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

Among airlines operating San Luis Obispo to Seattle flights:

• Alaska Airlines: offers free seat selection

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

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

Flights from San Luis Obispo to Seattle usually depart from San Luis Obispo County (SBP) and arrive at Seattle/Tacoma Intl (SEA).

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 Business 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 San Luis Obispo to Seattle:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $275 round-trip via San Diego (SAN), compared to $375 for nonstop.

The Embraer 175 family is used most often on this route, operated mainly by Alaska Airlines. Other aircraft seen on the route include Boeing 737-700 variants.

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

• San Francisco (SFO) - 80% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 9% of one-stop connections
• San Diego (SAN) - 7% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 4% of one-stop connections

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

Yes. Being flexible with your travel dates can save you up to 26% on the San Luis Obispo to Seattle route. Monday is the cheapest departure day at $337 round-trip on average, while Saturday is the most expensive at $455, a difference of $118. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

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

• Earliest: departs at 10:08 am and lands at 12:38 pm
• Latest: departs at 7:35 pm and lands at 10:05 pm.

The flight takes about 2h 30m.

Last-minute fares on this route - booked within 2 weeks of departure - run 103% above the route average of $397. Book 21 weeks before departure for the lowest fares.

A nonstop flight from San Luis Obispo to Seattle 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.

One-way fares from San Luis Obispo to Seattle are currently lower than usual. Average one-way flight prices are about $180, which is 37% below the typical average for this route.

Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 5h 06m, compared with 5h 53m via San Diego (SAN) and 6h 47m via Phoenix Sky Harbor Intl (PHX).

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
• Fox
• Europcar
• Thrifty
• Budget
• Dollar

Round-trip flights from San Luis Obispo to Seattle range from $285 to $500, with an average of $397 over the past 12 months. Anything below $285 counts as a good deal.

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