What’s the cheapest stopover airport for flights from London Heathrow Airport to Boise?

Salt Lake City (SLC) is the most affordable one-stop option, with an average return flight price of £589.

What’s the top stopover airport for flights from London Heathrow Airport to Boise?

Denver (DEN) – chosen by Cheapflights users on 53% of one-stop itineraries from London Heathrow Airport to Boise on Cheapflights.

What’s the fastest stopover option from London Heathrow Airport to Boise?

Flights via Salt Lake City (SLC) have the shortest average one-way travel time for one-stop routes: 12h 57m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Boise?

Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 26m.

How long is the flight from London Heathrow Airport to Boise?

Airlines like United Airlines and Lufthansa fly from London Heathrow Airport to Boise in about 19h 51m. The time it takes to get you to your destination can typically vary by up to 14h 32m. London Heathrow Airport and Boise are separated by a distance of 4829 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines flying from London Heathrow Airport to Boise round-trip?

Cheapflights users have booked flights from London Heathrow Airport to Boise round-trip from £511. Other airlines that can offer you cheap pricing are KLM, from £524, and United Airlines, from £533. These flights start at 24% lower than the current average price 3 months from now.

What is the cheapest day to fly from London Heathrow Airport to Boise?

Travellers seeking maximum savings on their London Heathrow Airport to Boise flight should consider departing on Tuesday at midday when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 are the most popular airlines that fly from London Heathrow Airport to Boise?

Before booking your flight from London Heathrow Airport to Boise check out the most popular airlines for this route: Finnair, KLM or Lufthansa.

What is the cheapest day to fly round-trip from London Heathrow Airport to Boise?

Flights from London Heathrow Airport to Boise are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boise.

How far in advance should I book a flight from London Heathrow Airport to Boise?

Find a great deal and save up to 25% by booking at least 21 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to Boise within the next two weeks, with the cheapest ticket starting at £618.

What is the cheapest month to fly from London Heathrow Airport to Boise?

Our data shows that February tends to be the cheapest month to fly to Boise from London Heathrow Airport. Users have commonly found prices around £701 for the month, but tickets can be as low as £536. Due to multiple factors, prepare for potentially higher prices in July.

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

Located just 3.3 mi from the city center, Boise Air Term. Gowen Fld is the airport most travelers will use when flying to Boise from London Heathrow. Booking flights from London Heathrow to Air Term. Gowen Fld (BOI) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 5 different airlines.

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

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

How can I find direct flights from Heathrow to Boise?

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

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

Yes. Cheapflights offers flight deals from Heathrow 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.

£481+ Cheap Flights from London Heathrow Airport to Boise

Cheapflights Tip: The best prices from London Heathrow to Boise Air Term. Gowen Fld are usually found in January or November, booked 39 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Boise

Round-trip from	£489
One-way from	£481
Popular in	August
Cheapest in	January
Average price	£609

31/10-10/11
2 total stops
35h 27m total
London to Boise

Search Deals

30/9
3 total stops
48h 31m total
London to Boise

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£56 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Heathrow to Boise

Cheapest flights from Heathrow to Boise
Explore the most affordable flight options available from Heathrow to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Fri 31/1011:40LHR - BOI

1 stop16h 28mMultiple Airlines

Mon 10/1108:41BOI - LHR

1 stop18h 59mMultiple Airlines

Deal found 15/9£489

Tue 7/1011:15LHR - BOI

2 stops18h 50mMultiple Airlines

Tue 14/1015:37BOI - LHR

1 stop17h 03mMultiple Airlines

Deal found 15/9£495

Wed 8/1008:25LHR - BOI

2 stops20h 57mAmerican Airlines

Mon 13/1007:00BOI - LHR

1 stop24h 25mAmerican Airlines

Deal found 15/9£535

Fri 21/1106:35LHR - BOI

2 stops34h 23mUnited Airlines

Sun 30/1114:40BOI - LHR

1 stop33h 45mUnited Airlines

Deal found 15/9£539

Thu 30/1007:30LHR - BOI

2 stops19h 51mLufthansa

Thu 6/1114:31BOI - LHR

1 stop12h 09mLufthansa

Deal found 15/9£542

Thu 30/1007:30LHR - BOI

2 stops19h 51mLufthansa

Sun 9/1114:31BOI - LHR

1 stop12h 09mLufthansa

Deal found 15/9£542

Thu 30/1013:35LHR - BOI

1 stop15h 10mUnited Airlines

Thu 6/1110:40BOI - LHR

1 stop13h 45mUnited Airlines

Deal found 15/9£544

Fri 26/916:00LHR - BOI

2 stops26h 39mMultiple Airlines

Mon 6/1014:39BOI - LHR

1 stop12h 01mMultiple Airlines

Deal found 15/9£556

Sat 27/911:25LHR - BOI

1 stop18h 05mMultiple Airlines

Sat 11/1008:20BOI - LHR

1 stop15h 00mMultiple Airlines

Deal found 14/9£557

Best flights from Heathrow to Boise
Discover carefully curated flight deals from Heathrow to Boise that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Fri 21/1106:35LHR - BOI

2 stops34h 23mUnited Airlines

Sun 30/1114:40BOI - LHR

1 stop33h 45mUnited Airlines

Deal found 15/9£539

Wed 12/1108:30LHR - BOI

2 stops19h 51mLufthansa

Wed 3/1214:49BOI - LHR

1 stop11h 51mLufthansa

Deal found 14/9£542

Mon 6/1009:55LHR - BOI

1 stop19h 57mVirgin Atlantic

Mon 13/1013:00BOI - LHR

1 stop13h 50mVirgin Atlantic

Deal found 15/9£561

Wed 12/1110:05LHR - BOI

1 stop19h 27mFinnair

Wed 3/1206:44BOI - LHR

1 stop20h 16mFinnair

Deal found 14/9£563

Fri 6/306:35LHR - BOI

2 stops23h 30mUnited Airlines

Tue 10/306:48BOI - LHR

1 stop18h 37mUnited Airlines

Deal found 14/9£539

Thu 30/1007:30LHR - BOI

2 stops19h 51mLufthansa

Mon 10/1110:39BOI - LHR

2 stops17h 11mLufthansa

Deal found 15/9£542

Mon 8/1207:40LHR - BOI

2 stops33h 19mUnited Airlines

Mon 15/1210:35BOI - LHR

1 stop18h 25mUnited Airlines

Deal found 14/9£539

Thu 30/1007:30LHR - BOI

2 stops19h 51mLufthansa

Sun 9/1112:35BOI - LHR

2 stops17h 15mLufthansa

Deal found 15/9£549

Thu 30/1008:30LHR - BOI

2 stops20h 15mUnited Airlines

Thu 6/1106:20BOI - LHR

2 stops17h 50mUnited Airlines

Deal found 15/9£542

Last-minute flights from Heathrow to Boise
Discover last-minute flight deals from Heathrow to Boise. Data last updated 16 September 2025 and is based on user searches.

Wed 24/908:20LHR - BOI

1 stop35h 27mAmerican Airlines

Mon 13/1013:35BOI - LHR

2 stops17h 40mAmerican Airlines

Deal found 14/9£561

Fri 26/916:00LHR - BOI

2 stops26h 39mMultiple Airlines

Mon 6/1014:39BOI - LHR

1 stop12h 01mMultiple Airlines

Deal found 15/9£556

Sat 27/911:25LHR - BOI

1 stop18h 05mMultiple Airlines

Sat 11/1008:20BOI - LHR

1 stop15h 00mMultiple Airlines

Deal found 14/9£557

Sat 27/911:25LHR - BOI

1 stop13h 23mMultiple Airlines

Tue 7/1012:35BOI - LHR

1 stop12h 45mMultiple Airlines

Deal found 15/9£558

Tue 7/1011:15LHR - BOI

2 stops18h 50mMultiple Airlines

Tue 14/1015:37BOI - LHR

1 stop17h 03mMultiple Airlines

Deal found 15/9£495

Wed 8/1008:25LHR - BOI

2 stops20h 57mAmerican Airlines

Mon 13/1007:00BOI - LHR

1 stop24h 25mAmerican Airlines

Deal found 15/9£535

Thu 30/1007:30LHR - BOI

2 stops19h 51mLufthansa

Thu 6/1114:31BOI - LHR

1 stop12h 09mLufthansa

Deal found 15/9£542

Thu 30/1007:30LHR - BOI

2 stops19h 51mLufthansa

Sun 9/1114:31BOI - LHR

1 stop12h 09mLufthansa

Deal found 15/9£542

Thu 30/1013:35LHR - BOI

1 stop15h 10mUnited Airlines

Thu 6/1110:40BOI - LHR

1 stop13h 45mUnited Airlines

Deal found 15/9£544

Fri 31/1011:40LHR - BOI

1 stop16h 28mMultiple Airlines

Mon 10/1108:41BOI - LHR

1 stop18h 59mMultiple Airlines

Deal found 15/9£489

Cheapflights 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

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 21/11

06:35-09:58

2 stops34h 23m

Boise Air Term. Gowen Fld

Sun 30/11

14:40-07:25

1 stop33h 45m

£539

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 6/3

06:35-23:05

2 stops23h 30m

Boise Air Term. Gowen Fld

Tue 10/3

06:48-07:25

1 stop18h 37m

£539

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 8/12

07:40-09:59

2 stops33h 19m

Boise Air Term. Gowen Fld

Mon 15/12

10:35-12:00

1 stop18h 25m

£539

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 12/11

08:30-21:21

2 stops19h 51m

Boise Air Term. Gowen Fld

Wed 3/12

14:49-09:40

1 stop11h 51m

£542

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 30/10

08:30-22:45

2 stops20h 15m

Boise Air Term. Gowen Fld

Thu 6/11

06:20-07:10

2 stops17h 50m

£542

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 30/10

07:30-21:21

2 stops19h 51m

Boise Air Term. Gowen Fld

Mon 10/11

10:39-10:50

2 stops17h 11m

£542

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 30/10

07:30-21:21

2 stops19h 51m

Boise Air Term. Gowen Fld

Sun 9/11

12:35-12:50

2 stops17h 15m

£549

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 6/10

09:55-22:52

1 stop19h 57m

Boise Air Term. Gowen Fld

Mon 13/10

13:00-09:50

1 stop13h 50m

£561

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 12/11

10:05-22:32

1 stop19h 27m

Boise Air Term. Gowen Fld

Wed 3/12

06:44-10:00

1 stop20h 16m

£563

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 30/9

19:50-13:21

3 stops48h 31m

£481

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Best time to book a flight from Heathrow to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Heathrow 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 Heathrow Airport to Boise

Prices

How far ahead should I book a flight from London Heathrow Airport to Boise?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Boise, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Boise?

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Boise (average of £754). Flying from London Heathrow Airport to Boise 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.

What is the cheapest time of day to fly from LHR to BOI?

It’s typically best to fly out from London Heathrow Airport to Boise at midday. Doing so could potentially save you 23% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Boise

Get a feel of what it's like to fly with KLM, Finnair, andUnited Airlines from London Heathrow Airport to Boise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,385 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Finnair

7.6

Good

1,323 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

United Airlines

7.4

Good

8,929 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Virgin Atlantic

7.4

Good

664 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Lufthansa

6.8

Okay

7,407 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

What airport do you fly into for flights to Boise from London Heathrow?
Located just 3.3 mi from the city center, Boise Air Term. Gowen Fld is the airport most travelers will use when flying to Boise from London Heathrow. Booking flights from London Heathrow to Air Term. Gowen Fld (BOI) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 5 different airlines.
How long is the flight from London Heathrow Airport to Boise?
Airlines like United Airlines and Lufthansa fly from London Heathrow Airport to Boise in about 19h 51m. The time it takes to get you to your destination can typically vary by up to 14h 32m. London Heathrow Airport and Boise are separated by a distance of 4829 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London Heathrow Airport to Boise round-trip?
Cheapflights users have booked flights from London Heathrow Airport to Boise round-trip from £511. Other airlines that can offer you cheap pricing are KLM, from £524, and United Airlines, from £533. These flights start at 24% lower than the current average price 3 months from now.
Can I find deals for flights from Heathrow to Boise that include hotel bookings?
Yes. In addition to deals on Heathrow to Boise flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Boise.
Can I find deals for business class flights from Heathrow to Boise?
Yes. Cheapflights offers flight deals from Heathrow 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.
What is the cheapest month to book a flight from London Heathrow Airport to Boise?
Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Boise (average of £754). Flying from London Heathrow Airport to Boise 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 Heathrow to Boise

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Direct flights to United States

Top 5 airlines flying from Heathrow to Boise

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£511	Average£630	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£524	Average£622	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£533	Average£661	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£535	Average£615	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£592	Average£743	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Boise?

When you search for this flight from Heathrow to Boise, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Boise?

Cheapflights helps you find that perfect flight to Boise from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Boise from Heathrow? 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 Heathrow to Boise become cheaper?

Of course! You can now track prices for flights from Heathrow to Boise and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from London Heathrow Airport to Boise from £481

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Boise Air Term. Gowen Fld are usually found in January or November, booked 39 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Boise

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to Boise

Cheapest flights from Heathrow to BoiseExplore the most affordable flight options available from Heathrow to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Explore the most affordable flight options available from Heathrow to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Boise

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

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Boise

How far ahead should I book a flight from London Heathrow Airport to Boise?

What is the cheapest month to book a flight from London Heathrow Airport to Boise?

What is the cheapest time of day to fly from LHR to BOI?

What’s the top stopover airport for flights from London Heathrow Airport to Boise?

What’s the fastest stopover option from London Heathrow Airport to Boise?

What’s the fastest stopover option from London Heathrow Airport to Boise?

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Boise?

Reviews of airlines servicing Boise

Get a feel of what it's like to fly with KLM, Finnair, andUnited Airlines from London Heathrow Airport to Boise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How long is the flight from London Heathrow Airport to Boise?

What are the cheapest airlines flying from London Heathrow Airport to Boise round-trip?

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

How can I find direct flights from Heathrow to Boise?

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

What is the cheapest month to book a flight from London Heathrow Airport to Boise?

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 Heathrow to Boise

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Heathrow to Boise

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 Heathrow to Boise?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Boise?

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

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

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Cheapest flights from Heathrow to Boise
Explore the most affordable flight options available from Heathrow to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.