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Cheap flights from London Gatwick Airport to Idaho from £355

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — BOI
12 Aug — 19 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 13 July 2026.

Tue 8/915:40
LGW
-
GEG
2 stops39h 31m
Icelandair
Tue 6/1016:38
GEG
-
LGW
2 stops38h 02m
Icelandair
Deal found 9/7£716
Sun 27/1211:55
LGW
-
GEG
2 stops17h 16m
Multiple Airlines
Sun 10/109:14
GEG
-
LGW
2 stops17h 41m
Multiple Airlines
Deal found 13/7£721
Thu 3/910:20
LGW
-
BOI
2 stops20h 24m
Multiple Airlines
Wed 16/914:16
BOI
-
LGW
2 stops21h 29m
Multiple Airlines
Deal found 11/7£729
Tue 29/910:20
LGW
-
GEG
2 stops20h 05m
Multiple Airlines
Tue 6/1012:44
GEG
-
LGW
2 stops22h 06m
Multiple Airlines
Deal found 9/7£733
Tue 8/910:35
LGW
-
GEG
2 stops20h 19m
Virgin Atlantic
Tue 6/1015:30
GEG
-
LGW
2 stops16h 30m
Virgin Atlantic
Deal found 13/7£733
Mon 26/1009:55
LGW
-
BOI
2 stops20h 03m
Multiple Airlines
Mon 9/1112:49
BOI
-
LGW
2 stops19h 01m
Multiple Airlines
Deal found 10/7£736
Tue 1/915:40
LGW
-
GEG
2 stops16h 19m
Icelandair
Tue 22/915:34
GEG
-
LGW
2 stops39h 06m
Icelandair
Deal found 11/7£754
Sat 17/1010:20
LGW
-
GEG
2 stops20h 13m
Multiple Airlines
Sat 24/1012:44
GEG
-
LGW
2 stops23h 36m
Multiple Airlines
Deal found 8/7£768
Sun 18/1015:40
LGW
-
GEG
2 stops16h 14m
Icelandair
Fri 23/1016:38
GEG
-
LGW
2 stops14h 02m
Icelandair
Deal found 8/7£784
Fri 25/910:20
LGW
-
BOI
2 stops17h 05m
Multiple Airlines
Wed 7/1012:58
BOI
-
LGW
2 stops22h 47m
Multiple Airlines
Deal found 9/7£786
Tue 13/1010:20
LGW
-
BOI
2 stops20h 38m
Multiple Airlines
Thu 29/1016:19
BOI
-
LGW
2 stops21h 01m
Multiple Airlines
Deal found 13/7£796
Sun 18/1010:20
LGW
-
GEG
2 stops20h 13m
Multiple Airlines
Fri 23/1013:49
GEG
-
LGW
2 stops21h 01m
Multiple Airlines
Deal found 9/7£800

Find flight deals from Gatwick to Idaho

Keep the following information in mind while searching for Gatwick to Idaho flight deals. Data was last updated 13 July 2026.

Round-trip from

£716

One-way from

£355

Popular in

December

Cheapest in

January

Average price

£919
Icelandair
  • Icelandair
  • 8/9-6/10
  • 4 total stops
  • 77h 33m total
  • London to Idaho
Search Deals
6/9
  • 6/9
  • 3 total stops
  • 53h 29m total
  • London to Idaho
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 13 July 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 8/9

15:40-23:11

2 stops39h 31m

Spokane

Tue 6/10

16:38-14:40

2 stops38h 02m

£716

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Mon 19/10

10:20-22:33

2 stops20h 13m

Spokane

Fri 23/10

12:44-18:50

2 stops22h 06m

£716

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Sun 27/12

11:55-21:11

2 stops17h 16m

Spokane

Sun 10/1

09:14-10:55

2 stops17h 41m

£721

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Thu 3/9

10:20-23:44

2 stops20h 24m

Boise Air Term. Gowen Fld

Wed 16/9

14:16-18:45

2 stops21h 29m

£729

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 29/9

10:20-22:25

2 stops20h 05m

Spokane

Tue 6/10

12:44-18:50

2 stops22h 06m

£733

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 8/9

10:35-22:54

2 stops20h 19m

Spokane

Tue 6/10

15:30-16:00

2 stops16h 30m

£733

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 26/10

09:55-23:58

2 stops20h 03m

Boise Air Term. Gowen Fld

Mon 9/11

12:49-14:50

2 stops19h 01m

£736

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Sat 17/10

10:20-22:33

2 stops20h 13m

Spokane

Sat 24/10

12:44-20:20

2 stops23h 36m

£768
Fastest return journey

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Sun 18/10

15:40-23:54

2 stops16h 14m

Spokane

Fri 23/10

16:38-14:40

2 stops14h 02m

£784

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 25/9

10:20-20:25

2 stops17h 05m

Boise Air Term. Gowen Fld

Wed 7/10

12:58-18:45

2 stops22h 47m

£786

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 36 resultsSorted by cheapest first
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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 39h 31m. 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 - Idaho Falls Fanning Field or London Gatwick - Boise Air Term. Gowen Fld, London Gatwick - Spokane 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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Fly with Cheapflights

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How does Cheapflights help users find flights from Gatwick to Idaho?

Deals for Gatwick to Idaho flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Idaho?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Gatwick to Idaho.

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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