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Cheap flights from London Heathrow Airport to Boise from £360

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
27 Feb — 6 Mar1
1 adult

The best prices from London Heathrow to Boise Air Term. Gowen Fld are usually found in January or November, booked 22 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 22 February 2025.

Round-trip from

£544

One-way from

£360

Popular in

August

Cheapest in

January

Average price

£778
Iberia
  • Iberia
  • 28/2-9/3
  • 2 total stops
  • 34h 27m total
  • London to Boise
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14/5
  • 14/5
  • 2 total stops
  • 54h 39m total
  • London to Boise
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£110 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in February 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 22 February 2025.

Fri 28/209:25LHR - BOI
1 stop19h 25mIberia
Sun 9/318:58BOI - LHR
1 stop15h 02mIberia
Deal found 21/2£544
Fri 28/206:30LHR - BOI
2 stops19h 20mKLM
Sun 9/314:05BOI - LHR
1 stop16h 35mKLM
Deal found 21/2£624
Fri 28/217:00LHR - BOI
2 stops36h 21mScandinavian Airlines
Sun 9/307:15BOI - LHR
2 stops26h 45mScandinavian Airlines
Deal found 21/2£651
Mon 6/1011:25LHR - BOI
1 stop16h 51mLufthansa
Thu 16/1014:43BOI - LHR
1 stop11h 57mLufthansa
Deal found 21/2£688
Mon 6/1017:40LHR - BOI
2 stops25h 15mUnited Airlines
Thu 16/1012:00BOI - LHR
2 stops17h 20mUnited Airlines
Deal found 21/2£695
Mon 6/1006:00LHR - BOI
2 stops22h 35mMultiple Airlines
Thu 16/1006:30BOI - LHR
3 stops22h 25mMultiple Airlines
Deal found 21/2£942
Sun 2/319:35LHR - BOI
2 stops27h 41mAir France
Sun 16/313:05BOI - LHR
2 stops36h 50mAir France
Deal found 21/2£948
Sun 2/315:00LHR - BOI
2 stops29h 30mAir Canada
Sun 16/310:35BOI - LHR
2 stops19h 15mAir Canada
Deal found 21/2£956
Sat 5/413:25LHR - BOI
1 stop14h 07mVirgin Atlantic
Sat 19/410:30BOI - LHR
1 stop20h 45mVirgin Atlantic
Deal found 21/2£1,099
Thu 10/716:30LHR - BOI
1 stop12h 50mBritish Airways
Thu 31/711:20BOI - LHR
1 stop19h 20mBritish Airways
Deal found 21/2£4,004
Thu 10/712:00LHR - BOI
1 stop16h 03mFinnair
Wed 30/702:11BOI - LHR
1 stop21h 14mFinnair
Deal found 21/2£4,022

Find flights from Heathrow to Boise within your budget

Customise 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 858,174 searches. Data last updated 22 February 2025.

Fly from

Heathrow

Fly to

Boise

Route

Depart

Return

Price

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 28/2

09:25-21:50

1 stop19h 25m

Boise Air Term. Gowen Fld

Sun 9/3

18:58-16:00

1 stop15h 02m

£544

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 28/2

06:30-18:50

2 stops19h 20m

Boise Air Term. Gowen Fld

Sun 9/3

14:05-12:40

1 stop16h 35m

£624

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 28/2

17:00-22:21

2 stops36h 21m

Boise Air Term. Gowen Fld

Sun 9/3

07:15-16:00

2 stops26h 45m

£651

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 2/3

19:35-16:16

2 stops27h 41m

Boise Air Term. Gowen Fld

Sun 16/3

13:05-07:55

2 stops36h 50m

£948

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 2/3

15:00-13:30

2 stops29h 30m

Boise Air Term. Gowen Fld

Sun 16/3

10:35-11:50

2 stops19h 15m

£956

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 28/2

06:40-23:59

3 stops24h 19m

Boise Air Term. Gowen Fld

Sun 9/3

07:15-16:00

2 stops26h 45m

£996

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 5/4

18:00-12:00

2 stops25h 00m

Boise Air Term. Gowen Fld

Sat 19/4

08:20-11:45

1 stop20h 25m

£1,054

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 5/4

13:25-20:32

1 stop14h 07m

Boise Air Term. Gowen Fld

Sat 19/4

10:30-14:15

1 stop20h 45m

£1,099

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 14/5

15:05-14:44

2 stops54h 39m

£360

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 14/5

14:10-16:29

3 stops33h 19m

£575

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 11 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 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.

Travel insights for flights from Heathrow to Boise

Get recent, data-driven insights about flights from Heathrow to Boise including ideal travel times, pricing trends, and more.

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 return flight from Heathrow to Boise. Price data was last updated on 14 February 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Boise, you should look to book at least 22 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?

Find hourly flight availability from Heathrow to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 February 2025.

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.

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 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.

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 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).

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 22 February 2025.
KLM
7.8
Good
1,330 reviews
Check prices

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,330 reviews
KLM
7.8
Good
1,330 reviews
Check prices

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Virgin Atlantic
7.5
Good
653 reviews
KLM
7.8
Good
1,330 reviews
Check prices

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Air France
7.4
Good
1,448 reviews
KLM
7.8
Good
1,330 reviews
Check prices

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Scandinavian Airlines
7.3
Good
1,320 reviews
KLM
7.8
Good
1,330 reviews
Check prices

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

WestJet
7.2
Good
2,800 reviews
KLM
7.8
Good
1,330 reviews
Check prices

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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?

    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 7 different airlines.

  • 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 £544. Other airlines that can offer you cheap pricing are KLM, from £624, and Scandinavian Airlines, from £651. These flights start at 26% 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

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Top 7 airlines flying from Heathrow to Boise

Discover the top 7 airlines that operate flights from Heathrow to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 February 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£520Average£690FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£562Average£665FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£563Average£972FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£568Average£636FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£613Average£783FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£661Average£858FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£710Average£909FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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.

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