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Cheap flights from London Gatwick Airport to Idaho from £431

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — BOI
19 Jun — 26 Jun1
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 20 May 2026.

Mon 21/910:20
LGW
-
BOI
2 stops19h 18m
Multiple Airlines
Sun 4/1014:08
BOI
-
LGW
2 stops17h 32m
Multiple Airlines
Deal found 19/5£807
Tue 22/910:35
LGW
-
BOI
2 stops30h 27m
Delta
Tue 6/1013:15
BOI
-
LGW
2 stops19h 45m
Delta
Deal found 19/5£821
Sun 20/910:25
LGW
-
BOI
2 stops44h 04m
Delta
Wed 7/1016:05
BOI
-
LGW
2 stops16h 55m
Delta
Deal found 19/5£831
Tue 23/613:00
LGW
-
BOI
2 stops16h 24m
Icelandair
Sat 4/718:10
BOI
-
LGW
2 stops37h 30m
Icelandair
Deal found 16/5£835
Tue 1/913:00
LGW
-
IDA
2 stops16h 56m
Icelandair
Fri 25/915:57
IDA
-
LGW
2 stops39h 43m
Icelandair
Deal found 19/5£845
Fri 18/910:25
LGW
-
BOI
2 stops20h 34m
Delta
Sun 4/1019:30
BOI
-
LGW
2 stops37h 30m
Delta
Deal found 19/5£851
Fri 18/910:20
LGW
-
BOI
2 stops17h 05m
Condor
Sat 3/1014:08
BOI
-
LGW
2 stops21h 37m
Condor
Deal found 19/5£857
Mon 21/910:25
LGW
-
BOI
2 stops30h 37m
Delta
Sat 3/1010:23
BOI
-
LGW
2 stops15h 57m
Delta
Deal found 19/5£858
Sun 20/910:25
LGW
-
BOI
2 stops44h 31m
Delta
Fri 2/1017:45
BOI
-
LGW
2 stops39h 15m
Delta
Deal found 19/5£860
Mon 22/615:40
LGW
-
BOI
2 stops25h 03m
Multiple Airlines
Sun 28/606:23
BOI
-
LGW
2 stops25h 17m
Multiple Airlines
Deal found 17/5£877
Mon 15/610:25
LGW
-
GEG
2 stops18h 44m
Delta
Mon 22/616:30
GEG
-
LGW
2 stops15h 30m
Delta
Deal found 17/5£880
Mon 22/610:25
LGW
-
GEG
2 stops18h 44m
Delta
Mon 6/711:15
GEG
-
LGW
2 stops14h 25m
Delta
Deal found 18/5£884

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 20 May 2026.

Round-trip from

£807

One-way from

£431

Popular in

December

Cheapest in

January

Average price

£677
21/9-4/10
  • 21/9-4/10
  • 4 total stops
  • 36h 50m total
  • London to Idaho
Search Deals
30/9
  • 30/9
  • 3 total stops
  • 34h 43m total
  • London to Idaho
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 20 May 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

Wed 23/9

10:25-10:02

2 stops30h 37m

Boise Air Term. Gowen Fld

Wed 7/10

11:30-16:00

2 stops21h 30m

£821

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 22/9

10:35-10:02

2 stops30h 27m

Boise Air Term. Gowen Fld

Tue 6/10

13:15-16:00

2 stops19h 45m

£821

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 22/9

10:35-10:02

2 stops30h 27m

Boise Air Term. Gowen Fld

Thu 1/10

14:45-16:00

2 stops18h 15m

£821

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 23/6

13:00-22:24

2 stops16h 24m

Boise Air Term. Gowen Fld

Sat 4/7

18:10-14:40

2 stops37h 30m

£835

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 22/9

10:35-10:02

2 stops30h 27m

Boise Air Term. Gowen Fld

Fri 2/10

10:23-09:25

2 stops16h 02m

£851

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 18/9

10:20-20:25

2 stops17h 05m

Boise Air Term. Gowen Fld

Sat 3/10

14:08-18:45

2 stops21h 37m

£857

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 9/6

13:00-18:11

2 stops36h 11m

Boise Air Term. Gowen Fld

Tue 16/6

20:47-11:45

2 stops31h 58m

£858

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Mon 15/6

10:25-21:09

2 stops18h 44m

Spokane

Mon 22/6

16:30-16:00

2 stops15h 30m

£880

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Sat 19/9

10:25-12:05

2 stops32h 40m

Boise Air Term. Gowen Fld

Fri 2/10

10:23-09:25

2 stops16h 02m

£881
Fastest return journey

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Mon 22/6

10:25-21:09

2 stops18h 44m

Spokane

Mon 6/7

11:15-09:40

2 stops14h 25m

£884

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 29 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?

    Delta and Icelandair can get you from London Gatwick Airport to Idaho in just under 16h 24m. Your travel time can differ by up to 14h 13m. The distance from London Gatwick Airport to Idaho is about 4853 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 - Spokane, 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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