$139 Find Cheap Flights from Portland to San Luis Obispo - Compare and Save

If you are looking for a flight deal from Portland to San Luis Obispo, look for departures on Saturdays and avoid leaving on a Thursday, as it's usually the priciest day. When flying back from San Luis Obispo, Wednesday is the cheapest day to fly and Monday is the most expensive.

The cheapest month for flights from Portland to San Luis Obispo is December, where tickets cost $269 (return) on average. On the other hand, the most expensive months are March and November, where the average cost of round-trip tickets is $417 and $417 respectively.

No, with an average price for the route of $327, prices are generally cheapest when you fly direct.

To get a below average price on the flight from Portland to San Luis Obispo, you should book around 4 weeks before departure, which saves you about 52% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

In the past 5 days, the cheapest round-trip tickets from Portland to San Luis Obispo were found on Alaska Airlines ($257) and United Airlines ($272).

There is just one airline that flies from Portland to San Luis Obispo direct and that is Alaska Airlines. The best round-trip deal found from Alaska Airlines for the route is $177.

San Francisco (SFO) is the top choice – 97% of KAYAK users who clicked on 1-stop flights from Portland to San Luis Obispo picked an itinerary connecting there.

Flights via Phoenix (PHX) offer the most affordable fares, with an average round-trip price of $255.

Consider flying via San Francisco (SFO) for the shortest journey. The average one-way travel time for flights connecting there is 4h 24m.

If you prefer a quick connection, San Francisco (SFO) often has the shortest layovers from Portland to San Luis Obispo, with an average of 1h 31m.

There are 3 cabin class options for the route. These are First, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are 2 nonstop flights that take off from Portland and land in San Luis Obispo, with an average flight time of 2h 13m. The most common departure time is 5:00 pm and most flights take off in the afternoon. Each week, there are 14 flights and there are the same amount of flights each day (2).