
ORD
-
LGW
1 stop16h 34m
JetBlue
Sun 23/812:20
LGW
-
ORD
1 stop13h 07m
JetBlue
Deal found 21/6£713
Sat 24/1010:56
PIA
-
LGW
1 stop17h 04m
Multiple Airlines
Wed 28/1010:10
LGW
-
PIA
2 stops32h 09m
Multiple Airlines
Deal found 24/6£714
Thu 6/807:05
ORD
-
LGW
2 stops20h 55m
Multiple Airlines
Tue 11/814:00
LGW
-
ORD
1 stop15h 10m
Multiple Airlines
Deal found 21/6£714

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 25 June 2026.

Round-trip from

£584

One-way from

£166

Popular in

June

Cheapest in

September

Average price

£1,044
13/8-19/8
  • 13/8-19/8
  • 2 total stops
  • 56h 15m total
  • Illinois to London
Search Deals
15/7
  • 15/7
  • 1 total stop
  • 35h 51m total
  • Illinois to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£162 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 25 June 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

MolineLondon

MLI - LGW

MLILGW

Moline Quad-City

Wed 23/9

17:16-16:00

2 stops16h 44m

London Gatwick

Wed 30/9

10:25-22:30

2 stops18h 05m

£672

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Sat 24/10

10:56-10:00

1 stop17h 04m

London Gatwick

Wed 28/10

10:10-13:19

2 stops32h 09m

£714

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 3/12

12:30-09:00

2 stops14h 30m

London Gatwick

Mon 7/12

10:00-22:10

2 stops18h 10m

£740

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 16/8

18:00-20:25

2 stops20h 25m

London Gatwick

Thu 20/8

21:20-16:00

2 stops24h 40m

£746

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Fri 17/7

10:25-07:55

2 stops15h 30m

London Gatwick

Sun 26/7

09:40-14:35

2 stops34h 55m

£748

MolineLondon

MLI - LGW

MLILGW

Moline Quad-City

Mon 30/11

17:00-15:45

2 stops16h 45m

London Gatwick

Tue 8/12

10:00-22:30

2 stops18h 30m

£754

BloomingtonLondon

BMI - LGW

BMILGW

Bloomington-Normal

Thu 13/8

12:09-09:25

2 stops15h 16m

London Gatwick

Wed 19/8

10:25-23:16

2 stops18h 51m

£755

BloomingtonLondon

BMI - LGW

BMILGW

Bloomington-Normal

Thu 6/8

12:09-09:25

2 stops15h 16m

London Gatwick

Thu 13/8

10:25-23:16

2 stops18h 51m

£780

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 14/8

10:30-09:25

2 stops16h 55m

London Gatwick

Sat 22/8

10:25-21:47

2 stops17h 22m

£795

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 24/8

11:01-09:45

2 stops16h 44m

London Gatwick

Wed 9/9

21:15-12:40

2 stops21h 25m

£796

Flights are sorted by cheapest return flights first.

Deals found on 22/6

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 £47). Flying from Illinois to London Gatwick Airport in July is currently the most expensive (average of £549). 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.

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 Delta, TAP AIR PORTUGAL, and Virgin Atlantic fly from Illinois to London Gatwick Airport in about 16h 44m. The time it takes to get you to your destination can typically vary by up to 3h 41m. Illinois and London Gatwick Airport are separated by a distance of 4084 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 £47). Flying from Illinois to London Gatwick Airport in July is currently the most expensive (average of £549). 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
Watford
Southall
Romford
Ipswich
Borehamwood
Folkestone
Southend-on-Sea

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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Boston to Stansted flights
Los Angeles to Stansted flights
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LaGuardia to Stansted flights
Dulles Intl to London City flights
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San Francisco to Gatwick flights
O'Hare Intl to Gatwick flights
Los Angeles to London City flights
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George Bush Intcntl to Heathrow flights
O'Hare Intl to Stansted flights
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Fly with Cheapflights

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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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