$153 Cheap Flights from Boise (BOI) to Portland (PWM)

View $153 flight on Sat, Jan 17, 2026Opens in a new window

Popular airlines from Boise Airport (BOI) to Portland Intl. Jetport Airport (PWM)

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Cheap Flights from Boise to Portland (BOI-PWM)

Prices were available within the past 7 days and start at $153 for one-way flights and $318 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Dec 6 - Tue, Dec 9
BOI
Boise
PWM
Portland
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Dec 6 from Boise to Portland, returning Tue, Dec 9, priced at $318 found 1 day ago
Delta
Fri, Dec 5 - Sat, Dec 6
BOI
Boise
PWM
Portland
$328 Roundtrip, found 1 day ago
$328
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Dec 5 from Boise to Portland, returning Sat, Dec 6, priced at $328 found 1 day ago
Delta
Tue, Dec 9 - Mon, Dec 15
BOI
Boise
PWM
Portland
$348 Roundtrip, found 2 days ago
$348
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 9 from Boise to Portland, returning Mon, Dec 15, priced at $348 found 2 days ago
Delta
Tue, Dec 9 - Sat, Dec 13
BOI
Boise
PWM
Portland
$355 Roundtrip, found 2 days ago
$355
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 9 from Boise to Portland, returning Sat, Dec 13, priced at $355 found 2 days ago
Delta
Mon, Dec 8 - Mon, Dec 15
BOI
Boise
PWM
Portland
$358 Roundtrip, found 3 days ago
$358
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Dec 8 from Boise to Portland, returning Mon, Dec 15, priced at $358 found 3 days ago
Delta
Mon, Dec 8 - Tue, Dec 16
BOI
Boise
PWM
Portland
$358 Roundtrip, found 3 days ago
$358
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Dec 8 from Boise to Portland, returning Tue, Dec 16, priced at $358 found 3 days ago
American Airlines
Fri, Jan 16 - Tue, Jan 20
BOI
Boise
PWM
Portland
$359 Roundtrip, found 3 days ago
$359
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jan 16 from Boise to Portland, returning Tue, Jan 20, priced at $359 found 3 days ago
Southwest Airlines
Thu, Dec 11 - Tue, Dec 16
BOI
Boise
PWM
Portland
$364 Roundtrip, found 2 days ago
$364
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Dec 11 from Boise to Portland, returning Tue, Dec 16, priced at $364 found 2 days ago
United
Mon, Feb 9 - Fri, Feb 13
BOI
Boise
PWM
Portland
$782 Roundtrip, just found
$782
Roundtrip
just found
Select United flight, departing Mon, Feb 9 from Boise to Portland, returning Fri, Feb 13, priced at $782 just found
Alaska Airlines
Sat, Dec 20 - Sun, Dec 28
BOI
Boise
PWM
Portland
$2,275 Roundtrip, just found
$2,275
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Dec 20 from Boise to Portland, returning Sun, Dec 28, priced at $2,275 just found

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

August is typically the cheapest month to fly

From $237 - $2,039 per traveler.

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. Jetport PWM. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $465
PWM
Portland Intl. Jetport
CheapestClosest
Average driving time to city center8 min
Flights from $465

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Portland Intl. Jetport Airport (PWM) cost?
Grab a cheap one-way flight from $153 or cheap return flight from $318 from Boise Airport (BOI) to Portland Intl. Jetport Airport (PWM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Portland Intl. Jetport Airport (PWM)?
December is the cheapest month to fly from BOI to PWM. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Boise Airport (BOI) to Portland Intl. Jetport Airport (PWM)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from BOI to PWM. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Boise Airport (BOI) to Portland Intl. Jetport Airport (PWM)?
You'll have to catch a flight with a layover if you're traveling from Boise Airport (BOI) to Portland Intl. Jetport Airport (PWM). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from BOI to PWM?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Portland Intl. Jetport Airport (PWM)?
Book a flight from Boise Airport (BOI) to Portland Intl. Jetport Airport (PWM) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**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.
Is it cheaper to buy a plane ticket from Boise Airport (BOI) to Portland Intl. Jetport Airport (PWM) last-minute?
Booking your flight from BOI to PWM just before your getaway is typically more expensive. But if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a BOI to PWM flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOI to PWM flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Simply pick your flights and select from our extensive range of stays, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Portland Intl. Jetport Airport (PWM)?
Typically, you can cancel or reschedule your BOI to PWM flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further details, visit our Customer Service portal.

Travel information

Origin airport
Boise
Destination airport
Portland Intl. Jetport
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$317
Distance
2266 mi

Book with confidence

Boise to Portland Flights

The cheapest times to fly from Boise to Portland

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 Boise to Portland are during the month of December. You can find some of the cheapest flights from Boise to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to Portland

Sunday is one of the best days to book for cheap flights from Boise to Portland: 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 Boise to Portland

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 Boise to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $153 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 Boise to Portland 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 Boise to Portland 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.

 

Boise to Portland Flights

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*Available to One Key members.