$154 Find Cheap Flights from Seattle to San Luis Obispo - Compare and Save

SEA has a USO military lounge located on the main terminal's Mezzanine level. The lounge only welcomes active members of the US military as well as their immediate families. Amenities present at this relaxation spot include a sleeping area with beds, clean restrooms, video gaming, and assistance with local information and travel planning.

SPB is a pet-friendly airport as it features a pet relief area in the courtyard outside the terminal building. Take your four-legged companion at this sport for a potty break, to drink water, or stretch their legs. It is important to note that each airline has its pet policy, so make inquiries when booking your ticket.

Smarte Carte baggage storage services provide luggage storage at SEA. These services are available near carousel 12 in the baggage claim area. The storage services include baggage storage and frozen and refrigerated items.

There are several options for getting from SBP to downtown San Luis Obispo. If you're on a tight budget, take the SLO Transit buses from the bus terminal outside the airport. However, if you need to get downtown quickly, consider taking a taxi or a Towncar from the airport.

Among airlines operating Seattle 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 Seattle and San Luis Obispo.

Flights from Seattle to San Luis Obispo usually depart from Seattle/Tacoma Intl (SEA) 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.

Three cabin classes are available on flights from Seattle to San Luis Obispo:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $246 round-trip via Phoenix Sky Harbor Intl (PHX), compared to $351 for nonstop.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Hawaiian Airlines and Alaska Airlines. Other aircraft seen on the route include Boeing 737 variants.

One-stop flights from Seattle to San Luis Obispo most commonly connect through:

• San Francisco (SFO) - 69% of one-stop connections
• San Diego (SAN) - 14% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 7% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 3% of one-stop connections

San Francisco (SFO) handles the largest share of one-stop connections on this route.

On the Seattle to San Luis Obispo route, being flexible with your departure day can save you up to 32%. Sunday is the cheapest day at $286 round-trip on average, while Monday is the most expensive at $417: a $131 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

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

• Earliest: departs at 7:00 am and lands at 9:30 am
• Latest: departs at 4:23 pm and lands at 6:53 pm.

The flight takes about 2h 30m.

Last-minute fares on this route - booked within 2 weeks of departure - run 93% above the route average of $347. Book 17 weeks before departure for the lowest fares.

A nonstop flight from Seattle to San Luis Obispo takes 2h 30m, covering 848 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 $283 to $1,571. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Seattle to San Luis Obispo are currently lower than usual. Average one-way flight prices are about $195, which is 42% below the typical average for this route.

Flying via Portland (PDX) gives the shortest average 1-stop total travel time at 4h 55m, compared with 5h 02m via San Francisco (SFO) and 5h 09m via Los Angeles (LAX).

Round-trip flights from Seattle to San Luis Obispo range from $230 to $477, with an average of $347 over the past 12 months. Anything below $230 counts as a good deal.

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