Cheap flights from San Luis Obispo to Portland from $109

The cheapest month to fly to Portland from San Luis Obispo is in February. Flight prices, which tend to average around $177, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, then you should wait until January to fly from San Luis Obispo, when ticket prices are also cheap, with an average price of $187.

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $267. 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 $406.

The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $334. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $411 per ticket.

Fly from San Luis Obispo County to Portland for the best San Luis Obispo County - Portland flight prices

You are more likely to see cheaper flights to Portland from San Luis Obispo when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $325 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from San Luis Obispo for as low as $266 on momondo.

There are 3 cabin classes available to choose from on San Luis Obispo County to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 22% on your flight if you consider stops on a San Luis Obispo to Portland flight.

As of March 2026, prices for San Luis Obispo to Portland flights are approximately 11% cheaper when compared to flights at the same time last year.

Alaska Airlines and United Airlines are the most popular carriers operating from San Luis Obispo County to Portland

Alaska Airlines, United Airlines and Hawaiian Airlines are the top three most popular airlines that fly to Portland from San Luis Obispo 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 Portland. Keep in mind that there are 6 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

1 flights are operational daily from San Luis Obispo to Portland as of March 2026. The most popular departure time for this route is 5:00PM, with 100% of flights per day taking off in the afternoon.

The number of flights available between San Luis Obispo and Portland is 9 per week as of March 2026. The most frequent departure day is Mon, with 22% of weekly flights leaving on this day.