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Boise

$595+ Cheap flights from Heathrow (LHR) to Boise (BOI)

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
Sep 16 — Sep 231
Wed 9/16
Wed 9/23
1 adult, Economy
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Cheap 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 August 17, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:40 am -
2 stops22h 54m
Sat 10/244:00 pm -
2 stops42h 00m
Deal found 8/13$852
This Scandinavian Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:20 am -
2 stops19h 44m
Wed 11/114:14 pm -
2 stops34h 06m
Deal found 8/13$892
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:30 pm -
1 stop15h 30m
Wed 10/77:20 am -
1 stop19h 55m
Deal found 8/16$905
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:45 pm -
1 stop16h 42m
Sat 10/38:57 am -
1 stop20h 08m
Deal found 8/12$923
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:20 pm -
2 stops26h 59m
Wed 1/138:20 am -
1 stop16h 05m
Deal found 8/15$928
This Scandinavian Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:40 am -
2 stops19h 00m
Sat 10/312:17 pm -
2 stops23h 13m
Deal found 8/12$936
This Air Canada deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 pm -
2 stops34h 32m
Wed 1/136:20 am -
2 stops22h 00m
Deal found 8/15$944

Find flight deals from Heathrow to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$852
(Scandinavian Airlines)

One-way from

$595
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$1,526
Provider with most accurate pricing for London Heathrow-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Boise Air Term. Gowen Fld flights.
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From London Heathrow to Boise Air Term. Gowen Fld
Search Deals
One-way flight from London Heathrow to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 17, 2026.
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 round-trip

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 11/7

10:20 am-11:04 pm

2 stops19h 44m

Boise Air Term. Gowen Fld

Wed 11/11

4:14 pm-9:20 am

2 stops34h 06m

$892

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 9/26

6:40 am-6:40 pm

2 stops19h 00m

Boise Air Term. Gowen Fld

Sat 10/3

12:17 pm-6:30 pm

2 stops23h 13m

$936

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sun 10/11

9:00 am-11:59 pm

2 stops21h 59m

Boise Air Term. Gowen Fld

Sat 10/31

6:43 am-11:50 am

2 stops23h 07m

$953

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Wed 11/25

7:30 am-9:32 pm

2 stops21h 02m

Boise Air Term. Gowen Fld

Thu 1/14

2:43 pm-9:40 am

1 stop11h 57m

$990

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Fri 9/18

1:05 pm-3:31 pm

2 stops33h 26m

Boise Air Term. Gowen Fld

Sat 9/26

5:30 pm-12:25 pm

1 stop11h 55m

$1,010
Quickest round-trip

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 11/7

11:35 am-6:03 pm

1 stop13h 28m

Boise Air Term. Gowen Fld

Wed 11/11

12:31 pm-7:55 am

1 stop12h 24m

$1,060
Cheapest one-way

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Wed 1/6

11:35 am-9:16 pm

1 stop16h 41m

$694

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 9/5

6:40 am-10:30 pm

2 stops22h 50m

$804

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 9/5

2:10 pm-3:18 pm

2 stops32h 08m

$915

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 9/5

7:30 am-9:37 pm

2 stops21h 07m

$929

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Heathrow to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Boise in August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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

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

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Boise (average of $854). Flying from London Heathrow Airport to Boise in August is currently the most expensive (average of $1,526). 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.

How much does it cost to fly round-trip from London Heathrow Airport to Boise?

Airfare is below average for this route at the moment.

London Heathrow Airport to Boise flights typically cost between $1,345 and $1,575 in October.
The cheapest round-trip price found within the last 5 days was $852 on Scandinavian Airlines (Oct 3-Oct 24).

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?

    For a flight from London Heathrow to Boise, you will be flying into Air Term. Gowen Fld. Boise Air Term. Gowen Fld (BOI) is just 3.3 mi from the center of the city. Air Term. Gowen Fld is the only Boise airport and it handles 0 inbound flights from London Heathrow per day. 0 airlines have flights to Boise Air Term. Gowen Fld from London Heathrow on a regular basis.

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

    A quick flight from London Heathrow Airport to Boise can take about 19h 44m. Scandinavian Airlines provides one of the quickest options available for as low as $892. The distance from London Heathrow Airport to Boise is about 4829 mi.

  • 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 vacation 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Boise (average of $854). Flying from London Heathrow Airport to Boise in August is currently the most expensive (average of $1,526). 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

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