$76 Cheap Flights from Portland (PDX) to Boise (BOI)

View $76 flight on Sat, Nov 1, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Boise Airport (BOI)

Cheap Flights from Portland to Boise (PDX-BOI)

Prices were available within the past 7 days and start at $76 for one-way flights and $116 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Wed, Oct 29 - Sat, Nov 1
PDX
Portland
BOI
Boise
$116 Roundtrip, found 12 hours ago
$116
Roundtrip
found 12 hours ago
Select Bargain Flight flight, departing Wed, Oct 29 from Portland to Boise, returning Sat, Nov 1, priced at $116 found 12 hours ago
Alaska Airlines
Sat, Nov 8 - Wed, Nov 12
PDX
Portland
BOI
Boise
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Nov 8 from Portland to Boise, returning Wed, Nov 12, priced at $117 just found
Southwest Airlines
Wed, Feb 25 - Tue, Mar 3
PDX
Portland
BOI
Boise
$136 Roundtrip, found 6 days ago
$136
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, Feb 25 from Portland to Boise, returning Tue, Mar 3, priced at $136 found 6 days ago
Delta
Wed, Nov 5 - Sat, Nov 8
PDX
Portland
BOI
Boise
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Nov 5 from Portland to Boise, returning Sat, Nov 8, priced at $137 found 1 hour ago
Alaska Airlines
Sat, Nov 1 - Sat, Nov 8
PDX
Portland
BOI
Boise
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Nov 1 from Portland to Boise, returning Sat, Nov 8, priced at $137 just found
United
Wed, Feb 25 - Tue, Mar 3
PDX
Portland
BOI
Boise
$150 Roundtrip, found 6 days ago
$150
Roundtrip
found 6 days ago
Select United flight, departing Wed, Feb 25 from Portland to Boise, returning Tue, Mar 3, priced at $150 found 6 days ago
Southwest Airlines
Tue, Dec 2 - Sat, Dec 6
PDX
Portland
BOI
Boise
$151 Roundtrip, just found
$151
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Dec 2 from Portland to Boise, returning Sat, Dec 6, priced at $151 just found
Alaska Airlines
Sat, Nov 1 - Sat, Nov 8
PDX
Portland
BOI
Boise
$152 Roundtrip, just found
$152
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Nov 1 from Portland to Boise, returning Sat, Nov 8, priced at $152 just found
Southwest Airlines
Wed, Nov 5 - Sat, Nov 8
PDX
Portland
BOI
Boise
$154 Roundtrip, found 1 hour ago
$154
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Nov 5 from Portland to Boise, returning Sat, Nov 8, priced at $154 found 1 hour ago
Southwest Airlines
Sat, Dec 6 - Tue, Dec 9
PDX
Portland
BOI
Boise
$156 Roundtrip, found 19 hours ago
$156
Roundtrip
found 19 hours ago
Select Southwest Airlines flight, departing Sat, Dec 6 from Portland to Boise, returning Tue, Dec 9, priced at $156 found 19 hours ago

Find the cheapest month to fly from Portland (PDX) to Boise (BOI)

November is typically the cheapest month to fly

From $99 - $300 per traveler.
Flights from Portland (PDX) to Boise (BOI)
Origin airport
Portland Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$116
Distance
342 mi
Average flight time
2 hours 15 mins

Portland to Boise Flights

The cheapest times to fly from Portland to Boise

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Boise are during the month of October. You can find some of the cheapest flights from Portland to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Boise

Sunday is one of the best days to book for cheap flights from Portland to Boise: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Boise

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $76 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Boise flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Boise airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Boise Airport (BOI) cost?
Lock in a cheap one-way flight from $76 or cheap return flight from $116 from Portland Intl. Airport (PDX) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Boise Airport (BOI)?
The cheapest month to fly from PDX to BOI is October, when there's less demand. Off-peak months are often when you'll find cheap fares for travel between these airports.
Which airlines fly direct from Portland Intl. Airport (PDX) to Boise Airport (BOI)?
When jetting out of Portland Intl. Airport (PDX), you can board a nonstop flight to Boise Airport (BOI) with Alaska Airlines.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Boise Airport (BOI)?
To find the cheapest airline flying from PDX to BOI, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Portland Intl. Airport (PDX) to Boise Airport (BOI)?
Every day, an average of 5 nonstop flights operate from Portland Intl. Airport (PDX) to Boise Airport (BOI). Select the departure date that best suits your plans.
What are the most popular departure times for flights from Portland Intl. Airport (PDX) to Boise Airport (BOI)?
More people fly between PDX and BOI at 10 AM than at any other time. Looking for a quieter experience? Travel outside of rush hours and you're likely to save on your fare as well.
What day of the week has the most flights from PDX to BOI?
If you jet off on a Friday, you'll get the widest range of options for flights from Portland Intl. Airport (PDX) to Boise Airport (BOI).
What is the earliest flight from Portland Intl. Airport (PDX) to Boise Airport (BOI)?
Portland Intl. Airport (PDX)'s earliest flight to Boise Airport (BOI) takes off at approximately 7:20AM UTC-8. With a travel time of 1h 8m, you'll touch down at around 9:28AM UTC-7.
How long does it take to fly from Portland Intl. Airport (PDX) to Boise Airport (BOI)?
It usually takes 1 hour and 9 minutes to cover the 340 mi from PDX to BOI.
What airline has the least delays from PDX to BOI?
With 86% of flights typically arriving on time, Alaska Airlines has the best on-time performance for nonstop flights from Portland Intl. Airport (PDX) to Boise Airport (BOI). To monitor your flight status and get notified if anything changes, simply head to the Expedia App.
What is the best time to fly from Portland Intl. Airport (PDX) to Boise Airport (BOI)?
To avoid potential delays on the Portland Intl. Airport (PDX) to Boise Airport (BOI) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Boise from Portland Intl. Airport (PDX)?
If you're traveling on a direct flight from Portland Intl. Airport (PDX) to Boise, Boise Airport (BOI) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Boise Airport (BOI) last-minute?
Holding off until just before your departure to book your flight from PDX to BOI often results in higher prices. While you may come across some last-minute discounts, there's no guarantee. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book a PDX to BOI flight and hotel package?
Securing a PDX to BOI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Boise Airport (BOI)?
It's generally possible to cancel or reschedule your PDX to BOI flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.