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

Airlines like Icelandair, TAP AIR PORTUGAL, and American Airlines fly from Illinois to London Gatwick Airport in about 10h 25m. The time it takes to get you to your destination can typically vary by up to 10h 55m. 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.

£167+ Cheap Flights from Illinois to London Gatwick Airport

Cheap flight deals from Illinois to Gatwick

Round-trip from	£407
One-way from	£167
Popular in	June
Cheapest in	February
Average price	£508

25/1-29/1
4 total stops
41h 45m total
Illinois to London

Search Deals

1/2
1 total stop
34h 49m total
Illinois to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£116 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find 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 31 October 2025.

Sun 30/1120:25ORD - LGW

1 stop13h 20mTAP AIR PORTUGAL

Sat 6/1216:35LGW - ORD

1 stop28h 10mTAP AIR PORTUGAL

Deal found 29/10£408

Thu 13/1118:30ORD - LGW

1 stop10h 25mIcelandair

Thu 21/513:00LGW - ORD

1 stop11h 10mIcelandair

Deal found 30/10£409

Sun 9/1119:40ORD - LGW

1 stop13h 55mMultiple Airlines

Tue 18/1111:25LGW - ORD

1 stop12h 30mMultiple Airlines

Deal found 30/10£411

Wed 26/1118:30ORD - LGW

1 stop10h 25mIcelandair

Wed 3/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 29/10£412

Mon 10/1106:40ORD - LGW

1 stop17h 20mMultiple Airlines

Fri 14/1114:00LGW - ORD

1 stop15h 06mMultiple Airlines

Deal found 30/10£413

Sat 15/1117:45ORD - LGW

2 stops30h 15mMultiple Airlines

Fri 5/1214:00LGW - ORD

1 stop29h 16mMultiple Airlines

Deal found 30/10£415

Tue 4/1121:50ORD - LGW

2 stops17h 15mMultiple Airlines

Mon 10/1121:30LGW - ORD

2 stops21h 40mMultiple Airlines

Deal found 29/10£417

Thu 11/1212:09ORD - LGW

1 stop15h 51mMultiple Airlines

Thu 15/114:00LGW - ORD

2 stops26h 58mMultiple Airlines

Deal found 30/10£420

Mon 1/1207:05ORD - LGW

3 stops28h 15mMultiple Airlines

Mon 8/1221:30LGW - ORD

2 stops21h 40mMultiple Airlines

Deal found 29/10£420

Sun 14/1209:54STL - LGW

1 stop18h 06mMultiple Airlines

Fri 9/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 30/10£435

Tue 25/1106:20MDW - LGW

1 stop17h 40mMultiple Airlines

Tue 9/1213:00LGW - MDW

2 stops25h 46mMultiple Airlines

Deal found 30/10£436

Mon 8/1215:30STL - LGW

1 stop12h 30mMultiple Airlines

Thu 8/114:00LGW - STL

1 stop23h 50mMultiple Airlines

Deal found 30/10£437

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 31 October 2025.

Sat 31/118:30ORD - LGW

1 stop10h 25mIcelandair

Mon 2/311:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 28/10£410

Mon 8/1215:30STL - LGW

1 stop12h 30mMultiple Airlines

Thu 8/114:00LGW - STL

1 stop23h 50mMultiple Airlines

Deal found 30/10£437

Wed 28/119:10ORD - LGW

1 stop13h 55mTAP AIR PORTUGAL

Fri 6/221:25LGW - ORD

2 stops47h 20mTAP AIR PORTUGAL

Deal found 28/10£483

Fri 27/305:10MLI - LGW

2 stops21h 20mAmerican Airlines

Tue 31/314:30LGW - MLI

2 stops33h 05mAmerican Airlines

Deal found 28/10£753

Sat 31/118:30ORD - LGW

1 stop10h 25mIcelandair

Sun 1/311:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 28/10£410

Mon 8/1210:47STL - LGW

2 stops17h 13mMultiple Airlines

Sat 10/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 30/10£439

Thu 29/118:30ORD - LGW

1 stop10h 25mIcelandair

Sun 1/311:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 28/10£410

Thu 11/1215:30STL - LGW

1 stop12h 30mMultiple Airlines

Thu 8/114:00LGW - STL

1 stop23h 50mMultiple Airlines

Deal found 30/10£450

Wed 25/320:10ORD - LGW

1 stop13h 55mTAP AIR PORTUGAL

Wed 6/521:15LGW - ORD

2 stops48h 45mTAP AIR PORTUGAL

Deal found 27/10£517

Mon 26/108:45STL - LGW

1 stop19h 15mMultiple Airlines

Fri 6/214:00LGW - STL

2 stops29h 53mMultiple Airlines

Deal found 30/10£451

Wed 7/119:10ORD - LGW

1 stop13h 55mTAP AIR PORTUGAL

Wed 13/521:15LGW - ORD

2 stops48h 45mTAP AIR PORTUGAL

Deal found 28/10£517

Sat 13/1215:30STL - LGW

1 stop12h 35mMultiple Airlines

Sat 10/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 30/10£457

Wed 25/320:10ORD - LGW

1 stop13h 55mTAP AIR PORTUGAL

Wed 1/421:15LGW - ORD

2 stops48h 45mTAP AIR PORTUGAL

Deal found 29/10£517

Fri 27/322:40ORD - LGW

1 stop10h 00mIcelandair

Tue 7/415:40LGW - ORD

1 stop32h 35mIcelandair

Deal found 28/10£524

Thu 11/1212:04STL - LGW

2 stops15h 56mMultiple Airlines

Sat 10/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 30/10£467

Fri 14/1115:50STL - LGW

2 stops20h 40mMultiple Airlines

Tue 18/1119:55LGW - STL

2 stops24h 00mMultiple Airlines

Deal found 28/10£469

Mon 15/1218:30ORD - LGW

1 stop10h 25mIcelandair

Wed 24/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 30/10£620

Sun 14/1209:54STL - LGW

1 stop18h 06mMultiple Airlines

Thu 8/114:00LGW - STL

1 stop23h 50mMultiple Airlines

Deal found 30/10£478

Sun 14/1209:54STL - LGW

1 stop18h 06mMultiple Airlines

Sat 10/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 30/10£478

Fri 27/316:52PIA - LGW

2 stops55h 53mAmerican Airlines

Tue 31/314:30LGW - PIA

2 stops31h 14mAmerican Airlines

Deal found 30/10£960

Fri 16/117:06STL - LGW

1 stop34h 59mMultiple Airlines

Fri 23/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 30/10£494

Mon 8/1215:30STL - LGW

1 stop12h 30mMultiple Airlines

Fri 12/1214:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 30/10£521

Mon 1/1221:54STL - LGW

2 stops50h 06mMultiple Airlines

Fri 5/1214:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 30/10£525

Fri 30/117:40ORD - LGW

2 stops19h 05mMultiple Airlines

Sun 1/320:50LGW - ORD

2 stops24h 05mMultiple Airlines

Deal found 28/10£558

Sun 1/317:40ORD - LGW

2 stops19h 05mMultiple Airlines

Sun 8/317:25LGW - ORD

2 stops27h 30mMultiple Airlines

Deal found 27/10£565

Sat 15/1112:45MDW - LGW

1 stop15h 00mMultiple Airlines

Fri 5/1214:00LGW - MDW

1 stop14h 39mMultiple Airlines

Deal found 30/10£649

Fri 27/315:10MDW - LGW

1 stop13h 50mMultiple Airlines

Mon 6/414:00LGW - MDW

1 stop13h 58mMultiple Airlines

Deal found 30/10£697

Thu 13/1118:26MDW - LGW

2 stops20h 14mMultiple Airlines

Sun 16/1113:00LGW - MDW

1 stop16h 55mMultiple Airlines

Deal found 29/10£726

Mon 10/1114:55MDW - LGW

2 stops14h 00mMultiple Airlines

Fri 14/1111:55LGW - MDW

2 stops17h 05mMultiple Airlines

Deal found 30/10£803

Wed 18/216:05MDW - LGW

2 stops12h 50mMultiple Airlines

Mon 23/211:55LGW - MDW

2 stops15h 30mMultiple Airlines

Deal found 28/10£824

Last-minute flights from Illinois to Gatwick
Discover last-minute flight deals from Illinois to Gatwick. Data last updated 31 October 2025 and is based on user searches.

Tue 4/1121:50ORD - LGW

2 stops17h 15mMultiple Airlines

Mon 10/1121:30LGW - ORD

2 stops21h 40mMultiple Airlines

Deal found 29/10£417

Wed 5/1117:55ORD - LGW

1 stop10h 05mMultiple Airlines

Sun 16/1108:25LGW - ORD

1 stop11h 35mMultiple Airlines

Deal found 29/10£426

Thu 6/1118:26MDW - LGW

2 stops20h 14mMultiple Airlines

Fri 14/1114:00LGW - MDW

1 stop14h 10mMultiple Airlines

Deal found 28/10£491

Thu 6/1118:26MDW - LGW

2 stops20h 14mMultiple Airlines

Fri 21/1114:00LGW - MDW

1 stop15h 29mMultiple Airlines

Deal found 30/10£524

Sun 9/1119:40ORD - LGW

1 stop13h 55mMultiple Airlines

Tue 18/1111:25LGW - ORD

1 stop12h 30mMultiple Airlines

Deal found 30/10£411

Sun 9/1120:25ORD - LGW

1 stop13h 20mTAP AIR PORTUGAL

Tue 18/1116:35LGW - ORD

1 stop28h 25mTAP AIR PORTUGAL

Deal found 30/10£417

Tue 11/1118:26MDW - LGW

2 stops32h 59mMultiple Airlines

Fri 14/1114:00LGW - MDW

1 stop14h 10mMultiple Airlines

Deal found 28/10£527

Tue 11/1116:05STL - LGW

2 stops21h 35mMultiple Airlines

Tue 18/1108:15LGW - STL

2 stops35h 40mMultiple Airlines

Deal found 29/10£584

Fri 14/1115:50STL - LGW

2 stops20h 40mMultiple Airlines

Tue 18/1119:55LGW - STL

2 stops24h 00mMultiple Airlines

Deal found 28/10£469

Tue 25/1106:20MDW - LGW

1 stop17h 40mMultiple Airlines

Tue 9/1213:00LGW - MDW

2 stops25h 46mMultiple Airlines

Deal found 30/10£436

Tue 25/1106:20MDW - LGW

1 stop17h 40mMultiple Airlines

Tue 2/1221:20LGW - MDW

2 stops45h 41mMultiple Airlines

Deal found 28/10£549

Tue 25/1116:05STL - LGW

3 stops25h 50mMultiple Airlines

Tue 2/1210:15LGW - STL

2 stops33h 40mMultiple Airlines

Deal found 29/10£587

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 31 October 2025.

Sun 1/217:11STL - LGW

1 stop34h 49mMultiple Airlines

Deal found 29/10£167

Thu 5/206:00MDW - LGW

2 stops22h 00mMultiple Airlines

Deal found 29/10£176

Tue 9/1216:22ORD - LGW

2 stops31h 38mMultiple Airlines

Deal found 29/10£178

Mon 12/110:18MDW - LGW

1 stop17h 42mMultiple Airlines

Deal found 29/10£179

Sun 16/1118:26MDW - LGW

1 stop29h 34mMultiple Airlines

Deal found 29/10£180

Mon 24/1110:59ORD - LGW

2 stops17h 56mMultiple Airlines

Deal found 28/10£181

Mon 17/1111:24ORD - LGW

2 stops36h 36mMultiple Airlines

Deal found 29/10£181

Sun 7/1206:15MDW - LGW

2 stops41h 45mMultiple Airlines

Deal found 30/10£183

Thu 13/1106:40ORD - LGW

2 stops22h 15mMultiple Airlines

Deal found 28/10£183

Tue 18/1106:40ORD - LGW

2 stops22h 15mMultiple Airlines

Deal found 29/10£184

Thu 13/1118:26MDW - LGW

2 stops34h 29mMultiple Airlines

Deal found 28/10£184

Fri 14/1119:34ORD - LGW

2 stops33h 21mMultiple Airlines

Deal found 30/10£185

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

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 31/1

18:30-10:55

1 stop10h 25m

London Gatwick

Mon 2/3

11:55-17:20

1 stop11h 25m

£410

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 31/1

18:30-10:55

1 stop10h 25m

London Gatwick

Sun 1/3

11:55-17:20

1 stop11h 25m

£410

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 29/1

18:30-10:55

1 stop10h 25m

London Gatwick

Sun 1/3

11:55-17:20

1 stop11h 25m

£410

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 8/12

15:30-10:00

1 stop12h 30m

London Gatwick

Thu 8/1

14:00-07:50

1 stop23h 50m

£437

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 8/12

10:47-10:00

2 stops17h 13m

London Gatwick

Sat 10/1

14:00-22:33

1 stop14h 33m

£439

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 11/12

15:30-10:00

1 stop12h 30m

London Gatwick

Thu 8/1

14:00-07:50

1 stop23h 50m

£450

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 26/1

08:45-10:00

1 stop19h 15m

London Gatwick

Fri 6/2

14:00-13:53

2 stops29h 53m

£451

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 13/12

15:30-10:05

1 stop12h 35m

London Gatwick

Sat 10/1

14:00-22:33

1 stop14h 33m

£457

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 11/12

12:04-10:00

2 stops15h 56m

London Gatwick

Sat 10/1

14:00-22:33

1 stop14h 33m

£467

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 14/11

15:50-18:30

2 stops20h 40m

London Gatwick

Tue 18/11

19:55-13:55

2 stops24h 00m

£469

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 59 results

...

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, February is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of £325). Flying from Illinois to London Gatwick Airport in July is currently the most expensive (average of £535). 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

How long is the flight from Illinois to London Gatwick Airport?
Airlines like Icelandair, TAP AIR PORTUGAL, and American Airlines fly from Illinois to London Gatwick Airport in about 10h 25m. The time it takes to get you to your destination can typically vary by up to 10h 55m. 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.
What is the cheapest month to book a flight from Illinois to London Gatwick Airport?
Currently, February is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of £325). Flying from Illinois to London Gatwick Airport in July is currently the most expensive (average of £535). 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.

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Hounslow

Luton

Ilford

Wembley

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Colchester

Watford

Winchester

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Crawley

Romford

Brentford

Ipswich

Bedford

Eastbourne

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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.

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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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Cheap flights from Illinois to London Gatwick Airport from £167

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Gatwick

Keep the following information in mind while searching for Illinois to Gatwick flight deals. Data was last updated 31 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 31 October 2025.

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 31 October 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to London Gatwick Airport that are best for you.

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.

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?

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?

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?

What is the cheapest month to book a flight from Illinois to London Gatwick Airport?

Travelling to a place near London Gatwick Airport?

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Alternative routes for Illinois to Gatwick

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How does Cheapflights help users find flights from Illinois to Gatwick?

Why should you use Cheapflights to find cheap flight tickets from Illinois to Gatwick?

Can Cheapflights find flights from Illinois to Gatwick with no change fees?

Can Cheapflights notify me if prices for flights from Illinois to Gatwick become cheaper?

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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 31 October 2025.