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 - 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.

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.

£374+ Cheap Flights from London Gatwick Airport to Idaho

Cheap flight deals from Gatwick to Idaho

Enter your travel dates to find the best prices.

One-way

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 26 October 2026.

Thu 19/1111:00 -

3 stops35h 34m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 21/10£374

Wed 18/1109:50 -

3 stops32h 21m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 21/10£392

Sat 21/1116:35 -

3 stops49h 26m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 21/10£472

Fri 20/1108:15 -

3 stops36h 03m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 21/10£501

Mon 16/1107:40 -

3 stops38h 38m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 21/10£627

Sun 15/1109:50 -

3 stops34h 03m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 21/10£635

Tue 17/1110:00 -

2 stops39h 17m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 21/10£955

Find flight deals from Gatwick to Idaho

Popular in	August
Cheapest in	April
Average price	£856

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

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).

Search Deals

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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Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Wed 18/11

09:50-11:11

3 stops32h 21m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£392

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Sat 21/11

16:35-11:01

3 stops49h 26m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£472

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Fri 20/11

08:15-13:18

3 stops36h 03m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£501

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Thu 19/11

11:00-15:09

2 stops35h 09m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£537

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Mon 16/11

07:40-15:18

3 stops38h 38m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£627

Flights are sorted by cheapest return flights first.

Deals found on 21/10

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-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-IDA

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

Related info for your journey

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.

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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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Cheap flights from London Gatwick Airport to Idaho from £374

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Gatwick to Idaho

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 26 October 2026.

Search for one-way flight options from Gatwick to Idaho. Find affordable one-way fares based on user searches. Data last updated 26 October 2026.

Find flight deals from Gatwick to Idaho

Popular in

Cheapest in

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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.

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.

Cheapflights Insights

Related info for your journey

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Gatwick to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

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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Search flights from Gatwick to Idaho by cabin class

Find flights from Gatwick to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Gatwick and Idaho flights

Browse other Gatwick and Idaho flight options. Last updated on 26 October 2026.

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Consider these flights travelling from Gatwick to Idaho.

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Why should you use Cheapflights to find cheap flight tickets from Gatwick to Idaho?

Can Cheapflights find flights from Gatwick to Idaho with no change fees?

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

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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 26 October 2026.