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$104+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Find cheap flights from Portland to Boise with Cheapflights

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Cheapflights Tip: The best prices from Portland to Boise Air Term. Gowen Fld are usually found in April or February, booked 70 days in advance, depart on a Saturday or Thursday and return on a Thursday

Cheap 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 July 21, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/19. 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.
Tue 10/132:48 pm
PDX
-
BOI
Nonstop1h 19m
Alaska Airlines
Sat 10/178:23 pm
BOI
-
PDX
Nonstop1h 27m
Alaska Airlines
Deal found 7/19$197
This Booking.com deal was found by Cheapflights users on 7/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:47 am
PDX
-
BOI
Nonstop1h 34m
Alaska Airlines
Sat 9/124:27 pm
BOI
-
PDX
Nonstop1h 18m
Alaska Airlines
Deal found 7/18$199
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 9/510:47 am
PDX
-
BOI
Nonstop1h 25m
Alaska Airlines
Fri 9/114:27 pm
BOI
-
PDX
Nonstop1h 18m
Alaska Airlines
Deal found 7/20$207
This Orbitz deal was found by Cheapflights users on 7/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:33 pm
PDX
-
BOI
Nonstop1h 22m
Alaska Airlines
Sat 9/261:31 pm
BOI
-
PDX
Nonstop1h 18m
Alaska Airlines
Deal found 7/17$209
This Booking.com deal was found by Cheapflights users on 7/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:33 pm
PDX
-
BOI
Nonstop1h 22m
Alaska Airlines
Mon 8/241:32 pm
BOI
-
PDX
Nonstop1h 18m
Alaska Airlines
Deal found 7/19$212
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:47 am
PDX
-
BOI
Nonstop1h 25m
Alaska Airlines
Mon 9/76:00 am
BOI
-
PDX
Nonstop1h 20m
Alaska Airlines
Deal found 7/16$217
This Expedia deal was found by Cheapflights users on 7/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:33 pm
PDX
-
BOI
Nonstop1h 22m
Alaska Airlines
Thu 10/85:56 am
BOI
-
PDX
Nonstop1h 24m
Alaska Airlines
Deal found 7/17$220
This Southwest deal was found by Cheapflights users on 7/20. 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 8/2211:20 am
PDX
-
BOI
2 stops9h 40m
Southwest
Sun 8/232:25 pm
BOI
-
PDX
1 stop7h 20m
Southwest
Deal found 7/20$222
This CheapOair deal was found by Cheapflights users on 7/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am
PDX
-
BOI
Nonstop1h 34m
Alaska Airlines
Tue 9/14:28 pm
BOI
-
PDX
Nonstop1h 18m
Alaska Airlines
Deal found 7/17$223
This Southwest deal was found by Cheapflights users on 7/20. 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.
Tue 8/187:50 am
PDX
-
BOI
1 stop6h 10m
Southwest
Tue 8/253:40 pm
BOI
-
PDX
1 stop7h 40m
Southwest
Deal found 7/20$225
This Delta deal was found by Cheapflights users on 7/20. 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 8/2111:22 am
PDX
-
BOI
1 stop4h 57m
Delta
Mon 8/243:29 pm
BOI
-
PDX
1 stop5h 15m
Delta
Deal found 7/20$227
This Southwest deal was found by Cheapflights users on 7/19. 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.
Tue 9/1511:35 am
PDX
-
BOI
2 stops10h 45m
Southwest
Thu 9/171:55 pm
BOI
-
PDX
1 stop9h 15m
Southwest
Deal found 7/19$228

Find 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 July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Alaska Airlines)

One-way from

$104
(United Airlines)

Popular in

July

Cheapest in

April

Average price

$370

Good round-trip deal

$287 or less

Good one-way deal

$278 or less
Provider with most accurate pricing for Portland-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Boise Air Term. Gowen Fld flights.
Search Deals
From Portland to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Portland to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Portland to Boise Air Term. Gowen Fld.
Search Deals
Price to beat on a one-way flight from Portland to Boise Air Term. Gowen Fld.
Search Deals

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 July 21, 2026.
Use the filters below to find and compare flights from Portland to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 8/27

12:25 pm-6:48 pm

1 stop5h 23m

Boise Air Term. Gowen Fld

Tue 9/1

3:29 pm-7:44 pm

1 stop5h 15m

$217

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 8/19

11:35 am-11:20 pm

2 stops10h 45m

Boise Air Term. Gowen Fld

Mon 8/24

3:50 pm-11:15 pm

2 stops8h 25m

$227

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 9/18

12:34 pm-6:39 pm

1 stop5h 05m

Boise Air Term. Gowen Fld

Sun 9/20

6:45 am-10:40 am

1 stop4h 55m

$227

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 9/24

5:35 am-1:15 pm

1 stop6h 40m

Boise Air Term. Gowen Fld

Mon 9/28

3:50 pm-11:15 pm

2 stops8h 25m

$232

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 8/14

9:00 am-3:31 pm

1 stop5h 31m

Boise Air Term. Gowen Fld

Sun 8/16

6:15 am-10:11 am

1 stop4h 56m

$243

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 8/14

3:25 pm-11:55 pm

1 stop7h 30m

Boise Air Term. Gowen Fld

Sun 8/16

7:00 am-1:20 pm

2 stops7h 20m

$248

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 8/19

10:47 am-1:21 pm

Nonstop1h 34m

Boise Air Term. Gowen Fld

Mon 8/24

6:49 pm-4:53 pm

1 stop23h 04m

$260

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 8/27

5:35 am-1:15 pm

1 stop6h 40m

Boise Air Term. Gowen Fld

Mon 8/31

3:50 pm-9:45 pm

2 stops6h 55m

$267

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 8/21

9:33 pm-11:55 pm

Nonstop1h 22m

Boise Air Term. Gowen Fld

Mon 8/24

6:49 pm-4:53 pm

1 stop23h 04m

$270
Quickest round-trip

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sun 8/16

7:00 am-3:45 pm

1 stop7h 45m

Boise Air Term. Gowen Fld

Sun 8/23

6:00 am-6:20 am

Nonstop1h 20m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Showing 1-10 of 20 resultsSorted by cheapest first
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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy1 starTrust 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?

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 69 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, April is the cheapest month in which you can book a flight from Portland to Boise (average of $197). Flying from Portland to Boise in July is currently the most expensive (average of $370). 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 July 21, 2026.

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 14% versus a flight in the morning.

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 July 18, 2026.

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

How much does it cost to fly round-trip from Portland to Boise?

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 July 21, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian 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
7.9
Good
12,683 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Alaska Airlines
7.9
Good
12,683 reviews
Alaska Airlines
7.9
Good
12,683 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Delta
7.8
Good
8,475 reviews
Alaska Airlines
7.9
Good
12,683 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Hawaiian Airlines
7.8
Good
2,823 reviews
Alaska Airlines
7.9
Good
12,683 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

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 18m for a nonstop flight. There are 5 flights from Portland to Boise per day from 3 airlines.

  • How popular is this Portland to Boise flight route?

    Flights from Portland to Boise Air Term. Gowen Fld have been viewed 3 times in the past calendar month.

  • How long is the flight from Portland to Boise?

    Delta, Southwest, and United Airlines can get you from Portland to Boise in just under 5h 23m. Your travel time can differ by up to 5h 22m. 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, Delta ($83), Hawaiian Airlines ($117), and Alaska Airlines ($137) offers the cheapest pricing from Portland to Boise. You may be able to fly from Portland to Boise for 70% 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 $75. Users have also found prices from $78 and $88 on Hawaiian Airlines 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 (88%), Alaska Airlines (84%) or British Airways (78%) 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 $340, our data indicates the cheapest price to be $173. The most popular route (Portland - Boise Air Term. Gowen Fld), is priced around $207.

  • 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, April is the cheapest month in which you can book a flight from Portland to Boise (average of $197). Flying from Portland to Boise in July is currently the most expensive (average of $370). 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
Caldwell
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Top 3 airlines flying from Portland to Boise

Discover the top 3 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 July 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$83Average$206FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$117Average$297FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$137Average$286FlexibilityNo cancel feeOn-time75%

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