How long is the flight from London Gatwick Airport to Idaho?

Air France can get you from London Gatwick Airport to Idaho in just under 36h 35m. Your travel time can differ by up to . The distance from London Gatwick Airport to Idaho is about 4798 mi.

In terms of precipitation, rainfall in Idaho ranges from 5.0 - 41.0 inches per month. December is typically the wettest month, when rainfall can reach 41.0 mm. August is typically the driest time to visit Idaho when rainfall is around 5.0 mm.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -1.0 C).

What are the most popular routes from London Gatwick Airport to Idaho?

While some choose either London Gatwick - Boise Air Term. Gowen Fld or London Gatwick - Idaho Falls Fanning Field, London Gatwick - Spokane is the most popular route from London Gatwick Airport to Idaho.

What is the cheapest time of day to fly from LGW to ID?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Gatwick Airport to Idaho as you normally would.

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.

£889+ Cheap Flights from London Gatwick Airport to Idaho

Cheap flight deals from Gatwick to Idaho

Enter your travel dates to find the best prices.

Cheapest

Best

One-way

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 October 2026.

Tue 1/1216:45 -

2 stops36h 35m

Tue 8/1212:58 -

2 stops19h 47m

Deal found 17/10£889

Wed 2/1216:45 -

2 stops36h 35m

Wed 9/1212:58 -

2 stops19h 47m

Deal found 18/10£914

Wed 9/1220:15 -

2 stops45h 54m

Sun 3/110:43 -

2 stops21h 17m

Deal found 17/10£1,698

Tue 22/1206:30 -

2 stops34h 31m

Fri 1/110:43 -

2 stops28h 52m

Deal found 17/10£1,995

Wed 2/1211:15 -

2 stops30h 54m

Wed 9/1211:51 -

3 stops36h 39m

Deal found 18/10£2,982

Find flight deals from Gatwick to Idaho

Round-trip from	£889
Popular in	August
Cheapest in	January
Average price	£860

Air France
1/12-8/12
4 total stops
56h 22m total
London to Idaho

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£74 potential increase over avg. return price).

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Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).

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Average for round-trip flights in October 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Idaho that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

LondonHailey

LGW London Gatwick - SUN Hailey Sun Valley-Friedman

LGWSUN

London Gatwick

Tue 1/12

16:45-22:20

2 stops36h 35m

Hailey Sun Valley-Friedman

Tue 8/12

12:58-15:45

2 stops19h 47m

£889

LondonHailey

LGW London Gatwick - SUN Hailey Sun Valley-Friedman

LGWSUN

London Gatwick

Wed 2/12

16:45-22:20

2 stops36h 35m

Hailey Sun Valley-Friedman

Wed 9/12

12:58-15:45

2 stops19h 47m

£914

Fastest return journey

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Sat 24/10

15:40-22:59

2 stops38h 19m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£1,351

LondonHailey

LGW London Gatwick - SUN Hailey Sun Valley-Friedman

LGWSUN

London Gatwick

Wed 9/12

20:15-11:09

2 stops45h 54m

Hailey Sun Valley-Friedman

Sun 3/1

10:43-15:00

2 stops21h 17m

£1,698

LondonHailey

LGW London Gatwick - SUN Hailey Sun Valley-Friedman

LGWSUN

London Gatwick

Tue 22/12

06:30-10:01

2 stops34h 31m

Hailey Sun Valley-Friedman

Fri 1/1

10:43-22:35

2 stops28h 52m

£1,995

LondonHailey

LGW London Gatwick - SUN Hailey Sun Valley-Friedman

LGWSUN

London Gatwick

Wed 2/12

19:40-11:09

3 stops46h 29m

Hailey Sun Valley-Friedman

Wed 9/12

11:51-07:30

3 stops36h 39m

£6,039

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Sorted by cheapest first

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.

LGW-SUN

LGW-IDA

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

LGW-USID

LGW-SUN

LGW-IDA

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from London Gatwick Airport to Idaho?
Air France can get you from London Gatwick Airport to Idaho in just under 36h 35m. Your travel time can differ by up to . The distance from London Gatwick Airport to Idaho is about 4798 mi.
What are the most popular routes from London Gatwick Airport to Idaho?
While some choose either London Gatwick - Boise Air Term. Gowen Fld or London Gatwick - Idaho Falls Fanning Field, 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.

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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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Cheap flights from London Gatwick Airport to Idaho from £889

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Gatwick to Idaho

Cheapest flights from Gatwick to IdahoExplore 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 October 2026.

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 October 2026.

Best flights from Gatwick to IdahoDiscover carefully curated flight deals from Gatwick to Idaho that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 October 2026.

Discover carefully curated flight deals from Gatwick to Idaho that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 October 2026.

One-way flights from Gatwick to IdahoSearch for one-way flight options from Gatwick to Idaho. Find affordable one-way fares based on user searches. Data last updated 20 October 2026.

Search for one-way flight options from Gatwick to Idaho. Find affordable one-way fares based on user searches. Data last updated 20 October 2026.

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Related info for your journey

How long is the flight from London Gatwick Airport to Idaho?

What are the most popular routes from London Gatwick Airport to Idaho?

Can I find deals for flights from Gatwick to Idaho that include hotel bookings?

How can I find direct flights from Gatwick to Idaho?

Can I find deals for business class flights from Gatwick to Idaho?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gatwick to Idaho

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Complete your trip

Complete your trip to Idaho by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Gatwick and Idaho flights

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Can Cheapflights notify me if prices for flights from Gatwick to Idaho become cheaper?

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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 October 2026.

Best flights from Gatwick to Idaho
Discover carefully curated flight deals from Gatwick to Idaho that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 October 2026.

One-way flights from Gatwick to Idaho
Search for one-way flight options from Gatwick to Idaho. Find affordable one-way fares based on user searches. Data last updated 20 October 2026.