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£381+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
15 May — 22 May1
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 15 April 2026.

Wed 16/910:50
LHR
-
BOI
2 stops20h 00m
United Airlines
Sun 20/919:01
BOI
-
LHR
1 stop29h 24m
United Airlines
Deal found 12/4£655
Tue 8/907:30
LHR
-
BOI
2 stops20h 49m
United Airlines
Tue 22/912:23
BOI
-
LHR
2 stops15h 17m
United Airlines
Deal found 11/4£656
Tue 8/914:50
LHR
-
BOI
1 stop13h 35m
Lufthansa
Tue 22/914:44
BOI
-
LHR
1 stop11h 56m
Lufthansa
Deal found 11/4£662
Sat 5/906:40
LHR
-
BOI
2 stops18h 55m
Scandinavian Airlines
Sat 19/910:23
BOI
-
LHR
2 stops24h 17m
Scandinavian Airlines
Deal found 14/4£690
Sat 31/1011:10
LHR
-
BOI
2 stops37h 45m
Lufthansa
Sat 14/1117:22
BOI
-
LHR
2 stops59h 28m
Lufthansa
Deal found 14/4£701
Sat 21/1107:30
LHR
-
BOI
2 stops20h 46m
Lufthansa
Sat 5/1217:22
BOI
-
LHR
2 stops59h 28m
Lufthansa
Deal found 14/4£702
Fri 9/1014:50
LHR
-
BOI
1 stop13h 26m
Lufthansa
Fri 23/1010:39
BOI
-
LHR
1 stop16h 01m
Lufthansa
Deal found 14/4£711
Fri 9/1007:25
LHR
-
BOI
2 stops17h 30m
United Airlines
Fri 23/1012:29
BOI
-
LHR
1 stop13h 31m
United Airlines
Deal found 14/4£714
Sat 10/1008:25
LCY
-
BOI
2 stops21h 30m
Multiple Airlines
Sat 24/1008:18
BOI
-
LCY
2 stops22h 57m
Multiple Airlines
Deal found 14/4£797
Sat 5/915:40
LGW
-
BOI
2 stops37h 53m
Icelandair
Sat 19/916:17
BOI
-
LGW
2 stops15h 23m
Icelandair
Deal found 14/4£810
Fri 9/1010:20
LGW
-
BOI
2 stops19h 27m
Multiple Airlines
Fri 23/1013:00
BOI
-
LGW
2 stops18h 40m
Multiple Airlines
Deal found 14/4£828
Tue 8/910:20
LGW
-
BOI
2 stops17h 04m
Multiple Airlines
Tue 22/910:14
BOI
-
LGW
2 stops21h 26m
Multiple Airlines
Deal found 11/4£830

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 15 April 2026.

Return from

£655

One-way from

£381

Popular in

December

Cheapest in

January

Average price

£619
United Airlines
  • United Airlines
  • 16/9-20/9
  • 4 total stops
  • 58h 08m total
  • London to Boise
Search Deals
3/6
  • 3/6
  • 2 total stops
  • 29h 30m total
  • London to Boise
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£62 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 April 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 15 April 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 16/9

10:50-23:50

2 stops20h 00m

Boise Air Term. Gowen Fld

Sun 20/9

06:30-07:45

2 stops42h 15m

£655

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 8/9

07:30-21:19

2 stops20h 49m

Boise Air Term. Gowen Fld

Tue 22/9

12:23-10:40

2 stops15h 17m

£656

LondonBoise

LCY - BOI

LCYBOI

London City

Sat 10/10

08:25-22:55

2 stops21h 30m

Boise Air Term. Gowen Fld

Sat 24/10

08:18-14:15

2 stops22h 57m

£797

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 9/10

10:20-22:47

2 stops19h 27m

Boise Air Term. Gowen Fld

Fri 23/10

13:00-14:40

2 stops18h 40m

£828

LondonBoise

LCY - BOI

LCYBOI

London City

Tue 5/5

09:20-23:00

2 stops20h 40m

Boise Air Term. Gowen Fld

Wed 13/5

18:41-18:30

2 stops16h 49m

£845

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 27/5

15:40-18:14

2 stops33h 34m

Boise Air Term. Gowen Fld

Wed 3/6

16:19-14:40

2 stops15h 21m

£862

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 22/6

10:25-22:28

2 stops19h 03m

Boise Air Term. Gowen Fld

Mon 29/6

12:00-09:40

2 stops14h 40m

£889

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 5/5

10:20-20:11

2 stops16h 51m

Boise Air Term. Gowen Fld

Wed 13/5

11:56-18:45

2 stops23h 49m

£898

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

£919

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Fri 14/8

10:20-00:04

2 stops20h 44m

Boise Air Term. Gowen Fld

Sat 22/8

13:29-14:40

2 stops18h 11m

£920

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 33 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

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 10 April 2026.

The best time to book flights to Boise is 55 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 45 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 £465
Virgin Atlantic
Virgin Atlantic
From £594
KLM
KLM
From £578
Lufthansa
Lufthansa
From £503

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 15 April 2026.
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
7.8
Good
1,499 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,499 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
687 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,592 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.0
Good
634 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,926 reviews
KLM
7.8
Good
1,499 reviews
Check prices

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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.

  • 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 51 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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