Which airlines fly to Boise?

United Airlines, Virgin Atlantic and Lufthansa are the top three most popular airlines that fly to Boise from London Heathrow Airport according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when travelling to Boise. Keep in mind that there are 4 different airlines that fly to Boise on a routine basis, so you have a few additional options to choose from.

Which stopover airport offers the lowest fares from London Heathrow Airport to Boise?

Flights via Denver (DEN) offer the lowest average return price of £771.

What is the cheapest airline that flies from London Heathrow to Boise Air Term. Gowen Fld?

United Airlines is the most popular carrier operating from London Heathrow to Boise Air Term. Gowen Fld

Which stopover airport has the shortest connection time from London Heathrow Airport to Boise?

Denver (DEN) has the shortest average stopover time for this route: 1h 19m.

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Boise?

Seattle (SEA) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest travel time from London Heathrow Airport to Boise?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 13h 33m.

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

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

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

There are 4 operators available for flights from London Heathrow Airport to Boise Air Term. Gowen Fld Airport as of September 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Boise Air Term. Gowen Fld Airport.

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

The travel and health documents you'll need for your trip to Boise Air Term. Gowen Fld Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£372 Cheap Flights from London Heathrow Airport to Boise in 2026

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Find the cheapest flights from London Heathrow Airport to Boise

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14:45 - 18:11LHR London Heathrow-BOI Boise Air Term. Gowen Fld

34h 26m1 stop Seattle/Tacoma Intl

16:00 - 12:20BOI Boise Air Term. Gowen Fld-LHR London Heathrow

13h 20m1 stop Seattle/Tacoma Intl

£672Alaska Airlines

Thu, 4 Mar - Mon, 8 Mar

19:30 - 22:34LHR London Heathrow-BOI Boise Air Term. Gowen Fld

34h 04m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

10:34 - 17:40BOI Boise Air Term. Gowen Fld-LHR London Heathrow

24h 06m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

£678Scandinavian Airlines

Mon, 21 Sep - Tue, 6 Oct

14:45 - 22:20LHR London Heathrow-BOI Boise Air Term. Gowen Fld

14h 35m1 stop Seattle/Tacoma Intl

06:00 - 12:20BOI Boise Air Term. Gowen Fld-LHR London Heathrow

23h 20m2 stops Portland Seattle/Tacoma Intl

£696Alaska Airlines

Thu, 4 Mar - Mon, 8 Mar

14:30 - 23:33LHR London Heathrow-BOI Boise Air Term. Gowen Fld

40h 03m2 stops Vancouver Intl San Francisco

06:30 - 08:30BOI Boise Air Term. Gowen Fld-LHR London Heathrow

19h 00m2 stops Denver Intl Toronto Pearson Intl

£759Air Canada

Sat, 21 Nov - Sat, 28 Nov

07:40 - 22:51LHR London Heathrow-BOI Boise Air Term. Gowen Fld

22h 11m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

12:31 - 07:55BOI Boise Air Term. Gowen Fld-LHR London Heathrow

12h 24m1 stop Chicago O'Hare Intl

£763Lufthansa

Sat, 21 Nov - Sat, 28 Nov

07:30 - 23:59LHR London Heathrow-BOI Boise Air Term. Gowen Fld

23h 29m2 stops Frankfurt am Main San Francisco

16:24 - 13:30BOI Boise Air Term. Gowen Fld-LHR London Heathrow

38h 06m2 stops San Francisco Los Angeles Los Angeles

£775United Airlines

Wed, 30 Sep - Fri, 4 Dec

07:30 - 23:59LHR London Heathrow-BOI Boise Air Term. Gowen Fld

23h 29m2 stops Frankfurt am Main San Francisco

08:00 - 07:55BOI Boise Air Term. Gowen Fld-LHR London Heathrow

16h 55m1 stop Chicago O'Hare Intl

£775United Airlines

Wed, 30 Sep - Fri, 4 Dec

09:30 - 21:45LHR London Heathrow-BOI Boise Air Term. Gowen Fld

19h 15m2 stops Frankfurt am Main Denver Intl

12:26 - 09:00BOI Boise Air Term. Gowen Fld-LHR London Heathrow

13h 34m1 stop Chicago O'Hare Intl

£959Lufthansa

Mon, 21 Sep - Tue, 6 Oct

08:55 - 21:57LHR London Heathrow-BOI Boise Air Term. Gowen Fld

19h 02m1 stop Atlanta Hartsfield-Jackson

12:08 - 10:40BOI Boise Air Term. Gowen Fld-LHR London Heathrow

16h 32m1 stop Seattle/Tacoma Intl

£2,192Virgin Atlantic

Mon, 26 Oct - Thu, 29 Oct

12:20 - 22:08LHR London Heathrow-BOI Boise Air Term. Gowen Fld

15h 48m1 stop Seattle/Tacoma Intl

15:36 - 10:40BOI Boise Air Term. Gowen Fld-LHR London Heathrow

13h 04m1 stop Seattle/Tacoma Intl

£2,210Virgin Atlantic

Mon, 26 Oct - Thu, 29 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

18:40 - 18:40LHR London Heathrow-BOI Boise Air Term. Gowen Fld

31h 00m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

12:17 - 17:40BOI Boise Air Term. Gowen Fld-LHR London Heathrow

22h 23m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

£794Scandinavian Airlines

Mon, 14 Sep - Tue, 22 Sep

14:30 - 23:00LHR London Heathrow-BOI Boise Air Term. Gowen Fld

15h 30m1 stop Los Angeles Los Angeles

18:47 - 17:35BOI Boise Air Term. Gowen Fld-LHR London Heathrow

15h 48m1 stop Los Angeles Los Angeles

£813Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

09:55 - 23:00LHR London Heathrow-BOI Boise Air Term. Gowen Fld

20h 05m1 stop Los Angeles Los Angeles

18:47 - 17:35BOI Boise Air Term. Gowen Fld-LHR London Heathrow

15h 48m1 stop Los Angeles Los Angeles

£813Multiple Airlines

Tue, 15 Sep - Thu, 24 Sep

17:00 - 23:44LHR London Heathrow-BOI Boise Air Term. Gowen Fld

13h 44m1 stop Seattle/Tacoma Intl

16:20 - 15:05BOI Boise Air Term. Gowen Fld-LHR London Heathrow

15h 45m1 stop Seattle/Tacoma Intl

£948Alaska Airlines

Thu, 17 Sep - Sun, 20 Sep

17:00 - 23:44LHR London Heathrow-BOI Boise Air Term. Gowen Fld

13h 44m1 stop Seattle/Tacoma Intl

13:31 - 15:05BOI Boise Air Term. Gowen Fld-LHR London Heathrow

18h 34m2 stops Portland Seattle/Tacoma Intl

£985Alaska Airlines

Wed, 16 Sep - Mon, 21 Sep

17:00 - 23:44LHR London Heathrow-BOI Boise Air Term. Gowen Fld

13h 44m1 stop Seattle/Tacoma Intl

14:42 - 15:05BOI Boise Air Term. Gowen Fld-LHR London Heathrow

17h 23m2 stops Spokane Seattle/Tacoma Intl

£985Alaska Airlines

Thu, 17 Sep - Sun, 20 Sep

11:25 - 17:58LHR London Heathrow-BOI Boise Air Term. Gowen Fld

13h 33m1 stop Denver Intl

06:30 - 06:45BOI Boise Air Term. Gowen Fld-LHR London Heathrow

17h 15m2 stops Denver Intl Chicago O'Hare Intl

£1,016United Airlines

Tue, 15 Sep - Mon, 21 Sep

12:00 - 23:03LHR London Heathrow-BOI Boise Air Term. Gowen Fld

18h 03m2 stops Newark Denver Intl

17:30 - 12:25BOI Boise Air Term. Gowen Fld-LHR London Heathrow

11h 55m1 stop Denver Intl

£1,016United Airlines

Tue, 15 Sep - Thu, 24 Sep

12:00 - 23:03LHR London Heathrow-BOI Boise Air Term. Gowen Fld

18h 03m2 stops Newark Denver Intl

17:40 - 12:35BOI Boise Air Term. Gowen Fld-LHR London Heathrow

11h 55m1 stop Denver Intl

£1,016United Airlines

Tue, 15 Sep - Wed, 23 Sep

09:20 - 22:00LHR London Heathrow-BOI Boise Air Term. Gowen Fld

19h 40m1 stop Atlanta Hartsfield-Jackson

11:03 - 10:00BOI Boise Air Term. Gowen Fld-LHR London Heathrow

15h 57m1 stop Salt Lake City

£1,064Virgin Atlantic

Mon, 14 Sep - Mon, 21 Sep

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United Airlines flights from London Heathrow Airport to Boise

Our best United Airlines deals on London Heathrow Airport to Boise flight tickets

United Airlines

30 Sept

LHR07:30London Heathrow

23h 29m

2 stops

BOI23:59Boise Air Term. Gowen Fld

4 Dec

BOI16:24Boise Air Term. Gowen Fld

38h 06m

2 stops

LHR13:30London Heathrow

£775

United Airlines

4 Oct

LHR12:15London Heathrow

17h 18m

2 stops

BOI22:33Boise Air Term. Gowen Fld

4 Dec

BOI06:10Boise Air Term. Gowen Fld

16h 45m

2 stops

LHR05:55London Heathrow

£829

United Airlines

16 Sept

LHR11:25London Heathrow

13h 33m

1 stop

BOI17:58Boise Air Term. Gowen Fld

23 Sept

BOI10:31Boise Air Term. Gowen Fld

14h 59m

2 stops

LHR08:30London Heathrow

£1,016

Alaska Airlines flights from London Heathrow Airport to Boise

Our best Alaska Airlines deals on London Heathrow Airport to Boise flight tickets

Alaska Airlines

4 Mar

LHR14:45London Heathrow

34h 26m

1 stop

BOI18:11Boise Air Term. Gowen Fld

8 Mar

BOI16:00Boise Air Term. Gowen Fld

13h 20m

1 stop

LHR12:20London Heathrow

£672

Alaska Airlines

4 Mar

LHR14:45London Heathrow

14h 35m

1 stop

BOI22:20Boise Air Term. Gowen Fld

8 Mar

BOI06:00Boise Air Term. Gowen Fld

23h 20m

2 stops

LHR12:20London Heathrow

£696

Alaska Airlines

30 Sept

LHR17:00London Heathrow

23h 56m

1 stop

BOI09:56Boise Air Term. Gowen Fld

4 Dec

BOI13:00Boise Air Term. Gowen Fld

16h 20m

1 stop

LHR12:20London Heathrow

£731

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Thu 4/3

14:45-18:11

1 stop34h 26m

Boise Air Term. Gowen Fld

Mon 8/3

16:00-12:20

1 stop13h 20m

£672

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Mon 21/9

19:30-22:34

2 stops34h 04m

Boise Air Term. Gowen Fld

Tue 6/10

10:34-17:40

2 stops24h 06m

£678

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Thu 4/3

14:45-22:20

1 stop14h 35m

Boise Air Term. Gowen Fld

Mon 8/3

06:00-12:20

2 stops23h 20m

£696

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 21/11

14:30-23:33

2 stops40h 03m

Boise Air Term. Gowen Fld

Sat 28/11

06:30-08:30

2 stops19h 00m

£759

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 21/11

07:40-22:51

2 stops22h 11m

Boise Air Term. Gowen Fld

Sat 28/11

12:31-07:55

1 stop12h 24m

£763

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Wed 30/9

07:30-23:59

2 stops23h 29m

Boise Air Term. Gowen Fld

Fri 4/12

16:24-13:30

2 stops38h 06m

£775

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Wed 30/9

07:30-23:59

2 stops23h 29m

Boise Air Term. Gowen Fld

Fri 4/12

08:00-07:55

1 stop16h 55m

£775

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Mon 21/9

09:30-21:45

2 stops19h 15m

Boise Air Term. Gowen Fld

Tue 6/10

12:26-09:00

1 stop13h 34m

£959

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Mon 26/10

08:55-21:57

1 stop19h 02m

Boise Air Term. Gowen Fld

Thu 29/10

12:08-10:40

1 stop16h 32m

£2,192

Fastest return journey

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Mon 26/10

12:20-22:08

1 stop15h 48m

Boise Air Term. Gowen Fld

Thu 29/10

15:36-10:40

1 stop13h 04m

£2,210

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Boise

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Stopovers

What is the typical price of a round-trip flight between London Heathrow Airport and Boise?

Prices are currently low for flights on this route.

Typical prices usually range from £738 to £775.
The lowest price recently found on this route was £672.

What is the cheapest month to fly to Boise?

The month of March is, on average, the cheapest month to fly to Boise from London Heathrow Airport, with most prices found around £631. If you aren’t able to travel during the month of March, then book flights to Boise from London Heathrow Airport during November instead. Flights to Boise in November, while not as cheap as those in March, still average around £655.

Can stopping save me money on London Heathrow Airport to Boise flights?

You could potentially save up to 45% on your flight if you consider stops on a London Heathrow Airport to Boise flight.

When to book flights from London Heathrow Airport to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Boise according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Heathrow Airport to Boise (LHR to BOI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Boise

Best price found	£372
Fastest flight time	18h 05m
Direct flights	None

The best one-way flight to Boise from London Heathrow Airport in the past 72 hours is £372. The best return flight deal from London Heathrow Airport to Boise found on momondo in the last 72 hours is £672.

The fastest flight from London Heathrow Airport to Boise takes 18h 05m

There are no direct flights from London Heathrow Airport to Boise. There are no popular flight routes from London Heathrow Airport to Boise.

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Boise

How far is London Heathrow to Boise Air Term. Gowen Fld by plane?
There are 4826.1 mi between London Heathrow and Boise Air Term. Gowen Fld. In terms of flight time, this usually takes a little over 18h 05m.
When did momondo last update prices for flights from London Heathrow Airport to Boise Air Term. Gowen Fld Airport?
Prices for flights from London Heathrow Airport to Boise Air Term. Gowen Fld Airport are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Boise Air Term. Gowen Fld Airport?
There are 4 operators available for flights from London Heathrow Airport to Boise Air Term. Gowen Fld Airport as of September 2026.
How old do you have to be to fly from London Heathrow Airport to Boise Air Term. Gowen Fld Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Boise Air Term. Gowen Fld Airport.
What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?
The travel and health documents you'll need for your trip to Boise Air Term. Gowen Fld Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London Heathrow Airport to Boise?
Based on momondo bookings for flights between London Heathrow Airport and Boise, the leading airline is United Airlines, making up 32% of the total bookings. Other popular airlines include Virgin Atlantic with 32%, Lufthansa with 20%, and Alaska Airlines with 17%.

Best airlines flying from London Heathrow Airport to Boise

Compare and see reviews for airlines that fly from London Heathrow Airport to Boise with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom £504	Free Cancellation	Rating 6.8 8,218 reviews	Search Lufthansa flights
United Airlines	PriceFrom £520	Free Cancellation	Rating 7.4 10,202 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom £668	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
Alaska Airlines	PriceFrom £729	Free Cancellation	Rating 7.9 12,909 reviews	Search Alaska Airlines flights

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Why use momondo?

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

Finding the right flight to Boise from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boise quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for London to Boise flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Boise?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boise from London.

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

If you are simply researching potential flights to Boise, momondo offers a useful price alert feature which will track prices for flights to Boise from London and alert you when they change.

An easier way to manage your Boise trip

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Cheap flights from London Heathrow Airport to Boise from £372

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Boise departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from London Heathrow Airport to Boise

Our best United Airlines deals on London Heathrow Airport to Boise flight tickets

Alaska Airlines flights from London Heathrow Airport to Boise

Our best Alaska Airlines deals on London Heathrow Airport to Boise flight tickets

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

See travel insights to Boise from

How to get the cheapest flight ticket from London Heathrow Airport to Boise

What is the typical price of a round-trip flight between London Heathrow Airport and Boise?

What is the cheapest month to fly to Boise?

Can stopping save me money on London Heathrow Airport to Boise flights?

What is the cheapest airline that flies from London Heathrow to Boise Air Term. Gowen Fld?

Which airlines fly to Boise?

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Boise?

Which stopover airport offers the lowest fares from London Heathrow Airport to Boise?

Which stopover airport has the shortest travel time from London Heathrow Airport to Boise?

Which stopover airport has the shortest connection time from London Heathrow Airport to Boise?

When to book flights from London Heathrow Airport to Boise

Cheap London Heathrow Airport to Boise (LHR to BOI) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from London Heathrow Airport to Boise

Best airlines flying from London Heathrow Airport to Boise

Compare and see reviews for airlines that fly from London Heathrow Airport to Boise with momondo

Travelling to a place near Boise?

Why use momondo?

An easier way to manage your Boise trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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