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Cheap flights from London Gatwick Airport to Idaho from £394

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — BOI
27 May — 3 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 27 April 2026.

Fri 29/519:00
LGW
-
BOI
2 stops34h 43m
Multiple Airlines
Sat 6/608:38
BOI
-
LGW
1 stop19h 17m
Multiple Airlines
Deal found 22/4£737
Sat 6/610:20
LGW
-
GEG
2 stops18h 58m
Multiple Airlines
Sat 13/613:23
GEG
-
LGW
2 stops21h 22m
Multiple Airlines
Deal found 22/4£797
Fri 29/513:05
LGW
-
BOI
2 stops28h 58m
Multiple Airlines
Fri 5/619:33
BOI
-
LGW
1 stop32h 22m
Multiple Airlines
Deal found 22/4£801
Tue 1/913:00
LGW
-
IDA
2 stops16h 56m
Multiple Airlines
Fri 25/913:45
IDA
-
LGW
2 stops17h 55m
Multiple Airlines
Deal found 25/4£812
Thu 30/415:40
LGW
-
BOI
2 stops38h 22m
Multiple Airlines
Sun 10/506:00
BOI
-
LGW
2 stops25h 40m
Multiple Airlines
Deal found 25/4£818
Wed 4/1111:55
LGW
-
GEG
2 stops17h 16m
Icelandair
Sun 8/1111:44
GEG
-
LGW
2 stops15h 11m
Icelandair
Deal found 23/4£819
Fri 1/510:20
LGW
-
BOI
2 stops19h 42m
Multiple Airlines
Sun 10/509:02
BOI
-
LGW
2 stops26h 48m
Multiple Airlines
Deal found 25/4£830
Thu 21/510:20
LGW
-
BOI
2 stops19h 04m
Multiple Airlines
Thu 4/609:00
BOI
-
LGW
2 stops22h 40m
Multiple Airlines
Deal found 25/4£875
Mon 8/615:40
LGW
-
BOI
2 stops33h 34m
Icelandair
Mon 15/620:47
BOI
-
LGW
2 stops34h 53m
Icelandair
Deal found 24/4£888
Wed 29/410:20
LGW
-
GEG
2 stops19h 11m
Multiple Airlines
Wed 27/507:00
GEG
-
LGW
2 stops23h 45m
Multiple Airlines
Deal found 22/4£889
Fri 29/515:40
LGW
-
BOI
2 stops37h 44m
Icelandair
Sat 6/616:19
BOI
-
LGW
2 stops15h 16m
Icelandair
Deal found 22/4£900
Mon 8/610:25
LGW
-
IDA
2 stops19h 28m
Multiple Airlines
Mon 15/607:15
IDA
-
LGW
2 stops19h 25m
Multiple Airlines
Deal found 24/4£920

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 27 April 2026.

Round-trip from

£737

One-way from

£394

Popular in

December

Cheapest in

January

Average price

£620
29/5-6/6
  • 29/5-6/6
  • 3 total stops
  • 54h 00m total
  • London to Idaho
Search Deals
7/9
  • 7/9
  • 2 total stops
  • 55h 02m total
  • London to Idaho
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£43 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 April 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 27 April 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

Fri 29/5

19:00-22:43

2 stops34h 43m

Boise Air Term. Gowen Fld

Sat 6/6

08:38-10:55

1 stop19h 17m

£737

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Sat 6/6

10:20-21:18

2 stops18h 58m

Spokane

Sat 13/6

13:23-18:45

2 stops21h 22m

£797

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 29/5

13:05-11:03

2 stops28h 58m

Boise Air Term. Gowen Fld

Fri 5/6

19:33-10:55

1 stop32h 22m

£801

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 1/9

13:00-22:56

2 stops16h 56m

Idaho Falls Fanning Field

Fri 25/9

13:45-14:40

2 stops17h 55m

£812

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Thu 21/5

10:20-22:24

2 stops19h 04m

Boise Air Term. Gowen Fld

Thu 4/6

09:00-14:40

2 stops22h 40m

£875

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 8/6

15:40-18:14

2 stops33h 34m

Boise Air Term. Gowen Fld

Mon 15/6

20:47-14:40

2 stops34h 53m

£888

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 29/5

15:40-22:24

2 stops37h 44m

Boise Air Term. Gowen Fld

Sat 6/6

16:19-14:35

2 stops15h 16m

£900

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Mon 8/6

10:25-22:53

2 stops19h 28m

Idaho Falls Fanning Field

Mon 15/6

07:15-09:40

2 stops19h 25m

£920

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 23/6

10:35-22:28

2 stops18h 53m

Boise Air Term. Gowen Fld

Sun 5/7

12:00-09:25

2 stops14h 25m

£924

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 23/6

13:00-22:24

2 stops16h 24m

Boise Air Term. Gowen Fld

Sat 4/7

10:00-11:45

2 stops18h 45m

£928

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 30 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 and Condor can get you from London Gatwick Airport to Idaho in just under 18h 41m. Your travel time can differ by up to 14h 53m. The distance from London Gatwick Airport to Idaho is about 4667 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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