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

Airlines like Icelandair 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 . Illinois and London Gatwick Airport are separated by a distance of 3960 mi.

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.

£169+ Cheap Flights from Illinois to London Gatwick Airport

Q: How much does it cost for a return flight from Illinois to London Gatwick Airport?

Airfare is below average for this route at the moment. Illinois to London Gatwick Airport flights typically cost between £450 and £577 in October. The cheapest return flight price found within the last 3 days was £371 on Multiple Airlines (22 Oct-30 Oct).

Cheap flight deals from Illinois to Gatwick

Round-trip from	£371
One-way from	£169
Popular in	June
Cheapest in	February
Average price	£483

22/10-30/10
2 total stops
55h 46m total
Illinois to London

Search Deals

4/10
2 total stops
32h 15m total
Illinois to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£111 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Illinois to Gatwick

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 18 September 2025.

Wed 22/1006:00ORD - LGW

1 stop22h 00mMultiple Airlines

Thu 30/1014:00LGW - ORD

1 stop33h 46mMultiple Airlines

Deal found 17/9£371

Wed 22/1006:40ORD - LGW

1 stop17h 40mMultiple Airlines

Fri 5/1214:00LGW - ORD

2 stops25h 44mMultiple Airlines

Deal found 17/9£374

Sat 8/1118:30ORD - LGW

1 stop10h 25mIcelandair

Sat 15/1111:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/9£375

Sun 5/1022:15ORD - LGW

1 stop10h 25mIcelandair

Tue 14/1015:40LGW - ORD

1 stop32h 35mIcelandair

Deal found 16/9£376

Wed 29/1019:50ORD - LGW

1 stop17h 00mSWISS

Mon 3/1118:40LGW - ORD

1 stop27h 40mSWISS

Deal found 17/9£377

Sun 2/1118:50ORD - LGW

1 stop17h 00mSWISS

Wed 19/1118:40LGW - ORD

1 stop27h 40mSWISS

Deal found 17/9£378

Mon 3/1118:30ORD - LGW

1 stop10h 25mIcelandair

Mon 10/1111:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 15/9£380

Tue 2/1218:30ORD - LGW

1 stop10h 25mIcelandair

Mon 8/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/9£380

Fri 3/1022:15ORD - LGW

1 stop10h 25mIcelandair

Tue 14/1015:40LGW - ORD

1 stop32h 35mIcelandair

Deal found 16/9£381

Sun 7/1218:50ORD - LGW

1 stop17h 00mSWISS

Mon 15/1218:40LGW - ORD

1 stop27h 40mSWISS

Deal found 17/9£382

Wed 1/1017:17ORD - LGW

1 stop34h 43mMultiple Airlines

Wed 8/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Deal found 17/9£382

Wed 3/1206:40ORD - LGW

1 stop17h 20mMultiple Airlines

Tue 9/1209:40LGW - ORD

2 stops33h 05mMultiple Airlines

Deal found 16/9£383

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 18 September 2025.

Wed 11/319:30ORD - LGW

1 stop10h 25mIcelandair

Mon 16/311:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/9£380

Thu 16/1021:26MDW - LGW

2 stops26h 54mMultiple Airlines

Fri 31/1014:00LGW - MDW

1 stop25h 26mMultiple Airlines

Deal found 18/9£395

Sun 8/321:25ORD - LGW

1 stop13h 20mTAP AIR PORTUGAL

Sat 14/310:10LGW - ORD

2 stops34h 35mTAP AIR PORTUGAL

Deal found 17/9£397

Sun 19/1019:25ORD - LGW

1 stop13h 15mIcelandair

Wed 3/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 17/9£380

Mon 6/1019:51ORD - LGW

1 stop32h 09mMultiple Airlines

Thu 9/1014:00LGW - ORD

1 stop34h 46mMultiple Airlines

Deal found 16/9£397

Fri 5/1220:15ORD - LGW

1 stop31h 35mTAP AIR PORTUGAL

Tue 16/1221:20LGW - ORD

2 stops23h 40mTAP AIR PORTUGAL

Deal found 16/9£410

Tue 10/319:30ORD - LGW

1 stop10h 25mIcelandair

Sun 15/311:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/9£380

Mon 3/1113:37MDW - LGW

2 stops34h 23mMultiple Airlines

Wed 19/1113:00LGW - MDW

1 stop28h 42mMultiple Airlines

Deal found 17/9£414

Wed 3/1218:30ORD - LGW

1 stop10h 25mIcelandair

Wed 10/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/9£380

Sat 7/318:30ORD - LGW

1 stop10h 25mIcelandair

Sun 15/311:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/9£380

Tue 21/1008:05MDW - LGW

2 stops19h 55mMultiple Airlines

Thu 30/1014:00LGW - MDW

1 stop23h 32mMultiple Airlines

Deal found 16/9£418

Thu 5/318:30ORD - LGW

1 stop10h 25mIcelandair

Mon 16/311:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/9£380

Mon 20/1017:28MDW - LGW

1 stop34h 32mMultiple Airlines

Sun 2/1113:00LGW - MDW

2 stops35h 39mMultiple Airlines

Deal found 16/9£434

Sun 5/1006:00ORD - LGW

1 stop22h 10mMultiple Airlines

Fri 10/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Deal found 17/9£448

Wed 10/1218:30ORD - LGW

1 stop10h 25mIcelandair

Wed 24/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/9£420

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Sun 11/114:10LGW - STL

1 stop23h 40mMultiple Airlines

Deal found 17/9£471

Tue 4/1118:30ORD - LGW

1 stop10h 25mIcelandair

Thu 20/1111:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 17/9£433

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Mon 12/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£475

Sun 28/910:13MDW - LGW

2 stops38h 07mMultiple Airlines

Tue 7/1013:05LGW - MDW

1 stop16h 20mMultiple Airlines

Deal found 17/9£478

Sun 5/1010:13MDW - LGW

1 stop17h 57mMultiple Airlines

Fri 10/1014:00LGW - MDW

1 stop31h 11mMultiple Airlines

Deal found 17/9£485

Mon 15/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Sun 11/114:10LGW - STL

1 stop23h 40mMultiple Airlines

Deal found 17/9£495

Mon 15/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Mon 12/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£498

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Fri 9/114:00LGW - STL

2 stops29h 53mMultiple Airlines

Deal found 17/9£500

Fri 17/1020:10PIA - LGW

2 stops17h 50mBritish Airways

Fri 24/1011:35LGW - PIA

2 stops17h 46mBritish Airways

Deal found 16/9£3,027

Sun 14/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Thu 8/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£506

Thu 16/1017:56MDW - LGW

1 stop30h 24mMultiple Airlines

Tue 21/1013:05LGW - MDW

1 stop16h 20mMultiple Airlines

Deal found 16/9£512

Thu 16/1011:49MDW - LGW

1 stop16h 11mMultiple Airlines

Sat 18/1010:45LGW - MDW

2 stops27h 54mMultiple Airlines

Deal found 16/9£513

Thu 16/1017:56MDW - LGW

1 stop30h 24mMultiple Airlines

Thu 23/1013:05LGW - MDW

1 stop16h 20mMultiple Airlines

Deal found 17/9£519

Mon 6/1008:19MDW - LGW

1 stop19h 41mMultiple Airlines

Wed 15/1014:00LGW - MDW

1 stop26h 46mMultiple Airlines

Deal found 17/9£519

Mon 15/1209:45STL - LGW

1 stop18h 15mMultiple Airlines

Thu 8/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 17/9£530

Last-minute flights from Illinois to Gatwick
Discover last-minute flight deals from Illinois to Gatwick. Data last updated 18 September 2025 and is based on user searches.

Sat 27/910:51MDW - LGW

1 stop17h 09mMultiple Airlines

Wed 8/1014:00LGW - MDW

1 stop25h 47mMultiple Airlines

Deal found 16/9£448

Tue 30/917:17ORD - LGW

1 stop34h 43mMultiple Airlines

Wed 8/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Deal found 16/9£385

Wed 1/1017:17ORD - LGW

1 stop34h 43mMultiple Airlines

Wed 8/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Deal found 17/9£382

Fri 3/1022:15ORD - LGW

1 stop10h 25mIcelandair

Tue 14/1015:40LGW - ORD

1 stop32h 35mIcelandair

Deal found 16/9£381

Fri 3/1006:30ORD - LGW

1 stop21h 30mMultiple Airlines

Wed 8/1014:00LGW - ORD

1 stop33h 53mMultiple Airlines

Deal found 16/9£384

Sun 5/1022:15ORD - LGW

1 stop10h 25mIcelandair

Tue 14/1015:40LGW - ORD

1 stop32h 35mIcelandair

Deal found 16/9£376

Tue 21/1006:00ORD - LGW

1 stop22h 00mMultiple Airlines

Fri 5/1214:00LGW - ORD

2 stops25h 44mMultiple Airlines

Deal found 17/9£375

Tue 21/1019:25ORD - LGW

1 stop13h 15mIcelandair

Thu 30/1011:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 15/9£380

Wed 22/1006:00ORD - LGW

1 stop22h 00mMultiple Airlines

Thu 30/1014:00LGW - ORD

1 stop33h 46mMultiple Airlines

Deal found 17/9£371

Wed 22/1006:40ORD - LGW

1 stop17h 40mMultiple Airlines

Fri 5/1214:00LGW - ORD

2 stops25h 44mMultiple Airlines

Deal found 17/9£374

Fri 24/1006:40ORD - LGW

1 stop17h 40mMultiple Airlines

Fri 5/1214:00LGW - ORD

2 stops25h 44mMultiple Airlines

Deal found 17/9£386

Wed 29/1019:50ORD - LGW

1 stop17h 00mSWISS

Mon 3/1118:40LGW - ORD

1 stop27h 40mSWISS

Deal found 17/9£377

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 18 September 2025.

Sat 4/1019:55STL - LGW

2 stops32h 15mMultiple Airlines

Deal found 17/9£169

Thu 30/1006:40ORD - LGW

2 stops45h 45mMultiple Airlines

Deal found 17/9£176

Thu 2/1005:10ORD - LGW

2 stops22h 50mMultiple Airlines

Deal found 16/9£177

Fri 17/1007:25ORD - LGW

2 stops20h 35mMultiple Airlines

Deal found 16/9£177

Thu 9/1006:00ORD - LGW

2 stops22h 00mMultiple Airlines

Deal found 15/9£179

Tue 11/1118:26MDW - LGW

2 stops15h 19mMultiple Airlines

Deal found 16/9£180

Sun 19/1013:26ORD - LGW

2 stops38h 34mMultiple Airlines

Deal found 16/9£180

Sun 28/918:00ORD - LGW

1 stop33h 45mTAP AIR PORTUGAL

Deal found 16/9£180

Sat 27/917:40ORD - LGW

2 stops30h 40mMultiple Airlines

Deal found 16/9£181

Sat 8/1117:45ORD - LGW

2 stops30h 15mMultiple Airlines

Deal found 16/9£182

Mon 12/106:05ORD - LGW

2 stops17h 55mMultiple Airlines

Deal found 16/9£183

Thu 2/1008:15MDW - LGW

2 stops19h 45mMultiple Airlines

Deal found 17/9£184

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

Wed 11/3

19:30-10:55

1 stop10h 25m

London Gatwick

Mon 16/3

11:55-18:20

1 stop11h 25m

£380

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 19/10

19:25-14:40

1 stop13h 15m

London Gatwick

Wed 3/12

11:55-17:20

1 stop11h 25m

£380

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 10/3

19:30-10:55

1 stop10h 25m

London Gatwick

Sun 15/3

11:55-18:20

1 stop11h 25m

£380

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 3/12

18:30-10:55

1 stop10h 25m

London Gatwick

Wed 10/12

11:55-17:20

1 stop11h 25m

£380

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 7/3

18:30-10:55

1 stop10h 25m

London Gatwick

Sun 15/3

11:55-18:20

1 stop11h 25m

£380

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 5/3

18:30-10:55

1 stop10h 25m

London Gatwick

Mon 16/3

11:55-18:20

1 stop11h 25m

£380

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 16/10

21:26-06:20

2 stops26h 54m

London Gatwick

Fri 31/10

14:00-10:26

1 stop25h 26m

£395

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 8/3

21:25-15:45

1 stop13h 20m

London Gatwick

Sat 14/3

10:10-15:45

2 stops34h 35m

£397

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 6/10

19:51-10:00

1 stop32h 09m

London Gatwick

Thu 9/10

14:00-18:46

1 stop34h 46m

£397

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 5/12

20:15-09:50

1 stop31h 35m

London Gatwick

Tue 16/12

21:20-15:00

2 stops23h 40m

£410

Flights are sorted by cheapest return flights first.

Deals found on 17/9

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, April is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of £102). Flying from Illinois to London Gatwick Airport in July is currently the most expensive (average of £142). 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.

How much does it cost for a return flight from Illinois to London Gatwick Airport?

Related info for your journey

How long is the flight from Illinois to London Gatwick Airport?
Airlines like Icelandair 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 . Illinois and London Gatwick Airport are separated by a distance of 3960 mi.
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, April is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of £102). Flying from Illinois to London Gatwick Airport in July is currently the most expensive (average of £142). 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

Hounslow

Slough

Gatwick

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Winchester

Chichester

Ipswich

Dartford

Guildford

Brentford

Bishop's Stortford

Romford

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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 £169

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Gatwick

Keep the following information in mind while searching for Illinois to Gatwick flight deals. Data was last updated 18 September 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 18 September 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 18 September 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?

How much does it cost for a return 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

See prices for flight routes from nearby airports that may be better suited for you.

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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 18 September 2025.