£441+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
29 May — 5 Jun1
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 April 2026.

Wed 4/1106:35
LHR
-
BOI
2 stops19h 41m
United Airlines
Sun 8/1116:05
BOI
-
LHR
1 stop32h 20m
United Airlines
Deal found 23/4£659
Wed 30/908:00
LHR
-
BOI
2 stops16h 58m
United Airlines
Sun 4/1019:05
BOI
-
LHR
1 stop29h 20m
United Airlines
Deal found 27/4£685
Wed 27/519:30
LHR
-
BOI
2 stops34h 28m
Scandinavian Airlines
Wed 3/615:23
BOI
-
LHR
2 stops41h 37m
Scandinavian Airlines
Deal found 27/4£704
Wed 27/511:40
LHR
-
BOI
1 stop19h 18m
Multiple Airlines
Wed 3/618:07
BOI
-
LHR
1 stop14h 28m
Multiple Airlines
Deal found 27/4£742
Thu 21/518:55
LHR
-
BOI
2 stops35h 03m
Multiple Airlines
Thu 4/608:38
BOI
-
LHR
2 stops22h 22m
Multiple Airlines
Deal found 25/4£756
Tue 9/617:00
LHR
-
BOI
1 stop13h 58m
Alaska Airlines
Tue 16/618:13
BOI
-
LHR
1 stop13h 52m
Alaska Airlines
Deal found 25/4£770
Sat 2/510:20
LGW
-
BOI
2 stops19h 42m
Multiple Airlines
Sun 10/509:02
BOI
-
LGW
2 stops22h 38m
Multiple Airlines
Deal found 27/4£789
Sat 2/510:20
LGW
-
BOI
2 stops19h 42m
Multiple Airlines
Sat 9/514:57
BOI
-
LGW
2 stops16h 43m
Multiple Airlines
Deal found 27/4£795
Mon 4/510:20
LGW
-
BOI
2 stops19h 42m
Multiple Airlines
Thu 14/513:31
BOI
-
LGW
2 stops22h 19m
Multiple Airlines
Deal found 27/4£798
Thu 30/415:40
LGW
-
BOI
2 stops38h 22m
Multiple Airlines
Sun 10/506:00
BOI
-
LGW
2 stops25h 40m
Multiple Airlines
Deal found 25/4£819
Fri 1/510:20
LGW
-
BOI
2 stops19h 42m
Multiple Airlines
Sun 10/509:02
BOI
-
LGW
2 stops26h 48m
Multiple Airlines
Deal found 25/4£831
Wed 27/510:20
LGW
-
BOI
2 stops20h 38m
Multiple Airlines
Wed 3/613:59
BOI
-
LGW
2 stops21h 46m
Multiple Airlines
Deal found 27/4£841

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 April 2026.

Return from

£685

One-way from

£394

Popular in

December

Cheapest in

January

Average price

£621
United Airlines
  • United Airlines
  • 30/9-4/10
  • 3 total stops
  • 46h 18m total
  • London to Boise
7/9
  • 7/9
  • 2 total stops
  • 55h 02m total
  • London to Boise
Highest demand for flights based on searches. 7% potential increase in price (£58 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£40 potential savings vs. average return price).
Average for return flights in April 2026

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 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 30/9

08:00-17:58

2 stops16h 58m

Boise Air Term. Gowen Fld

Sun 4/10

19:05-07:25

1 stop29h 20m

£685

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 27/5

07:25-21:40

2 stops21h 15m

Boise Air Term. Gowen Fld

Wed 3/6

08:30-06:45

1 stop15h 15m

£780

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 23/6

13:00-13:08

1 stop31h 08m

Boise Air Term. Gowen Fld

Sat 4/7

05:00-10:00

2 stops22h 00m

£801

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 23/6

11:25-17:56

1 stop13h 31m

Boise Air Term. Gowen Fld

Sun 5/7

10:20-20:40

2 stops27h 20m

£802

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 9/6

11:05-22:51

1 stop18h 46m

Boise Air Term. Gowen Fld

Tue 16/6

06:30-07:15

2 stops17h 45m

£811

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 8/6

14:05-16:44

2 stops33h 39m

Boise Air Term. Gowen Fld

Mon 15/6

17:46-06:30

2 stops29h 44m

£824

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Thu 11/6

06:55-17:56

2 stops18h 01m

Boise Air Term. Gowen Fld

Thu 18/6

17:46-07:55

2 stops31h 09m

£840

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Wed 27/5

10:20-23:58

2 stops20h 38m

Boise Air Term. Gowen Fld

Wed 3/6

13:59-18:45

2 stops21h 46m

£841

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Thu 21/5

10:20-22:24

2 stops19h 04m

Boise Air Term. Gowen Fld

Thu 4/6

09:00-14:40

2 stops22h 40m

£876

LondonBoise

LCY - BOI

LCYBOI

London City

Tue 23/6

09:15-22:51

2 stops20h 36m

Boise Air Term. Gowen Fld

Sun 5/7

12:38-17:55

2 stops46h 17m

£884

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 42 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?

The best time to book flights to Boise is 82 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 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 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 April 2026.
Read reviews from past customers who have flown United Airlines,Virgin Atlantic, 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.

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 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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