Cheap Flights from Santa Rosa to Portland from $294

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Flight deals from Santa Rosa to Portland

Looking for a cheap last-minute deal or the best return flight from Santa Rosa Airport to Portland Airport? If you want to travel next month, return fares start from $294. Find the lowest prices on one-way and return tickets right here.

Portland.$294 per passenger.Departing Mon, 24 Aug, returning Fri, 28 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Mon, 24 Aug, arriving in Portland.Inbound indirect flight with Southwest Airlines, departs from Portland on Fri, 28 Aug, arriving in Santa Rosa.Price includes taxes and charges.From $294, select.

Portland.$294 per passenger.Departing Tue, 27 Oct, returning Fri, 30 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Tue, 27 Oct, arriving in Portland.Inbound indirect flight with Southwest Airlines, departs from Portland on Fri, 30 Oct, arriving in Santa Rosa.Price includes taxes and charges.From $294, select.

Portland.$375 per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Tue, 29 Sep, arriving in Portland.Inbound indirect flight with Southwest Airlines, departs from Portland on Tue, 6 Oct, arriving in Santa Rosa.Price includes taxes and charges.From $375, select.

Portland.$387 per passenger.Departing Mon, 26 Oct, returning Tue, 3 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Mon, 26 Oct, arriving in Portland.Inbound indirect flight with Southwest Airlines, departs from Portland on Tue, 3 Nov, arriving in Santa Rosa.Price includes taxes and charges.From $387, select.

Portland.$463 per passenger.Departing Mon, 16 Nov, returning Fri, 20 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Santa Rosa on Mon, 16 Nov, arriving in Portland.Inbound indirect flight with Delta, departs from Portland on Fri, 20 Nov, arriving in Santa Rosa.Price includes taxes and charges.From $463, select.

Portland.$470 per passenger.Departing Mon, 5 Oct, returning Mon, 12 Oct.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Santa Rosa on Mon, 5 Oct, arriving in Portland.Inbound direct flight with Alaska Airlines departs from Portland on Mon, 12 Oct, arriving in Santa Rosa.Price includes taxes and charges.From $470, select.

Portland.$475 per passenger.Departing Wed, 9 Sep, returning Mon, 14 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Wed, 9 Sep, arriving in Portland.Inbound indirect flight with Southwest Airlines, departs from Portland on Mon, 14 Sep, arriving in Santa Rosa.Price includes taxes and charges.From $475, select.

Portland.$507 per passenger.Departing Wed, 29 Jul, returning Fri, 28 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Wed, 29 Jul, arriving in Portland.Inbound indirect flight with Southwest Airlines, departs from Portland on Fri, 28 Aug, arriving in Santa Rosa.Price includes taxes and charges.From $507, select.

Portland.$512 per passenger.Departing Wed, 20 Jan, returning Wed, 27 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Wed, 20 Jan, arriving in Portland.Inbound indirect flight with Southwest Airlines, departs from Portland on Wed, 27 Jan, arriving in Santa Rosa.Price includes taxes and charges.From $512, select.

Portland.$952 per passenger.Departing Sat, 25 Jul, returning Mon, 27 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Santa Rosa on Sat, 25 Jul, arriving in Portland.Inbound indirect flight with Southwest Airlines, departs from Portland on Mon, 27 Jul, arriving in Santa Rosa.Price includes taxes and charges.From $952, select.

Find the cheapest month to fly from Santa Rosa to Portland

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

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Direct flights from Santa Rosa to Portland

Santa Rosa to Portland: Alternative routes

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

Portland

10km from central Portland

ClosestCheapest

from $294

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Santa Rosa to Portland: Flight information

The things to know before you go.

Cheapest flight found	$294
Cheapest month to fly	October
Average flight time	1 hr, 44 mins
Most popular airline	Alaska Airlines
Average flights per week	44

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

How much are return flights from Santa Rosa to Portland?

The best price we found for a return flight from Santa Rosa to Portland is $294. 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.

How long does it take to fly from Santa Rosa to Portland?

1 hour and 44 minutes is the average flight time from Santa Rosa to Portland.

Which airlines fly direct from Santa Rosa to Portland?

Alaska Airlines, SkyWest Airlines and Horizon Air fly direct from Santa Rosa to Portland.

How many flights are there a week from Santa Rosa to Portland?

As of July 2026, there are 44 flights per week flying from Santa Rosa to Portland.

When is the cheapest time to fly from Santa Rosa to Portland?

The cheapest month to fly from Santa Rosa to Portland is usually October.

Which upcoming date is cheapest to fly from Santa Rosa Airport to Portland Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Santa Rosa Airport to Portland Airport on Tuesday, 27 October 2026.

Can I get a direct flight from Santa Rosa Airport to Portland Airport?

Yes – the average flight time is 1 hour and 44 minutes.

How can I find the best flight deal to Portland?

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 Portland 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.

When is the best time to book flights to Portland?

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

Which is the cheapest airline to fly from Santa Rosa Airport to Portland with?

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

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

The average duration of a direct flight from Santa Rosa Airport to Portland Airport is 1 hour 40 minutes.
Santa Rosa and Portland are in the UTC-8 timezone. This means you won't have to change your watch when you arrive.
Flights from STS to PDX start from 11:41 — the earliest with Alaska Airlines. The last departure is at 19:32 with Alaska Airlines. Overall, you can take your pick of 18 weekly Santa Rosa Airport to Portland Airport flights.
Give yourself plenty of time to make your STS to PDX flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.
Flying during a peak time such as August? Major public holidays and other high seasons can result in longer lines at check-in and security. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.
Getting to Portland (and then seeing more of the United States!) is easy with Alaska Airlines. This popular carrier offers direct flights from Santa Rosa Airport to Portland Airport.
Alaska Airlines has the highest passenger demand on this route.
Alaska Airlines is the most punctual carrier offering STS to PDX flights. A reliable 80.18% of its services on this route land on time.
Opt for a stopover if you want to break up your flight. Simply uncheck 'Direct flights only' to see the options for tickets from Santa Rosa Airport to Portland Airport. Dallas Fort Worth International Airport is a popular stopover on the STS to PDX route.

Handy information about Santa Rosa Airport (STS)

You'll find STS at 2200 Airport Boulevard.
71% of flights that leave from Santa Rosa Airport reach their destination on time.
Central Santa Rosa to Santa Rosa Airport is approximately 10 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're driving, ride-sharing or catching a taxi.
Expect a trip time of around 35 minutes when using public transport.
Have an early flight from Santa Rosa Airport to Portland Airport? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by choosing one of these hotels close to STS:

Arriving at Portland Airport (PDX)

Consider staying in a hotel near PDX if you're on a late Santa Rosa Airport to Portland Airport flight. Settle into one of these accommodation options and make your arrival easier:
Travel at your own pace with a Portland Airport rental car. Pick up a set of wheels from Thrifty, Budget or Hertz and see more of Portland and beyond.
Booking your ride from Portland Airport around one week in advance boosts your odds of scoring a great price.

When to fly to Portland Airport (PDX)

The quietest month for a flight from Santa Rosa Airport to Portland Airport is March, while July is the busiest. Choose the best time to go to Portland based on whether you prefer a bustling atmosphere or a more laid-back vibe.
When reserving your flight from Santa Rosa Airport to Portland Airport, think about the kind of weather you enjoy. August is the warmest month in Portland, with the temperature ranging from 12ºC to 31ºC.
January sees average temperatures of between -2ºC and 10ºC. Search for cheap tickets from STS to PDX sometime then if you'd rather travel in cooler conditions.

Explore more of the United States

Seattle is just one of the many cities in the United States waiting to be explored after you've experienced Portland. Around 241 kilometres away to the north, top sights here include Space Needle, Pike Place Market and Seattle Skyline.
Spokane is another must-experience destination in the United States and is around 467 kilometres north-east of Portland. No journey is complete without dropping by Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.