$325 Cheap Flights from Bellingham (BLI) to Portland (PWM)

View $325 flight on Fri, Oct 24, 2025Opens in a new window

Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) to Portland Intl. Jetport Airport (PWM)

Cheap Flights from Bellingham to Portland (BLI-PWM)

Prices were available within the past 7 days and start at $325 for one-way flights and $588 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 21 - Sat, Nov 1
BLI
Bellingham
PWM
Portland
$588 Roundtrip, found 23 hours ago
$588
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Tue, Oct 21 from Bellingham to Portland, returning Sat, Nov 1, priced at $588 found 23 hours ago
American Airlines
Sat, Oct 18 - Sat, Nov 1
BLI
Bellingham
PWM
Portland
$617 Roundtrip, found 23 hours ago
$617
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Sat, Oct 18 from Bellingham to Portland, returning Sat, Nov 1, priced at $617 found 23 hours ago
American Airlines
Wed, Dec 31 - Sat, Jan 17
BLI
Bellingham
PWM
Portland
$637 Roundtrip, found 3 days ago
$637
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 31 from Bellingham to Portland, returning Sat, Jan 17, priced at $637 found 3 days ago
American Airlines
Mon, Jan 5 - Tue, Jan 20
BLI
Bellingham
PWM
Portland
$642 Roundtrip, found 3 days ago
$642
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jan 5 from Bellingham to Portland, returning Tue, Jan 20, priced at $642 found 3 days ago
American Airlines
Tue, Oct 14 - Sat, Oct 25
BLI
Bellingham
PWM
Portland
$647 Roundtrip, found 23 hours ago
$647
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Tue, Oct 14 from Bellingham to Portland, returning Sat, Oct 25, priced at $647 found 23 hours ago
American Airlines
Mon, Jan 5 - Thu, Jan 22
BLI
Bellingham
PWM
Portland
$652 Roundtrip, found 3 days ago
$652
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jan 5 from Bellingham to Portland, returning Thu, Jan 22, priced at $652 found 3 days ago
American Airlines
Tue, Oct 21 - Sat, Nov 1
BLI
Bellingham
PWM
Portland
$662 Roundtrip, found 2 days ago
$662
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 21 from Bellingham to Portland, returning Sat, Nov 1, priced at $662 found 2 days ago
American Airlines
Sat, Oct 18 - Wed, Oct 22
BLI
Bellingham
PWM
Portland
$667 Roundtrip, found 1 day ago
$667
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 18 from Bellingham to Portland, returning Wed, Oct 22, priced at $667 found 1 day ago
American Airlines
Fri, Oct 3 - Wed, Oct 22
BLI
Bellingham
PWM
Portland
$677 Roundtrip, found 23 hours ago
$677
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, Oct 3 from Bellingham to Portland, returning Wed, Oct 22, priced at $677 found 23 hours ago
Alaska Airlines
Wed, Jan 21 - Tue, Feb 3
BLI
Bellingham
PWM
Portland
$683 Roundtrip, found 3 days ago
$683
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Jan 21 from Bellingham to Portland, returning Tue, Feb 3, priced at $683 found 3 days ago

Frequently asked questions

How much does a flight from Bellingham Intl. Airport (BLI) to Portland Intl. Jetport Airport (PWM) cost?
Secure a cheap one-way flight from $325 or cheap return flight from $588 from Bellingham Intl. Airport (BLI) to Portland Intl. Jetport Airport (PWM) 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 Bellingham Intl. Airport (BLI) to Portland Intl. Jetport Airport (PWM)?
The cheapest month to fly from BLI to PWM is October, when demand is low. Off-peak season is usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Bellingham Intl. Airport (BLI) to Portland Intl. Jetport Airport (PWM)?
To find the cheapest airline that'll fly you from BLI to PWM, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Bellingham Intl. Airport (BLI) to Portland Intl. Jetport Airport (PWM)?
Direct flights from Bellingham Intl. Airport (BLI) to Portland Intl. Jetport Airport (PWM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BLI to PWM?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, season 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 Bellingham Intl. Airport (BLI) to Portland Intl. Jetport Airport (PWM)?
To arrive at Portland Intl. Jetport Airport (PWM) without delays, pick a flight that leaves Bellingham Intl. Airport (BLI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Bellingham Intl. Airport (BLI) to Portland Intl. Jetport Airport (PWM) last-minute?
Holding off until just before your trip to book your flight from BLI to PWM often results in higher prices. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your itinerary to boost your chances of getting a bargain.
Is it cheaper to book a BLI to PWM flight and hotel package?
Compared with arranging hotels and flights separately, booking a BLI to PWM flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Bellingham Intl. Airport (BLI) to Portland Intl. Jetport Airport (PWM)?
If you reserved your BLI to PWM flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Bellingham Intl.
Destination airport
Portland Intl. Jetport
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$588
Distance
2471 mi

Book with confidence

Book with confidence

Bellingham to Portland Flights

The cheapest times to fly from Bellingham 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 Bellingham to Portland are during the month of October. You can find some of the cheapest flights from Bellingham to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bellingham to Portland

Sunday is one of the best days to book for cheap flights from Bellingham 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 Bellingham 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 Bellingham to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $325 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 Bellingham 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 Bellingham 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.

 

Bellingham to Portland Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.