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Boise

$564+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
May 4 — May 111
Mon 5/4
Mon 5/11
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 April 4, 2026.

This United Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 5/58:45 am
LHR
-
BOI
2 stops33h 42m
United Airlines
Tue 5/196:30 am
BOI
-
LHR
2 stops18h 50m
United Airlines
Deal found 4/3$870
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 10/67:25 am
LHR
-
BOI
2 stops17h 30m
United Airlines
Wed 10/218:40 am
BOI
-
LHR
1 stop15h 05m
United Airlines
Deal found 3/30$876
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:50 pm
LHR
-
BOI
1 stop13h 26m
Lufthansa
Wed 10/212:43 pm
BOI
-
LHR
1 stop11h 57m
Lufthansa
Deal found 3/30$889
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 10/72:50 pm
LHR
-
BOI
1 stop13h 26m
United Airlines
Thu 10/226:20 am
BOI
-
LHR
1 stop18h 05m
United Airlines
Deal found 3/30$908
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:05 pm
LHR
-
BOI
2 stops25h 38m
Air Canada
Mon 10/194:05 pm
BOI
-
LHR
2 stops31h 25m
Air Canada
Deal found 3/30$911
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:50 am
LHR
-
BOI
2 stops20h 00m
United Airlines
Tue 9/155:00 am
BOI
-
LHR
2 stops17h 55m
United Airlines
Deal found 4/2$914
This United Airlines deal was found by Cheapflights users on 3/30. 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 9/259:30 am
LHR
-
BOI
2 stops19h 52m
United Airlines
Tue 9/297:00 am
BOI
-
LHR
2 stops15h 55m
United Airlines
Deal found 3/30$915
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:40 pm
LHR
-
BOI
2 stops28h 16m
Air Canada
Tue 10/2011:45 am
BOI
-
LHR
2 stops18h 35m
Air Canada
Deal found 3/30$916
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:40 pm
LHR
-
BOI
2 stops28h 16m
Air Canada
Sun 10/186:20 am
BOI
-
LHR
2 stops44h 40m
Air Canada
Deal found 3/30$919
This Expedia deal was found by Cheapflights users on 4/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:30 am
LHR
-
BOI
2 stops18h 47m
Lufthansa
Tue 6/910:41 am
BOI
-
LHR
1 stop15h 59m
Lufthansa
Deal found 4/2$925
This Globehunters deal was found by Cheapflights users on 4/3. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:25 am
LHR
-
BOI
1 stop16h 52m
Lufthansa
Fri 5/82:33 pm
BOI
-
LHR
1 stop14h 52m
Lufthansa
Deal found 4/3$929

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 April 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$870
(United Airlines)

One-way from

$564
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$845
Provider with most accurate pricing for London Heathrow-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Boise Air Term. Gowen Fld flights.
Search Deals
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. 4% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 4, 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 - BOI

LHRBOI

London Heathrow

Tue 5/5

8:45 am-11:27 am

2 stops33h 42m

Boise Air Term. Gowen Fld

Tue 5/19

8:02 am-10:10 am

1 stop19h 08m

$870

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 9/11

10:50 am-11:00 am

2 stops31h 10m

Boise Air Term. Gowen Fld

Tue 9/15

5:44 pm-12:25 pm

1 stop11h 41m

$914
Quickest round-trip

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 9/25

9:30 am-10:22 pm

2 stops19h 52m

Boise Air Term. Gowen Fld

Tue 9/29

7:00 am-5:55 am

2 stops15h 55m

$915

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 9/6

4:15 pm-11:50 pm

1 stop14h 35m

Boise Air Term. Gowen Fld

Sun 9/20

7:01 pm-7:25 am

1 stop29h 24m

$945

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 9/6

1:05 pm-11:00 am

2 stops28h 55m

Boise Air Term. Gowen Fld

Sun 9/20

7:01 pm-9:35 pm

2 stops19h 34m

$958
Cheapest one-way

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 4/20

9:10 pm-10:57 pm

3 stops32h 47m

$586

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 6/1

9:25 pm-5:13 pm

2 stops26h 48m

$677

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 9/11

8:25 pm-5:53 pm

2 stops28h 28m

$682

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 4/18

2:10 pm-10:52 pm

2 stops39h 42m

$694

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 5/15

7:25 am-9:54 am

2 stops33h 29m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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

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 $685). Flying from London Heathrow Airport to Boise in February is currently the most expensive (average of $914). 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 33h 42m. United Airlines provides one of the quickest options available for as low as $870. 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 $685). Flying from London Heathrow Airport to Boise in February is currently the most expensive (average of $914). 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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