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$130+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BIL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$319
(Delta)

One-way from

$130
(Mytrip)

Popular in

February

Cheapest in

November

Average price

$417
From Boise Air Term. Gowen Fld to Billings Logan Intl
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One-way flight from Boise Air Term. Gowen Fld to Billings Logan Intl
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Highest demand for flights based on searches. 11% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 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 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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.
Sat 7/266:00 pmBOI - BIL
1 stop5h 07mDelta
Sat 8/25:20 amBIL - BOI
1 stop4h 06mDelta
Deal found 6/12$319
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 7/263:59 pmBOI - BIL
1 stop8h 09mAlaska Airlines
Sat 8/27:17 pmBIL - BOI
2 stops13h 56mAlaska Airlines
Deal found 6/12$401
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/209:43 amBOI - BIL
1 stop11h 51mMultiple Airlines
Sun 6/229:55 pmBIL - BOI
1 stop23h 52mMultiple Airlines
Deal found 6/11$421
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:51 amBOI - BIL
2 stops13h 12mUnited Airlines
Sun 7/135:00 amBIL - BOI
1 stop4h 46mUnited Airlines
Deal found 6/9$499
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/134:50 pmBOI - BIL
1 stop7h 18mHawaiian Airlines
Sat 6/143:45 pmBIL - BOI
1 stop3h 59mHawaiian Airlines
Deal found 6/11$736

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 June 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

Sat 7/26

6:00 pm-11:07 pm

1 stop5h 07m

Billings Logan Intl

Sat 8/2

5:20 am-9:26 am

1 stop4h 06m

$319

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Sat 7/26

3:59 pm-12:08 am

1 stop8h 09m

Billings Logan Intl

Sat 8/2

7:17 pm-9:13 am

2 stops13h 56m

$401

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Fri 6/20

9:43 am-9:34 pm

1 stop11h 51m

Billings Logan Intl

Sun 6/22

9:55 pm-9:47 pm

1 stop23h 52m

$421

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Fri 7/11

7:51 am-9:03 pm

2 stops13h 12m

Billings Logan Intl

Sun 7/13

5:00 am-9:46 am

1 stop4h 46m

$499

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Fri 7/4

10:31 pm-9:19 am

1 stop10h 48m

$130

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Wed 8/6

5:43 pm-12:08 am

1 stop6h 25m

$148

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Tue 8/5

6:00 pm-12:07 am

1 stop6h 07m

$149

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Mon 6/16

9:43 am-9:34 pm

1 stop11h 51m

$231

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Fri 7/4

7:15 pm-1:17 pm

3 stops18h 02m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, January is the cheapest month in which you can book a flight from Boise to Billings (average of $396). Flying from Boise to Billings in June is currently the most expensive (average of $517). 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 June 12, 2025.

It’s typically best to fly out from Boise to Billings in the evening. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Billings by month

Plan your trip to Billings by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Billings ranges from 0.5 - 2.2 inches per month. May is typically the wettest month, when rainfall can reach 2.2 in. January is typically the driest time to visit Billings when rainfall is around 0.5 in.

Temperature in Billings by month

Plan your trip to Billings by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Billings, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Boise to Billings. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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 Boise to Billings. 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 Boise to Billings round-trip?

    According to our current data, Delta ($319), Alaska Airlines ($401), and United Airlines ($499) offers the cheapest pricing from Boise to Billings. Delta is currently priced 20% 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 Allegiant Air, with whom users have recently found tickets for as low as $130. However, be on the lookout for offers from Alaska 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, January is the cheapest month in which you can book a flight from Boise to Billings (average of $396). Flying from Boise to Billings in June is currently the most expensive (average of $517). 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 2 airlines flying from Boise to Billings

Discover the top 2 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$283Average$399FlexibilityNo cancel feeOn-time75%
DeltaCheapest$288Average$363FlexibilityNo cancel feeOn-timeN/A

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