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Cheap flights from London Gatwick Airport to Idaho from £393

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — BOI
2 Jul — 9 Jul1
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 2 June 2026.

Fri 26/615:40
LGW
-
GEG
2 stops37h 16m
Icelandair
Fri 3/719:45
GEG
-
LGW
2 stops32h 00m
Icelandair
Deal found 29/5£788
Wed 2/910:20
LGW
-
BOI
2 stops17h 13m
Multiple Airlines
Mon 14/910:14
BOI
-
LGW
2 stops25h 36m
Multiple Airlines
Deal found 30/5£796
Tue 23/613:00
LGW
-
BOI
2 stops16h 24m
Icelandair
Sat 4/718:10
BOI
-
LGW
2 stops37h 30m
Icelandair
Deal found 28/5£811
Tue 25/813:00
LGW
-
GEG
2 stops18h 59m
Icelandair
Wed 2/915:44
GEG
-
LGW
2 stops38h 56m
Icelandair
Deal found 28/5£840
Sun 23/813:00
LGW
-
GEG
2 stops40h 01m
Icelandair
Wed 2/915:44
GEG
-
LGW
2 stops38h 56m
Icelandair
Deal found 28/5£840
Tue 7/715:40
LGW
-
GEG
2 stops37h 16m
Icelandair
Tue 21/719:45
GEG
-
LGW
2 stops34h 55m
Icelandair
Deal found 30/5£846
Tue 2/615:35
LGW
-
GEG
2 stops39h 17m
Condor
Wed 24/606:20
GEG
-
LGW
2 stops28h 25m
Condor
Deal found 29/5£851
Thu 4/613:00
LGW
-
GEG
2 stops16h 18m
Icelandair
Tue 16/619:45
GEG
-
LGW
2 stops34h 55m
Icelandair
Deal found 31/5£855
Tue 7/715:40
LGW
-
BOI
2 stops33h 31m
Icelandair
Tue 14/720:47
BOI
-
LGW
2 stops31h 58m
Icelandair
Deal found 28/5£863
Thu 9/713:00
LGW
-
GEG
2 stops18h 59m
Multiple Airlines
Sun 12/706:13
GEG
-
LGW
2 stops24h 27m
Multiple Airlines
Deal found 1/6£866
Mon 24/815:40
LGW
-
GEG
2 stops16h 19m
Icelandair
Sat 19/1208:40
GEG
-
LGW
2 stops18h 15m
Icelandair
Deal found 28/5£875
Thu 20/815:40
LGW
-
GEG
2 stops37h 21m
Icelandair
Wed 2/915:44
GEG
-
LGW
2 stops38h 56m
Icelandair
Deal found 28/5£878

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 2 June 2026.

Round-trip from

£788

One-way from

£393

Popular in

December

Cheapest in

January

Average price

£779
Icelandair
  • Icelandair
  • 26/6-3/7
  • 4 total stops
  • 69h 16m total
  • London to Idaho
Search Deals
30/6
  • 30/6
  • 3 total stops
  • 42h 53m 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 (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 2 June 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

Fri 26/6

15:40-20:56

2 stops37h 16m

Spokane

Fri 3/7

19:45-11:45

2 stops32h 00m

£788

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 2/9

10:20-20:33

2 stops17h 13m

Boise Air Term. Gowen Fld

Mon 14/9

10:14-18:50

2 stops25h 36m

£796

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

£811

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 25/8

13:00-23:59

2 stops18h 59m

Spokane

Wed 2/9

15:44-14:40

2 stops38h 56m

£840

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 7/7

15:40-20:56

2 stops37h 16m

Spokane

Tue 21/7

19:45-14:40

2 stops34h 55m

£846

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 23/6

13:00-22:24

2 stops16h 24m

Boise Air Term. Gowen Fld

Sun 28/6

16:27-11:45

2 stops36h 18m

£857

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Thu 9/7

13:00-23:59

2 stops18h 59m

Spokane

Sun 12/7

06:13-14:40

2 stops24h 27m

£866
Fastest return journey

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Mon 24/8

15:40-23:59

2 stops16h 19m

Spokane

Sat 19/12

08:40-10:55

2 stops18h 15m

£875

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Thu 20/8

15:40-21:01

2 stops37h 21m

Spokane

Wed 2/9

15:44-14:40

2 stops38h 56m

£878

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 26/6

10:20-22:24

2 stops19h 04m

Boise Air Term. Gowen Fld

Fri 3/7

13:06-18:50

2 stops22h 44m

£898

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Showing 1-10 of 37 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 37h 16m. 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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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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