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$159+ Cheap flights from Billings to Boise (BIL - BOI)

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Billings to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$293
(Alaska Airlines)

One-way from

$159
(Alaska Airlines)

Popular in

September

Cheapest in

December

Average price

$456
From Billings Logan Intl to Boise Air Term. Gowen Fld
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One-way flight from Billings Logan Intl to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 9% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Billings to Boise

Cheapest flights from Billings to Boise
Explore the most affordable flight options available from Billings to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/263:43 pmBIL - BOI
1 stop4h 04mAlaska Airlines
Thu 8/286:35 amBOI - BIL
1 stop8h 28mAlaska Airlines
Deal found 6/11$293
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/35:20 amBIL - BOI
1 stop4h 09mDelta
Tue 7/86:00 pmBOI - BIL
1 stop6h 07mDelta
Deal found 6/11$329
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/285:00 amBIL - BOI
1 stop4h 46mUnited Airlines
Mon 7/287:15 pmBOI - BIL
2 stops16h 21mUnited Airlines
Deal found 6/10$591

Cheapflights Fare Finder

Customize your flight search to find flights from Billings to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Billings to Boise that are best for you.

Fly from

Billings

Fly to

Boise

Route

Depart

Return

Price

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Tue 8/26

3:43 pm-7:47 pm

1 stop4h 04m

Boise Air Term. Gowen Fld

Thu 8/28

6:35 am-3:03 pm

1 stop8h 28m

$293

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Thu 7/3

5:20 am-9:29 am

1 stop4h 09m

Boise Air Term. Gowen Fld

Tue 7/8

6:00 pm-12:07 am

1 stop6h 07m

$329

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Mon 7/28

5:00 am-9:46 am

1 stop4h 46m

Boise Air Term. Gowen Fld

Mon 7/28

7:15 pm-11:36 am

2 stops16h 21m

$591

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Wed 7/9

6:00 am-10:45 am

1 stop4h 45m

$159

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Fri 7/11

5:20 am-9:26 am

1 stop4h 06m

$169

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Thu 7/10

6:42 am-11:33 pm

2 stops16h 51m

$233

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Fri 6/20

10:24 pm-1:45 pm

2 stops15h 21m

$354

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Tue 6/17

7:17 pm-12:11 am

1 stop4h 54m

$368

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Fri 6/20

2:38 pm-9:44 pm

2 stops31h 06m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Billings to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Billings with our price prediction graph.
Estimated round-trip 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 from Billings to Boise

What is the cheapest month to book a flight from Billings to Boise?

Currently, October is the cheapest month in which you can book a flight from Billings to Boise (average of $314). Flying from Billings to Boise in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BIL to BOI?

Find hourly flight availability from Billings to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from Billings to Boise in the morning. Doing so could potentially save you 45% on the flight price compared to flying at noon, which is usually more expensive.

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 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Billings to Boise. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Billings to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Billings to Boise round-trip?

    Our cheapest airline available from Billings to Boise is Alaska Airlines. Our recent data shows that you can find tickets from as low as $293 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $329 and $591 round-trip. You may be able to fly from Billings to Boise for 30% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Billings to Boise one-way?

    $159 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $169 and $233, respectively.

  • Can I find deals for flights from Billings to Boise that include hotel bookings?

    Yes. In addition to deals on Billings to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Boise.

  • Can I find deals for business class flights from Billings to Boise?

    Yes. Cheapflights offers flight deals from Billings to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Billings to Boise?

    Currently, October is the cheapest month in which you can book a flight from Billings to Boise (average of $314). Flying from Billings to Boise in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Billings?

Book flights to Billings if you plan to visit one of these locations
Nampa
Meridian
Ontario
McCall
Caldwell

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Top 3 airlines flying from Billings to Boise

Discover the top 3 airlines that operate flights from Billings to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$351FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$282Average$449FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$321Average$468FlexibilityNo cancel feeOn-time69%

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