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

View AU$168 flight on Mon, 27 Oct. 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 (STS) to Portland (PDX)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

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

January is typically the cheapest month to fly

From AU$224 - AU$486 per traveller.

Graph displaying average flight prices per month

Flight from Santa Rosa to Portland route information
Origin airport
Sonoma County
Destination airport
Portland Intl.
Distance
782 km
Average flight time
1 hour 37 mins

Your quick guide to flights from Santa Rosa to Portland

Pick up great flights from Santa Rosa to Portland

With Expedia, you have your pick of 4 flights a day with 20 airlines covering flights from Santa Rosa to Portland. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Santa Rosa to Portland that take around 1 hours.

Find cheap flights from Santa Rosa to Portland

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Santa Rosa to Portland around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Portland is normally in .

Reasons to book your flight from Santa Rosa to Portland with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Santa Rosa to Portland across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Portland right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

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 . 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.

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