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$138+ Cheap flights from Boise to Billings (BOI - BIL)

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BIL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Boise to Billings

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

This Delta deal was found by Cheapflights users on 12/11. 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.
Fri 12/265:50 amBOI - BIL
1 stop5h 22mDelta
Tue 12/305:14 amBIL - BOI
1 stop4h 54mDelta
Deal found 12/11$471
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:41 pmBOI - BIL
1 stop17h 57mAllegiant Air
Sun 12/219:25 amBIL - BOI
1 stop11h 15mAllegiant Air
Deal found 12/11$476
This Delta deal was found by Cheapflights users on 12/9. 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.
Wed 12/316:19 pmBOI - BIL
1 stop4h 22mDelta
Sun 1/45:14 amBIL - BOI
1 stop4h 54mDelta
Deal found 12/9$559
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:50 amBOI - BIL
1 stop5h 22mDelta
Mon 12/295:14 amBIL - BOI
1 stop4h 54mDelta
Deal found 12/10$565
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:41 pmBOI - BIL
1 stop13h 01mAllegiant Air
Sun 12/1410:24 pmBIL - BOI
1 stop17h 20mAllegiant Air
Deal found 12/10$567
This Delta deal was found by Cheapflights users on 12/9. 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 12/1811:10 amBOI - BIL
1 stop6h 32mDelta
Tue 12/235:14 amBIL - BOI
1 stop4h 54mDelta
Deal found 12/9$642
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:19 pmBOI - BIL
1 stop4h 22mDelta
Fri 12/265:14 amBIL - BOI
1 stop4h 54mDelta
Deal found 12/10$659
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:41 pmBOI - BIL
1 stop13h 01mMultiple Airlines
Sun 12/1410:24 pmBIL - BOI
2 stops23h 27mMultiple Airlines
Deal found 12/10$685
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:15 amBOI - BIL
1 stop7h 09mUnited Airlines
Tue 12/306:35 amBIL - BOI
2 stops15h 55mUnited Airlines
Deal found 12/11$768
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/194:34 pmBOI - BIL
2 stops24h 04mMultiple Airlines
Sun 12/219:25 amBIL - BOI
1 stop11h 15mMultiple Airlines
Deal found 12/11$779
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:10 amBOI - BIL
1 stop4h 12mAlaska Airlines
Tue 12/166:00 amBIL - BOI
1 stop4h 34mAlaska Airlines
Deal found 12/11$786

Find flight deals from Boise to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Billings (BIL). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$336
(Alaska Airlines)

One-way from

$138
(Kiwi.com)

Popular in

September

Cheapest in

August

Average price

$508
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Billings Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Billings Logan Intl flights.
Search Deals
From Boise Air Term. Gowen Fld to Billings Logan Intl
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Billings 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 December 12, 2025.
Use the filters below to find and compare flights from Boise to Billings that are best for you.

Fly from

Boise

Fly to

Billings

Route

Depart

Return

Price

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Wed 4/1

6:00 pm-10:43 pm

1 stop4h 43m

Billings Logan Intl

Sun 4/5

1:55 pm-8:10 pm

1 stop6h 15m

$336

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Fri 12/26

5:50 am-11:12 am

1 stop5h 22m

Billings Logan Intl

Tue 12/30

5:14 am-10:08 am

1 stop4h 54m

$471

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Wed 12/31

6:19 pm-10:41 pm

1 stop4h 22m

Billings Logan Intl

Sun 1/4

5:14 am-10:08 am

1 stop4h 54m

$559

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Fri 12/26

6:15 am-1:24 pm

1 stop7h 09m

Billings Logan Intl

Tue 12/30

6:35 am-10:30 pm

2 stops15h 55m

$768

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Sat 1/24

5:55 pm-11:36 pm

1 stop5h 41m

$138

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Sat 1/24

5:00 pm-11:36 pm

2 stops6h 36m

$167

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Mon 2/16

6:20 pm-10:26 pm

1 stop4h 06m

$200

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Mon 2/16

4:30 pm-11:38 pm

2 stops31h 08m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Boise to Billings

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Billings in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Billings flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Billings flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Billings flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Billings flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Billings flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings from Boise 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 Boise to Billings

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

Currently, May is the cheapest month in which you can book a flight from Boise to Billings (average of $215). Flying from Boise to Billings in February is currently the most expensive (average of $554). 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 BOI to BIL?

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

It’s typically best to fly out from Boise to Billings in the evening. Doing so could potentially save you 32% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Boise to Billings?

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Boise to Billings. 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.
Alaska Airlines
8.0
Very good
11,429 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,429 reviews
Alaska Airlines
8.0
Very good
11,429 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,429 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,429 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

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

  • How long is the flight from Boise to Billings?

    For as low as $336, Alaska Airlines can have you in Billings from Boise in 4h 43m. There are 407 mi between Boise and Billings.

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

    According to our current data, United Airlines ($290), Delta ($304), and Alaska Airlines ($326) offers the cheapest pricing from Boise to Billings. United Airlines is currently priced 34% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $178. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Boise to Billings for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to Billings 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 Boise to Billings?

    Currently, May is the cheapest month in which you can book a flight from Boise to Billings (average of $215). Flying from Boise to Billings in February is currently the most expensive (average of $554). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Boise to Billings

Discover the top 3 airlines that operate flights from Boise to Billings. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$290Average$558FlexibilityNo cancel feeOn-time69%
DeltaCheapest$307Average$363FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$326Average$399FlexibilityNo cancel feeOn-time75%

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