$134 Cheap Alaska Airlines flights Portland (PDX) to Boston (BOS)

Landing cheap one-way Alaska Airlines flights from PDX to BOS from $134 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $220 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Search for affordable Alaska Airlines flights from Portland Intl. Airport (PDX) to Logan Intl. Airport (BOS) one to three months ahead of your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The first flight from PDX to BOS with Alaska Airlines departs at 7:00AM UTC-8. You'll land at 3:29PM UTC-5. The final Alaska Airlines flight of the day leaves at 7:00AM UTC-8 and arrives at 3:29PM UTC-5. With 20% fewer cancellations for morning and mid-morning flights, beginning your travel day early is generally the best choice.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Heading from PDX to BOS with Alaska Airlines comes with plenty of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That's on top of the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.