HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$74+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BOI
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Boise with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Portland to Boise Air Term. Gowen Fld are usually found in April or September, booked 62 days in advance, depart on a Wednesday or Thursday 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 January 18, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$147
(Delta)

One-way from

$74
(Delta)

Popular in

November

Cheapest in

April

Average price

$267

Good round-trip deal

$187 or less

Good one-way deal

$167 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. 8% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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

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 January 18, 2026.

This Delta deal was found by Cheapflights users on 1/16. 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.
Sat 2/141:27 pm
PDX
-
BOI
1 stop5h 48m
Delta
Tue 2/175:15 pm
BOI
-
PDX
1 stop4h 40m
Delta
Deal found 1/16$147
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/72:35 pm
PDX
-
BOI
1 stop3h 35m
Hawaiian Airlines
Sun 2/86:23 am
BOI
-
PDX
1 stop4h 06m
Hawaiian Airlines
Deal found 1/17$148
This Trip.com deal was found by Cheapflights users on 1/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
PDX
-
BOI
Nonstop1h 22m
Alaska Airlines
Fri 5/85:50 am
BOI
-
PDX
Nonstop1h 24m
Alaska Airlines
Deal found 1/18$152
This Southwest deal was found by Cheapflights users on 1/15. 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 4/111:45 am
PDX
-
BOI
2 stops11h 05m
Southwest
Wed 4/225:15 pm
BOI
-
PDX
1 stop6h 55m
Southwest
Deal found 1/15$156
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/192:48 pm
PDX
-
BOI
Nonstop1h 22m
Alaska Airlines
Mon 5/115:50 am
BOI
-
PDX
Nonstop1h 24m
Alaska Airlines
Deal found 1/18$157
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:35 pm
PDX
-
BOI
1 stop3h 49m
Multiple Airlines
Tue 5/55:50 am
BOI
-
PDX
Nonstop1h 24m
Multiple Airlines
Deal found 1/18$161
This Southwest deal was found by Cheapflights users on 1/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2511:45 am
PDX
-
BOI
1 stop10h 25m
Southwest
Tue 3/3112:25 pm
BOI
-
PDX
1 stop12h 10m
Southwest
Deal found 1/16$162
This Southwest deal was found by Cheapflights users on 1/15. 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.
Mon 2/96:00 am
PDX
-
BOI
2 stops7h 45m
Southwest
Wed 2/114:00 pm
BOI
-
PDX
1 stop5h 30m
Southwest
Deal found 1/15$164
This Delta deal was found by Cheapflights users on 1/15. 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.
Sun 3/297:43 pm
PDX
-
BOI
1 stop3h 11m
Delta
Sun 4/55:50 am
BOI
-
PDX
1 stop3h 34m
Delta
Deal found 1/15$167
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:35 pm
PDX
-
BOI
1 stop3h 49m
Multiple Airlines
Thu 5/75:50 am
BOI
-
PDX
Nonstop1h 24m
Multiple Airlines
Deal found 1/18$171
This Southwest deal was found by Cheapflights users on 1/15. 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.
Mon 4/274:55 pm
PDX
-
BOI
1 stop7h 05m
Southwest
Thu 4/302:15 pm
BOI
-
PDX
2 stops9h 25m
Southwest
Deal found 1/15$172
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/192:48 pm
PDX
-
BOI
Nonstop1h 22m
Multiple Airlines
Sat 5/96:00 am
BOI
-
PDX
1 stop4h 31m
Multiple Airlines
Deal found 1/18$176

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 January 18, 2026.
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

Wed 3/4

9:40 pm-11:59 pm

Nonstop1h 19m

Boise Air Term. Gowen Fld

Mon 3/9

8:20 pm-8:47 pm

Nonstop1h 27m

$147

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 2/7

1:30 pm-6:28 pm

1 stop3h 58m

Boise Air Term. Gowen Fld

Tue 2/10

5:15 pm-8:59 pm

1 stop4h 44m

$147

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 2/7

1:30 pm-8:12 pm

1 stop5h 42m

Boise Air Term. Gowen Fld

Sun 2/8

1:40 pm-6:50 pm

1 stop6h 10m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Mon 2/9

5:30 am-9:57 am

1 stop3h 27m

Boise Air Term. Gowen Fld

Wed 2/11

7:25 am-10:07 am

1 stop3h 42m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 3/4

11:35 am-6:22 pm

1 stop5h 47m

Boise Air Term. Gowen Fld

Mon 3/9

12:45 pm-6:15 pm

1 stop6h 30m

$157

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 4/1

11:45 am-11:50 pm

2 stops11h 05m

Boise Air Term. Gowen Fld

Wed 4/22

2:00 pm-8:30 pm

2 stops7h 30m

$162

PortlandBoise

PDX - BOI

PDXBOI

Portland

Sat 2/7

5:40 pm-8:04 pm

Nonstop1h 24m

Boise Air Term. Gowen Fld

Tue 2/10

6:23 am-9:29 am

1 stop4h 06m

$167

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 3/5

3:59 pm-9:56 pm

1 stop4h 57m

Boise Air Term. Gowen Fld

Fri 3/6

5:15 pm-8:55 pm

1 stop4h 40m

$167

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 4/2

5:36 pm-10:08 pm

1 stop3h 32m

Boise Air Term. Gowen Fld

Fri 4/10

5:50 am-8:24 am

1 stop3h 34m

$167

PortlandBoise

PDX - BOI

PDXBOI

Portland

Fri 3/13

5:36 pm-10:07 pm

1 stop3h 31m

Boise Air Term. Gowen Fld

Mon 3/16

6:15 pm-11:54 pm

1 stop6h 39m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Boise flight deals on Cheapflights vs. eDreams >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 January 16, 2026.

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 62 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, September is the cheapest month in which you can book a flight from Portland to Boise (average of $121). Flying from Portland to Boise in July is currently the most expensive (average of $198). 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 January 18, 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 morning, which can drop the price by up to 8% versus a flight in the evening.

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 January 10, 2026.

Travelers seeking maximum savings on their Portland to Boise flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday evenings 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 January 18, 2026.
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
11,745 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,745 reviews
Alaska Airlines
8.0
Very good
11,745 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,075 reviews
Alaska Airlines
8.0
Very good
11,745 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very good
11,745 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 16m for a nonstop flight. There are 7 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 5 times in the past calendar month.

  • How long is the flight from Portland to Boise?

    Alaska Airlines and Delta can get you from Portland to Boise in just under 1h 19m. Your travel time can differ by up to 2h 39m. 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 ($136), Alaska Airlines ($138), and Hawaiian Airlines ($138) offers the cheapest pricing from Portland to Boise. You may be able to fly from Portland to Boise for 48% 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 Delta. According to our data, you can fly for as low as $73. Users have also found prices from $75 and $78 on Southwest and Hawaiian 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 (98%), Horizon Air (87%) or British Airways (86%) 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 $236, our data indicates the cheapest price to be $128. The most popular route (Portland - Boise Air Term. Gowen Fld), is priced around $147.

  • 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, September is the cheapest month in which you can book a flight from Portland to Boise (average of $121). Flying from Portland to Boise in July is currently the most expensive (average of $198). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$136Average$206FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$137Average$277FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$138Average$296FlexibilityNo cancel feeOn-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.