Cheap Flights from Portland to Santa Rosa

Compare Portland to Santa Rosa flight deals

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Flight deals from Portland to Santa Rosa

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Santa Rosa Airport? If you want to travel next month, return fares start from Rs60,067. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Santa Rosa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Santa Rosa flights are currently cheapest in August.

Direct flights from Portland to Santa Rosa

Portland to Santa Rosa: Alternative routes

Compare routes from Portland to Santa Rosa below. You may find an airport to fly into that's cheaper, faster, or easier than Santa Rosa.

Portland to Santa Rosa: Flight information

The things to know before you go.
Cheapest flight foundRs30,033
Cheapest month to flyAugust
Average flight time1 hr, 45 mins
Most popular airlineAlaska Airlines
Average flights per week43

Finding cheap flights from Portland to Santa Rosa: Frequently asked questions

The best price we found for a return flight from Portland to Santa Rosa is Rs60,067. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 45 minutes is the average flight time from Portland to Santa Rosa.
Alaska Airlines, SkyWest Airlines and Horizon Air fly direct from Portland to Santa Rosa.
As of July 2026, there are 43 flights per week flying from Portland to Santa Rosa.
The cheapest month to fly from Portland to Santa Rosa is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Santa Rosa Airport on Saturday, 22 August 2026.
Yes – the average flight time is 1 hour and 45 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Santa Rosa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Santa Rosa is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Southwest Airlines and Alaska Airlines offer the cheapest flight tickets to Santa Rosa.

Travelling from Portland Airport (PDX) to Santa Rosa Airport (STS): what you need to know

  • Hop on a direct flight from Portland Airport to Santa Rosa Airport and you'll be in the air for an average of 1 hour 40 minutes.

  • Every week, there are 18 Portland Airport to Santa Rosa Airport flights. If you want to be on board as soon as possible, opt for the 07:00 Alaska Airlines flight. If you're eager to make the most of your day before you fly, the last departure is at 18:01 with Alaska Airlines.

  • Leave plenty of time to catch your PDX to STS flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's a good idea to get to the airport well in advance. Arrive two hours before a domestic departure and four hours ahead of international flights when you travel during a high season in general.

  • Alaska Airlines is your gateway to discovering Santa Rosa (and perhaps some other exciting parts of the United States!). Browse the direct flights from Portland Airport to Santa Rosa Airport offered by this popular airline.

  • The majority of passengers choose to fly with Alaska Airlines on this route.

  • Alaska Airlines is the most punctual carrier operating PDX to STS flights, with 73.01% of its services landing on schedule.

  • Enjoy a quick visit to another city or simply break up your journey with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from Portland Airport to Santa Rosa Airport. Many passengers pass through Dallas Fort Worth International Airport on this route.

Handy information about Portland Airport (PDX)

  • You'll find PDX at 7000 NE Airport Way.

  • Portland Airport maintains a strong on-time record, reducing your chances of a delayed flight. Departures from PDX arrive on schedule 83% of the time.

  • To get to Portland Airport from central Portland, it'll take about 20 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 19 kilometres from the airport to the city centre.

  • Expect a journey time of roughly 40 minutes when using public transport.

  • Booked an early flight from Portland Airport to Santa Rosa Airport? Avoid rushing to the airport (and catch some extra z's) by choosing one of these hotels close to PDX:

Arriving at Santa Rosa Airport (STS)

Getting from Santa Rosa Airport (STS) to central Santa Rosa

  • You'll find STS at 2200 Airport Boulevard.

  • Santa Rosa Airport to central Santa Rosa has a drive time of about 10 minutes. It's approximately 10 kilometres away.

  • If you're taking public transport, expect a journey of about 35 minutes.

When to fly to Santa Rosa Airport (STS)

  • The quietest month for a flight from Portland Airport to Santa Rosa Airport is March, while August is the most popular. Pick the ideal time to visit Santa Rosa based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Santa Rosa is August, with temperatures ranging between 11ºC and 29ºC. Book your flights from Portland Airport to Santa Rosa Airport in this month if this is the type of weather you like.

  • February has average temperatures of between 2ºC and 19ºC. Look for cheap tickets from PDX to STS around that time if you'd rather travel in cooler conditions.

Explore more of the United States

  • San Jose is just one of the many cities in the United States waiting to be discovered once you've taken in the sights of Santa Rosa. Around 145 kilometres away to the south-east, its top attractions include Winchester Mystery House, The Tech Interactive and Santa Clara Valley.

  • If there's time to check out another major destination in the United States, consider San Francisco, roughly 80 kilometres south of Santa Rosa. Golden Gate Bridge, Painted Ladies - Alamo Square and Alcatraz Island are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.