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$76+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
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 56 days in advance, depart on a Wednesday or Friday and return on a Thursday

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 October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$151
(Alaska Airlines)

One-way from

$76
(Southwest)

Popular in

December

Cheapest in

April

Average price

$243

Good round-trip deal

$207 or less

Good one-way deal

$139 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. 1% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 2, 2025.

This Southwest deal was found by Cheapflights users on 9/30. 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 11/156:40 amPDX - BOI
1 stop5h 15mSouthwest
Sat 11/153:25 pmBOI - PDX
1 stop4h 55mSouthwest
Deal found 9/30$151
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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 10/239:40 pmPDX - BOI
Nonstop1h 17mAlaska Airlines
Mon 10/274:20 pmBOI - PDX
Nonstop1h 25mAlaska Airlines
Deal found 10/1$152
This Trip.com deal was found by Cheapflights users on 9/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:36 pmPDX - BOI
Nonstop1h 23mHawaiian Airlines
Sun 11/25:54 amBOI - PDX
Nonstop1h 26mHawaiian Airlines
Deal found 9/30$153
This Southwest deal was found by Cheapflights users on 10/2. 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 11/511:30 amPDX - BOI
2 stops9h 55mSouthwest
Wed 11/122:30 pmBOI - PDX
1 stop6h 25mSouthwest
Deal found 10/2$156
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 10/249:40 pmPDX - BOI
Nonstop1h 17mAlaska Airlines
Mon 10/274:20 pmBOI - PDX
Nonstop1h 25mAlaska Airlines
Deal found 10/1$157
This Trip.com deal was found by Cheapflights users on 9/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:30 pmPDX - BOI
1 stop3h 50mHawaiian Airlines
Sun 11/25:28 amBOI - PDX
1 stop5h 04mHawaiian Airlines
Deal found 9/30$161
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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.
Wed 11/52:49 pmPDX - BOI
Nonstop1h 22mAlaska Airlines
Mon 11/1010:05 amBOI - PDX
1 stop3h 33mAlaska Airlines
Deal found 9/29$162
This Southwest deal was found by Cheapflights users on 9/30. 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 12/105:55 amPDX - BOI
1 stop8h 10mSouthwest
Sun 12/1411:30 amBOI - PDX
1 stop7h 50mSouthwest
Deal found 9/30$164
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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.
Mon 10/275:30 pmPDX - BOI
1 stop3h 50mAlaska Airlines
Tue 11/45:54 amBOI - PDX
Nonstop1h 26mAlaska Airlines
Deal found 10/2$167
This Southwest deal was found by Cheapflights users on 9/30. 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 11/511:30 amPDX - BOI
2 stops9h 55mSouthwest
Mon 11/105:40 pmBOI - PDX
1 stop7h 35mSouthwest
Deal found 9/30$169
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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.
Mon 10/275:30 pmPDX - BOI
1 stop3h 50mAlaska Airlines
Mon 11/36:28 amBOI - PDX
1 stop3h 38mAlaska Airlines
Deal found 9/30$171

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 October 2, 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

Sat 11/15

6:40 am-12:55 pm

1 stop5h 15m

Boise Air Term. Gowen Fld

Sat 11/15

3:25 pm-7:20 pm

1 stop4h 55m

$151

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 2/25

8:40 am-1:45 pm

1 stop4h 05m

Boise Air Term. Gowen Fld

Tue 3/3

8:20 pm-8:35 pm

Nonstop1h 15m

$152

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 11/5

1:38 pm-8:10 pm

1 stop5h 32m

Boise Air Term. Gowen Fld

Wed 11/12

4:20 pm-4:45 pm

Nonstop1h 25m

$152

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 11/8

5:30 am-11:01 am

1 stop4h 31m

Boise Air Term. Gowen Fld

Mon 11/10

7:45 pm-10:41 pm

1 stop3h 56m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 10/25

11:10 am-4:06 pm

1 stop3h 56m

Boise Air Term. Gowen Fld

Sun 10/26

5:25 am-8:37 am

1 stop4h 12m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 11/5

1:30 pm-8:16 pm

1 stop5h 46m

Boise Air Term. Gowen Fld

Mon 11/10

5:20 am-8:31 am

1 stop4h 11m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 10/31

9:36 pm-11:59 pm

Nonstop1h 23m

Boise Air Term. Gowen Fld

Sun 11/2

5:54 am-6:20 am

Nonstop1h 26m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 11/15

6:00 am-12:36 pm

1 stop5h 36m

Boise Air Term. Gowen Fld

Sat 11/15

4:06 pm-4:31 pm

Nonstop1h 25m

$161

PortlandBoise

PDX - BOI

PDXBOI

Portland

Mon 10/27

5:30 pm-10:20 pm

1 stop3h 50m

Boise Air Term. Gowen Fld

Tue 11/4

5:54 am-6:20 am

Nonstop1h 26m

$167

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 11/5

11:30 am-10:25 pm

2 stops9h 55m

Boise Air Term. Gowen Fld

Mon 11/10

7:10 pm-10:40 pm

1 stop4h 30m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Showing 1-10 of 20 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust 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 FlightHub the most. FlightHub 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 September 26, 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 56 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 $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 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 October 2, 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 at noon, 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 September 28, 2025.

Travelers seeking maximum savings on their Portland to Boise flight should consider departing on Wednesday at noon 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.

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 October 2, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Portland to Boise have to say. 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
10,996 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
10,996 reviews
Alaska Airlines
8.0
Very good
10,996 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,962 reviews
Alaska Airlines
8.0
Very good
10,996 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,762 reviews
Alaska Airlines
8.0
Very good
10,996 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Spirit Airlines
6.3
Okay
8,068 reviews
Alaska Airlines
8.0
Very good
10,996 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 14m for a nonstop flight. There are 4 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.

  • How long is the flight from Portland to Boise?

    Southwest, Alaska Airlines, and Delta can get you from Portland to Boise in just under 4h 05m. Your travel time can differ by up to 1h 10m. Airlines will cover a distance of 343 mi. This flight may include one or multiple stops.

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

    According to our current data, Spirit Airlines ($114), Hawaiian Airlines ($150), and Alaska Airlines ($153) offers the cheapest pricing from Portland to Boise. You may be able to fly from Portland to Boise for 57% 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 $76. Users have also found prices from $88 and $89 on Alaska Airlines and Delta, 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 (89%), Condor (89%) or Singapore Airlines (89%) 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 $249, our data indicates the cheapest price to be $98. 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 $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
Ontario
Meridian
Nampa
Caldwell
McCall

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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 October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$114Average$155FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$150Average$299FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$153Average$275FlexibilityNo cancel feeOn-time75%
DeltaCheapest$166Average$227FlexibilityNo cancel feeOn-timeN/A

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