In terms of precipitation, rainfall in Boise 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 Boise when rainfall is around 5.0 mm.

If weather is an important factor for your trip to Boise, 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 is the cheapest time of day to fly from LGW to BOI?

When flying from London Gatwick Airport to Boise, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Boise from London Gatwick?

Most people fly into Boise Air Term. Gowen Fld (BOI) if they book a flight to Boise from London Gatwick. On average, Air Term. Gowen Fld has 0 inbound flights from London Gatwick per day from 0 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

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

Yes. In addition to deals on Gatwick to Boise flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Gatwick to Boise?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Boise.

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

Yes. Cheapflights offers flight deals from Gatwick to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£452+ Cheap Flights from London Gatwick Airport to Boise

Cheap flight deals from Gatwick to Boise

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Gatwick to Boise
Explore the most affordable flight options available from Gatwick to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 September 2026.

Thu 12/1110:25 -

2 stops18h 55m

Thu 18/209:53 -

2 stops22h 07m

Deal found 22/9£678

Thu 5/1110:25 -

2 stops18h 55m

Thu 12/1113:53 -

2 stops18h 07m

Deal found 21/9£730

Mon 2/1110:25 -

2 stops18h 55m

Mon 16/1113:53 -

2 stops18h 07m

Deal found 21/9£748

Thu 22/1010:20 -

2 stops20h 39m

Mon 23/1114:00 -

2 stops22h 25m

Deal found 22/9£764

Wed 21/1010:20 -

2 stops20h 39m

Mon 23/1114:00 -

2 stops22h 25m

Deal found 22/9£782

Mon 9/1110:25 -

2 stops18h 55m

Mon 8/215:01 -

2 stops21h 24m

Deal found 24/9£794

Tue 20/1010:20 -

2 stops18h 46m

Mon 23/1113:02 -

2 stops18h 58m

Deal found 23/9£798

Thu 22/1010:20 -

2 stops20h 39m

Thu 26/1113:02 -

2 stops23h 23m

Deal found 23/9£832

Sun 8/1111:55 -

2 stops18h 51m

Sun 15/1111:15 -

2 stops16h 40m

Deal found 24/9£834

Mon 16/1119:40 -

2 stops25h 11m

Tue 1/1206:44 -

2 stops21h 06m

Deal found 22/9£839

Tue 20/1010:20 -

2 stops20h 39m

Tue 27/1014:06 -

2 stops23h 19m

Deal found 22/9£851

Find flight deals from Gatwick to Boise

Round-trip from	£678
One-way from	£452
Popular in	December
Cheapest in	January
Average price	£771

12/11-18/2
4 total stops
41h 02m total
London to Boise

Search Deals

16/12-31/12
3 total stops
37h 46m total
London to Boise

Search Deals

High demand for flights, 2% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Wed 16/12

11:15-18:01

3 stops37h 46m

Boise Air Term. Gowen Fld

Wed 31/12

00:00-08:00

Nonstop0h 00m

£452

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Thu 17/12

08:30-18:01

3 stops40h 31m

Boise Air Term. Gowen Fld

Wed 31/12

00:00-08:00

Nonstop0h 00m

£532

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Thu 22/10

09:30-22:57

3 stops44h 27m

Boise Air Term. Gowen Fld

Wed 31/12

00:00-08:00

Nonstop0h 00m

£548

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Mon 19/10

20:40-23:59

3 stops34h 19m

Boise Air Term. Gowen Fld

Wed 31/12

00:00-08:00

Nonstop0h 00m

£550

Fastest return journey

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Wed 21/10

15:40-13:50

3 stops29h 10m

Boise Air Term. Gowen Fld

Wed 31/12

00:00-08:00

Nonstop0h 00m

£627

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Thu 5/11

10:25-22:20

2 stops18h 55m

Boise Air Term. Gowen Fld

Thu 12/11

13:53-15:00

2 stops18h 07m

£730

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Mon 2/11

10:25-22:20

2 stops18h 55m

Boise Air Term. Gowen Fld

Mon 16/11

13:53-15:00

2 stops18h 07m

£748

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Thu 22/10

10:20-23:59

2 stops20h 39m

Boise Air Term. Gowen Fld

Mon 23/11

14:00-19:25

2 stops22h 25m

£764

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Tue 20/10

10:20-22:06

2 stops18h 46m

Boise Air Term. Gowen Fld

Mon 23/11

13:02-15:00

2 stops18h 58m

£798

LondonBoise

LGW London Gatwick - BOI Boise Air Term. Gowen Fld

LGWBOI

London Gatwick

Thu 22/10

10:20-23:59

2 stops20h 39m

Boise Air Term. Gowen Fld

Thu 26/11

13:02-19:25

2 stops23h 23m

£832

Flights are sorted by cheapest return flights first.

Deals found on 23/9

Showing 1-10 of 16 resultsSorted by cheapest first

Best time to book a flight from Gatwick to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Gatwick with our price prediction graph.

LGW-BOI

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.

Related info for your journey

What airport do you fly into for flights to Boise from London Gatwick?
Most people fly into Boise Air Term. Gowen Fld (BOI) if they book a flight to Boise from London Gatwick. On average, Air Term. Gowen Fld has 0 inbound flights from London Gatwick per day from 0 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.
Can I find deals for flights from Gatwick to Boise that include hotel bookings?
Yes. In addition to deals on Gatwick to Boise flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Gatwick to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Boise.
Can I find deals for business class flights from Gatwick to Boise?
Yes. Cheapflights offers flight deals from Gatwick to Boise 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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Why should you use Cheapflights to find cheap flight tickets from Gatwick to Boise?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Boise from Gatwick.

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

Certainly. Search results for flights to Boise from Gatwick shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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Cheap flights from London Gatwick Airport to Boise from £452

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Gatwick to Boise

Cheapest flights from Gatwick to BoiseExplore the most affordable flight options available from Gatwick to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 September 2026.

Explore the most affordable flight options available from Gatwick to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 September 2026.

Best flights from Gatwick to BoiseDiscover carefully curated flight deals from Gatwick to Boise that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 September 2026.

Discover carefully curated flight deals from Gatwick to Boise that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 September 2026.

Last-minute flights from Gatwick to BoiseDiscover last-minute flight deals from Gatwick to Boise. Data last updated 25 September 2026 and is based on user searches.

Discover last-minute flight deals from Gatwick to Boise. Data last updated 25 September 2026 and is based on user searches.

One-way flights from Gatwick to BoiseSearch for one-way flight options from Gatwick to Boise. Find affordable one-way fares based on user searches. Data last updated 25 September 2026.

Search for one-way flight options from Gatwick to Boise. Find affordable one-way fares based on user searches. Data last updated 25 September 2026.

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Best time to book a flight from Gatwick to Boise

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Related info for your journey

What airport do you fly into for flights to Boise from London Gatwick?

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

How can I find direct flights from Gatwick to Boise?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gatwick to Boise

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Complete your trip

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

Direct flights to United States

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Gatwick and Boise flights

Browse other Gatwick and Boise flight options. Last updated on 25 September 2026.

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

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Cheapest flights from Gatwick to Boise
Explore the most affordable flight options available from Gatwick to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 September 2026.

Best flights from Gatwick to Boise
Discover carefully curated flight deals from Gatwick to Boise that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 September 2026.

Last-minute flights from Gatwick to Boise
Discover last-minute flight deals from Gatwick to Boise. Data last updated 25 September 2026 and is based on user searches.

One-way flights from Gatwick to Boise
Search for one-way flight options from Gatwick to Boise. Find affordable one-way fares based on user searches. Data last updated 25 September 2026.