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Boise

$643+ Cheap flights from Heathrow (LHR) to Boise (BOI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Boise Air Term. Gowen Fld are usually found in January or November, booked 24 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap 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 October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$643
(Trip.com)

Popular in

August

Cheapest in

January

Average price

$993
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
Highest demand for flights based on searches. 9% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 2, 2025.

This Trip.com deal was found by Cheapflights users on 10/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:15 pmLHR - BOI
2 stops17h 05mMultiple Airlines
Sun 11/236:09 amBOI - LHR
2 stops21h 41mMultiple Airlines
Deal found 10/2$643
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Mon 12/87:40 amLHR - BOI
2 stops33h 19mUnited Airlines
Mon 12/1510:35 amBOI - LHR
1 stop18h 25mUnited Airlines
Deal found 9/30$728
This Travcart deal was found by Cheapflights users on 9/30. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/91:25 pmLHR - BOI
1 stop17h 43mVirgin Atlantic
Mon 10/134:46 pmBOI - LHR
1 stop14h 29mVirgin Atlantic
Deal found 9/30$742
This Netflights deal was found by Cheapflights users on 9/30. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:20 pmLHR - BOI
1 stop15h 00mVirgin Atlantic
Mon 12/1512:55 pmBOI - LHR
1 stop14h 05mVirgin Atlantic
Deal found 9/30$757
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 11/2111:35 amLHR - BOI
1 stop16h 46mUnited Airlines
Sun 11/306:20 amBOI - LHR
1 stop18h 05mUnited Airlines
Deal found 9/30$760
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:30 amLHR - BOI
2 stops16h 32mDelta
Mon 12/155:35 amBOI - LHR
2 stops19h 15mDelta
Deal found 9/30$765
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Mon 12/81:45 pmLHR - BOI
1 stop16h 59mUnited Airlines
Tue 12/169:40 amBOI - LHR
2 stops18h 25mUnited Airlines
Deal found 10/1$775
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 11/208:30 amLHR - BOI
2 stops19h 51mUnited Airlines
Thu 11/272:40 pmBOI - LHR
2 stops15h 50mUnited Airlines
Deal found 10/1$786

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 October 2, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Boise that are best for you.

Fly from

Heathrow

Fly to

Boise

Route

Depart

Return

Price

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 11/21

6:35 am-9:58 am

2 stops34h 23m

Boise Air Term. Gowen Fld

Sun 11/30

6:20 am-12:00 pm

1 stop22h 40m

$728

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 12/8

7:40 am-9:59 am

2 stops33h 19m

Boise Air Term. Gowen Fld

Tue 12/16

1:50 pm-1:30 pm

1 stop16h 40m

$728

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 12/8

7:40 am-9:59 am

2 stops33h 19m

Boise Air Term. Gowen Fld

Mon 12/15

10:35 am-12:00 pm

1 stop18h 25m

$728

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 12/8

12:20 pm-8:20 pm

1 stop15h 00m

Boise Air Term. Gowen Fld

Tue 12/16

3:54 pm-4:50 pm

1 stop17h 56m

$757

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 12/8

6:30 am-4:02 pm

2 stops16h 32m

Boise Air Term. Gowen Fld

Mon 12/15

5:35 am-7:50 am

2 stops19h 15m

$765

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 1/4

8:45 pm-10:07 pm

2 stops32h 22m

$762

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 1/4

7:40 am-9:31 pm

2 stops20h 51m

$1,799

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Boise. Price data was last updated on September 26, 2025.

The price you pay for your flight from London Heathrow Airport to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $314). Flying from London Heathrow Airport to Boise in June is currently the most expensive (average of $398). 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?

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 34h 23m. United Airlines provides one of the quickest options available for as low as $728. 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Boise (average of $314). Flying from London Heathrow Airport to Boise in June is currently the most expensive (average of $398). 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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