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$165+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — BOI
jul. 21 — jul. 281
lun. 7/21
lun. 7/28
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 julio 16, 2025.

Round-trip from

$290
(Alaska Airlines)

One-way from

$165
(Delta)

Popular in

September

Cheapest in

December

Average price

$398
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. 8% potential increase in price ($36 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 July 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 julio 16, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
mié. 8/137:17 pmBIL - BOI
1 stop4h 54mAlaska Airlines
sáb. 8/166:00 amBOI - BIL
1 stop7h 23mAlaska Airlines
Deal found 7/14$290
This United Airlines deal was found by Cheapflights users on 7/16. 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.
mar. 8/52:35 pmBIL - BOI
1 stop6h 59mUnited Airlines
mar. 8/125:42 pmBOI - BIL
1 stop5h 05mUnited Airlines
Deal found 7/16$361
This Hawaiian Airlines deal was found by Cheapflights users on 7/14. 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.
mar. 7/296:00 amBIL - BOI
1 stop4h 45mHawaiian Airlines
sáb. 8/27:12 pmBOI - BIL
1 stop4h 56mHawaiian Airlines
Deal found 7/14$430
This Delta deal was found by Cheapflights users on 7/16. 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.
jue. 7/315:20 amBIL - BOI
1 stop4h 06mDelta
lun. 8/46:00 pmBOI - BIL
1 stop6h 07mDelta
Deal found 7/16$441

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 julio 16, 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

mié. 8/13

7:17 pm-12:11 am

1 stop4h 54m

Boise Air Term. Gowen Fld

sáb. 8/16

6:00 am-1:23 pm

1 stop7h 23m

$290

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

mar. 8/5

2:35 pm-9:34 pm

1 stop6h 59m

Boise Air Term. Gowen Fld

mar. 8/12

5:42 pm-10:47 pm

1 stop5h 05m

$361

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

mar. 7/29

6:00 am-10:45 am

1 stop4h 45m

Boise Air Term. Gowen Fld

sáb. 8/2

7:12 pm-12:08 am

1 stop4h 56m

$430

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

jue. 7/31

5:20 am-9:26 am

1 stop4h 06m

Boise Air Term. Gowen Fld

lun. 8/4

6:00 pm-12:07 am

1 stop6h 07m

$441

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

mié. 8/6

5:20 am-9:26 am

1 stop4h 06m

$165

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

jue. 8/14

6:00 am-10:45 am

1 stop4h 45m

$168

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

mié. 8/6

4:15 pm-9:34 pm

1 stop5h 19m

$196

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

mié. 8/6

5:00 am-7:44 pm

3 stops14h 44m

$480

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

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 $398). 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 julio 16, 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.

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 julio 16, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Billings to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,959 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,580 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,863 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 $290 on this airline. Additional options worth looking into are United Airlines and Hawaiian Airlines, starting at $361 and $430 round-trip. You may be able to fly from Billings to Boise for 31% less than the average price by searching for these airlines.

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

    $165 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $168 and $196, 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 $398). 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 Boise?

Book flights to Boise if you plan to visit one of these locations
Meridian
Nampa
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 julio 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$381FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$282Average$449FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$321Average$468FlexibilityNo cancel feeOn-time69%

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