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$79+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
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 June 14, 2025.

Round-trip from

$157
(Alaska Airlines)

One-way from

$79
(Southwest)

Popular in

December

Cheapest in

April

Average price

$316

Good round-trip deal

$217 or less

Good one-way deal

$159 or less
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. 4% potential increase in price ($12 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 June 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 June 14, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/13. 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.
Thu 8/212:30 pmPDX - BOI
Nonstop1h 20mAlaska Airlines
Mon 8/258:31 pmBOI - PDX
Nonstop1h 19mAlaska Airlines
Deal found 6/13$157
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amPDX - BOI
1 stop4h 20mSouthwest
Wed 11/121:25 pmBOI - PDX
2 stops7h 30mSouthwest
Deal found 6/11$162
This Hawaiian Airlines deal was found by Cheapflights users on 6/13. 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 8/224:46 pmPDX - BOI
1 stop4h 54mHawaiian Airlines
Sun 8/246:00 amBOI - PDX
Nonstop1h 20mHawaiian Airlines
Deal found 6/13$187
This Delta deal was found by Cheapflights users on 6/13. 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.
Tue 8/197:25 pmPDX - BOI
1 stop3h 25mDelta
Sat 8/236:00 amBOI - PDX
1 stop3h 51mDelta
Deal found 6/13$205
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/107:37 amPDX - BOI
1 stop5h 21mUnited Airlines
Thu 7/177:15 pmBOI - PDX
1 stop6h 20mUnited Airlines
Deal found 6/12$209
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1110:23 amPDX - BOI
1 stop7h 29mSpirit Airlines
Fri 7/187:48 pmBOI - PDX
1 stop19h 27mSpirit Airlines
Deal found 6/14$213
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 9/262:35 pmPDX - BOI
1 stop5h 09mMultiple Airlines
Sun 9/284:35 pmBOI - PDX
2 stops21h 55mMultiple Airlines
Deal found 6/11$265

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 June 14, 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

Thu 8/21

2:30 pm-4:50 pm

Nonstop1h 20m

Boise Air Term. Gowen Fld

Mon 8/25

8:31 pm-8:50 pm

Nonstop1h 19m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 8/22

2:55 pm-12:05 am

1 stop8h 10m

Boise Air Term. Gowen Fld

Sun 8/24

5:25 am-9:45 am

1 stop5h 20m

$177

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 8/22

4:46 pm-10:40 pm

1 stop4h 54m

Boise Air Term. Gowen Fld

Sun 8/24

6:00 am-6:20 am

Nonstop1h 20m

$187

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 8/19

7:25 pm-11:50 pm

1 stop3h 25m

Boise Air Term. Gowen Fld

Sat 8/23

6:00 am-8:51 am

1 stop3h 51m

$205

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 7/10

7:37 am-1:58 pm

1 stop5h 21m

Boise Air Term. Gowen Fld

Thu 7/17

7:15 pm-12:35 am

1 stop6h 20m

$209

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 7/11

10:23 am-6:52 pm

1 stop7h 29m

Boise Air Term. Gowen Fld

Fri 7/18

7:48 pm-2:15 pm

1 stop19h 27m

$213

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 7/11

3:10 pm-1:39 pm

2 stops21h 29m

Boise Air Term. Gowen Fld

Mon 7/14

7:48 pm-9:18 am

1 stop14h 30m

$270

PortlandBoise

PDX - BOI

PDXBOI

Portland

Tue 7/15

6:10 am-4:47 pm

2 stops9h 37m

Boise Air Term. Gowen Fld

Fri 8/1

5:17 pm-11:22 pm

1 stop7h 05m

$543

PortlandBoise

PDX - BOI

PDXBOI

Portland

Mon 8/4

6:20 am-11:55 am

1 stop4h 35m

$79

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 7/4

9:47 am-4:40 pm

1 stop5h 53m

$92

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 16 results
1
2

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 June 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 $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 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 June 14, 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 June 8, 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.

Weekly flight availability from Portland to Boise

Explore weekly flight availability from Portland to Boise. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 14, 2025.

The most flights from PDX to BOI are scheduled on a Tuesday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

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 14, 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

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

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

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

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
4,283 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

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
7,956 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,499 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

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
8,793 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

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 13m for a nonstop flight. There are 13 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 9 times in the past calendar month.

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

    According to our current data, Alaska Airlines ($157), Southwest ($162), and Hawaiian Airlines ($187) offers the cheapest pricing from Portland to Boise. You may be able to fly from Portland to Boise for 43% 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 Southwest. According to our data, you can fly for as low as $79. Users have also found prices from $92 and $98 on United Airlines and Spirit 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 SkyWest Airlines (96%), Horizon Air (92%) or Hawaiian Airlines (92%) 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 $238, our data indicates the cheapest price to be $119. The most popular route (Portland - Boise Air Term. Gowen Fld), is priced around $137.

  • 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 $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 Portland?

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

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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 June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$87Average$144FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$150Average$278FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$164Average$281FlexibilityNo cancel feeOn-time75%
DeltaCheapest$166Average$277FlexibilityNo cancel feeOn-timeN/A

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