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$81+ Cheap flights from Portland to Boise (PDX - 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Boise Air Term. Gowen Fld are usually found in April or January, booked 63 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Portland to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 May 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$191
(Frontier)

One-way from

$81
(Spirit)

Popular in

December

Cheapest in

April

Average price

$267

Good round-trip deal

$187 or less

Good one-way deal

$159 or less
Provider with most accurate pricing for Portland-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Portland-Boise Air Term. Gowen Fld flights.
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From Portland to Boise Air Term. Gowen Fld
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One-way flight from Portland to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 5% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Portland to Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from Portland to Boise Air Term. Gowen Fld.
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Find flight deals from Portland to Boise

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

This Delta deal was found by Cheapflights users on 5/11. 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 8/295:45 pmPDX - BOI
1 stop5h 19mDelta
Sun 8/317:30 amBOI - PDX
1 stop3h 54mDelta
Deal found 5/11$177
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/186:35 amPDX - BOI
1 stop6h 02mFrontier
Tue 5/202:27 pmBOI - PDX
1 stop10h 00mFrontier
Deal found 5/11$191
This FlightHub deal was found by Cheapflights users on 5/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3112:30 pmPDX - BOI
1 stop22h 17mMultiple Airlines
Mon 6/212:16 pmBOI - PDX
1 stop25h 26mMultiple Airlines
Deal found 5/11$201
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/36:39 pmPDX - BOI
1 stop13h 09mSpirit Airlines
Mon 7/79:43 amBOI - PDX
1 stop9h 14mSpirit Airlines
Deal found 5/12$205
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Sun 6/19:54 amPDX - BOI
1 stop5h 47mUnited Airlines
Sun 6/87:07 pmBOI - PDX
1 stop6h 23mUnited Airlines
Deal found 5/11$217
This Southwest deal was found by Cheapflights users on 5/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/216:40 amPDX - BOI
1 stop8h 20mSouthwest
Wed 6/256:15 pmBOI - PDX
1 stop4h 45mSouthwest
Deal found 5/11$222
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 9/57:02 amPDX - BOI
Nonstop1h 18mAlaska Airlines
Mon 9/86:00 amBOI - PDX
Nonstop1h 20mAlaska Airlines
Deal found 5/11$237
This flugladen.de deal was found by Cheapflights users on 5/11. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/57:15 amPDX - BOI
Nonstop1h 10mHawaiian Airlines
Sun 6/88:34 pmBOI - PDX
Nonstop1h 16mHawaiian Airlines
Deal found 5/11$273

Cheapflights Fare Finder

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

Fly from

Portland

Fly to

Boise

Route

Depart

Return

Price

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 8/29

5:45 pm-12:04 am

1 stop5h 19m

Boise Air Term. Gowen Fld

Sun 8/31

7:30 am-10:24 am

1 stop3h 54m

$177

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 5/24

12:48 pm-11:51 am

1 stop22h 03m

Boise Air Term. Gowen Fld

Tue 5/27

12:36 pm-11:04 pm

1 stop11h 28m

$191

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 5/31

12:30 pm-11:47 am

1 stop22h 17m

Boise Air Term. Gowen Fld

Mon 6/2

12:16 pm-12:42 pm

1 stop25h 26m

$201

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 7/3

6:39 pm-8:48 am

1 stop13h 09m

Boise Air Term. Gowen Fld

Mon 7/7

9:43 am-5:57 pm

1 stop9h 14m

$205

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sun 6/1

9:54 am-4:41 pm

1 stop5h 47m

Boise Air Term. Gowen Fld

Sun 6/8

7:07 pm-12:30 am

1 stop6h 23m

$217

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 6/21

6:40 am-4:00 pm

1 stop8h 20m

Boise Air Term. Gowen Fld

Wed 6/25

6:15 pm-10:00 pm

1 stop4h 45m

$222

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 9/5

7:02 am-9:20 am

Nonstop1h 18m

Boise Air Term. Gowen Fld

Mon 9/8

6:00 am-6:20 am

Nonstop1h 20m

$237

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 6/5

7:15 am-9:25 am

Nonstop1h 10m

Boise Air Term. Gowen Fld

Sun 6/8

8:34 pm-8:50 pm

Nonstop1h 16m

$273

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 7/15

3:15 pm-11:33 pm

1 stop7h 18m

Boise Air Term. Gowen Fld

Fri 8/1

1:48 pm-10:14 pm

2 stops9h 26m

$605

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 6/12

6:39 pm-8:48 am

1 stop13h 09m

$81

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 18 results
1
2

Compare providers for flights from Portland to Boise

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 Portland to Boise in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*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 Portland-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Boise 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 Portland-Boise 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 Portland to Boise

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

How far ahead should I book a flight from Portland to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Boise. Price data was last updated on May 9, 2025.

The price you pay for your flight from Portland to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Portland to Boise (average of $314). Flying from Portland to Boise in June is currently the most expensive (average of $399). 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 PDX to BOI?

Find hourly flight availability from Portland 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 May 12, 2025.

When flying from Portland to Boise, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 23% versus a flight in the afternoon.

What is the cheapest day to fly from Portland to Boise?

Use this chart to determine the cheapest time to fly round-trip from Portland to Boise. Price data was last updated on May 11, 2025.

Travelers seeking maximum savings on their Portland to Boise flight should consider departing on Monday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 May 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Portland to Boise. 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

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.9

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

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.9

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

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.9

Overall

8.0

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
2,431 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.9

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
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.9

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 Portland to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Portland to Boise?

    If you book a flight from Portland to Boise, you will be flying from Portland to Air Term. Gowen Fld. Flights to Boise Air Term. Gowen Fld (BOI) from Portland (PDX) take 1h 10m for a nonstop flight. There are 11 flights from Portland to Boise per day from 4 airlines.

  • How popular is this Portland to Boise flight route?

    Flights from Portland to Boise Air Term. Gowen Fld have been viewed 13 times in the past calendar month.

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

    According to our current data, Frontier ($191), Spirit Airlines ($205), and United Airlines ($217) offers the cheapest pricing from Portland to Boise. You may be able to fly from Portland to Boise for 29% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $81. Users have also found prices from $101 and $109 on Frontier and United Airlines, respectively.

  • What are the most reliable airlines from Portland to Boise?

    No one likes to see their flight delayed. When booking a flight from Portland to Boise consider choosing Horizon Air (92%), Singapore Airlines (92%) or Alaska Airlines (91%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portland to Boise?

    Looking for the cheapest flight from Portland to Boise? While on average our users pay $288, our data indicates the cheapest price to be $68. The most popular route (Portland - Boise Air Term. Gowen Fld), is priced around $177.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Portland to Boise (average of $314). Flying from Portland to Boise in June is currently the most expensive (average of $399). 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 Portland?

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

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Top 4 airlines flying from Portland to Boise

Discover the top 4 airlines that operate flights from Portland 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$84Average$141FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$147Average$267FlexibilityNo cancel feeOn-time85%
DeltaCheapest$166Average$286FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$167Average$282FlexibilityNo cancel feeOn-time75%

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