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£429+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
29 Jul — 5 Aug1
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 29 June 2026.

Tue 1/906:40
LHR
-
BOI
2 stops19h 08m
Scandinavian Airlines
Sun 13/912:14
BOI
-
LHR
2 stops23h 16m
Scandinavian Airlines
Deal found 26/6£567
Fri 18/906:40
LHR
-
BOI
2 stops18h 59m
Scandinavian Airlines
Sun 27/912:14
BOI
-
LHR
2 stops26h 26m
Scandinavian Airlines
Deal found 26/6£582
Tue 15/906:40
LHR
-
BOI
2 stops22h 54m
Scandinavian Airlines
Sun 27/912:14
BOI
-
LHR
2 stops26h 26m
Scandinavian Airlines
Deal found 26/6£593
Tue 1/906:40
LHR
-
BOI
2 stops22h 50m
Scandinavian Airlines
Wed 16/916:00
BOI
-
LHR
2 stops41h 00m
Scandinavian Airlines
Deal found 28/6£645
Thu 3/1207:40
LHR
-
BOI
2 stops23h 19m
United Airlines
Sun 6/1218:55
BOI
-
LHR
1 stop33h 20m
United Airlines
Deal found 27/6£655
Mon 21/907:30
LHR
-
BOI
2 stops17h 28m
United Airlines
Tue 29/914:20
BOI
-
LHR
1 stop16h 50m
United Airlines
Deal found 26/6£661
Tue 1/909:30
LHR
-
BOI
2 stops19h 07m
Lufthansa
Wed 16/910:31
BOI
-
LHR
1 stop16h 09m
Lufthansa
Deal found 28/6£668
Sat 11/706:40
LHR
-
BOI
2 stops19h 43m
Scandinavian Airlines
Sat 3/1010:34
BOI
-
LHR
2 stops28h 06m
Scandinavian Airlines
Deal found 24/6£684
Tue 15/914:10
LHR
-
BOI
1 stop15h 43m
United Airlines
Tue 29/914:44
BOI
-
LHR
1 stop11h 56m
United Airlines
Deal found 26/6£685
Sat 11/706:40
LHR
-
BOI
2 stops22h 38m
Scandinavian Airlines
Sat 10/1012:42
BOI
-
LHR
3 stops23h 08m
Scandinavian Airlines
Deal found 24/6£687
Tue 1/910:20
LGW
-
BOI
2 stops20h 24m
Multiple Airlines
Wed 16/913:15
BOI
-
LGW
2 stops22h 30m
Multiple Airlines
Deal found 28/6£694
Tue 1/910:20
LGW
-
BOI
2 stops20h 24m
Multiple Airlines
Sun 13/910:14
BOI
-
LGW
2 stops25h 36m
Multiple Airlines
Deal found 26/6£716

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 29 June 2026.

Return from

£567

One-way from

£406

Popular in

December

Cheapest in

January

Average price

£823
Scandinavian Airlines
  • Scandinavian Airlines
  • 1/9-13/9
  • 4 total stops
  • 42h 24m total
  • London to Boise
Search Deals
29/9
  • 29/9
  • 3 total stops
  • 57h 54m total
  • London to Boise
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for return flights in June 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 29 June 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

Sat 11/7

06:40-22:18

2 stops22h 38m

Boise Air Term. Gowen Fld

Sat 10/10

12:42-18:50

3 stops23h 08m

£687

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 12/11

06:35-21:19

2 stops21h 44m

Boise Air Term. Gowen Fld

Mon 16/11

08:22-11:15

1 stop19h 53m

£691

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 1/9

10:20-23:44

2 stops20h 24m

Boise Air Term. Gowen Fld

Wed 16/9

13:15-18:45

2 stops22h 30m

£694
Fastest return journey

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 19/9

11:25-17:58

1 stop13h 33m

Boise Air Term. Gowen Fld

Mon 28/9

17:30-12:25

1 stop11h 55m

£715

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 15/9

11:25-17:58

1 stop13h 33m

Boise Air Term. Gowen Fld

Fri 25/9

17:30-12:25

1 stop11h 55m

£715

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 1/9

10:20-23:44

2 stops20h 24m

Boise Air Term. Gowen Fld

Sun 13/9

10:14-18:50

2 stops25h 36m

£716

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 3/12

10:05-21:15

1 stop18h 10m

Boise Air Term. Gowen Fld

Sun 6/12

12:29-07:55

1 stop12h 26m

£744

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/7

21:05-18:46

3 stops28h 41m

Boise Air Term. Gowen Fld

Sun 9/8

12:23-18:30

2 stops23h 07m

£790

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 12/8

10:20-20:07

2 stops16h 47m

Boise Air Term. Gowen Fld

Wed 19/8

10:14-18:45

2 stops25h 31m

£804

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Thu 20/8

10:20-20:33

2 stops17h 13m

Boise Air Term. Gowen Fld

Sun 30/8

14:17-18:50

2 stops21h 33m

£812

Flights are sorted by cheapest return flights first.

Deals found on 27/6

Showing 1-10 of 50 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 18 hours 51 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 £553
Virgin Atlantic
Virgin Atlantic
From £567
Lufthansa
Lufthansa
From £516
Icelandair
Icelandair
From £712

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).

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 29 June 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
690 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Overall

7.5

Comfort

7.3

Crew

8.1

Food

6.9

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
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Overall

7.5

Comfort

7.3

Crew

8.1

Food

6.9

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
9,898 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Overall

7.5

Comfort

7.3

Crew

8.1

Food

6.9

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
692 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Overall

7.5

Comfort

7.3

Crew

8.1

Food

6.9

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
8,107 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Entertainment

7.5

Boarding

7.7

Overall

7.5

Comfort

7.3

Crew

8.1

Food

6.9

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 (16 hours 47 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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