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Boise

$828+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 23 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 June 12, 2025.

Round-trip from

$866
(ChecknFly)

One-way from

$828
(Thrive Travel)

Popular in

August

Cheapest in

January

Average price

$1,041
From London Heathrow to Boise Air Term. Gowen Fld
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One-way flight from London Heathrow to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 16% potential increase in price ($188 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This ChecknFly deal was found by Cheapflights users on 6/12. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:25 amLHR - BOI
1 stop16h 59mLufthansa
Mon 11/310:39 amBOI - LHR
1 stop16h 01mLufthansa
Deal found 6/12$866
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/247:25 amLHR - BOI
2 stops33h 27mUnited Airlines
Mon 11/32:40 pmBOI - LHR
1 stop33h 45mUnited Airlines
Deal found 6/10$868
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/231:35 pmLHR - BOI
1 stop16h 19mMultiple Airlines
Sun 9/78:10 amBOI - LHR
1 stop18h 50mMultiple Airlines
Deal found 6/12$875
This Netflights deal was found by Cheapflights users on 6/11. 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.
Wed 6/1812:45 pmLHR - BOI
1 stop18h 06mVirgin Atlantic
Mon 6/2311:54 amBOI - LHR
2 stops16h 31mVirgin Atlantic
Deal found 6/11$883
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 6/1811:45 amLHR - BOI
2 stops19h 29mDelta
Mon 6/232:00 pmBOI - LHR
2 stops16h 30mDelta
Deal found 6/11$890
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/287:30 pmLHR - BOI
2 stops29h 46mScandinavian Airlines
Sat 9/62:00 pmBOI - LHR
3 stops21h 50mScandinavian Airlines
Deal found 6/10$1,024
This ChecknFly deal was found by Cheapflights users on 6/12. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/263:10 pmLHR - BOI
1 stop15h 09mIberia
Mon 7/73:35 pmBOI - LHR
1 stop15h 50mIberia
Deal found 6/12$1,036
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/181:05 pmLHR - BOI
2 stops40h 41mIcelandair
Mon 6/238:46 pmBOI - LHR
2 stops32h 09mIcelandair
Deal found 6/12$1,405
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/278:30 amLHR - BOI
3 stops20h 57mAir Canada
Sun 8/35:00 amBOI - LHR
3 stops18h 35mAir Canada
Deal found 6/12$2,013
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1010:30 amLHR - BOI
1 stop19h 46mAmerican Airlines
Thu 7/3111:44 amBOI - LHR
1 stop16h 06mAmerican Airlines
Deal found 6/11$7,053

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 June 12, 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 10/24

11:25 am-9:24 pm

1 stop16h 59m

Boise Air Term. Gowen Fld

Mon 11/3

10:39 am-9:40 am

1 stop16h 01m

$866

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 10/24

7:25 am-9:52 am

2 stops33h 27m

Boise Air Term. Gowen Fld

Mon 11/3

2:40 pm-7:25 am

1 stop33h 45m

$868

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 8/23

1:35 pm-10:54 pm

1 stop16h 19m

Boise Air Term. Gowen Fld

Sun 9/7

8:10 am-10:00 am

1 stop18h 50m

$875

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 8/28

7:30 pm-6:16 pm

2 stops29h 46m

Boise Air Term. Gowen Fld

Sat 9/6

2:00 pm-6:50 pm

3 stops21h 50m

$1,024

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 6/26

3:10 pm-11:19 pm

1 stop15h 09m

Boise Air Term. Gowen Fld

Mon 7/7

3:35 pm-2:25 pm

1 stop15h 50m

$1,036

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 6/26

6:30 am-7:06 pm

2 stops19h 36m

Boise Air Term. Gowen Fld

Mon 7/7

12:50 pm-1:10 pm

2 stops17h 20m

$1,054

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 7/27

8:30 am-10:27 pm

3 stops20h 57m

Boise Air Term. Gowen Fld

Sun 8/3

5:00 am-6:35 am

3 stops18h 35m

$2,013

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 7/5

9:25 pm-10:46 pm

2 stops32h 21m

Boise Air Term. Gowen Fld

Sat 7/12

2:10 pm-11:55 am

2 stops14h 45m

$4,834

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 7/5

12:25 pm-11:51 pm

1 stop18h 26m

Boise Air Term. Gowen Fld

Sat 7/12

1:29 pm-6:45 am

1 stop34h 16m

$6,366

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 7/10

10:30 am-11:16 pm

1 stop19h 46m

Boise Air Term. Gowen Fld

Thu 7/31

11:44 am-10:50 am

1 stop16h 06m

$7,053

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
1
2

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 June 9, 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 $395). 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.

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Delta, Finnair and United Airlines from London to Boise by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Our cheapest airline available from London Heathrow Airport to Boise is Lufthansa. Our recent data shows that you can find tickets from as low as $866 on this airline. Additional options worth looking into are United Airlines and Scandinavian Airlines, starting at $868 and $1,024 round-trip. These flights start at 7% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from London Heathrow Airport to Boise one-way?

    $828 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Finnair and WestJet, with prices starting from $970 and $985, respectively.

  • 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 $395). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Nampa
Meridian
Ontario
McCall
Caldwell

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