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£360+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
25 Jun — 2 Jul1
1 adult
1 adult, Economy, 0 bags

Flights to Boise in 2026

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 26 May 2026.

Mon 14/906:55
LHR
-
BOI
2 stops22h 45m
United Airlines
Sun 27/919:05
BOI
-
LHR
1 stop33h 05m
United Airlines
Deal found 21/5£657
Mon 14/911:05
LHR
-
BOI
1 stop31h 21m
Lufthansa
Sun 27/917:44
BOI
-
LHR
1 stop32h 56m
Lufthansa
Deal found 21/5£657
Sat 26/908:30
LHR
-
BOI
2 stops21h 30m
Multiple Airlines
Sat 10/1007:26
BOI
-
LHR
2 stops19h 34m
Multiple Airlines
Deal found 25/5£677
Sat 26/911:25
LHR
-
BOI
1 stop13h 33m
Lufthansa
Sat 10/1012:29
BOI
-
LHR
1 stop16h 26m
Lufthansa
Deal found 25/5£715
Sat 26/906:40
LHR
-
BOI
2 stops22h 45m
Scandinavian Airlines
Sat 10/1012:42
BOI
-
LHR
3 stops21h 18m
Scandinavian Airlines
Deal found 25/5£729
Tue 7/707:30
LHR
-
BOI
2 stops17h 26m
Lufthansa
Tue 14/712:34
BOI
-
LHR
1 stop13h 26m
Lufthansa
Deal found 21/5£749
Tue 23/608:00
LHR
-
BOI
1 stop21h 56m
Lufthansa
Sun 5/719:05
BOI
-
LHR
1 stop33h 05m
Lufthansa
Deal found 21/5£768
Mon 22/615:40
LGW
-
BOI
2 stops33h 31m
Icelandair
Wed 22/716:21
BOI
-
LGW
2 stops39h 19m
Icelandair
Deal found 23/5£811
Tue 7/715:40
LGW
-
BOI
2 stops33h 31m
Icelandair
Tue 14/720:47
BOI
-
LGW
2 stops31h 58m
Icelandair
Deal found 21/5£825
Sat 26/910:20
LGW
-
BOI
2 stops19h 18m
Multiple Airlines
Sat 10/1014:08
BOI
-
LGW
2 stops17h 32m
Multiple Airlines
Deal found 25/5£835
Tue 23/613:00
LGW
-
BOI
2 stops16h 24m
Icelandair
Sat 4/716:21
BOI
-
LGW
2 stops39h 19m
Icelandair
Deal found 21/5£846
Mon 14/910:20
LGW
-
BOI
2 stops19h 18m
Multiple Airlines
Sun 27/914:19
BOI
-
LGW
2 stops21h 31m
Multiple Airlines
Deal found 21/5£852

Find flight deals to Boise

Find the latest flights to Boise in 2026, 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 26 May 2026.

Return from

£657

One-way from

£360

Popular in

December

Cheapest in

January

Average price

£673
United Airlines
  • United Airlines
  • 14/9-27/9
  • 3 total stops
  • 55h 50m total
  • London to Boise
Search Deals
4/6
  • 4/6
  • 3 total stops
  • 42h 06m total
  • London to Boise
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£40 potential savings vs. average return price).
Search Deals
Average for return flights in May 2026
Search Deals

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 26 May 2026.
Use the filters below to find and compare flights to Boise that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 23/6

11:05-22:56

1 stop18h 51m

Boise Air Term. Gowen Fld

Sun 5/7

12:28-06:45

1 stop35h 17m

£772

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 23/6

18:00-11:32

2 stops24h 32m

Boise Air Term. Gowen Fld

Sat 4/7

19:05-20:40

2 stops18h 35m

£797

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 22/6

15:40-18:11

2 stops33h 31m

Boise Air Term. Gowen Fld

Wed 22/7

16:21-14:40

2 stops39h 19m

£811

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Sat 26/9

10:20-22:38

2 stops19h 18m

Boise Air Term. Gowen Fld

Sat 10/10

14:08-14:40

2 stops17h 32m

£835

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 7/7

15:40-18:11

2 stops33h 31m

Boise Air Term. Gowen Fld

Tue 14/7

20:47-11:45

2 stops31h 58m

£860

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 23/6

13:00-22:24

2 stops16h 24m

Boise Air Term. Gowen Fld

Sat 4/7

18:10-14:40

2 stops37h 30m

£863

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sun 5/7

08:00-11:32

1 stop34h 32m

Boise Air Term. Gowen Fld

Sun 12/7

17:46-09:40

1 stop32h 54m

£917

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 23/6

10:35-22:28

2 stops18h 53m

Boise Air Term. Gowen Fld

Sun 5/7

10:36-09:25

2 stops15h 49m

£921

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 4/6

13:05-23:58

2 stops17h 53m

Boise Air Term. Gowen Fld

Fri 24/7

20:47-20:20

2 stops16h 33m

£930

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Thu 18/6

10:25-22:28

2 stops19h 03m

Boise Air Term. Gowen Fld

Thu 25/6

11:55-09:25

2 stops14h 30m

£937

Flights are sorted by cheapest return flights first.

Deals found on 24/5

Showing 1-10 of 46 resultsSorted by cheapest first
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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

How long is the flight to Boise?

On average, a flight from London to Boise takes 17 hours 25 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 £541
Virgin Atlantic
Virgin Atlantic
From £560
Lufthansa
Lufthansa
From £505
Icelandair
Icelandair
From £637

What are the cheapest airlines that fly to Boise?

The cheapest airlines flying from London to Boise are Lufthansa, United Airlines 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).

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

The best time to book flights to Boise is 75 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.

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 26 May 2026.
Read reviews from past customers who have flown Virgin Atlantic,United Airlines, andIcelandair 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.
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Crew

8.1

Comfort

7.3

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Crew

8.1

Comfort

7.3

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
9,753 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Crew

8.1

Comfort

7.3

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Icelandair
7.0
Good
658 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Crew

8.1

Comfort

7.3

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,032 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Crew

8.1

Comfort

7.3

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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, Lufthansa is rated the highest out of the airlines that fly to Boise.

  • 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 (13 hours 31 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. Layover 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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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Boise.

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Yes! Cheapflights helps users easily find flights to Boise with no change fees.

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