Cheap flights from Santa Rosa to Portland from $83

The cheapest month to fly to Portland from Santa Rosa is in January. Flight prices, which tend to average around $187, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until April to fly from Santa Rosa, when ticket prices are also cheap, with an average price of $237.

The cheapest day to depart on your flight to Portland is on a Saturday when prices can be found for as low as $280. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $368.

The cheapest time of day to fly to Portland is in the morning when flights can be purchased for as low as $276. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $328 per ticket.

Fly from Santa Rosa Sonoma County to Portland for the best Santa Rosa Sonoma County - Portland flight prices

You are more likely to see cheaper flights to Portland from Santa Rosa when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $285 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Santa Rosa for as low as $220 on momondo.

There are 4 cabin classes available to choose from on Santa Rosa Sonoma County to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Alaska Airlines is the most popular carrier operating from Santa Rosa Sonoma County to Portland

Alaska Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Portland from Santa Rosa according to our data. Alaska Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 8 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

As of February 2026, 4 flights take off from Santa Rosa and land in Portland each day. The most common flight departure time for this route is 8:00AM, with 50% of daily flights taking off at noon.

As of February 2026, 28 flights take off from Santa Rosa and land in Portland each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.