$148 Find Cheap Flights from Portland to San Luis Obispo - Compare and Save

Among airlines operating Portland to San Luis Obispo flights:

• Alaska Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Alaska Airlines operates flights between Portland and San Luis Obispo.

Flights from Portland to San Luis Obispo usually depart from Portland (PDX) and arrive at San Luis Obispo County (SBP).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Portland to San Luis Obispo.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $255 round-trip via Phoenix Sky Harbor Intl (PHX), compared to $337 for nonstop.

Connecting flights from Portland to San Luis Obispo most commonly pass through:

• San Francisco (SFO) - 97% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 3% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 35% on the Portland to San Luis Obispo route. Wednesday is the cheapest departure day at $267 round-trip on average, while Sunday is the most expensive at $407, a difference of $140. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Afternoon is the busiest departure period on Portland to San Luis Obispo flights, with 50% of flights leaving in that window. Evening departures account for 50%, morning flights for 0%, and night flights for 0%.

These are the earliest and latest flight times available from Portland to San Luis Obispo:

• Earliest: departs at 2:33 pm and lands at 4:48 pm
• Latest: departs at 5:43 pm and lands at 7:58 pm.

The flight takes about 2h 15m.

Last-minute fares on this route - booked within 2 weeks of departure - run 75% above the route average of $350. Book 16 weeks before departure for the lowest fares.

A nonstop flight from Portland to San Luis Obispo takes 2h 15m, covering 722 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $267 to $796. That means the highest observed fare was about 3x higher than the lowest one.

One-way fares from Portland to San Luis Obispo are currently in line with typical prices for this route. Average one-way fares are about $237.

Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 4h 36m, compared with 7h 15m via Phoenix Sky Harbor Intl (PHX).

Round-trip flights from Portland to San Luis Obispo range from $268 to $459, with an average of $350 over the past 12 months. Anything below $268 counts as a good deal.

Alaska Airlines is the only airline on the Portland to San Luis Obispo route offering in-flight Wi-Fi. Pricing depends on fare class.