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

Airlines like Icelandair, Turkish Airlines, and Delta fly from Illinois to London Gatwick Airport in about 13h 15m. The time it takes to get you to your destination can typically vary by up to 3h 15m. 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 Chicago Midway - London Gatwick or Lambert-St Louis - 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.

£160+ 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 5 September 2026.

Thu 3/1218:05 -

1 stop33h 55m

Tue 8/1209:35 -

1 stop21h 06m

Deal found 4/9£434

Wed 2/1218:05 -

1 stop30h 45m

Tue 8/1209:35 -

1 stop21h 06m

Deal found 4/9£438

Fri 4/1209:50 -

1 stop18h 10m

Tue 8/1209:35 -

1 stop21h 06m

Deal found 4/9£446

Mon 19/1018:35 -

2 stops33h 25m

Fri 6/1112:35 -

1 stop16h 41m

Deal found 2/9£452

Thu 3/1218:05 -

1 stop33h 55m

Sun 6/1212:35 -

1 stop26h 12m

Deal found 4/9£458

Mon 7/1218:05 -

1 stop30h 45m

Wed 9/1209:45 -

1 stop20h 56m

Deal found 4/9£470

Fri 4/1209:50 -

1 stop18h 10m

Sun 6/1212:35 -

1 stop26h 12m

Deal found 4/9£471

Tue 1/1218:05 -

1 stop30h 50m

Tue 8/1209:35 -

1 stop21h 06m

Deal found 1/9£495

Tue 29/919:25 -

1 stop13h 15m

Wed 7/1015:40 -

1 stop11h 45m

Deal found 1/9£522

Sat 31/1019:30 -

1 stop10h 25m

Sun 15/1111:55 -

1 stop11h 25m

Deal found 3/9£523

Wed 2/1218:30 -

1 stop16h 55m

Thu 10/1210:10 -

1 stop13h 10m

Deal found 1/9£525

Tue 20/1008:46 -

1 stop19h 14m

Tue 3/1120:05 -

2 stops28h 15m

Deal found 3/9£526

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 5 September 2026.

Tue 29/919:25 -

1 stop13h 15m

Wed 7/1015:40 -

1 stop11h 45m

Deal found 4/9£549

Tue 6/1011:25 -

1 stop16h 30m

Wed 25/1106:30 -

1 stop17h 50m

Deal found 4/9£645

Mon 5/1012:00 -

2 stops15h 40m

Fri 9/1010:25 -

2 stops16h 26m

Deal found 4/9£650

Thu 1/1018:39 -

1 stop33h 21m

Thu 15/1014:00 -

1 stop15h 13m

Deal found 1/9£676

Wed 13/118:25 -

1 stop15h 20m

Mon 18/110:00 -

1 stop12h 15m

Deal found 31/8£681

Fri 6/1120:10 -

2 stops30h 10m

Tue 10/1121:20 -

2 stops24h 10m

Deal found 4/9£733

Thu 1/1010:43 -

2 stops15h 42m

Mon 5/1009:25 -

2 stops19h 33m

Deal found 3/9£926

Tue 17/1111:05 -

2 stops15h 55m

Wed 9/1210:00 -

2 stops19h 01m

Deal found 2/9£664

Sun 24/115:00 -

2 stops18h 45m

Sun 7/210:00 -

2 stops17h 33m

Deal found 3/9£691

Sat 3/1020:10 -

1 stop31h 45m

Sat 10/1017:40 -

1 stop22h 00m

Deal found 4/9£697

Fri 9/1011:45 -

2 stops14h 10m

Mon 12/1012:40 -

1 stop28h 20m

Deal found 4/9£711

Thu 29/1019:25 -

1 stop15h 20m

Thu 5/1110:00 -

1 stop12h 15m

Deal found 4/9£690

Mon 16/1114:44 -

2 stops19h 01m

Mon 7/1210:00 -

2 stops17h 36m

Deal found 2/9£700

Tue 3/1117:30 -

2 stops33h 55m

Tue 10/1116:35 -

1 stop28h 55m

Deal found 31/8£783

Sat 7/1117:09 -

2 stops16h 36m

Wed 18/1110:00 -

2 stops19h 08m

Deal found 4/9£700

Sun 7/217:40 -

2 stops18h 55m

Sun 14/221:45 -

2 stops23h 10m

Deal found 2/9£777

Sun 4/1017:10 -

1 stop10h 15m

Wed 25/1110:00 -

2 stops16h 49m

Deal found 4/9£756

Fri 6/1117:09 -

2 stops16h 36m

Tue 17/1110:00 -

2 stops19h 08m

Deal found 4/9£700

Fri 23/1014:30 -

2 stops18h 10m

Thu 29/1011:55 -

2 stops16h 55m

Deal found 5/9£783

Mon 16/1117:13 -

2 stops16h 32m

Mon 7/1210:00 -

2 stops19h 01m

Deal found 2/9£701

Fri 2/1007:35 -

2 stops19h 50m

Mon 5/1017:00 -

2 stops22h 27m

Deal found 4/9£796

Mon 1/311:30 -

2 stops17h 25m

Sat 13/311:55 -

2 stops16h 55m

Deal found 4/9£798

Fri 2/1010:43 -

2 stops15h 42m

Tue 2/208:35 -

2 stops16h 24m

Deal found 5/9£1,067

Thu 15/1012:13 -

2 stops15h 12m

Thu 22/1010:25 -

2 stops18h 11m

Deal found 2/9£701

Sat 12/1210:25 -

2 stops18h 30m

Fri 18/1211:55 -

2 stops18h 00m

Deal found 4/9£814

Thu 5/1117:09 -

2 stops16h 36m

Mon 16/1110:00 -

2 stops19h 08m

Deal found 4/9£737

Thu 10/1212:40 -

2 stops16h 15m

Tue 22/1211:55 -

2 stops18h 50m

Deal found 4/9£825

Sun 10/113:25 -

2 stops15h 30m

Sun 17/111:55 -

2 stops15h 25m

Deal found 2/9£826

Wed 23/917:16 -

2 stops16h 44m

Wed 30/910:25 -

2 stops18h 05m

Deal found 5/9£769

Sun 24/113:25 -

2 stops15h 30m

Mon 1/211:55 -

2 stops15h 25m

Deal found 31/8£826

Find flight deals from Illinois to Gatwick

Round-trip from	£434
One-way from	£160
Popular in	June
Cheapest in	February
Average price	£648

3/12-8/12
2 total stops
55h 01m total
Illinois to London

Search Deals

19/10-31/12
2 total stops
33h 25m total
Illinois to London

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£139 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 September 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

Fastest return journey

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sat 12/12

18:30-10:55

1 stop10h 25m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£237

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 8/12

18:25-15:45

1 stop15h 20m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£244

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Mon 1/3

12:30-09:00

2 stops14h 30m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£247

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Sun 15/11

12:29-09:00

2 stops14h 31m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£247

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Mon 26/10

19:20-15:45

2 stops15h 25m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£247

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Tue 29/9

12:00-09:25

2 stops15h 25m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£247

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Tue 27/10

19:20-15:45

2 stops15h 25m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£247

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Wed 28/10

19:20-15:45

2 stops15h 25m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£247

ChicagoLondon

MDW Chicago Midway - LGW London Gatwick

MDWLGW

Chicago Midway

Mon 28/9

06:25-10:00

2 stops21h 35m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£255

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 14/12

18:25-15:45

1 stop15h 20m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£266

Flights are sorted by cheapest return flights first.

Deals found on 4/9

Showing 1-10 of 60 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.

ORD-LGW

STL-LGW

PIA-LGW

MLI-LGW

MDW-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

ORD-LGW

STL-LGW

PIA-LGW

MLI-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 Icelandair, Turkish Airlines, and Delta fly from Illinois to London Gatwick Airport in about 13h 15m. The time it takes to get you to your destination can typically vary by up to 3h 15m. 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 Chicago Midway - London Gatwick or Lambert-St Louis - 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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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?

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Cheap flights from Illinois to London Gatwick Airport from £160

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. 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 5 September 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 5 September 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 5 September 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 5 September 2026.

Last-minute flights from Illinois to GatwickDiscover last-minute flight deals from Illinois to Gatwick. Data last updated 5 September 2026 and is based on user searches.

Discover last-minute flight deals from Illinois to Gatwick. Data last updated 5 September 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 5 September 2026.

Search for one-way flight options from Illinois to Gatwick. Find affordable one-way fares based on user searches. Data last updated 5 September 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.

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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 5 September 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 5 September 2026.

Last-minute flights from Illinois to Gatwick
Discover last-minute flight deals from Illinois to Gatwick. Data last updated 5 September 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 5 September 2026.