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 8 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 £691 (from Glasgow Intl) have been found by momondo users. In 1,406 reviews, momondo users have rated KLM at an average score of 7.7/10.

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, 1,333 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 (£522 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 31h 21m 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 .

£542 Cheap Flights to Boise in 2025/26

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Find the cheapest flights from the United Kingdom to Boise

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Cheap return flights

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07:40 - 09:59LHR-BOI

33h 19m2 stops

14:49 - 09:40BOI-LHR

11h 51m1 stop

£553United Airlines

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Mon, 8 Dec - Mon, 15 Dec

07:40 - 09:59LHR-BOI

33h 19m2 stops

09:40 - 07:55BOI-LHR

15h 15m2 stops

£554United Airlines

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Mon, 8 Dec - Mon, 15 Dec

06:35 - 21:25LHR-BOI

21h 50m2 stops

19:11 - 07:25BOI-LHR

29h 14m1 stop

£559Lufthansa

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Tue, 9 Dec - Sun, 14 Dec

11:35 - 19:43LHR-BOI

15h 08m1 stop

10:40 - 09:40BOI-LHR

16h 00m1 stop

£563Lufthansa

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Tue, 9 Dec - Mon, 15 Dec

15:40 - 22:21LGW-BOI

37h 41m2 stops

17:30 - 14:40BOI-LGW

38h 10m2 stops

£623Icelandair

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Mon, 20 Apr - Mon, 27 Apr

12:15 - 22:20LHR-BOI

17h 05m2 stops

11:43 - 10:50BOI-LHR

16h 07m2 stops

£634Icelandair

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Wed, 12 Nov - Thu, 20 Nov

14:25 - 23:39LHR-BOI

16h 14m1 stop

06:44 - 08:35BOI-LHR

18h 51m1 stop

£705Finnair

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Mon, 8 Dec - Tue, 16 Dec

14:45 - 22:16LHR-BOI

14h 31m1 stop

15:54 - 16:50BOI-LHR

17h 56m1 stop

£711Virgin Atlantic

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Mon, 8 Dec - Tue, 16 Dec

16:30 - 12:35LHR-BOI

27h 05m1 stop

07:00 - 08:35BOI-LHR

18h 35m1 stop

£718Finnair

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Wed, 12 Nov - Thu, 20 Nov

08:40 - 00:09LCY-BOI

22h 29m2 stops

05:35 - 17:20BOI-LCY

28h 45m2 stops

£731Virgin Atlantic

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Mon, 8 Dec - Mon, 15 Dec

Fly from

Route

Depart

Return

Price

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 8/12

07:40-09:59

2 stops33h 19m

Boise Air Term. Gowen Fld

Mon 15/12

14:49-09:40

1 stop11h 51m

£553

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 8/12

07:40-09:59

2 stops33h 19m

Boise Air Term. Gowen Fld

Mon 15/12

09:40-07:55

2 stops15h 15m

£554

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 9/12

06:35-21:25

2 stops21h 50m

Boise Air Term. Gowen Fld

Sun 14/12

19:11-07:25

1 stop29h 14m

£559

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 9/12

11:35-19:43

1 stop15h 08m

Boise Air Term. Gowen Fld

Mon 15/12

10:40-09:40

1 stop16h 00m

£563

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 20/4

15:40-22:21

2 stops37h 41m

Boise Air Term. Gowen Fld

Mon 27/4

17:30-14:40

2 stops38h 10m

£623

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 12/11

12:15-22:20

2 stops17h 05m

Boise Air Term. Gowen Fld

Thu 20/11

11:43-10:50

2 stops16h 07m

£634

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 8/12

14:25-23:39

1 stop16h 14m

Boise Air Term. Gowen Fld

Tue 16/12

06:44-08:35

1 stop18h 51m

£705

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 8/12

14:45-22:16

1 stop14h 31m

Boise Air Term. Gowen Fld

Tue 16/12

15:54-16:50

1 stop17h 56m

£711

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 12/11

16:30-12:35

1 stop27h 05m

Boise Air Term. Gowen Fld

Thu 20/11

07:00-08:35

1 stop18h 35m

£718

LondonBoise

LCY - BOI

LCYBOI

London City

Mon 8/12

08:40-00:09

2 stops22h 29m

Boise Air Term. Gowen Fld

Mon 15/12

05:35-17:20

2 stops28h 45m

£731

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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 September is, on average, the cheapest month to fly to Boise from United Kingdom, with most prices found around £595. If you aren’t able to travel during the month of September, then book flights to Boise from United Kingdom during February instead. Flights to Boise in February, while not as cheap as those in September, still average around £603.

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 £637. 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 £782.

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 £665. Flights to Boise are more costly in the evening, with an average ticket price of £867. 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 £703 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 £579 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	20% cheaper	Flying from London Heathrow Airport to Boise costs on average just £568 in January
MOST EXPENSIVE MONTH TO FLY TO BOISE FROM LONDON HEATHROW AIRPORT	August	22% more expensive	It costs about £857 for flights to Boise from London Heathrow Airport in August
MOST POPULAR MONTH TO FLY TO BOISE FROM LONDON HEATHROW AIRPORT	May	785% more users visited	More momondo users searched in flights to Boise from London Heathrow Airport in May than any other month

Cheap Boise flight deals and tips

Summary info about Boise flight prices, duration and airlines

Best One-Way Price	£542
Best Round-Trip Price	£553
Fastest flight time	13h 50m
Popular in	July

The best one-way flight price to Boise from United Kingdom in the last 72 hours is £542 (London Heathrow 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 £553 (London Heathrow to Boise Air Term. Gowen Fld).

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The fastest flight to Boise from United Kingdom takes 13h 50m (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 16 days prior to their departure date, when tickets on average are £708. In the past 72 hours, momondo users found flights from United Kingdom to Boise for as low as £527.

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 October 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.