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£420+ Cheap flights to Boise

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Boise in 2025

Find the latest flights to Boise in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 27 November 2025.

Return from

£567

One-way from

£420

Popular in

December

Cheapest in

September

Average price

£644
United Airlines
  • United Airlines
  • 20/4-27/4
  • 3 total stops
  • 42h 09m total
  • London to Boise
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19/3
  • 19/3
  • 3 total stops
  • 44h 42m total
  • London to Boise
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£61 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£28 potential savings vs. average return price).
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Average for return flights in November 2025
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Find flight deals to Boise

Enter your travel dates to find the best prices.

Cheapest flights to Boise
Explore the most affordable flight options available to Boise. Find the lowest fares based on data from user searches, with prices last updated on 27 November 2025.

Tue 9/1211:55LHR - BOI
1 stop17h 30mFinnair
Sun 14/1206:44BOI - LHR
1 stop20h 16mFinnair
Deal found 25/11£667
Mon 8/1208:20LHR - BOI
1 stop21h 05mMultiple Airlines
Mon 15/1216:20BOI - LHR
1 stop12h 00mMultiple Airlines
Deal found 26/11£687
Tue 9/1214:45LHR - BOI
1 stop14h 31mVirgin Atlantic
Mon 15/1213:54BOI - LHR
1 stop15h 56mVirgin Atlantic
Deal found 25/11£692
Mon 8/1214:45LHR - BOI
1 stop35h 06mVirgin Atlantic
Tue 16/1214:04BOI - LHR
1 stop33h 21mVirgin Atlantic
Deal found 24/11£697
Tue 9/1210:05LHR - BOI
1 stop32h 29mLufthansa
Sun 14/1219:11BOI - LHR
2 stops29h 44mLufthansa
Deal found 25/11£701
Tue 9/1212:15LHR - BOI
2 stops16h 30mMultiple Airlines
Mon 15/1211:45BOI - LHR
2 stops16h 05mMultiple Airlines
Deal found 24/11£708
Tue 9/1210:05LHR - BOI
1 stop20h 39mLufthansa
Mon 15/1219:11BOI - LHR
2 stops19h 09mLufthansa
Deal found 24/11£709
Tue 9/1206:35LHR - BOI
2 stops18h 32mUnited Airlines
Mon 15/1212:16BOI - LHR
1 stop12h 39mUnited Airlines
Deal found 24/11£715
Mon 8/1207:40LHR - BOI
2 stops33h 19mUnited Airlines
Mon 15/1209:40BOI - LHR
2 stops18h 40mUnited Airlines
Deal found 24/11£720
Tue 9/1212:20LHR - BOI
1 stop16h 56mVirgin Atlantic
Sun 14/1205:35BOI - LHR
1 stop18h 30mVirgin Atlantic
Deal found 24/11£726
Thu 11/1211:55LGW - BOI
2 stops18h 15mMultiple Airlines
Fri 9/109:02BOI - LGW
2 stops18h 53mMultiple Airlines
Deal found 24/11£729
Thu 11/1212:30LGW - BOI
2 stops30h 57mAmerican Airlines
Fri 9/117:54BOI - LGW
2 stops30h 36mAmerican Airlines
Deal found 26/11£815

Cheapflights Fare Finder

 
Locate flights to Boise that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 27 November 2025.
Use the filters below to find and compare flights to Boise that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 9/2

07:30-18:07

2 stops17h 37m

Boise Air Term. Gowen Fld

Mon 16/2

14:40-14:45

2 stops17h 05m

£560

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

06:55-22:35

2 stops22h 40m

Boise Air Term. Gowen Fld

Mon 27/4

06:15-09:40

1 stop20h 25m

£568

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 9/2

10:05-21:23

1 stop18h 18m

Boise Air Term. Gowen Fld

Thu 19/2

12:16-07:55

1 stop12h 39m

£579

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/2

13:35-22:57

1 stop16h 22m

Boise Air Term. Gowen Fld

Wed 18/2

08:00-05:55

1 stop14h 55m

£579

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/2

10:05-21:23

1 stop18h 18m

Boise Air Term. Gowen Fld

Thu 19/2

10:53-07:25

1 stop13h 32m

£579

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 10/2

13:45-23:48

1 stop17h 03m

Boise Air Term. Gowen Fld

Thu 19/2

13:44-12:00

1 stop15h 16m

£579

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 9/2

10:05-21:23

1 stop18h 18m

Boise Air Term. Gowen Fld

Tue 17/2

10:53-07:25

1 stop13h 32m

£579

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 9/2

10:05-21:23

1 stop18h 18m

Boise Air Term. Gowen Fld

Wed 18/2

10:53-12:00

1 stop18h 07m

£579

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 10/2

10:05-21:25

1 stop18h 20m

Boise Air Term. Gowen Fld

Wed 18/2

10:53-07:25

1 stop13h 32m

£579

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 20/2

06:35-10:12

2 stops34h 37m

Boise Air Term. Gowen Fld

Mon 2/3

06:25-06:40

2 stops17h 15m

£585

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 31 results
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Best time to book a flight to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise 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.

Cheapflights Insights

Everything you need to know about your flight to Boise

When is the best time to book a flight to Boise?

Use this chart to determine the optimal time to book a return flight from London to Boise. Price data was last updated on 21 November 2025.

The best time to book flights to Boise is 16 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

How long is the flight to Boise?

On average, a flight from London to Boise takes 17 hours 59 minutes. Flights to Boise from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Boise?

The most popular airlines flying from London to Boise are United Airlines, Virgin Atlantic and Lufthansa.

United Airlines
United Airlines
From £544
Virgin Atlantic
Virgin Atlantic
From £591
Lufthansa
Lufthansa
From £543
KLM
KLM
From £558

What are the cheapest airlines that fly to Boise?

The cheapest airlines flying from London to Boise are United Airlines, Lufthansa and Virgin Atlantic.

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 27 November 2025.
Read reviews from past customers who have flown KLM, Virgin Atlantic, andUnited Airlines to the United States. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,046 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,594 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,539 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Overall

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

FAQs about flying to Boise

Getting around Boise

Boise is really a city for motorists, so anyone renting a car has a major advantage. However, shuttle buses will head to the ski resorts and major hiking areas. Those on foot or renting bikes can enjoy the stunning Boise Green Belt, which stretches for 15 miles across the town, and is well worth the effort.

  • When is the best time to fly to Boise?

    This is a year-round destination. Visit between November and late March to ski, snowboard and skate, or head over between June and August to hike, hang-glide and fish to your heart’s content. A trip in September and October may be ideal, with accommodation bargains aplenty.

  • What airport do you fly into for flights to Boise?

    If you book a flight to Boise, you will be flying into Air Term. Gowen Fld, which is the city’s only airport. Boise Air Term. Gowen Fld (BOI) is located 3.3 mi from the center of Boise.

  • Can I find cheaper flights to Boise if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Boise on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Boise?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Boise.

  • What is the cheapest airport to fly to in Boise?

    Boise Air Term. Gowen Fld is currently the cheapest airport to fly to in Boise. One-way flights to Boise Air Term. Gowen Fld typically cost £58, while return flights cost around £309.

  • Where does the fastest flight to Boise depart from?

    For those looking to save time traveling to Boise, London offers the quickest one-way flight (16 hours 10 minutes).

  • Does Boise Air Term. Gowen Fld have car hire?

    Yes. Those touching down at Boise Air Term. Gowen Fld can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Boise Air Term. Gowen Fld?

    Yes. Boise Air Term. Gowen Fld has hotels nearby for those requiring accommodations. Rodeway Inn Boise Airport is the closest property to Boise Air Term. Gowen Fld (0.0 mi away from Boise Air Term. Gowen Fld).

See more FAQs

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