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

Airlines like Delta, Virgin Atlantic, and Turkish Airlines fly from Illinois to London Gatwick Airport in about 19h 55m. The time it takes to get you to your destination can typically vary by up to 2h 50m. 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.

£224+ 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 19 September 2026.

Wed 14/1012:10 -

2 stops25h 35m

Wed 21/1007:10 -

2 stops19h 10m

Deal found 15/9£473

Thu 3/1218:13 -

1 stop33h 47m

Tue 8/1209:35 -

1 stop20h 37m

Deal found 16/9£539

Tue 29/1218:30 -

1 stop10h 25m

Wed 7/415:40 -

1 stop11h 45m

Deal found 14/9£546

Thu 26/1115:55 -

1 stop10h 35m

Tue 1/1209:40 -

1 stop14h 40m

Deal found 19/9£549

Mon 5/1014:20 -

1 stop12h 05m

Mon 12/1018:35 -

1 stop24h 00m

Deal found 17/9£550

Mon 5/1014:20 -

1 stop12h 05m

Tue 2/208:40 -

1 stop13h 35m

Deal found 18/9£550

Wed 4/1118:50 -

1 stop31h 20m

Tue 17/1108:40 -

1 stop13h 35m

Deal found 16/9£551

Mon 28/911:15 -

1 stop16h 45m

Wed 27/109:45 -

1 stop21h 10m

Deal found 18/9£552

Tue 29/914:40 -

1 stop11h 45m

Tue 6/1009:25 -

1 stop33h 10m

Deal found 16/9£553

Thu 24/914:20 -

1 stop12h 05m

Mon 28/918:35 -

1 stop24h 00m

Deal found 15/9£553

Mon 9/1118:25 -

1 stop15h 20m

Thu 19/1110:00 -

1 stop12h 15m

Deal found 17/9£554

Sun 4/1017:10 -

1 stop16h 50m

Thu 19/1110:00 -

1 stop12h 15m

Deal found 18/9£555

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 19 September 2026.

Mon 15/312:00 -

2 stops22h 45m

Tue 23/310:00 -

2 stops17h 23m

Deal found 16/9£581

Mon 9/1117:40 -

2 stops32h 10m

Mon 16/1116:25 -

2 stops28h 30m

Deal found 15/9£595

Wed 17/312:45 -

1 stop22h 45m

Fri 26/306:30 -

1 stop17h 50m

Deal found 14/9£630

Wed 20/119:00 -

1 stop14h 05m

Fri 29/121:35 -

2 stops47h 55m

Deal found 15/9£692

Sat 6/207:00 -

2 stops19h 55m

Sat 13/210:00 -

2 stops18h 04m

Deal found 17/9£752

Mon 15/317:30 -

2 stops44h 30m

Tue 23/311:45 -

2 stops41h 25m

Deal found 16/9£931

Wed 17/316:00 -

2 stops18h 45m

Wed 24/310:00 -

2 stops17h 23m

Deal found 16/9£581

Mon 15/312:00 -

2 stops22h 45m

Wed 24/310:00 -

2 stops17h 23m

Deal found 16/9£581

Mon 15/312:00 -

2 stops22h 45m

Mon 22/310:00 -

2 stops41h 23m

Deal found 16/9£590

Wed 9/1219:00 -

2 stops33h 00m

Tue 22/1216:35 -

1 stop28h 55m

Deal found 14/9£716

Tue 17/1120:15 -

2 stops31h 35m

Tue 1/1216:35 -

1 stop28h 55m

Deal found 15/9£769

Mon 2/1113:27 -

2 stops20h 18m

Mon 9/1110:00 -

2 stops18h 54m

Deal found 17/9£603

Sun 4/1010:43 -

2 stops15h 42m

Sat 10/1009:25 -

2 stops15h 36m

Deal found 14/9£1,612

Wed 28/1014:10 -

2 stops15h 45m

Wed 11/1111:55 -

2 stops16h 20m

Deal found 14/9£770

Sun 11/1008:00 -

2 stops43h 55m

Tue 20/1017:35 -

2 stops33h 46m

Deal found 18/9£856

Fri 6/1120:10 -

2 stops30h 10m

Sun 15/1110:40 -

2 stops38h 37m

Deal found 15/9£803

Thu 29/1012:27 -

2 stops15h 33m

Thu 5/1110:00 -

2 stops18h 33m

Deal found 14/9£604

Tue 6/1008:00 -

2 stops50h 40m

Tue 13/1007:00 -

2 stops44h 21m

Deal found 16/9£871

Tue 16/317:30 -

2 stops44h 30m

Tue 23/311:45 -

2 stops41h 25m

Deal found 16/9£970

Mon 1/313:45 -

2 stops15h 10m

Sat 13/311:55 -

2 stops16h 55m

Deal found 14/9£809

Mon 2/1111:08 -

2 stops15h 52m

Mon 9/1110:00 -

2 stops19h 08m

Deal found 18/9£611

Tue 8/1214:30 -

2 stops42h 35m

Fri 11/1210:45 -

2 stops58h 45m

Deal found 16/9£823

Wed 7/1008:00 -

2 stops43h 55m

Mon 12/1017:35 -

2 stops33h 46m

Deal found 15/9£887

Sun 3/120:10 -

2 stops18h 25m

Sat 9/116:35 -

1 stop28h 55m

Deal found 16/9£826

Mon 9/1107:30 -

2 stops27h 00m

Mon 23/1106:30 -

2 stops20h 30m

Deal found 16/9£834

Mon 15/317:30 -

2 stops44h 30m

Wed 24/319:40 -

2 stops33h 30m

Deal found 16/9£1,017

Thu 5/1117:09 -

2 stops16h 36m

Mon 23/1110:00 -

2 stops19h 08m

Deal found 15/9£649

Fri 16/1008:00 -

2 stops43h 55m

Mon 26/1017:25 -

2 stops51h 18m

Deal found 18/9£917

Fri 19/214:00 -

2 stops14h 55m

Sun 28/211:55 -

2 stops18h 55m

Deal found 18/9£857

Tue 16/316:00 -

2 stops18h 45m

Thu 25/310:00 -

2 stops17h 23m

Deal found 16/9£678

Find flight deals from Illinois to Gatwick

Round-trip from	£473
One-way from	£224
Popular in	June
Cheapest in	February
Average price	£677

14/10-21/10
4 total stops
44h 45m total
Illinois to London

Search Deals

Icelandair
13/3-31/12
1 total stop
10h 25m total
Illinois to London

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£137 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% 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

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 11/1

18:25-15:45

1 stop15h 20m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£247

ChicagoLondon

MDW Chicago Midway - LGW London Gatwick

MDWLGW

Chicago Midway

Tue 2/3

12:30-09:00

2 stops14h 30m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£250

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sun 7/3

10:40-09:00

2 stops16h 20m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£250

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Wed 17/2

07:33-17:50

2 stops28h 17m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£270

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Thu 4/3

07:00-09:00

2 stops20h 00m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£287

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Thu 31/12

11:15-09:00

2 stops15h 45m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£306

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Mon 1/3

11:51-09:00

2 stops15h 09m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£334

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Mon 15/3

12:30-09:00

2 stops15h 30m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£334

St. LouisLondon

STL Lambert-St Louis - LGW London Gatwick

STLLGW

Lambert-St Louis

Sun 18/10

14:00-14:40

3 stops18h 40m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£354

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sat 28/11

17:40-08:20

2 stops32h 40m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£376

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 57 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.

STL-LGW

ORD-LGW

MDW-LGW

MLI-LGW

BMI-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

STL-LGW

ORD-LGW

MDW-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 Delta, Virgin Atlantic, and Turkish Airlines fly from Illinois to London Gatwick Airport in about 19h 55m. The time it takes to get you to your destination can typically vary by up to 2h 50m. 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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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.

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Cheap flights from Illinois to London Gatwick Airport from £224

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/3. 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 19 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 19 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 19 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 19 September 2026.

Last-minute flights from Illinois to GatwickDiscover last-minute flight deals from Illinois to Gatwick. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Illinois to Gatwick. Data last updated 19 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 19 September 2026.

Search for one-way flight options from Illinois to Gatwick. Find affordable one-way fares based on user searches. Data last updated 19 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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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 19 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 19 September 2026.

Last-minute flights from Illinois to Gatwick
Discover last-minute flight deals from Illinois to Gatwick. Data last updated 19 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 19 September 2026.