How long is the flight from Illinois to London Gatwick Airport?

Airlines like Turkish Airlines, Delta, and Icelandair fly from Illinois to London Gatwick Airport in about 13h 10m. The time it takes to get you to your destination can typically vary by up to 7h 05m. 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.

In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Gatwick Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Gatwick Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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.

What is the cheapest time of day to fly from IL to LGW?

When flying from Illinois to London Gatwick Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£193+ Cheap Flights from Illinois to London Gatwick Airport

Cheap flight deals from Illinois to Gatwick

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 22 August 2026.

Sat 24/1016:30 -

1 stop34h 45m

Tue 3/1110:10 -

2 stops29h 30m

Deal found 21/8£447

Mon 19/1018:35 -

2 stops33h 25m

Thu 29/1011:00 -

1 stop17h 16m

Deal found 21/8£470

Fri 23/1018:35 -

2 stops33h 25m

Thu 5/1111:00 -

1 stop18h 16m

Deal found 21/8£475

Fri 23/1018:35 -

2 stops33h 25m

Fri 6/1112:35 -

1 stop16h 41m

Deal found 21/8£478

Sun 18/1016:30 -

1 stop35h 30m

Wed 4/1110:10 -

2 stops29h 30m

Deal found 17/8£479

Mon 19/1018:35 -

2 stops33h 25m

Fri 30/1012:35 -

1 stop15h 41m

Deal found 21/8£481

Wed 21/1018:35 -

2 stops33h 25m

Thu 29/1011:00 -

1 stop17h 16m

Deal found 21/8£483

Tue 1/1206:15 -

1 stop17h 45m

Tue 8/1210:10 -

1 stop33h 01m

Deal found 21/8£484

Tue 3/1110:35 -

2 stops37h 25m

Thu 12/1111:00 -

1 stop14h 39m

Deal found 18/8£485

Wed 18/1119:15 -

2 stops18h 55m

Wed 25/1117:40 -

2 stops29h 05m

Deal found 19/8£486

Thu 12/1109:51 -

1 stop14h 59m

Wed 18/1110:10 -

1 stop28h 11m

Deal found 20/8£487

Thu 5/1118:30 -

2 stops18h 20m

Sun 15/1117:30 -

2 stops29h 50m

Deal found 19/8£488

Best flights from Illinois to Gatwick
Discover carefully curated flight deals from Illinois to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Fri 16/1018:35 -

2 stops33h 25m

Thu 29/1011:00 -

1 stop17h 16m

Deal found 21/8£524

Sun 13/920:10 -

1 stop20h 15m

Wed 25/1117:25 -

1 stop22h 35m

Deal found 20/8£640

Tue 3/1118:25 -

1 stop15h 20m

Tue 10/1110:00 -

1 stop12h 15m

Deal found 18/8£648

Sat 17/1019:25 -

1 stop13h 10m

Thu 22/1015:40 -

1 stop32h 35m

Deal found 17/8£652

Mon 9/1112:06 -

2 stops14h 54m

Wed 25/1110:00 -

2 stops18h 20m

Deal found 21/8£654

Tue 29/909:38 -

2 stops18h 07m

Wed 7/1016:25 -

1 stop26h 15m

Deal found 19/8£725

Tue 9/218:50 -

2 stops17h 50m

Sun 21/206:55 -

2 stops15h 20m

Deal found 20/8£750

Thu 15/1013:55 -

2 stops20h 05m

Thu 22/1017:00 -

2 stops22h 27m

Deal found 19/8£751

Fri 16/1012:49 -

2 stops15h 51m

Thu 29/1011:15 -

2 stops29h 54m

Deal found 21/8£758

Sun 4/1017:19 -

1 stop34h 41m

Sat 10/1014:00 -

1 stop15h 13m

Deal found 19/8£594

Fri 4/1218:25 -

1 stop15h 20m

Thu 10/1210:00 -

1 stop12h 15m

Deal found 21/8£670

Wed 9/1218:25 -

1 stop15h 20m

Sun 13/1210:00 -

1 stop12h 15m

Deal found 18/8£670

Wed 21/1015:00 -

2 stops17h 40m

Wed 28/1011:55 -

2 stops15h 30m

Deal found 19/8£745

Mon 30/1113:22 -

2 stops20h 23m

Mon 7/1210:00 -

2 stops18h 56m

Deal found 20/8£681

Tue 29/909:38 -

2 stops18h 07m

Tue 6/1021:15 -

2 stops45h 25m

Deal found 19/8£829

Tue 29/912:45 -

3 stops19h 55m

Wed 14/1015:40 -

2 stops38h 35m

Deal found 20/8£747

Wed 23/911:19 -

2 stops16h 06m

Wed 30/910:25 -

2 stops18h 05m

Deal found 18/8£709

Thu 24/917:10 -

1 stop10h 15m

Mon 28/910:25 -

2 stops16h 31m

Deal found 18/8£728

Fri 29/120:10 -

1 stop13h 35m

Mon 1/211:00 -

3 stops36h 43m

Deal found 21/8£813

Wed 23/916:45 -

2 stops15h 55m

Wed 30/915:40 -

2 stops37h 35m

Deal found 20/8£823

Thu 12/1112:20 -

2 stops14h 40m

Mon 16/1110:00 -

2 stops17h 33m

Deal found 17/8£769

Sat 6/214:10 -

2 stops14h 45m

Sat 20/211:55 -

2 stops16h 45m

Deal found 21/8£829

Wed 2/912:52 -

2 stops14h 33m

Tue 8/910:35 -

2 stops15h 23m

Deal found 19/8£814

Fri 30/1012:15 -

2 stops17h 40m

Sun 8/1111:55 -

2 stops18h 10m

Deal found 21/8£840

Sun 4/1010:43 -

2 stops15h 42m

Sat 10/1009:25 -

2 stops15h 36m

Deal found 21/8£1,540

Sat 17/1012:00 -

2 stops15h 20m

Sat 24/1010:25 -

2 stops16h 26m

Deal found 21/8£826

Sun 13/1215:10 -

2 stops13h 45m

Sun 20/1211:55 -

2 stops17h 15m

Deal found 19/8£854

Fri 2/1017:09 -

2 stops16h 51m

Fri 9/1010:25 -

2 stops18h 05m

Deal found 18/8£833

Thu 10/912:04 -

2 stops15h 21m

Sun 20/910:25 -

2 stops18h 09m

Deal found 19/8£836

Thu 26/1113:45 -

2 stops15h 10m

Sun 6/1211:55 -

2 stops17h 10m

Deal found 18/8£926

Find flight deals from Illinois to Gatwick

Round-trip from	£447
One-way from	£193
Popular in	June
Cheapest in	February
Average price	£659

24/10-3/11
3 total stops
64h 15m total
Illinois to London

Search Deals

2/12
2 total stops
33h 51m total
Illinois to London

Search Deals

Highest demand for flights based on searches. 24% potential increase in price (£143 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£28 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

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

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Fri 16/10

18:35-10:00

2 stops33h 25m

London Gatwick

Thu 29/10

11:00-23:16

1 stop17h 16m

£524

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Sun 4/10

17:19-10:00

1 stop34h 41m

London Gatwick

Sat 10/10

14:00-23:13

1 stop15h 13m

£594

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sun 13/9

20:10-22:25

1 stop20h 15m

London Gatwick

Wed 25/11

17:25-10:00

1 stop22h 35m

£640

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 3/11

18:25-15:45

1 stop15h 20m

London Gatwick

Tue 10/11

10:00-16:15

1 stop12h 15m

£648

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sat 17/10

19:25-14:35

1 stop13h 10m

London Gatwick

Thu 22/10

15:40-18:15

1 stop32h 35m

£652

BloomingtonLondon

BMI Bloomington-Normal - LGW London Gatwick

BMILGW

Bloomington-Normal

Mon 9/11

12:06-09:00

2 stops14h 54m

London Gatwick

Wed 25/11

10:00-22:20

2 stops18h 20m

£654

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Fri 4/12

18:25-15:45

1 stop15h 20m

London Gatwick

Thu 10/12

10:00-16:15

1 stop12h 15m

£670

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Wed 9/12

18:25-15:45

1 stop15h 20m

London Gatwick

Sun 13/12

10:00-16:15

1 stop12h 15m

£670

ChicagoLondon

MDW Chicago Midway - LGW London Gatwick

MDWLGW

Chicago Midway

Mon 30/11

13:22-15:45

2 stops20h 23m

London Gatwick

Mon 7/12

10:00-22:56

2 stops18h 56m

£681

MolineLondon

MLI Moline Quad-City - LGW London Gatwick

MLILGW

Moline Quad-City

Wed 23/9

11:19-09:25

2 stops16h 06m

London Gatwick

Wed 30/9

10:25-22:30

2 stops18h 05m

£709

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 56 resultsSorted by cheapest first

...

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.

MDW-LGW

ORD-LGW

STL-LGW

BMI-LGW

MLI-LGW

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

USIL-LGW

MDW-LGW

ORD-LGW

STL-LGW

BMI-LGW

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Illinois to London Gatwick Airport?
Airlines like Turkish Airlines, Delta, and Icelandair fly from Illinois to London Gatwick Airport in about 13h 10m. The time it takes to get you to your destination can typically vary by up to 7h 05m. 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.

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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.

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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?

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Cheap flights from Illinois to London Gatwick Airport from £193

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Gatwick

Cheapest flights from Illinois to GatwickExplore 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 22 August 2026.

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 22 August 2026.

Best flights from Illinois to GatwickDiscover carefully curated flight deals from Illinois to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Discover carefully curated flight deals from Illinois to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Illinois to GatwickDiscover last-minute flight deals from Illinois to Gatwick. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from Illinois to Gatwick. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Illinois to GatwickSearch for one-way flight options from Illinois to Gatwick. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Search for one-way flight options from Illinois to Gatwick. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

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Related info for your journey

How long is the flight from Illinois to London Gatwick Airport?

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

Can I find deals for flights from Illinois to Gatwick that include hotel bookings?

How can I find direct flights from Illinois to Gatwick?

Can I find deals for business class flights from Illinois to Gatwick?

Travelling to a place near London Gatwick Airport?

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Alternative routes for Illinois to Gatwick

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Complete your trip

Complete your trip to Gatwick by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

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Search flights from Illinois to Gatwick by cabin class

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Other flights to Gatwick

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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 22 August 2026.

Best flights from Illinois to Gatwick
Discover carefully curated flight deals from Illinois to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Illinois to Gatwick
Discover last-minute flight deals from Illinois to Gatwick. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Illinois to Gatwick
Search for one-way flight options from Illinois to Gatwick. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.