Cheap Alaska Airlines flights Santa Rosa (STS) to Portland (PDX)

Landing cheap one-way Alaska Airlines flights from STS to PDX on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly return fares for your next exciting vacation.**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.

Browse for one-way or round-trip flights to Portland in January or December. You could find cheaper fares with Alaska Airlines during these off-peak travel months.

For cheap Alaska Airlines fares from Sonoma County Airport (STS) to Portland Intl. Airport (PDX), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall cost. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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.

Book a seat on one of Alaska Airlines’s 7 direct weekly flights from Sonoma County Airport (STS) to Portland Intl. Airport (PDX). To see your choices, enter your destination, origin and dates and hit search. Then select the “Nonstop” and “Airline” filters.

On average, it takes 1h 33m to travel nonstop from Sonoma County Airport (STS) to Portland Intl. Airport (PDX) with Alaska Airlines.

The earliest flight from STS to PDX with Alaska Airlines leaves at 11:12AM UTC-8. You’ll land at 12:45PM UTC-8. The last Alaska Airlines flight of the day takes off at 11:12AM UTC-8 and arrives at 12:45PM UTC-8. With approximately 20% fewer cancellations for morning and mid-morning departures, setting off early is usually the smartest 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.

Alaska Airlines flights from Sonoma County Airport (STS) to Portland touch down at Portland Intl. Airport (PDX). This is the main gateway here.

With an excellent in-flight experience and a rewarding loyalty program, Alaska Airlines is a top choice for many passengers heading from STS to PDX. Also, if you’re a Mileage Plan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Alaska Airlines typically operates Embraer 175 planes for journeys from Sonoma County Airport (STS) to Portland Intl. Airport (PDX). Keep in mind that aircraft type can vary depending on operational demands, so the plane you’ll be on might be different on the day.

Depending on your fare type, a fee is typically charged if you modify or cancel your flight more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes while looking for flights. To learn more about changing or canceling your reservation, head to “Trips,” select your flight and click on “Manage Booking.”