Cheap flights from Portland to Santa Rosa

Portland
PDX
Sonoma County
STS

Flight deals from Portland to Santa Rosa

Below you can see the best deals on flights Portland — Santa Rosa for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 13 October, from $113.

Top 10 cheap flights from Portland to Santa Rosa

AS
AS
$ 116

Portland — Santa Rosa

17:38—23:54
8 Sep 2026
6 h 16 m
1 stop
AS
AS
$ 116

Portland — Santa Rosa

07:55—14:12
9 Sep 2026
6 h 17 m
1 stop
AS
AS
$ 116

Portland — Santa Rosa

17:38—23:54
9 Sep 2026
6 h 16 m
1 stop
AS
AS
$ 117

Portland — Santa Rosa

07:55—14:12
15 Sep 2026
6 h 17 m
1 stop
AS
AS
$ 117

Portland — Santa Rosa

17:38—23:54
15 Sep 2026
6 h 16 m
1 stop
AS
AS
$ 117

Portland — Santa Rosa

17:38—23:54
14 Sep 2026
6 h 16 m
1 stop
AS
AS
$ 117

Portland — Santa Rosa

07:55—14:12
12 Sep 2026
6 h 17 m
1 stop
AS
AS
$ 122

Portland — Santa Rosa

15:03—23:54
8 Sep 2026
8 h 51 m
1 stop
AS
AS
$ 122

Portland — Santa Rosa

14:03—23:54
8 Sep 2026
9 h 51 m
1 stop
AS
AS
$ 122

Portland — Santa Rosa

09:13—23:54
8 Sep 2026
14 h 41 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Portland — Santa Rosa flight

Looking for cheap flights from Portland to Santa Rosa? Compare fares from different airlines, check the flight schedule and travel time — and book your Portland — Santa Rosa ticket online at the best price.

The route has direct flights — around 92 flights per week, flights are operated by Alaska Airlines, a nonstop flight takes about 1 h 41 min, the distance between the cities is around 786 km.

Planning your trip? You may find our Santa Rosa travel guide, how to get from the airport into town and Santa Rosa weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $111Min. price
OctoberCheapest
AugustPeak season
YesDirect flights
786 kmDistance
1 h 41 minTravel time
1Airlines
92 / wkFlights

Flight schedule from Portland to Santa Rosa

The table shows direct flights from Portland to Santa Rosa on the selected date. The flight takes approximately 1 h 41 min. Regular flights are operated by Alaska Airlines. Departures from Portland International Airport airports, arrivals at Sonoma County Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 16 Aug 2026

Flight ticket prices by day: Portland — Santa Rosa

Below is a calendar of the lowest flight ticket prices for Portland — Santa Rosa by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $111 in October, and the most expensive are around $249 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Portland to Santa Rosa by month. Tickets are usually cheapest in January (around $161) and priciest in July (about $221) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$161lowMay$215highSep$197medium
Feb$167lowJun$203mediumOct$197medium
Mar$185mediumJul$221highNov$179low
Apr$191mediumAug$215highDec$209high

Some values are estimated based on seasonality.

When to fly

Weather in Santa Rosa: it is warmest in July (up to 30 °C on average) and coolest in December (around 14 °C). The driest month is June.

Tickets are usually cheapest in October and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Santa Rosa

Dry and wet days · Santa Rosa

Wind speed and direction · Santa Rosa

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How to get the best deal on a Portland — Santa Rosa ticket

  • Book ahead: fares for Portland — Santa Rosa are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Santa Rosa is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Portland — Santa Rosa route are operated by 1 airline; Alaska Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • Alaska AirlinesAS
    31x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight PDX → STS31x/week
      Duration
      1h 43m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Portland — Santa Rosa route

Flights Portland — Santa Rosa depart from Portland International Airport and arrive at Sonoma County Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Portland

PDX
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Santa Rosa

STS
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Portland — Santa Rosa flight

How long is the flight from Portland to Santa Rosa?

A nonstop Portland — Santa Rosa flight takes about 1 h 41 min — the distance between the cities is around 786 km.

How far is it from Portland to Santa Rosa?

The distance from Portland to Santa Rosa is about 786 km, which a nonstop flight covers in around 1 h 41 min.

Are there direct flights from Portland to Santa Rosa?

Yes, there are nonstop flights Portland — Santa Rosa — around 92 flights per week.

Which airlines fly from Portland to Santa Rosa?

Airlines operating Portland — Santa Rosa include Alaska Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Portland — Santa Rosa flights use?

Flights from Portland depart from Portland International Airport, and arrive at Sonoma County Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Portland to Santa Rosa?

The price of a Portland — Santa Rosa ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in August. Tickets typically cost between $111 and $249. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Portland — Santa Rosa?

Flights Portland — Santa Rosa are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Portland to Santa Rosa?

To catch a low fare Portland — Santa Rosa, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Portland

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SeattleLos AngelesSan FranciscoDenverSalt Lake CityChicagoSan JoseNew York CitySan DiegoPhoenixAnchorageLas VegasBoiseVancouverMinneapolisSanta AnaSpokaneSacramentoRedmondHonoluluMedfordDallasAtlantaFresnoOaklandEugeneBurbankBostonRenoHoustonWashington, D.C.PascoAustinPhiladelphiaMissoulaFairbanksCharlotteBozemanPalm SpringsCalgary

Where else you can fly from Santa Rosa

See all
Los AngelesSan DiegoSanta AnaBurbankSeattleLas VegasPhoenixPalm SpringsDallasMedfordBakersfieldCarlsbadTri-CitiesVictoriaEugeneProvoBuenos Aires

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