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Cheap flights from London Gatwick Airport to Idaho from £441

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — BOI
4 Apr — 11 Apr1
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 5 March 2026.

Fri 4/910:10
LGW
-
BOI
1 stop19h 45m
Multiple Airlines
Mon 14/906:00
BOI
-
LGW
2 stops21h 55m
Multiple Airlines
Deal found 1/3£658
Tue 14/409:25
LGW
-
BOI
2 stops20h 37m
Multiple Airlines
Tue 21/408:07
BOI
-
LGW
2 stops26h 43m
Multiple Airlines
Deal found 28/2£666
Mon 20/415:40
LGW
-
BOI
2 stops38h 17m
Icelandair
Mon 27/416:38
BOI
-
LGW
2 stops39h 02m
Icelandair
Deal found 1/3£675
Tue 21/415:40
LGW
-
BOI
2 stops38h 22m
Icelandair
Tue 28/416:38
BOI
-
LGW
2 stops15h 02m
Icelandair
Deal found 4/3£677
Wed 11/311:55
LGW
-
BOI
2 stops16h 45m
Icelandair
Tue 31/311:58
BOI
-
LGW
2 stops19h 42m
Icelandair
Deal found 1/3£702
Thu 3/910:15
LGW
-
BOI
1 stop19h 40m
Multiple Airlines
Mon 14/906:00
BOI
-
LGW
2 stops21h 55m
Multiple Airlines
Deal found 1/3£702
Mon 20/415:40
LGW
-
BOI
2 stops38h 17m
Multiple Airlines
Mon 27/414:57
BOI
-
LGW
2 stops16h 43m
Multiple Airlines
Deal found 4/3£705
Wed 10/610:55
LGW
-
BOI
1 stop18h 50m
Multiple Airlines
Tue 16/618:51
BOI
-
LGW
1 stop33h 04m
Multiple Airlines
Deal found 4/3£714
Thu 16/415:40
LGW
-
GEG
2 stops37h 44m
Icelandair
Thu 23/406:00
GEG
-
LGW
2 stops24h 40m
Icelandair
Deal found 2/3£716
Tue 12/515:40
LGW
-
GEG
2 stops37h 38m
Icelandair
Thu 28/512:46
GEG
-
LGW
2 stops17h 54m
Icelandair
Deal found 2/3£742
Fri 17/415:40
LGW
-
GEG
2 stops16h 19m
Multiple Airlines
Fri 24/405:00
GEG
-
LGW
2 stops25h 40m
Multiple Airlines
Deal found 3/3£754
Thu 28/510:20
LGW
-
GEG
2 stops18h 58m
Multiple Airlines
Mon 8/612:36
GEG
-
LGW
2 stops22h 14m
Multiple Airlines
Deal found 2/3£797

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 5 March 2026.

Round-trip from

£527

One-way from

£441

Popular in

December

Cheapest in

January

Average price

£626
30/4-5/5
  • 30/4-5/5
  • 4 total stops
  • 42h 11m total
  • London to Idaho
Search Deals
13/3
  • 13/3
  • 3 total stops
  • 51h 20m total
  • London to Idaho
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 5 March 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

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 14/4

09:25-23:02

2 stops20h 37m

Boise Air Term. Gowen Fld

Tue 21/4

08:07-17:50

2 stops26h 43m

£666

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 20/4

15:40-22:57

2 stops38h 17m

Boise Air Term. Gowen Fld

Mon 27/4

16:38-14:40

2 stops39h 02m

£675

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 21/4

15:40-23:02

2 stops38h 22m

Boise Air Term. Gowen Fld

Tue 28/4

16:38-14:40

2 stops15h 02m

£677

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 20/4

15:40-22:57

2 stops38h 17m

Boise Air Term. Gowen Fld

Mon 27/4

14:57-14:40

2 stops16h 43m

£705

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 10/6

10:55-22:45

1 stop18h 50m

Boise Air Term. Gowen Fld

Tue 16/6

18:51-10:55

1 stop33h 04m

£714

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Thu 16/4

15:40-21:24

2 stops37h 44m

Spokane

Thu 23/4

06:00-14:40

2 stops24h 40m

£716

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Sat 29/8

10:00-22:55

1 stop19h 55m

Boise Air Term. Gowen Fld

Fri 11/9

06:00-10:55

2 stops21h 55m

£728

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Fri 17/4

15:40-23:59

2 stops16h 19m

Spokane

Fri 24/4

05:00-14:40

2 stops25h 40m

£754

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Sat 29/8

10:00-22:55

1 stop19h 55m

Boise Air Term. Gowen Fld

Thu 10/9

06:00-10:55

2 stops21h 55m

£763

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 19/6

10:10-10:12

1 stop31h 02m

Boise Air Term. Gowen Fld

Sun 28/6

08:03-10:55

1 stop19h 52m

£782

Flights are sorted by cheapest return flights first.

Deals found on 2/3

Showing 1-10 of 33 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 38h 17m. Your travel time can differ by up to . The distance from London Gatwick Airport to Idaho is about 4853 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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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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