£73 Cheap Flights from Portland (PDX) to Santa Rosa (STS)

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at £73 for one-way flights and £219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines

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

February is typically the cheapest month to fly

From £108 - £271 per traveller.

Graph displaying average flight prices per month

Flight from Portland to Santa Rosa route information
Origin airport
Portland Intl.
Destination airport
Sonoma County
Return price
£218
Distance
782 km
Average flight time
1 hour 38 mins

Compare flights from Portland to Santa Rosa easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Portland to Santa Rosa. Operating between them 4 flights per day, 20 airlines cover the route. And Alaska Airlines, Hawaiian Airlines fly direct, getting you to Sonoma County in just 1hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Portland Intl. to Sonoma County.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Portland Intl. (PDX) to Sonoma County (STS)

The easiest way to view the best deals on flights from Portland to Santa Rosa today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Portland Intl. to Sonoma County start at just £219 and range up to £337.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Portland and Santa Rosa
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Portland to Santa Rosa flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Portland Intl. to Sonoma County for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Portland Airport to STS?
The lowest price advertised for a round-trip flight from PDX Airport to Sonoma County Airport is £219. But you better get moving. This figure is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Intl. Airport (PDX) to Sonoma County Airport?
Most flights can be cancelled online, but each air carrier has different terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from PDX Airport to Sonoma County Airport 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 PDX Airport to STS flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PDX to Sonoma County Airport?
You might not get through a whole movie on this flight — it's only 790 kilometres from Portland to Windsor. Find your seat, order some snacks and you'll be in Windsor in next to no time.
Which airlines fly direct from Portland Airport to Sonoma County Airport?
Operating 30 flights monthly, Alaska Airlines (AS) is a great choice when flying directly from Portland Intl. Airport (PDX) to Sonoma County Airport (STS).
Are Portland Airport to STS flight tickets cheaper when they're purchased at the last minute?
Fares from PDX to Sonoma County Airport are available up to a year before departure on Expedia. And although you may nab great last-minute deal, it's not something you should count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We regularly update 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.