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£393+ 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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
2 Jul — 9 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 2 June 2026.

Wed 2/909:30
LHR
-
BOI
2 stops19h 07m
Lufthansa
Mon 14/914:41
BOI
-
LHR
1 stop11h 59m
Lufthansa
Deal found 30/5£655
Wed 4/1111:10
LHR
-
BOI
2 stops18h 55m
United Airlines
Sun 8/1110:39
BOI
-
LHR
2 stops37h 51m
United Airlines
Deal found 28/5£658
Tue 8/1207:30
LHR
-
BOI
2 stops19h 05m
United Airlines
Thu 24/1207:00
BOI
-
LHR
1 stop19h 40m
United Airlines
Deal found 29/5£659
Wed 2/917:00
LHR
-
BOI
1 stop13h 44m
Alaska Airlines
Mon 14/910:00
BOI
-
LHR
1 stop22h 05m
Alaska Airlines
Deal found 30/5£673
Wed 2/909:30
LHR
-
BOI
2 stops19h 07m
Multiple Airlines
Mon 14/919:05
BOI
-
LHR
2 stops28h 25m
Multiple Airlines
Deal found 30/5£680
Fri 11/1210:25
LHR
-
BOI
2 stops20h 34m
Lufthansa
Thu 24/1210:39
BOI
-
LHR
2 stops15h 31m
Lufthansa
Deal found 29/5£687
Thu 10/1207:30
LHR
-
BOI
2 stops20h 46m
United Airlines
Thu 24/1205:00
BOI
-
LHR
1 stop21h 40m
United Airlines
Deal found 29/5£689
Sat 5/909:00
LHR
-
BOI
2 stops20h 40m
United Airlines
Mon 7/910:31
BOI
-
LHR
2 stops38h 24m
United Airlines
Deal found 1/6£690
Tue 1/917:00
LHR
-
BOI
1 stop13h 44m
Alaska Airlines
Mon 14/919:48
BOI
-
LHR
1 stop12h 17m
Alaska Airlines
Deal found 30/5£698
Wed 2/910:20
LGW
-
BOI
2 stops17h 13m
Multiple Airlines
Mon 14/910:14
BOI
-
LGW
2 stops25h 36m
Multiple Airlines
Deal found 30/5£796
Tue 23/613:00
LGW
-
BOI
2 stops16h 24m
Icelandair
Sat 4/718:10
BOI
-
LGW
2 stops37h 30m
Icelandair
Deal found 28/5£811
Tue 23/613:00
LGW
-
BOI
2 stops16h 24m
Icelandair
Sun 28/616:27
BOI
-
LGW
2 stops36h 18m
Icelandair
Deal found 2/6£855

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 2 June 2026.

Return from

£655

One-way from

£393

Popular in

December

Cheapest in

January

Average price

£779
Lufthansa
  • Lufthansa
  • 2/9-14/9
  • 3 total stops
  • 31h 06m total
  • London to Boise
Search Deals
30/6
  • 30/6
  • 3 total stops
  • 42h 53m 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 (£39 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 2 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

Wed 4/11

11:10-23:05

2 stops18h 55m

Boise Air Term. Gowen Fld

Sun 8/11

10:39-07:30

2 stops37h 51m

£658

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Sat 5/9

09:00-22:40

2 stops20h 40m

Boise Air Term. Gowen Fld

Mon 7/9

19:05-14:10

1 stop36h 05m

£690

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 2/9

10:20-20:33

2 stops17h 13m

Boise Air Term. Gowen Fld

Mon 14/9

10:14-18:50

2 stops25h 36m

£796

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

£811

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 1/9

06:30-17:19

2 stops17h 49m

Boise Air Term. Gowen Fld

Sun 13/9

05:40-06:25

2 stops17h 45m

£836

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 23/6

13:00-22:24

2 stops16h 24m

Boise Air Term. Gowen Fld

Sun 28/6

16:27-11:45

2 stops36h 18m

£855

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

£863

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 26/6

10:20-22:24

2 stops19h 04m

Boise Air Term. Gowen Fld

Fri 3/7

13:06-18:50

2 stops22h 44m

£898

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 23/6

11:25-21:35

1 stop17h 10m

Boise Air Term. Gowen Fld

Sun 28/6

19:05-06:45

2 stops28h 40m

£910
Fastest return journey

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 23/6

11:45-23:55

2 stops19h 10m

Boise Air Term. Gowen Fld

Sat 4/7

15:55-12:05

1 stop13h 10m

£921

Flights are sorted by cheapest return flights first.

Deals found on 2/6

Showing 1-10 of 32 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 12 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 £542
Virgin Atlantic
Virgin Atlantic
From £562
Lufthansa
Lufthansa
From £507
Icelandair
Icelandair
From £639

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 2 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
689 reviews
Check prices

Comfort

7.3

Entertainment

7.5

Crew

8.1

Boarding

7.7

Food

6.9

Overall

7.5

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

Comfort

7.3

Entertainment

7.5

Crew

8.1

Boarding

7.7

Food

6.9

Overall

7.5

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
9,773 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Entertainment

7.5

Crew

8.1

Boarding

7.7

Food

6.9

Overall

7.5

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
665 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Entertainment

7.5

Crew

8.1

Boarding

7.7

Food

6.9

Overall

7.5

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
8,036 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Entertainment

7.5

Crew

8.1

Boarding

7.7

Food

6.9

Overall

7.5

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, Inverness offers the quickest one-way flight (16 hours 33 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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