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

Airlines like SWISS, Air France, and Iberia fly from Illinois to London Gatwick Airport in about 15h 10m. The time it takes to get you to your destination can typically vary by up to 28h 25m. Illinois and London Gatwick Airport are separated by a distance of 3963 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.

£177+ Flights from Illinois to London Gatwick Airport

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 21 December 2025.

Wed 31/1218:50ORD - LGW

1 stop17h 00mSWISS

Thu 8/118:40LGW - ORD

2 stops25h 30mSWISS

Deal found 18/12£522

Mon 29/1218:10ORD - LGW

2 stops41h 40mSWISS

Thu 8/118:40LGW - ORD

2 stops25h 30mSWISS

Deal found 19/12£538

Mon 29/1218:10ORD - LGW

2 stops41h 40mSWISS

Fri 9/118:40LGW - ORD

1 stop24h 05mSWISS

Deal found 19/12£602

Mon 29/1218:10ORD - LGW

2 stops17h 40mSWISS

Mon 12/118:40LGW - ORD

1 stop24h 05mSWISS

Deal found 18/12£606

Sat 27/1218:30ORD - LGW

1 stop10h 25mIcelandair

Sun 18/111:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 20/12£652

Wed 31/1218:50ORD - LGW

1 stop17h 00mSWISS

Wed 7/118:40LGW - ORD

1 stop24h 05mSWISS

Deal found 20/12£654

Sun 28/1218:10ORD - LGW

2 stops17h 40mSWISS

Thu 15/118:40LGW - ORD

1 stop24h 05mSWISS

Deal found 19/12£666

Wed 24/1218:10ORD - LGW

2 stops17h 40mSWISS

Thu 8/118:40LGW - ORD

2 stops25h 30mSWISS

Deal found 19/12£682

Tue 30/1220:20ORD - LGW

1 stop20h 15mTurkish Airlines

Sat 31/117:05LGW - ORD

1 stop23h 00mTurkish Airlines

Deal found 18/12£683

Tue 30/1218:30ORD - LGW

1 stop10h 25mIcelandair

Sat 31/111:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 19/12£694

Fri 26/1222:10STL - LGW

2 stops53h 50mMultiple Airlines

Mon 12/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/12£842

Sun 28/1207:44MDW - LGW

1 stop16h 16mMultiple Airlines

Fri 9/114:00LGW - MDW

1 stop15h 09mMultiple Airlines

Deal found 19/12£871

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 21 December 2025.

Tue 17/218:35ORD - LGW

2 stops17h 15mSWISS

Tue 24/218:40LGW - ORD

1 stop27h 40mSWISS

Deal found 20/12£480

Tue 31/318:35MDW - LGW

2 stops15h 10mAir France

Tue 21/410:35LGW - MDW

2 stops17h 10mAir France

Deal found 18/12£493

Mon 12/110:48ORD - LGW

1 stop17h 12mMultiple Airlines

Thu 15/114:00LGW - ORD

1 stop33h 52mMultiple Airlines

Deal found 19/12£494

Fri 23/118:30ORD - LGW

1 stop10h 25mIcelandair

Tue 3/211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 19/12£506

Sun 12/409:15STL - LGW

2 stops43h 35mIberia

Tue 21/420:40LGW - STL

2 stops42h 02mIberia

Deal found 19/12£670

Fri 8/518:41PIA - LGW

2 stops19h 19mBritish Airways

Thu 14/511:35LGW - PIA

2 stops15h 53mBritish Airways

Deal found 19/12£722

Wed 21/118:10ORD - LGW

2 stops17h 40mSWISS

Wed 28/118:40LGW - ORD

1 stop24h 05mSWISS

Deal found 20/12£484

Tue 17/217:40ORD - LGW

2 stops22h 15mMultiple Airlines

Tue 24/219:45LGW - ORD

2 stops25h 10mMultiple Airlines

Deal found 20/12£494

Thu 15/118:30MDW - LGW

1 stop29h 30mMultiple Airlines

Sun 18/113:00LGW - MDW

1 stop17h 02mMultiple Airlines

Deal found 19/12£498

Mon 2/218:35ORD - LGW

2 stops17h 15mSWISS

Sun 8/218:40LGW - ORD

1 stop27h 40mSWISS

Deal found 18/12£517

Tue 17/217:40ORD - LGW

2 stops22h 15mMultiple Airlines

Mon 23/219:45LGW - ORD

2 stops25h 10mMultiple Airlines

Deal found 18/12£504

Tue 13/118:35ORD - LGW

2 stops17h 15mSWISS

Sun 18/118:40LGW - ORD

1 stop24h 05mSWISS

Deal found 19/12£517

Wed 18/316:05STL - LGW

2 stops20h 45mMultiple Airlines

Wed 8/409:25LGW - STL

2 stops35h 59mMultiple Airlines

Deal found 20/12£506

Fri 16/111:05STL - LGW

2 stops25h 55mIberia

Fri 23/111:45LGW - STL

2 stops27h 18mIberia

Deal found 18/12£691

Sat 31/118:10ORD - LGW

2 stops17h 40mSWISS

Sat 14/218:40LGW - ORD

1 stop27h 40mSWISS

Deal found 19/12£558

Fri 23/113:00MDW - LGW

1 stop15h 00mMultiple Airlines

Sun 25/113:00LGW - MDW

2 stops28h 45mMultiple Airlines

Deal found 19/12£513

Fri 17/411:14STL - LGW

2 stops17h 36mIberia

Wed 22/411:30LGW - STL

2 stops27h 12mIberia

Deal found 18/12£725

Sat 10/118:10ORD - LGW

2 stops17h 40mSWISS

Sun 18/118:40LGW - ORD

1 stop24h 05mSWISS

Deal found 19/12£558

Tue 13/118:30MDW - LGW

2 stops15h 15mMultiple Airlines

Sun 18/113:00LGW - MDW

1 stop17h 02mMultiple Airlines

Deal found 20/12£514

Sat 24/118:10ORD - LGW

2 stops17h 40mSWISS

Sun 22/218:40LGW - ORD

1 stop27h 40mSWISS

Deal found 18/12£558

Sat 17/112:44ORD - LGW

1 stop15h 21mMultiple Airlines

Mon 19/114:00LGW - ORD

1 stop29h 13mMultiple Airlines

Deal found 18/12£514

Wed 14/117:11STL - LGW

1 stop34h 49mMultiple Airlines

Wed 21/113:00LGW - STL

2 stops40h 33mMultiple Airlines

Deal found 18/12£552

Fri 30/111:18STL - LGW

1 stop16h 42mMultiple Airlines

Fri 13/214:00LGW - STL

1 stop16h 27mMultiple Airlines

Deal found 18/12£688

Sat 28/307:52STL - LGW

1 stop21h 08mMultiple Airlines

Sun 5/413:05LGW - STL

2 stops50h 42mMultiple Airlines

Deal found 19/12£695

Sun 29/316:51STL - LGW

1 stop35h 09mMultiple Airlines

Fri 3/414:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 18/12£700

Wed 11/312:14STL - LGW

2 stops40h 46mMultiple Airlines

Wed 1/414:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 19/12£745

Tue 3/313:15MDW - LGW

2 stops15h 40mMultiple Airlines

Mon 9/311:55LGW - MDW

2 stops16h 40mMultiple Airlines

Deal found 19/12£817

Sun 15/215:35MDW - LGW

2 stops13h 20mMultiple Airlines

Sun 22/211:55LGW - MDW

2 stops16h 50mMultiple Airlines

Deal found 19/12£830

Last-minute flights from Illinois to Gatwick
Discover last-minute flight deals from Illinois to Gatwick. Data last updated 21 December 2025 and is based on user searches.

Tue 13/118:30ORD - LGW

2 stops20h 35mMultiple Airlines

Thu 22/108:50LGW - ORD

2 stops14h 30mMultiple Airlines

Deal found 19/12£409

Tue 13/120:08ORD - LGW

2 stops27h 52mMultiple Airlines

Wed 21/113:00LGW - ORD

1 stop35h 29mMultiple Airlines

Deal found 19/12£412

Wed 14/118:30ORD - LGW

2 stops15h 50mMultiple Airlines

Tue 20/119:30LGW - ORD

3 stops27h 50mMultiple Airlines

Deal found 18/12£416

Thu 15/118:30ORD - LGW

2 stops13h 55mMultiple Airlines

Thu 22/108:50LGW - ORD

2 stops14h 30mMultiple Airlines

Deal found 18/12£410

Thu 15/105:15ORD - LGW

2 stops22h 45mMultiple Airlines

Fri 30/114:00LGW - ORD

1 stop33h 52mMultiple Airlines

Deal found 18/12£419

Fri 16/120:15ORD - LGW

1 stop13h 30mTAP AIR PORTUGAL

Thu 29/116:00LGW - ORD

1 stop29h 25mTAP AIR PORTUGAL

Deal found 18/12£411

Fri 16/120:43ORD - LGW

2 stops31h 22mMultiple Airlines

Fri 23/114:00LGW - ORD

1 stop33h 52mMultiple Airlines

Deal found 19/12£419

Sun 18/120:25ORD - LGW

2 stops18h 10mTAP AIR PORTUGAL

Tue 20/116:35LGW - ORD

1 stop28h 25mTAP AIR PORTUGAL

Deal found 19/12£417

Sun 18/118:01MDW - LGW

1 stop33h 59mMultiple Airlines

Sun 25/113:00LGW - MDW

2 stops28h 45mMultiple Airlines

Deal found 20/12£464

Mon 19/118:30ORD - LGW

2 stops18h 55mMultiple Airlines

Tue 27/108:50LGW - ORD

2 stops14h 30mMultiple Airlines

Deal found 18/12£408

Mon 19/112:44ORD - LGW

1 stop15h 16mMultiple Airlines

Wed 21/113:00LGW - ORD

1 stop26h 12mMultiple Airlines

Deal found 20/12£413

Mon 19/110:48ORD - LGW

1 stop17h 12mMultiple Airlines

Thu 22/114:00LGW - ORD

2 stops27h 27mMultiple Airlines

Deal found 18/12£416

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 21 December 2025.

Sat 31/120:22STL - LGW

2 stops51h 38mMultiple Airlines

Deal found 18/12£177

Mon 13/416:05STL - LGW

3 stops21h 15mMultiple Airlines

Deal found 19/12£268

Mon 19/118:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 19/12£283

Thu 15/111:27MDW - LGW

1 stop16h 33mMultiple Airlines

Deal found 20/12£286

Fri 16/121:09MDW - LGW

2 stops30h 56mMultiple Airlines

Deal found 20/12£287

Sat 4/418:15ORD - LGW

2 stops20h 10mTAP AIR PORTUGAL

Deal found 18/12£288

Sat 2/519:25ORD - LGW

1 stop13h 15mIcelandair

Deal found 20/12£288

Tue 9/609:04ORD - LGW

1 stop15h 16mMultiple Airlines

Deal found 19/12£289

Wed 18/219:10ORD - LGW

2 stops32h 50mTAP AIR PORTUGAL

Deal found 19/12£290

Tue 20/118:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 19/12£291

Sun 22/216:15MDW - LGW

2 stops17h 30mMultiple Airlines

Deal found 20/12£292

Tue 30/1218:30ORD - LGW

2 stops22h 05mMultiple Airlines

Deal found 20/12£292

Find flight deals from Illinois to Gatwick

Round-trip from	£408
One-way from	£177
Popular in	June
Cheapest in	September
Average price	£623

19/1-27/1
4 total stops
33h 25m total
Illinois to London

Search Deals

31/1
2 total stops
51h 38m total
Illinois to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£114 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

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

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 17/2

18:35-17:50

2 stops17h 15m

London Gatwick

Tue 24/2

18:40-16:20

1 stop27h 40m

£480

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 21/1

18:10-17:50

2 stops17h 40m

London Gatwick

Wed 28/1

18:40-12:45

1 stop24h 05m

£484

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Tue 31/3

18:35-15:45

2 stops15h 10m

London Gatwick

Tue 21/4

10:35-21:45

2 stops17h 10m

£493

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 12/1

10:48-10:00

1 stop17h 12m

London Gatwick

Thu 15/1

14:00-17:52

1 stop33h 52m

£494

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 17/2

17:40-21:55

2 stops22h 15m

London Gatwick

Tue 24/2

19:45-14:55

2 stops25h 10m

£494

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 15/1

18:30-06:00

1 stop29h 30m

London Gatwick

Sun 18/1

13:00-00:02

1 stop17h 02m

£498

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 17/2

17:40-21:55

2 stops22h 15m

London Gatwick

Mon 23/2

19:45-14:55

2 stops25h 10m

£504

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 23/1

18:30-10:55

1 stop10h 25m

London Gatwick

Tue 3/2

11:55-17:20

1 stop11h 25m

£506

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 18/3

16:05-17:50

2 stops20h 45m

London Gatwick

Wed 8/4

09:25-15:24

2 stops35h 59m

£506

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Fri 23/1

13:00-10:00

1 stop15h 00m

London Gatwick

Sun 25/1

13:00-11:45

2 stops28h 45m

£513

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 55 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, June is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of £280). Flying from Illinois to London Gatwick Airport in July is currently the most expensive (average of £527). 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 SWISS, Air France, and Iberia fly from Illinois to London Gatwick Airport in about 15h 10m. The time it takes to get you to your destination can typically vary by up to 28h 25m. Illinois and London Gatwick Airport are separated by a distance of 3963 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, June is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of £280). Flying from Illinois to London Gatwick Airport in July is currently the most expensive (average of £527). 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

Milton Keynes

Croydon

Slough

Hounslow

Luton

Gatwick

Wembley

Ilford

Brentford

Colchester

Hayes

Watford

Crawley

Bedford

Romford

Chichester

Eastbourne

Ipswich

Bishop's Stortford

Chelmsford

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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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Cheap flights from Illinois to London Gatwick Airport from £177

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 31/1. 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 21 December 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 21 December 2025.

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 21 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 21 December 2025.