Which airlines fly to Boise?

There may be other airlines that fly to Boise from United Kingdom, but the most popular among our users are United Airlines, Virgin Atlantic, Lufthansa and KLM. These airlines should offer flights to Boise on a routine basis if you’re flying from one of the more popular airports in United Kingdom.

KLM is a popular choice for users travelling to Boise. It operates 25 flights every week to Boise, most often flying from Seattle/Tacoma Intl. KLM ticket prices will depend on when and where you need to fly from - deals as low as £526 (from Glasgow Intl) have been found by momondo users. In 1,385 reviews, momondo users have rated KLM at an average score of 7.8/10.

Finnair Flights to Boise

Finnair flies to Boise 5 times per week usually, making it a popular airline to fly with, particularly when heading to Boise from Dallas/Fort Worth. Finnair (rating: 7.6, 1,323 reviews) varies in price depending on when and where you want to fly to Boise from. The best Finnair ticket price found on momondo to Boise was from London Heathrow (£512 round-trip).

How long does it take to fly to Boise?

The flight from United Kingdom to Boise depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from London Heathrow (a popular airport in United Kingdom) to Boise Air Term. Gowen Fld (the most popular airport in Boise), then the flight time is 15h 41m on average. If you fly from Manchester (another popular airport in United Kingdom) to Boise Air Term. Gowen Fld, then the average flight time is .

£333 Cheap Flights to Boise in 2025

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Find the cheapest flights from the United Kingdom to Boise

Round-trip

One-way

Cheap return flights

10:55 - 22:56LGW-BOI

19h 01m1 stop

20:26 - 10:55BOI-LGW

31h 29m1 stop

£493

Find Deal

Wed, 15 Oct - Tue, 21 Oct

10:55 - 23:57LGW-BOI

20h 02m2 stops

20:26 - 10:55BOI-LGW

31h 29m1 stop

£519

Find Deal

Wed, 15 Oct - Tue, 21 Oct

09:55 - 20:16LHR-BOI

17h 21m2 stops

14:00 - 11:20BOI-LHR

14h 20m1 stop

£535Virgin Atlantic

Find Deal

Wed, 8 Oct - Wed, 15 Oct

06:35 - 22:45LHR-BOI

23h 10m2 stops

06:20 - 07:25BOI-LHR

18h 05m1 stop

£540United Airlines

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Fri, 21 Nov - Sun, 30 Nov

06:35 - 18:09LHR-BOI

18h 34m2 stops

10:39 - 10:50BOI-LHR

17h 11m2 stops

£541Lufthansa

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Tue, 4 Nov - Thu, 13 Nov

20:15 - 17:55LHR-BOI

28h 40m2 stops

08:40 - 05:55BOI-LHR

14h 15m1 stop

£542Lufthansa

Find Deal

Wed, 11 Feb - Sun, 22 Feb

07:30 - 18:07LHR-BOI

17h 37m2 stops

05:00 - 05:55BOI-LHR

17h 55m2 stops

£543United Airlines

Find Deal

Wed, 11 Feb - Sun, 22 Feb

12:45 - 23:54LHR-BOI

18h 09m1 stop

13:00 - 09:50BOI-LHR

13h 50m1 stop

£549Virgin Atlantic

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Wed, 8 Oct - Wed, 15 Oct

21:25 - 23:05LHR-BOI

56h 40m2 stops

16:25 - 11:55BOI-LHR

36h 30m2 stops

£651Icelandair

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Thu, 16 Oct - Thu, 23 Oct

15:40 - 23:05LGW-BOI

38h 25m2 stops

13:35 - 14:40BOI-LGW

18h 05m2 stops

£653Icelandair

Find Deal

Wed, 15 Oct - Tue, 21 Oct

Fly from

Route

Depart

Return

Price

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 15/10

10:55-22:56

1 stop19h 01m

Boise Air Term. Gowen Fld

Tue 21/10

20:26-10:55

1 stop31h 29m

£493

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 15/10

10:55-23:57

2 stops20h 02m

Boise Air Term. Gowen Fld

Tue 21/10

20:26-10:55

1 stop31h 29m

£519

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 8/10

09:55-20:16

2 stops17h 21m

Boise Air Term. Gowen Fld

Wed 15/10

14:00-11:20

1 stop14h 20m

£535

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 21/11

06:35-22:45

2 stops23h 10m

Boise Air Term. Gowen Fld

Sun 30/11

06:20-07:25

1 stop18h 05m

£540

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 4/11

06:35-18:09

2 stops18h 34m

Boise Air Term. Gowen Fld

Thu 13/11

10:39-10:50

2 stops17h 11m

£541

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/2

20:15-17:55

2 stops28h 40m

Boise Air Term. Gowen Fld

Sun 22/2

08:40-05:55

1 stop14h 15m

£542

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/2

07:30-18:07

2 stops17h 37m

Boise Air Term. Gowen Fld

Sun 22/2

05:00-05:55

2 stops17h 55m

£543

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 8/10

12:45-23:54

1 stop18h 09m

Boise Air Term. Gowen Fld

Wed 15/10

13:00-09:50

1 stop13h 50m

£549

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 16/10

21:25-23:05

2 stops56h 40m

Boise Air Term. Gowen Fld

Thu 23/10

16:25-11:55

2 stops36h 30m

£651

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 15/10

15:40-23:05

2 stops38h 25m

Boise Air Term. Gowen Fld

Tue 21/10

13:35-14:40

2 stops18h 05m

£653

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Showing 1-10 of 20 resultsSorted by cheapest first

Boise flights insights and trends

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Prices

Other information

What is the cheapest month to fly to Boise?

The month of February is, on average, the cheapest month to fly to Boise from United Kingdom, with most prices found around £594. If you aren’t able to travel during the month of February, then book flights to Boise from United Kingdom during March instead. Flights to Boise in March, while not as cheap as those in February, still average around £596.

What is the cheapest day to depart on your flight to Boise?

The cheapest day to depart from United Kingdom to Boise is on a Tuesday. Travellers who choose to depart for Boise on a Tuesday will often find tickets for as low as £626. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Boise on Monday is £769.

What is the cheapest time of day to depart on your flight to Boise?

The cheapest time of day to fly to Boise is at midday when flights can be purchased for as low as £654. Flights to Boise are more costly in the evening, with an average ticket price of £852. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Boise?

You are more likely to see cheaper flights to Boise from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Boise for around £688 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from United Kingdom for as low as £566 on momondo.

Cheapest flights to Boise Air Term. Gowen Fld

Find the cheapest flights to Boise Air Term. Gowen Fld from your nearest city or airport

Find flights from London Heathrow Airport to Boise

CHEAPEST MONTH TO FLY TO BOISE FROM LONDON HEATHROW AIRPORT	January	19% cheaper	Flying from London Heathrow Airport to Boise costs on average just £558 in January
MOST EXPENSIVE MONTH TO FLY TO BOISE FROM LONDON HEATHROW AIRPORT	August	34% more expensive	It costs about £924 for flights to Boise from London Heathrow Airport in August
MOST POPULAR MONTH TO FLY TO BOISE FROM LONDON HEATHROW AIRPORT	October	446% more users visited	More momondo users searched in flights to Boise from London Heathrow Airport in October than any other month

Cheap Boise flight deals and tips

Summary info about Boise flight prices, duration and airlines

Best One-Way Price	£333
Best Round-Trip Price	£493
Fastest flight time	13h 23m
Popular in	July

The best one-way flight price to Boise from United Kingdom in the last 72 hours is £333 (London Gatwick to Boise Air Term. Gowen Fld).

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The best round-trip flight price to Boise from United Kingdom in the last 72 hours is £493 (London Gatwick to Boise Air Term. Gowen Fld).

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The fastest flight to Boise from United Kingdom takes 13h 23m (London Heathrow to Boise Air Term. Gowen Fld).

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July has the highest demand for flights to Boise, with a 19% price increase on average.

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Frequently asked questions about flying to Boise

How far in advance should I book a flight to Boise?

In general, most travellers find the cheapest time to book a flight to Boise is about 20 days prior to their departure date, when tickets on average are £696. In the past 72 hours, momondo users found flights from United Kingdom to Boise for as low as £493.

Is there an alternative airport near Boise?

Hailey Sun Valley-Friedman Airport can be an alternative airport used for travel to Boise.

When did momondo last update prices for flights to Boise Air Term. Gowen Fld Airport?

Prices for flights to Boise Air Term. Gowen Fld Airport are updated daily.

How many operators does momondo search for flights to Boise Air Term. Gowen Fld Airport?

The number of operators available for flights to Boise Air Term. Gowen Fld Airport is 10 as of September 2025.

How old do you have to be to fly to Boise Air Term. Gowen Fld Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Boise Air Term. Gowen Fld Airport.

What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

The required travel and health documents for your Boise Air Term. Gowen Fld Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why should I use momondo to find a flight deal to Boise?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boise.

Can I find flights to Boise with flexible booking policies on momondo?

All flight searches to Boise on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Boise?

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I’m not ready to book a flight to Boise right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Boise. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.