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Cheap flights from Illinois to London Gatwick Airport from £234

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LGW
23 Jul — 30 Jul1
1 adult

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 July 2025.

Round-trip from

£436

One-way from

£234

Popular in

June

Cheapest in

February

Average price

£777
Icelandair
  • Icelandair
  • 8/8-18/8
  • 2 total stops
  • 21h 55m total
  • Illinois to London
Search Deals
1/10
  • 1/10
  • 2 total stops
  • 32h 05m total
  • Illinois to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£115 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 July 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 July 2025.

Fri 8/819:25ORD - LGW
1 stop10h 20mIcelandair
Mon 18/815:40LGW - ORD
1 stop11h 35mIcelandair
Deal found 18/7£436
Wed 10/917:17ORD - LGW
1 stop34h 43mMultiple Airlines
Sun 14/914:00LGW - ORD
1 stop32h 12mMultiple Airlines
Deal found 17/7£436
Sat 16/810:35ORD - LGW
1 stop17h 25mDelta
Mon 25/812:00LGW - ORD
1 stop15h 53mDelta
Deal found 18/7£444
Thu 23/1008:39MDW - LGW
1 stop19h 21mMultiple Airlines
Thu 30/1014:00LGW - MDW
1 stop22h 44mMultiple Airlines
Deal found 18/7£446
Wed 13/817:40STL - LGW
1 stop34h 20mMultiple Airlines
Wed 20/814:00LGW - STL
1 stop29h 07mMultiple Airlines
Deal found 17/7£477
Thu 24/710:30STL - LGW
2 stops17h 30mDelta
Fri 15/812:00LGW - STL
2 stops17h 14mDelta
Deal found 17/7£528
Fri 8/809:40MDW - LGW
2 stops18h 10mPorter Airlines
Sun 17/813:10LGW - MDW
2 stops25h 35mPorter Airlines
Deal found 16/7£735
Thu 16/1020:11PIA - LGW
2 stops17h 49mBritish Airways
Mon 20/1020:40LGW - PIA
2 stops29h 01mBritish Airways
Deal found 16/7£1,015
Sat 30/810:49PIA - LGW
3 stops30h 21mMultiple Airlines
Sat 6/917:10LGW - PIA
3 stops33h 42mMultiple Airlines
Deal found 16/7£2,404

Cheapflights Fare Finder

Customise your flight search to find flights from Illinois to Gatwick that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 July 2025.
Use the filters below to find and compare flights from Illinois to London Gatwick Airport that are best for you.

Fly from

Illinois

Fly to

Gatwick

Route

Depart

Return

Price

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 8/8

19:25-11:45

1 stop10h 20m

London Gatwick

Mon 18/8

15:40-21:15

1 stop11h 35m

£436

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 10/9

17:17-10:00

1 stop34h 43m

London Gatwick

Sun 14/9

14:00-16:12

1 stop32h 12m

£436

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 16/8

07:00-10:00

1 stop21h 00m

London Gatwick

Sun 24/8

12:00-21:53

1 stop15h 53m

£444

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Thu 23/10

08:39-10:00

1 stop19h 21m

London Gatwick

Thu 30/10

14:00-07:44

1 stop22h 44m

£446

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 13/8

17:40-10:00

1 stop34h 20m

London Gatwick

Wed 20/8

14:00-13:07

1 stop29h 07m

£477

ChicagoLondon

MDW - LGW

MDWLGW

Chicago Midway

Fri 8/8

09:40-09:50

2 stops18h 10m

London Gatwick

Sun 17/8

13:10-08:45

2 stops25h 35m

£735

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Thu 16/10

20:11-20:00

2 stops17h 49m

London Gatwick

Mon 20/10

20:40-19:41

2 stops29h 01m

£1,015

PeoriaLondon

PIA - LGW

PIALGW

Greater Peoria

Sat 30/8

10:49-23:10

3 stops30h 21m

London Gatwick

Sat 6/9

17:10-20:52

3 stops33h 42m

£2,404

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 1/10

19:55-10:00

2 stops32h 05m

£234

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 23/7

07:00-20:40

2 stops31h 40m

£249

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 23 results
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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.

Reviews of airlines servicing Gatwick

Get insights into the airlines that provide service to Gatwick. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gatwick. Reviews last updated 18 July 2025.
Check out reviews from past customers who have flown with Porter Airlines, Delta, andKLM from Illinois to London Gatwick Airport to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very Good
311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Entertainment

7.0

Crew

8.7

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
Porter Airlines
8.0
Very Good
311 reviews
Porter Airlines
8.0
Very Good
311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Entertainment

7.0

Crew

8.7

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
Delta
8.0
Very Good
7,958 reviews
Porter Airlines
8.0
Very Good
311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Entertainment

7.0

Crew

8.7

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
KLM
7.8
Good
1,374 reviews
Porter Airlines
8.0
Very Good
311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Entertainment

7.0

Crew

8.7

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
Air Transat
7.7
Good
416 reviews
Porter Airlines
8.0
Very Good
311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Entertainment

7.0

Crew

8.7

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
Virgin Atlantic
7.4
Good
655 reviews
Porter Airlines
8.0
Very Good
311 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Entertainment

7.0

Crew

8.7

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make

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?

    One-way options have recently been found by users for as low as £252 on Icelandair. Other airlines that offer cheap prices include Air Transat from £259 and JetBlue from £263 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, 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

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Deal
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Southend-on-Sea
Folkestone
Watford
Winchester
Maidstone
Guildford
Chichester

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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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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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