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£379+ 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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
23 Mar — 30 Mar1
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 21 February 2026.

Mon 20/414:50
LHR
-
BOI
1 stop13h 32m
Lufthansa
Wed 6/508:22
BOI
-
LHR
2 stops18h 48m
Lufthansa
Deal found 19/2£568
Wed 6/507:30
LHR
-
BOI
2 stops22h 15m
Lufthansa
Wed 13/514:33
BOI
-
LHR
1 stop12h 07m
Lufthansa
Deal found 18/2£569
Mon 20/407:25
LHR
-
BOI
2 stops17h 40m
United Airlines
Mon 27/408:20
BOI
-
LHR
1 stop20h 25m
United Airlines
Deal found 20/2£570
Tue 5/508:45
LHR
-
BOI
2 stops19h 32m
United Airlines
Tue 19/508:20
BOI
-
LHR
1 stop19h 50m
United Airlines
Deal found 17/2£573
Mon 20/407:30
LHR
-
BOI
2 stops17h 35m
United Airlines
Wed 6/514:33
BOI
-
LHR
1 stop12h 07m
United Airlines
Deal found 18/2£575
Thu 23/406:15
LHR
-
BOI
2 stops23h 46m
Multiple Airlines
Tue 5/513:15
BOI
-
LHR
2 stops19h 20m
Multiple Airlines
Deal found 19/2£584
Mon 20/413:05
LHR
-
BOI
1 stop15h 58m
Lufthansa
Mon 27/409:26
BOI
-
LHR
2 stops17h 44m
Lufthansa
Deal found 19/2£586
Thu 23/408:00
LHR
-
BOI
2 stops20h 15m
Lufthansa
Thu 30/410:35
BOI
-
LHR
1 stop18h 45m
Lufthansa
Deal found 19/2£595
Thu 23/410:20
LGW
-
BOI
2 stops19h 42m
Multiple Airlines
Tue 28/414:57
BOI
-
LGW
2 stops20h 53m
Multiple Airlines
Deal found 19/2£682
Mon 20/415:40
LGW
-
BOI
2 stops38h 17m
Icelandair
Wed 6/516:38
BOI
-
LGW
2 stops15h 02m
Icelandair
Deal found 19/2£683
Tue 5/513:00
LGW
-
BOI
2 stops17h 02m
Icelandair
Tue 19/516:19
BOI
-
LGW
2 stops15h 21m
Icelandair
Deal found 17/2£688
Mon 20/415:40
LGW
-
BOI
2 stops38h 17m
Multiple Airlines
Mon 27/416:27
BOI
-
LGW
2 stops39h 13m
Multiple Airlines
Deal found 18/2£691

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 21 February 2026.

Return from

£568

One-way from

£379

Popular in

December

Cheapest in

January

Average price

£618
Lufthansa
  • Lufthansa
  • 20/4-6/5
  • 2 total stops
  • 28h 05m total
  • London to Boise
Search Deals
13/3
  • 13/3
  • 3 total stops
  • 51h 20m 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 (£41 potential savings vs. average return price).
Search Deals
Average for return flights in February 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 21 February 2026.
Use the filters below to find and compare flights to Boise that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 6/5

08:40-21:17

2 stops19h 37m

Boise Air Term. Gowen Fld

Wed 13/5

06:30-07:15

2 stops17h 45m

£570

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 5/5

08:45-21:17

2 stops19h 32m

Boise Air Term. Gowen Fld

Tue 19/5

08:20-11:10

1 stop19h 50m

£573

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

07:30-18:05

2 stops17h 35m

Boise Air Term. Gowen Fld

Wed 6/5

14:33-09:40

1 stop12h 07m

£575

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

13:00-21:15

1 stop15h 15m

Boise Air Term. Gowen Fld

Wed 6/5

06:23-07:25

1 stop18h 02m

£587

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 20/4

10:35-21:15

1 stop17h 40m

Boise Air Term. Gowen Fld

Mon 27/4

19:03-06:45

2 stops28h 42m

£587

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 23/4

07:25-19:53

2 stops19h 28m

Boise Air Term. Gowen Fld

Tue 28/4

06:15-07:25

1 stop18h 10m

£603

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 23/4

07:25-19:53

2 stops19h 28m

Boise Air Term. Gowen Fld

Thu 30/4

06:30-06:55

2 stops17h 25m

£603

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 19/3

10:05-23:57

1 stop19h 52m

Boise Air Term. Gowen Fld

Thu 26/3

06:15-09:40

1 stop21h 25m

£607

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 19/3

13:45-23:57

1 stop16h 12m

Boise Air Term. Gowen Fld

Thu 26/3

06:15-10:15

2 stops22h 00m

£619

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 20/4

15:40-22:57

2 stops38h 17m

Boise Air Term. Gowen Fld

Wed 6/5

16:38-14:40

2 stops15h 02m

£684

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 45 results
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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 18 February 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 35 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 £468
Virgin Atlantic
Virgin Atlantic
From £597
Lufthansa
Lufthansa
From £534
KLM
KLM
From £581

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 21 February 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
7.7
Good
1,457 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
7.7
Good
1,457 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
679 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
9,334 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
7.1
Good
615 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

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
7,794 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Crew

8.4

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 (15 hours 58 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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