Cheap flights from Portland to San Francisco from $56

The month of September is, on average, the cheapest month to fly to Oakland, California from Portland, with most prices found around $223. If you aren’t able to travel to Oakland, California during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $242.

According to our data, Thursday is the cheapest day to fly to Oakland, California from Portland. The lowest ticket price found for a Thursday departure recently was $274. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Oakland, California for around $410.

At noon is the cheapest time of day to fly from Portland to Oakland, California when you can find flight prices for as low as $262. Flying to Oakland, California at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $317.

Fly from Portland to Oakland for the best Portland - Oakland flight prices

You are more likely to see cheaper flights to Oakland, California from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Oakland, California for around $285 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oakland, California from Portland for as low as $183 on momondo.

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

Alaska Airlines, Southwest, and Frontier are the most popular carriers operating from Portland to Oakland

Alaska Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Oakland, California from Portland according to our data. Alaska Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Oakland, California. Keep in mind that there are 7 different airlines that fly to Oakland, California on a routine basis, so you have a few additional options to choose from.

As of October 2026, 2 flights take off from Portland and land in Oakland, California each day. The most common flight departure time for this route is 7:00AM, with 42% of daily flights taking off in the afternoon.

As of October 2026, there are 14 flights per week flying from Portland to Oakland, California. The most common day of the week flights depart is Thu, with 43% of flights taking off on this day.