Cheap flights from San Francisco to Portland from R983

In general, October is the cheapest month to fly from San Francisco to Portland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R3 782. If you are unable to visit Portland during the month of October, then departing from San Francisco during the month April is also very affordable. Most momondo users find prices during this month for around R4 215.

Fly from San Francisco to Portland for the best San Francisco - Portland flight prices

You are more likely to see cheaper flights to Portland from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around R4 792 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from San Francisco for as low as R3 716 on momondo.

There is only 1 cabin class available to choose from on San Francisco to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 19% of flights between San Francisco and Portland have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

As of October 2026, there are 11 flights per day flying from San Francisco to Portland. The most common time of day flights depart is 18:00, with 41% of flights taking off in the evening.

The number of flights available between San Francisco and Portland is 82 per week as of October 2026. The most frequent departure day is Fri, with 67% of weekly flights leaving on this day.