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

Airlines like Icelandair, SWISS, and Iberia 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 7h 16m. 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 Lambert-St Louis - London Gatwick or Chicago Midway - 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.

£203+ Cheap Flights from Illinois to London Gatwick Airport

Cheap flight deals from Illinois to Gatwick

Round-trip from	£417
One-way from	£203
Popular in	June
Cheapest in	February
Average price	£521

TAP AIR PORTUGAL
28/11-6/12
2 total stops
41h 40m total
Illinois to London

Search Deals

1/12
1 total stop
21h 12m total
Illinois to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£117 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 November 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 17 November 2025.

Fri 28/1120:15ORD - LGW

1 stop13h 30mTAP AIR PORTUGAL

Sat 6/1216:35LGW - ORD

1 stop28h 10mTAP AIR PORTUGAL

Deal found 16/11£417

Tue 9/1211:15ORD - LGW

2 stops24h 00mMultiple Airlines

Sun 14/1208:25LGW - ORD

2 stops17h 40mMultiple Airlines

Deal found 16/11£418

Sat 6/1218:30ORD - LGW

1 stop10h 25mIcelandair

Thu 8/111:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/11£420

Wed 10/1215:50ORD - LGW

1 stop10h 20mMultiple Airlines

Wed 17/1211:15LGW - ORD

1 stop12h 40mMultiple Airlines

Deal found 16/11£420

Wed 26/1115:50ORD - LGW

1 stop10h 20mMultiple Airlines

Wed 3/1208:50LGW - ORD

1 stop15h 05mMultiple Airlines

Deal found 16/11£421

Wed 10/1215:50ORD - LGW

1 stop10h 20mMultiple Airlines

Sun 14/1208:25LGW - ORD

1 stop11h 35mMultiple Airlines

Deal found 15/11£422

Mon 1/1215:50ORD - LGW

1 stop10h 30mMultiple Airlines

Mon 8/1209:00LGW - ORD

1 stop14h 55mMultiple Airlines

Deal found 15/11£424

Wed 26/1118:30ORD - LGW

1 stop10h 25mIcelandair

Wed 3/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 14/11£425

Wed 26/1118:30ORD - LGW

1 stop10h 25mIcelandair

Thu 4/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/11£429

Thu 4/1218:30ORD - LGW

1 stop10h 25mIcelandair

Fri 12/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/11£430

Mon 1/1215:50ORD - LGW

1 stop10h 30mMultiple Airlines

Sun 7/1208:25LGW - ORD

1 stop15h 30mMultiple Airlines

Deal found 16/11£431

Tue 25/1106:20MDW - LGW

1 stop17h 40mMultiple Airlines

Wed 3/1209:35LGW - MDW

2 stops33h 26mMultiple Airlines

Deal found 14/11£529

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 17 November 2025.

Fri 9/106:10MDW - LGW

2 stops21h 50mMultiple Airlines

Thu 15/114:00LGW - MDW

1 stop24h 33mMultiple Airlines

Deal found 16/11£456

Mon 1/1218:30ORD - LGW

1 stop10h 25mIcelandair

Mon 8/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/11£469

Mon 16/218:35ORD - LGW

2 stops17h 15mSWISS

Wed 25/218:40LGW - ORD

1 stop27h 40mSWISS

Deal found 16/11£485

Wed 8/418:00ORD - LGW

1 stop14h 00mTAP AIR PORTUGAL

Wed 15/421:15LGW - ORD

2 stops48h 45mTAP AIR PORTUGAL

Deal found 16/11£534

Fri 1/511:14STL - LGW

2 stops17h 41mIberia

Tue 12/520:40LGW - STL

2 stops32h 44mIberia

Deal found 15/11£558

Fri 5/1210:52PIA - LGW

2 stops14h 38mAmerican Airlines

Tue 9/1211:20LGW - PIA

2 stops37h 56mAmerican Airlines

Deal found 15/11£678

Thu 8/110:39ORD - LGW

1 stop17h 21mMultiple Airlines

Sun 11/114:10LGW - ORD

1 stop35h 55mMultiple Airlines

Deal found 14/11£460

Tue 7/419:25ORD - LGW

1 stop13h 15mIcelandair

Wed 15/415:40LGW - ORD

1 stop32h 35mIcelandair

Deal found 16/11£483

Mon 12/118:35ORD - LGW

2 stops17h 15mSWISS

Mon 19/118:40LGW - ORD

1 stop24h 05mSWISS

Deal found 16/11£485

Fri 6/320:15ORD - LGW

1 stop31h 35mTAP AIR PORTUGAL

Fri 13/321:25LGW - ORD

2 stops47h 20mTAP AIR PORTUGAL

Deal found 16/11£562

Thu 9/419:25ORD - LGW

1 stop13h 15mIcelandair

Wed 15/415:40LGW - ORD

1 stop32h 35mIcelandair

Deal found 16/11£521

Tue 20/118:35ORD - LGW

2 stops17h 15mSWISS

Sun 25/118:40LGW - ORD

1 stop24h 05mSWISS

Deal found 16/11£523

Tue 6/106:10MDW - LGW

2 stops41h 50mMultiple Airlines

Mon 12/114:00LGW - MDW

1 stop14h 59mMultiple Airlines

Deal found 15/11£524

Mon 11/511:14STL - LGW

2 stops17h 41mIberia

Mon 25/520:40LGW - STL

2 stops29h 22mIberia

Deal found 16/11£577

Tue 2/1217:40ORD - LGW

2 stops32h 05mMultiple Airlines

Tue 9/1216:25LGW - ORD

2 stops28h 30mMultiple Airlines

Deal found 16/11£553

Fri 1/511:14STL - LGW

2 stops17h 41mIberia

Sat 9/520:40LGW - STL

2 stops42h 02mIberia

Deal found 16/11£609

Sat 17/118:10ORD - LGW

2 stops17h 40mSWISS

Sun 25/118:40LGW - ORD

1 stop24h 05mSWISS

Deal found 16/11£565

Fri 27/305:30STL - LGW

2 stops21h 00mAmerican Airlines

Tue 31/314:30LGW - STL

2 stops27h 36mAmerican Airlines

Deal found 16/11£684

Fri 13/217:40ORD - LGW

2 stops16h 35mMultiple Airlines

Mon 16/217:20LGW - ORD

2 stops27h 35mMultiple Airlines

Deal found 15/11£577

Thu 22/116:45STL - LGW

1 stop35h 15mMultiple Airlines

Tue 3/213:00LGW - STL

2 stops40h 33mMultiple Airlines

Deal found 15/11£596

Fri 27/306:23MLI - LGW

2 stops20h 07mAmerican Airlines

Tue 31/310:40LGW - MLI

2 stops40h 51mAmerican Airlines

Deal found 14/11£879

Sun 8/310:42STL - LGW

2 stops38h 18mMultiple Airlines

Fri 13/314:00LGW - STL

1 stop22h 13mMultiple Airlines

Deal found 15/11£646

Tue 30/1210:48STL - LGW

2 stops37h 12mMultiple Airlines

Thu 8/114:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 16/11£647

Fri 27/316:52PIA - LGW

2 stops55h 53mAmerican Airlines

Tue 31/314:30LGW - PIA

2 stops31h 14mAmerican Airlines

Deal found 14/11£959

Wed 28/116:45STL - LGW

1 stop35h 15mMultiple Airlines

Sun 1/211:40LGW - STL

2 stops15h 05mMultiple Airlines

Deal found 15/11£699

Wed 1/415:30STL - LGW

2 stops32h 50mMultiple Airlines

Tue 7/414:00LGW - STL

1 stop14h 33mMultiple Airlines

Deal found 16/11£706

Sun 15/217:11STL - LGW

1 stop34h 49mMultiple Airlines

Sat 21/219:40LGW - STL

2 stops32h 53mMultiple Airlines

Deal found 16/11£743

Fri 27/306:00STL - LGW

1 stop23h 00mMultiple Airlines

Fri 3/414:00LGW - STL

1 stop23h 13mMultiple Airlines

Deal found 15/11£744

Thu 18/1210:42STL - LGW

2 stops17h 18mMultiple Airlines

Sat 10/114:00LGW - STL

1 stop24h 40mMultiple Airlines

Deal found 15/11£758

Sun 11/115:35MDW - LGW

2 stops13h 20mMultiple Airlines

Fri 16/111:55LGW - MDW

2 stops15h 30mMultiple Airlines

Deal found 15/11£785

Last-minute flights from Illinois to Gatwick
Discover last-minute flight deals from Illinois to Gatwick. Data last updated 17 November 2025 and is based on user searches.

Tue 25/1106:20MDW - LGW

1 stop17h 40mMultiple Airlines

Wed 3/1209:35LGW - MDW

2 stops33h 26mMultiple Airlines

Deal found 14/11£529

Wed 26/1115:50ORD - LGW

1 stop10h 20mMultiple Airlines

Wed 3/1208:50LGW - ORD

1 stop15h 05mMultiple Airlines

Deal found 16/11£421

Wed 26/1118:30ORD - LGW

1 stop10h 25mIcelandair

Wed 3/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 14/11£425

Wed 26/1118:30ORD - LGW

1 stop10h 25mIcelandair

Thu 4/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/11£429

Fri 28/1120:15ORD - LGW

1 stop13h 30mTAP AIR PORTUGAL

Sat 6/1216:35LGW - ORD

1 stop28h 10mTAP AIR PORTUGAL

Deal found 16/11£417

Mon 1/1215:50ORD - LGW

1 stop10h 30mMultiple Airlines

Mon 8/1209:00LGW - ORD

1 stop14h 55mMultiple Airlines

Deal found 15/11£424

Mon 1/1215:50ORD - LGW

1 stop10h 30mMultiple Airlines

Sun 7/1208:25LGW - ORD

1 stop15h 30mMultiple Airlines

Deal found 16/11£431

Thu 4/1218:30ORD - LGW

1 stop10h 25mIcelandair

Fri 12/1211:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/11£430

Sat 6/1218:30ORD - LGW

1 stop10h 25mIcelandair

Thu 8/111:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 16/11£420

Tue 9/1211:15ORD - LGW

2 stops24h 00mMultiple Airlines

Sun 14/1208:25LGW - ORD

2 stops17h 40mMultiple Airlines

Deal found 16/11£418

Wed 10/1215:50ORD - LGW

1 stop10h 20mMultiple Airlines

Wed 17/1211:15LGW - ORD

1 stop12h 40mMultiple Airlines

Deal found 16/11£420

Wed 10/1215:50ORD - LGW

1 stop10h 20mMultiple Airlines

Sun 14/1208:25LGW - ORD

1 stop11h 35mMultiple Airlines

Deal found 15/11£422

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 17 November 2025.

Mon 1/1206:48ORD - LGW

1 stop21h 12mMultiple Airlines

Deal found 15/11£203

Tue 9/1207:10ORD - LGW

3 stops21h 45mMultiple Airlines

Deal found 16/11£205

Wed 10/1208:00ORD - LGW

3 stops20h 55mMultiple Airlines

Deal found 16/11£206

Thu 15/112:44ORD - LGW

1 stop15h 16mMultiple Airlines

Deal found 15/11£206

Sat 14/216:47ORD - LGW

2 stops21h 53mMultiple Airlines

Deal found 15/11£207

Mon 16/206:40ORD - LGW

2 stops21h 10mMultiple Airlines

Deal found 16/11£209

Fri 9/118:30ORD - LGW

3 stops18h 00mMultiple Airlines

Deal found 15/11£209

Thu 15/109:43MDW - LGW

1 stop18h 17mMultiple Airlines

Deal found 15/11£210

Thu 4/1211:44ORD - LGW

2 stops36h 16mMultiple Airlines

Deal found 16/11£212

Sun 14/1207:20ORD - LGW

1 stop20h 40mMultiple Airlines

Deal found 15/11£212

Sat 6/1218:30ORD - LGW

3 stops44h 25mMultiple Airlines

Deal found 16/11£214

Fri 28/1111:48ORD - LGW

2 stops17h 07mMultiple Airlines

Deal found 15/11£216

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

MDW - LGW

MDWLGW

Chicago Midway

Fri 9/1

06:10-10:00

2 stops21h 50m

London Gatwick

Thu 15/1

14:00-08:33

1 stop24h 33m

£456

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 8/1

10:39-10:00

1 stop17h 21m

London Gatwick

Sun 11/1

14:10-20:05

1 stop35h 55m

£460

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 1/12

18:30-10:55

1 stop10h 25m

London Gatwick

Mon 8/12

11:55-17:20

1 stop11h 25m

£469

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 7/4

19:25-14:40

1 stop13h 15m

London Gatwick

Wed 15/4

15:40-18:15

1 stop32h 35m

£483

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 16/2

18:35-17:50

2 stops17h 15m

London Gatwick

Wed 25/2

18:40-16:20

1 stop27h 40m

£485

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 12/1

18:35-17:50

2 stops17h 15m

London Gatwick

Mon 19/1

18:40-12:45

1 stop24h 05m

£485

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 9/4

19:25-14:40

1 stop13h 15m

London Gatwick

Wed 15/4

15:40-18:15

1 stop32h 35m

£521

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 20/1

18:35-17:50

2 stops17h 15m

London Gatwick

Sun 25/1

18:40-12:45

1 stop24h 05m

£523

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Tue 6/1

06:10-06:00

2 stops41h 50m

London Gatwick

Mon 12/1

14:00-22:59

1 stop14h 59m

£524

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 8/4

18:00-14:00

1 stop14h 00m

London Gatwick

Wed 15/4

21:15-16:00

2 stops48h 45m

£534

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 60 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, SWISS, and Iberia 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 7h 16m. 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 Lambert-St Louis - London Gatwick or Chicago Midway - 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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Hayes

Colchester

Watford

Winchester

Crawley

Brentford

Romford

Chichester

Ipswich

Bedford

Eastbourne

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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.

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 £203

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 1/12. 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 17 November 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 17 November 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 17 November 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 17 November 2025.