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Cheap flights from London Gatwick Airport to Idaho from £344

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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — BOI
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Find flight deals from Gatwick to Idaho

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to Idaho
Explore the most affordable flight options available from Gatwick to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Thu 4/1211:55LGW - BOI
2 stops16h 50mMultiple Airlines
Thu 11/1210:00BOI - LGW
2 stops17h 55mMultiple Airlines
Deal found 20/10£600
Mon 8/1211:55LGW - BOI
2 stops16h 50mIcelandair
Mon 15/1212:19BOI - LGW
2 stops15h 36mIcelandair
Deal found 20/10£633
Mon 8/1211:55LGW - BOI
2 stops16h 50mMultiple Airlines
Mon 15/1212:19BOI - LGW
2 stops15h 36mMultiple Airlines
Deal found 20/10£686
Fri 5/1211:55LGW - BOI
2 stops16h 50mMultiple Airlines
Wed 10/1212:19BOI - LGW
2 stops15h 36mMultiple Airlines
Deal found 19/10£691
Mon 8/1211:55LGW - BOI
2 stops16h 50mMultiple Airlines
Tue 16/1211:45BOI - LGW
2 stops16h 10mMultiple Airlines
Deal found 19/10£701
Thu 11/1211:55LGW - BOI
2 stops18h 01mMultiple Airlines
Fri 9/111:35BOI - LGW
2 stops16h 20mMultiple Airlines
Deal found 19/10£729
Thu 4/1211:55LGW - GEG
2 stops16h 10mIcelandair
Thu 11/1208:23GEG - LGW
2 stops18h 32mIcelandair
Deal found 19/10£734
Mon 8/1211:55LGW - BOI
2 stops16h 50mIcelandair
Tue 16/1212:19BOI - LGW
2 stops15h 36mIcelandair
Deal found 19/10£1,180
Mon 22/1211:55LGW - GEG
2 stops19h 15mIcelandair
Sun 4/111:36GEG - LGW
2 stops15h 19mIcelandair
Deal found 20/10£1,804
Mon 22/1211:55LGW - BOI
2 stops16h 15mMultiple Airlines
Fri 2/111:58BOI - LGW
2 stops15h 57mMultiple Airlines
Deal found 20/10£1,866
Sat 20/1211:55LGW - BOI
2 stops17h 31mMultiple Airlines
Fri 2/111:58BOI - LGW
2 stops15h 57mMultiple Airlines
Deal found 20/10£2,466

Cheap flight deals from Gatwick to Idaho

Keep the following information in mind while searching for Gatwick to Idaho flight deals. Data was last updated 21 October 2025.

Round-trip from

£585

One-way from

£344

Popular in

July

Cheapest in

September

Average price

£725
Icelandair
  • Icelandair
  • 10/3-17/3
  • 4 total stops
  • 31h 59m total
  • London to Idaho
Search Deals
14/11
  • 14/11
  • 3 total stops
  • 52h 43m total
  • London to Idaho
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£88 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 October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick to Idaho 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 21 October 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Idaho that are best for you.

Fly from

Gatwick

Fly to

Idaho

Route

Depart

Return

Price

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 10/3

11:55-20:59

2 stops16h 04m

Spokane

Tue 17/3

12:00-10:55

2 stops15h 55m

£585

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 8/12

11:55-21:45

2 stops16h 50m

Boise Air Term. Gowen Fld

Mon 15/12

12:19-10:55

2 stops15h 36m

£633

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 8/12

11:55-21:45

2 stops16h 50m

Boise Air Term. Gowen Fld

Mon 15/12

12:19-10:55

2 stops15h 36m

£686

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 5/12

11:55-21:45

2 stops16h 50m

Boise Air Term. Gowen Fld

Wed 10/12

12:19-10:55

2 stops15h 36m

£691

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 8/12

11:55-21:45

2 stops16h 50m

Boise Air Term. Gowen Fld

Tue 16/12

11:45-10:55

2 stops16h 10m

£701

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 9/2

11:55-21:05

2 stops16h 10m

Boise Air Term. Gowen Fld

Mon 16/2

11:54-10:55

2 stops16h 01m

£707

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Thu 11/12

11:55-22:56

2 stops18h 01m

Boise Air Term. Gowen Fld

Fri 9/1

11:35-10:55

2 stops16h 20m

£729

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Fri 17/4

15:40-22:35

2 stops37h 55m

Idaho Falls Fanning Field

Fri 24/4

16:00-14:40

2 stops15h 40m

£895

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Fri 27/3

11:55-00:13

2 stops19h 18m

Spokane

Thu 9/4

11:35-14:40

2 stops19h 05m

£1,060

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 8/12

11:55-21:45

2 stops16h 50m

Boise Air Term. Gowen Fld

Tue 16/12

12:19-10:55

2 stops15h 36m

£1,180

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 18 results
1
2

Best time to book a flight from Gatwick to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Gatwick 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 London Gatwick Airport to Idaho
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Idaho. 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 London Gatwick Airport to Idaho?

    Icelandair can get you from London Gatwick Airport to Idaho in just under 16h 04m. Your travel time can differ by up to . The distance from London Gatwick Airport to Idaho is about 4667 mi.

  • What are the most popular routes from London Gatwick Airport to Idaho?

    While some choose either London Gatwick - Spokane or London Gatwick - Idaho Falls Fanning Field, London Gatwick - Boise Air Term. Gowen Fld is the most popular route from London Gatwick Airport to Idaho.

  • Can I find deals for flights from Gatwick to Idaho that include hotel bookings?

    Yes. In addition to deals on Gatwick to Idaho flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Idaho.

  • Can I find deals for business class flights from Gatwick to Idaho?

    Yes. Cheapflights offers flight deals from Gatwick to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Gatwick to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Gatwick to Idaho?

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Can Cheapflights find flights from Gatwick to Idaho with no change fees?

Need flexible booking options for your flight to Idaho from Gatwick? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Gatwick to Idaho become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Idaho from Gatwick today and book when prices fit your budget.

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