What are the cheapest airlines to fly from Illinois to London Gatwick Airport one-way?

One-way options have recently been found by users for as low as £205 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £206 and Porter Airlines from £297 one-way.

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.

How far in advance should I book a flight from Illinois to London Gatwick Airport?

To save on the cost of your flight from Illinois to London Gatwick Airport, book at least 49 days before your planned departure. Booking around this time can save you about 7% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £547 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £552.

What is the cheapest month to fly from Illinois to London Gatwick Airport?

February can be a great time to fly to London Gatwick Airport from Illinois with a flight ticket averaging about £583. Cheapflights users have found deals in the month of February for as cheap as £365. The most expensive prices can be found in the month of June.

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+ Flights from Illinois to London Gatwick Airport

Cheap flight deals from Illinois to Gatwick

Round-trip from	£459
One-way from	£203
Popular in	June
Cheapest in	February
Average price	£548

28/4-3/5
2 total stops
42h 29m total
Illinois to London

Search Deals

12/4
1 total stop
15h 02m total
Illinois to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£102 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 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 29 March 2025.

Wed 19/1118:30ORD - LGW

1 stop10h 25mIcelandair

Mon 24/1111:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 27/3£457

Thu 1/519:00ORD - LGW

1 stop29h 55mMultiple Airlines

Thu 8/514:00LGW - ORD

1 stop15h 29mMultiple Airlines

Deal found 26/3£459

Tue 1/416:40MDW - LGW

1 stop35h 20mMultiple Airlines

Tue 29/414:00LGW - MDW

2 stops31h 13mMultiple Airlines

Deal found 28/3£478

Mon 28/417:10ORD - LGW

1 stop33h 00mBritish Airways

Fri 9/515:05LGW - ORD

1 stop32h 29mBritish Airways

Deal found 28/3£513

Wed 22/1018:00ORD - LGW

2 stops20h 30mTAP AIR PORTUGAL

Thu 20/1116:35LGW - ORD

1 stop28h 55mTAP AIR PORTUGAL

Deal found 27/3£515

Tue 22/414:20ORD - LGW

1 stop21h 30mSWISS

Mon 28/418:35LGW - ORD

1 stop23h 35mSWISS

Deal found 27/3£518

Sat 27/923:45ORD - LGW

1 stop16h 40mTurkish Airlines

Sat 4/1010:55LGW - ORD

1 stop17h 05mTurkish Airlines

Deal found 27/3£519

Tue 19/813:31ORD - LGW

1 stop14h 29mDelta

Thu 4/912:00LGW - ORD

1 stop15h 34mDelta

Deal found 27/3£529

Sun 11/511:45ORD - LGW

1 stop14h 05mAmerican Airlines

Tue 20/512:20LGW - ORD

2 stops17h 51mAmerican Airlines

Deal found 28/3£532

Mon 12/517:45STL - LGW

1 stop34h 15mMultiple Airlines

Fri 30/514:00LGW - STL

1 stop15h 52mMultiple Airlines

Deal found 27/3£550

Tue 29/407:19STL - LGW

2 stops18h 51mAmerican Airlines

Wed 7/510:40LGW - STL

2 stops19h 11mAmerican Airlines

Deal found 29/3£576

Thu 22/509:40MDW - LGW

2 stops18h 10mPorter Airlines

Tue 27/511:35LGW - MDW

2 stops26h 44mPorter Airlines

Deal found 28/3£592

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 29 March 2025.

Mon 28/405:55ORD - LGW

1 stop18h 25mMultiple Airlines

Sat 3/514:00LGW - ORD

1 stop24h 04mMultiple Airlines

Deal found 28/3£459

Fri 25/422:15ORD - LGW

1 stop10h 25mIcelandair

Tue 6/513:00LGW - ORD

1 stop11h 15mIcelandair

Deal found 28/3£461

Sun 27/418:00ORD - LGW

2 stops35h 20mTAP AIR PORTUGAL

Tue 29/416:25LGW - ORD

1 stop29h 45mTAP AIR PORTUGAL

Deal found 28/3£470

Tue 23/913:15ORD - LGW

2 stops12h 55mAmerican Airlines

Fri 3/1010:40LGW - ORD

2 stops19h 15mAmerican Airlines

Deal found 28/3£505

Sun 4/511:36ORD - LGW

1 stop14h 14mBritish Airways

Mon 19/520:40LGW - ORD

1 stop23h 35mBritish Airways

Deal found 28/3£510

Sun 4/518:35ORD - LGW

1 stop17h 15mSWISS

Thu 15/518:40LGW - ORD

1 stop23h 30mSWISS

Deal found 28/3£518

Tue 19/810:35ORD - LGW

1 stop17h 25mVirgin Atlantic

Thu 4/912:00LGW - ORD

1 stop15h 34mVirgin Atlantic

Deal found 28/3£528

Tue 19/811:19ORD - LGW

2 stops16h 41mKLM

Thu 4/912:00LGW - ORD

2 stops17h 55mKLM

Deal found 28/3£532

Fri 23/517:50MDW - LGW

2 stops34h 00mPorter Airlines

Sun 1/611:35LGW - MDW

2 stops27h 10mPorter Airlines

Deal found 27/3£609

Mon 25/813:30STL - LGW

2 stops14h 30mDelta

Thu 4/912:00LGW - STL

2 stops17h 01mDelta

Deal found 28/3£612

Thu 1/513:19MDW - LGW

1 stop14h 41mMultiple Airlines

Thu 8/514:00LGW - MDW

1 stop28h 24mMultiple Airlines

Deal found 26/3£470

Fri 11/415:40STL - LGW

2 stops24h 40mTurkish Airlines

Sun 27/410:55LGW - STL

2 stops33h 47mTurkish Airlines

Deal found 28/3£1,102

Last-minute flights from Illinois to Gatwick
Discover last-minute flight deals from Illinois to Gatwick. Data last updated 29 March 2025 and is based on user searches.

Sun 30/318:00ORD - LGW

2 stops20h 25mTAP AIR PORTUGAL

Tue 1/416:25LGW - ORD

1 stop29h 45mTAP AIR PORTUGAL

Deal found 26/3£463

Tue 1/416:40MDW - LGW

1 stop35h 20mMultiple Airlines

Tue 29/414:00LGW - MDW

2 stops31h 13mMultiple Airlines

Deal found 28/3£478

Wed 2/412:46MDW - LGW

1 stop15h 14mMultiple Airlines

Fri 18/414:00LGW - MDW

1 stop32h 15mMultiple Airlines

Deal found 27/3£471

Thu 3/419:50ORD - LGW

1 stop20h 30mTurkish Airlines

Fri 11/417:15LGW - ORD

1 stop22h 25mTurkish Airlines

Deal found 28/3£820

Sat 5/415:30STL - LGW

1 stop13h 15mMultiple Airlines

Sat 15/1111:55LGW - STL

2 stops25h 54mMultiple Airlines

Deal found 28/3£1,302

Sun 6/418:35ORD - LGW

1 stop17h 15mSWISS

Mon 14/418:35LGW - ORD

1 stop23h 35mSWISS

Deal found 28/3£520

Sun 6/418:38ORD - LGW

1 stop33h 32mBritish Airways

Mon 14/420:40LGW - ORD

1 stop23h 35mBritish Airways

Deal found 28/3£521

Sun 6/418:00ORD - LGW

1 stop15h 10mTAP AIR PORTUGAL

Tue 8/416:25LGW - ORD

1 stop29h 45mTAP AIR PORTUGAL

Deal found 28/3£535

Mon 7/419:30ORD - LGW

1 stop10h 15mIcelandair

Mon 14/415:40LGW - ORD

1 stop32h 35mIcelandair

Deal found 28/3£475

Mon 7/415:40STL - LGW

2 stops24h 40mTurkish Airlines

Mon 21/405:30LGW - STL

2 stops39h 12mTurkish Airlines

Deal found 28/3£1,102

Tue 8/405:55ORD - LGW

2 stops22h 05mMultiple Airlines

Wed 23/414:00LGW - ORD

2 stops24h 35mMultiple Airlines

Deal found 28/3£460

Tue 15/405:55ORD - LGW

1 stop18h 25mMultiple Airlines

Mon 28/414:00LGW - ORD

1 stop15h 36mMultiple Airlines

Deal found 26/3£457

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 29 March 2025.

Sat 12/412:58MDW - LGW

1 stop15h 02mMultiple Airlines

Deal found 27/3£203

Sun 4/522:15ORD - LGW

1 stop31h 30mIcelandair

Deal found 28/3£205

Thu 24/718:00ORD - LGW

1 stop33h 45mTAP AIR PORTUGAL

Deal found 28/3£206

Thu 3/419:21ORD - LGW

2 stops32h 39mMultiple Airlines

Deal found 29/3£209

Thu 22/509:40MDW - LGW

2 stops18h 10mPorter Airlines

Deal found 27/3£297

Mon 12/511:45ORD - LGW

1 stop14h 25mBritish Airways

Deal found 29/3£321

Mon 26/509:40MDW - LGW

1 stop19h 05mAir Transat

Deal found 27/3£323

Sun 6/416:30ORD - LGW

1 stop12h 20mIberia

Deal found 28/3£325

Sat 5/716:00STL - LGW

2 stops24h 50mMultiple Airlines

Deal found 27/3£345

Sat 30/813:40ORD - LGW

2 stops37h 45mWestJet

Deal found 28/3£362

Fri 18/418:35ORD - LGW

1 stop17h 15mSWISS

Deal found 28/3£368

Sun 24/811:51STL - LGW

2 stops16h 09mDelta

Deal found 28/3£409

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

Mon 28/4

05:55-06:20

1 stop18h 25m

London Gatwick

Sat 3/5

14:00-08:04

1 stop24h 04m

£459

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 25/4

22:15-14:40

1 stop10h 25m

London Gatwick

Tue 6/5

13:00-18:15

1 stop11h 15m

£461

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 27/4

18:00-11:20

2 stops35h 20m

London Gatwick

Tue 29/4

16:25-16:10

1 stop29h 45m

£470

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 1/5

13:19-10:00

1 stop14h 41m

London Gatwick

Thu 8/5

14:00-12:24

1 stop28h 24m

£470

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 23/9

13:15-08:10

2 stops12h 55m

London Gatwick

Fri 3/10

10:40-23:55

2 stops19h 15m

£505

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 4/5

11:36-07:50

1 stop14h 14m

London Gatwick

Mon 19/5

20:40-14:15

1 stop23h 35m

£510

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 4/5

18:35-17:50

1 stop17h 15m

London Gatwick

Thu 15/5

18:40-12:10

1 stop23h 30m

£518

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 19/8

10:35-10:00

1 stop17h 25m

London Gatwick

Thu 4/9

12:00-21:34

1 stop15h 34m

£528

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 19/8

11:19-10:00

2 stops16h 41m

London Gatwick

Thu 4/9

12:00-23:55

2 stops17h 55m

£532

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 12/5

17:45-10:00

1 stop34h 15m

London Gatwick

Fri 30/5

14:00-23:52

1 stop15h 52m

£550

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 35 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 £101). 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.

Rainfall in Gatwick by month

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.

Temperature in Gatwick by month

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).

Reviews of airlines servicing Gatwick

To help decide which airline to fly from Illinois to London, see what other customers have to say about Delta, Porter Airlines and KLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,897 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines

7.9

Good

277 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat

7.8

Good

381 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,570 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Illinois to London Gatwick Airport one-way?
One-way options have recently been found by users for as low as £205 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £206 and Porter Airlines from £297 one-way.
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 £101). 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

Hounslow

Deal

Milton Keynes

Gatwick

Croydon

Luton

Slough

Eastbourne

Wembley

Hayes

Ilford

Crawley

Southend-on-Sea

Winchester

Maidstone

Ipswich

Watford

Southall

Dartford

Folkestone

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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 £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 12/4. 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 29 March 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 29 March 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 29 March 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?

Rainfall in Gatwick by month

Plan your trip to Gatwick by taking into account the average rainfall totals by month.

Temperature in Gatwick by month

Plan your trip to Gatwick by taking into account the average temperature totals by month.

Reviews of airlines servicing Gatwick

To help decide which airline to fly from Illinois to London, see what other customers have to say about Delta, Porter Airlines and KLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines to fly from Illinois to London Gatwick Airport one-way?

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 Illinois?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Gatwick

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

Fly with Cheapflights

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 29 March 2025.