What is the cheapest month to book a flight from London Gatwick Airport to Idaho?

Currently, October is the cheapest month in which you can book a flight from London Gatwick Airport to Idaho (average of £754). Flying from London Gatwick Airport to Idaho in August is currently the most expensive (average of £1,152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

How far in advance should I book a flight from London Gatwick Airport to Idaho?

To save up to 25% on this flight, we recommend booking at least 21 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Gatwick Airport to Idaho from £620 1-2 weeks out and tickets from £1,023 for flights departing within the next 72 hours.

What is the cheapest month to fly from London Gatwick Airport to Idaho?

The best pricing can be found in the month of November. Prices to Idaho from London Gatwick Airport average £708. You can even find prices in November for less than £708, as users have found deals to Idaho from as low as £509. The month of July appears to be one of the more expensive times to travel to Idaho from London Gatwick Airport. Flying in the targeted month can save you up to 30%.

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.

£294+ Cheap Flights from London Gatwick Airport to Idaho

Cheap flight deals from Gatwick to Idaho

Round-trip from	£498
One-way from	£294
Popular in	July
Cheapest in	November
Average price	£867

12/9-19/9
2 total stops
55h 35m total
London to Idaho

Search Deals

15/10
3 total stops
31h 28m total
London to Idaho

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£85 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Gatwick to Idaho

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 16 August 2025.

Fri 12/910:55LGW - GEG

1 stop19h 30mMultiple Airlines

Fri 19/913:25GEG - LGW

1 stop36h 05mMultiple Airlines

Deal found 15/8£498

Mon 29/909:50LGW - GEG

1 stop34h 55mMultiple Airlines

Mon 6/1020:54GEG - LGW

2 stops25h 26mMultiple Airlines

Deal found 15/8£584

Mon 29/909:50LGW - BOI

1 stop34h 49mMultiple Airlines

Mon 6/1019:10BOI - LGW

2 stops28h 10mMultiple Airlines

Deal found 15/8£618

Wed 3/915:35LGW - GEG

2 stops39h 36mIcelandair

Wed 17/912:39GEG - LGW

2 stops18h 01mIcelandair

Deal found 15/8£625

Wed 3/910:55LGW - GEG

1 stop19h 30mMultiple Airlines

Wed 17/906:25GEG - LGW

1 stop20h 30mMultiple Airlines

Deal found 15/8£631

Tue 30/913:05LGW - BOI

2 stops31h 43mMultiple Airlines

Tue 7/1020:26BOI - LGW

1 stop31h 29mMultiple Airlines

Deal found 16/8£648

Sat 30/813:00LGW - BOI

2 stops40h 40mIcelandair

Sat 13/916:34BOI - LGW

2 stops15h 06mIcelandair

Deal found 14/8£651

Tue 30/915:40LGW - BOI

2 stops38h 10mIcelandair

Tue 7/1016:25BOI - LGW

2 stops15h 15mIcelandair

Deal found 16/8£653

Mon 8/1211:55LGW - BOI

2 stops17h 25mIcelandair

Tue 16/1209:50BOI - LGW

2 stops18h 05mIcelandair

Deal found 16/8£654

Mon 29/915:40LGW - GEG

2 stops16h 39mIcelandair

Mon 6/1015:40GEG - LGW

2 stops39h 00mIcelandair

Deal found 15/8£660

Mon 8/1211:55LGW - BOI

2 stops19h 00mMultiple Airlines

Tue 16/1206:00BOI - LGW

2 stops21h 55mMultiple Airlines

Deal found 16/8£664

Sun 28/910:55LGW - BOI

1 stop18h 59mMultiple Airlines

Sun 5/1006:30BOI - LGW

2 stops21h 25mMultiple Airlines

Deal found 14/8£672

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 16 August 2025.

Fri 12/910:55LGW - GEG

1 stop19h 30mMultiple Airlines

Fri 19/913:25GEG - LGW

1 stop36h 05mMultiple Airlines

Deal found 15/8£498

Wed 3/915:35LGW - GEG

2 stops39h 36mIcelandair

Wed 17/912:39GEG - LGW

2 stops18h 01mIcelandair

Deal found 15/8£625

Mon 29/909:50LGW - GEG

1 stop34h 55mMultiple Airlines

Mon 6/1020:54GEG - LGW

2 stops25h 26mMultiple Airlines

Deal found 15/8£584

Sat 30/813:00LGW - BOI

2 stops40h 40mIcelandair

Sat 13/916:34BOI - LGW

2 stops15h 06mIcelandair

Deal found 14/8£651

Mon 29/909:50LGW - BOI

1 stop34h 49mMultiple Airlines

Mon 6/1019:10BOI - LGW

2 stops28h 10mMultiple Airlines

Deal found 15/8£618

Tue 30/915:40LGW - BOI

2 stops38h 10mIcelandair

Tue 7/1016:25BOI - LGW

2 stops15h 15mIcelandair

Deal found 16/8£653

Wed 3/910:55LGW - GEG

1 stop19h 30mMultiple Airlines

Wed 17/906:25GEG - LGW

1 stop20h 30mMultiple Airlines

Deal found 15/8£631

Mon 8/1211:55LGW - BOI

2 stops17h 25mIcelandair

Tue 16/1209:50BOI - LGW

2 stops18h 05mIcelandair

Deal found 16/8£654

Tue 30/913:05LGW - BOI

2 stops31h 43mMultiple Airlines

Tue 7/1020:26BOI - LGW

1 stop31h 29mMultiple Airlines

Deal found 16/8£648

Mon 29/915:40LGW - GEG

2 stops16h 39mIcelandair

Mon 6/1015:40GEG - LGW

2 stops39h 00mIcelandair

Deal found 15/8£660

Mon 6/1015:40LGW - BOI

2 stops38h 25mMultiple Airlines

Mon 13/1017:38BOI - LGW

2 stops38h 02mMultiple Airlines

Deal found 16/8£653

Mon 8/1211:55LGW - BOI

2 stops19h 00mMultiple Airlines

Tue 16/1206:00BOI - LGW

2 stops21h 55mMultiple Airlines

Deal found 16/8£664

Last-minute flights from Gatwick to Idaho
Discover last-minute flight deals from Gatwick to Idaho. Data last updated 16 August 2025 and is based on user searches.

Sun 24/815:40LGW - IDA

2 stops30h 37mMultiple Airlines

Mon 1/906:13IDA - LGW

2 stops49h 27mMultiple Airlines

Deal found 15/8£1,749

Thu 28/813:00LGW - BOI

2 stops16h 40mIcelandair

Sat 6/916:34BOI - LGW

2 stops15h 01mIcelandair

Deal found 14/8£760

Sat 30/813:00LGW - BOI

2 stops40h 40mIcelandair

Sat 13/916:34BOI - LGW

2 stops15h 06mIcelandair

Deal found 14/8£651

Wed 3/915:35LGW - GEG

2 stops39h 36mIcelandair

Wed 17/912:39GEG - LGW

2 stops18h 01mIcelandair

Deal found 15/8£625

Wed 3/910:55LGW - GEG

1 stop19h 30mMultiple Airlines

Wed 17/906:25GEG - LGW

1 stop20h 30mMultiple Airlines

Deal found 15/8£631

Fri 12/910:55LGW - GEG

1 stop19h 30mMultiple Airlines

Fri 19/913:25GEG - LGW

1 stop36h 05mMultiple Airlines

Deal found 15/8£498

Sun 28/910:55LGW - BOI

1 stop18h 59mMultiple Airlines

Sun 5/1006:30BOI - LGW

2 stops21h 25mMultiple Airlines

Deal found 14/8£672

Mon 29/909:50LGW - GEG

1 stop34h 55mMultiple Airlines

Mon 6/1020:54GEG - LGW

2 stops25h 26mMultiple Airlines

Deal found 15/8£584

Mon 29/909:50LGW - BOI

1 stop34h 49mMultiple Airlines

Mon 6/1019:10BOI - LGW

2 stops28h 10mMultiple Airlines

Deal found 15/8£618

Mon 29/915:40LGW - GEG

2 stops16h 39mIcelandair

Mon 6/1015:40GEG - LGW

2 stops39h 00mIcelandair

Deal found 15/8£660

Mon 29/915:40LGW - BOI

2 stops38h 10mIcelandair

Mon 6/1016:25BOI - LGW

2 stops15h 10mIcelandair

Deal found 15/8£705

Tue 30/913:05LGW - BOI

2 stops31h 43mMultiple Airlines

Tue 7/1020:26BOI - LGW

1 stop31h 29mMultiple Airlines

Deal found 16/8£648

Cheapflights Fare Finder

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

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Fri 12/9

10:55-22:25

1 stop19h 30m

Spokane

Fri 19/9

13:25-09:30

1 stop36h 05m

£498

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Mon 29/9

09:50-12:45

1 stop34h 55m

Spokane

Mon 6/10

20:54-06:20

2 stops25h 26m

£584

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 29/9

09:50-13:39

1 stop34h 49m

Boise Air Term. Gowen Fld

Mon 6/10

19:10-06:20

2 stops28h 10m

£618

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Wed 3/9

15:35-23:11

2 stops39h 36m

Spokane

Wed 17/9

12:39-14:40

2 stops18h 01m

£625

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Wed 3/9

10:55-22:25

1 stop19h 30m

Spokane

Wed 17/9

06:25-10:55

1 stop20h 30m

£631

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 30/9

13:05-13:48

2 stops31h 43m

Boise Air Term. Gowen Fld

Tue 7/10

20:26-10:55

1 stop31h 29m

£648

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Sat 30/8

13:00-22:40

2 stops40h 40m

Boise Air Term. Gowen Fld

Sat 13/9

16:34-14:40

2 stops15h 06m

£651

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 30/9

15:40-22:50

2 stops38h 10m

Boise Air Term. Gowen Fld

Tue 7/10

16:25-14:40

2 stops15h 15m

£653

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 6/10

15:40-23:05

2 stops38h 25m

Boise Air Term. Gowen Fld

Mon 13/10

17:38-14:40

2 stops38h 02m

£653

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 8/12

11:55-22:20

2 stops17h 25m

Boise Air Term. Gowen Fld

Tue 16/12

09:50-10:55

2 stops18h 05m

£654

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 19 results

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

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.
What is the cheapest month to book a flight from London Gatwick Airport to Idaho?
Currently, October is the cheapest month in which you can book a flight from London Gatwick Airport to Idaho (average of £754). Flying from London Gatwick Airport to Idaho in August is currently the most expensive (average of £1,152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Gatwick to Idaho

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Direct flights to United States

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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 £294

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Gatwick to Idaho

Keep the following information in mind while searching for Gatwick to Idaho flight deals. Data was last updated 16 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 16 August 2025.

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 16 August 2025.

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

Everything you need to know about your flight from London Gatwick Airport to Idaho

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.

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?

What is the cheapest month to book a flight from London Gatwick Airport 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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Gatwick to Idaho?

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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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 16 August 2025.