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£411+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
29 Apr — 6 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 30 March 2026.

Wed 22/406:55
LHR
-
BOI
2 stops21h 27m
Lufthansa
Wed 29/414:37
BOI
-
LHR
1 stop12h 03m
Lufthansa
Deal found 25/3£631
Tue 6/1014:50
LHR
-
BOI
1 stop13h 26m
Lufthansa
Wed 21/1012:29
BOI
-
LHR
1 stop16h 26m
Lufthansa
Deal found 29/3£647
Tue 6/1009:30
LHR
-
BOI
2 stops18h 46m
United Airlines
Wed 21/1007:00
BOI
-
LHR
2 stops17h 40m
United Airlines
Deal found 29/3£661
Tue 12/507:25
LHR
-
BOI
2 stops17h 52m
United Airlines
Tue 19/508:02
BOI
-
LHR
1 stop19h 08m
United Airlines
Deal found 28/3£662
Fri 25/907:30
LHR
-
BOI
2 stops21h 52m
United Airlines
Tue 29/914:43
BOI
-
LHR
1 stop11h 57m
United Airlines
Deal found 25/3£678
Mon 5/1014:50
LHR
-
BOI
1 stop15h 15m
United Airlines
Mon 19/1014:11
BOI
-
LHR
2 stops16h 59m
United Airlines
Deal found 29/3£685
Mon 5/1014:05
LHR
-
BOI
2 stops33h 44m
Air Canada
Wed 21/1006:20
BOI
-
LHR
2 stops22h 30m
Air Canada
Deal found 29/3£687
Mon 5/1014:05
LHR
-
BOI
2 stops33h 44m
Air Canada
Mon 19/1018:55
BOI
-
LHR
2 stops28h 35m
Air Canada
Deal found 29/3£690
Tue 12/513:00
LGW
-
BOI
2 stops17h 02m
Icelandair
Tue 19/516:19
BOI
-
LGW
2 stops15h 21m
Icelandair
Deal found 28/3£709
Wed 22/415:40
LGW
-
BOI
2 stops38h 22m
Icelandair
Wed 29/414:57
BOI
-
LGW
2 stops16h 43m
Icelandair
Deal found 25/3£724
Mon 20/410:20
LGW
-
BOI
2 stops19h 37m
Multiple Airlines
Mon 27/414:57
BOI
-
LGW
2 stops20h 53m
Multiple Airlines
Deal found 29/3£731
Wed 22/409:15
LCY
-
BOI
2 stops20h 47m
Lufthansa
Wed 29/414:37
BOI
-
LCY
2 stops20h 18m
Lufthansa
Deal found 25/3£731

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 30 March 2026.

Return from

£631

One-way from

£411

Popular in

December

Cheapest in

January

Average price

£632
Lufthansa
  • Lufthansa
  • 22/4-29/4
  • 3 total stops
  • 33h 30m total
  • London to Boise
Search Deals
11/5
  • 11/5
  • 3 total stops
  • 32h 37m total
  • London to Boise
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£74 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£42 potential savings vs. average return price).
Search Deals
Average for return flights in March 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 30 March 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 12/5

06:55-18:17

2 stops18h 22m

Boise Air Term. Gowen Fld

Tue 19/5

06:30-07:15

2 stops17h 45m

£662

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 25/9

07:30-22:22

2 stops21h 52m

Boise Air Term. Gowen Fld

Tue 29/9

14:43-09:40

1 stop11h 57m

£678
Fastest return journey

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Tue 12/5

13:00-23:02

2 stops17h 02m

Boise Air Term. Gowen Fld

Tue 19/5

16:19-14:40

2 stops15h 21m

£709

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 22/4

15:40-23:02

2 stops38h 22m

Boise Air Term. Gowen Fld

Wed 29/4

14:57-14:40

2 stops16h 43m

£724

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 20/4

10:20-22:57

2 stops19h 37m

Boise Air Term. Gowen Fld

Mon 27/4

14:57-18:50

2 stops20h 53m

£731

LondonBoise

LCY - BOI

LCYBOI

London City

Wed 22/4

09:15-23:02

2 stops20h 47m

Boise Air Term. Gowen Fld

Wed 29/4

14:37-17:55

2 stops20h 18m

£731

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Sat 4/7

10:05-10:12

1 stop31h 07m

Boise Air Term. Gowen Fld

Fri 24/7

18:51-10:55

1 stop33h 04m

£851

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 13/5

10:20-23:58

2 stops20h 38m

Boise Air Term. Gowen Fld

Wed 20/5

11:56-14:45

2 stops19h 49m

£894

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 20/4

10:20-22:57

2 stops19h 37m

Boise Air Term. Gowen Fld

Mon 27/4

14:57-18:50

2 stops20h 53m

£908

LondonBoise

LCY - BOI

LCYBOI

London City

Tue 23/6

09:15-17:56

2 stops39h 41m

Boise Air Term. Gowen Fld

Sun 5/7

12:38-08:40

2 stops37h 02m

£909

Flights are sorted by cheapest return flights first.

Deals found on 27/3

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 13 March 2026.

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 16 hours 15 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 £475
Virgin Atlantic
Virgin Atlantic
From £606
Lufthansa
Lufthansa
From £514
KLM
KLM
From £590

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 30 March 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
1,480 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Overall

7.8

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
1,480 reviews
KLM
7.8
Good
1,480 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Overall

7.8

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
685 reviews
KLM
7.8
Good
1,480 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Overall

7.8

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
9,517 reviews
KLM
7.8
Good
1,480 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Overall

7.8

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
627 reviews
KLM
7.8
Good
1,480 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Overall

7.8

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
7,877 reviews
KLM
7.8
Good
1,480 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Overall

7.8

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 (13 hours 45 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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