RM1,299 Cheap Flights from Santa Rosa (STS) to Portland (PDX)

View RM1,299 flight on Tue, 11 Nov 2025Opens in a new window

Popular airlines from Santa Rosa, CA (STS-Sonoma County) to Portland International Airport (PDX)

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Cheap Flights from Santa Rosa to Portland (STS-PDX)

Prices were available within the past 7 days and start at RM1,299 for one-way flights and RM2,278 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 11 Nov - Sat, 15 Nov
STS
Santa Rosa
PDX
Portland
RM2,278 Return, found 2 days ago
RM2,278
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 11 Nov from Santa Rosa to Portland, returning Sat, 15 Nov, priced at RM2,278 found 2 days ago
American Airlines
Tue, 11 Nov - Sat, 15 Nov
STS
Santa Rosa
PDX
Portland
RM4,374 Return, found 2 days ago
RM4,374
Return
found 2 days ago
Select American Airlines flight, departing Tue, 11 Nov from Santa Rosa to Portland, returning Sat, 15 Nov, priced at RM4,374 found 2 days ago
American Airlines
Tue, 11 Nov - Sat, 15 Nov
STS
Santa Rosa
PDX
Portland
RM4,420 Return, found 2 days ago
RM4,420
Return
found 2 days ago
Select American Airlines flight, departing Tue, 11 Nov from Santa Rosa to Portland, returning Sat, 15 Nov, priced at RM4,420 found 2 days ago
American Airlines
Tue, 11 Nov - Sat, 15 Nov
STS
Santa Rosa
PDX
Portland
RM5,467 Return, found 2 days ago
RM5,467
Return
found 2 days ago
Select American Airlines flight, departing Tue, 11 Nov from Santa Rosa to Portland, returning Sat, 15 Nov, priced at RM5,467 found 2 days ago
American Airlines
Tue, 11 Nov - Sat, 15 Nov
STS
Santa Rosa
PDX
Portland
RM5,598 Return, found 2 days ago
RM5,598
Return
found 2 days ago
Select American Airlines flight, departing Tue, 11 Nov from Santa Rosa to Portland, returning Sat, 15 Nov, priced at RM5,598 found 2 days ago
American Airlines
Tue, 11 Nov - Sat, 15 Nov
STS
Santa Rosa
PDX
Portland
RM5,820 Return, found 2 days ago
RM5,820
Return
found 2 days ago
Select American Airlines flight, departing Tue, 11 Nov from Santa Rosa to Portland, returning Sat, 15 Nov, priced at RM5,820 found 2 days ago

Find the cheapest month to fly from Santa Rosa (STS) to Portland (PDX)

February is typically the cheapest month to fly

From RM 615 - RM 1,349 per traveller.
Santa Rosa to Portland route information
Origin airport
Sonoma County
Destination airport
Portland Intl.
Return price
RM2,278
Distance
782 km
Average flight time
1 hour 42 mins

Perfect flights from Santa Rosa to Portland

Your Journey from Santa Rosa to Portland

Start your unforgettable journey with Expedia. Our broad selection of flights from Santa Rosa to Portland caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Alaska Airlines, American Airlines. Our selection of flights from Sonoma County to Portland Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Santa Rosa to Portland Flights

Experience the joy of finding cheap flights from Sonoma County to Portland Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM1,299 and roundtrip prices from RM2,278*.
 

Pre-Flight Essentials

Ensure a smooth journey from Santa Rosa to Portland with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Portland

Picture yourself stepping off the plane in Portland and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Santa Rosa to Portland Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Santa Rosa to Portland.
 

Beyond the Flight – Exploring Portland

With Expedia, your adventure extends beyond the flight. Explore Portland at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Santa Rosa to Portland with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Santa Rosa to Portland with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from STS to PDX?
Round-trip journeys from Sonoma County Airport (STS) to PDX Airport start from RM2,278. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STS to Portland Intl. Airport (PDX)?
We get that things crop up unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Sonoma County Airport to Portland Intl. Airport (PDX) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Sonoma County Airport to Portland Intl. Airport (PDX) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sonoma County Airport to PDX?
With a flight distance of 790 kilometres, it's just a short hop from Sonoma County Airport to Portland Airport. It might be a quick journey, but it's still worth bringing something to keep you entertained on board.
Which airlines fly direct from STS to PDX Airport?
A favourite with many travellers, Alaska Airlines (AS) operates 30 flights every month from Sonoma County Airport (STS) to PDX. Pick the one that suits your travel plans and book your seat today.
Are Sonoma County Airport to Portland Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Sonoma County Airport (STS) to PDX Airport are available up to a year before departure on Expedia. And although you may pick up a fantastic last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid getting trapped in the dreaded middle seat! We're always updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

Explore a world of travel with Expedia

*Available to Expedia members.