$79 Cheap Flights from Seattle (SEA) to San Luis Obispo (SBP)

View $79 flight on Wed, May 28, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Seattle to San Luis Obispo (SEA-SBP)

Prices were available within the past 7 days and start at $79 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, May 20 - Sat, Jun 7
SEA
Seattle
SBP
San Luis Obispo
$157 Roundtrip, found 6 hours ago
$157
Roundtrip
found 6 hours ago
Select United flight, departing Tue, May 20 from Seattle to San Luis Obispo, returning Sat, Jun 7, priced at $157 found 6 hours ago
American Airlines
Wed, May 7 - Sat, May 10
SEA
Seattle
SBP
San Luis Obispo
$160 Roundtrip, found 6 days ago
$160
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, May 7 from Seattle to San Luis Obispo, returning Sat, May 10, priced at $160 found 6 days ago
United
Sun, May 18 - Wed, May 21
SEA
Seattle
SBP
San Luis Obispo
$167 Roundtrip, just found
$167
Roundtrip
just found
Select United flight, departing Sun, May 18 from Seattle to San Luis Obispo, returning Wed, May 21, priced at $167 just found
American Airlines
Sun, Jun 8 - Tue, Jun 10
SEA
Seattle
SBP
San Luis Obispo
$169 Roundtrip, found 18 hours ago
$169
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sun, Jun 8 from Seattle to San Luis Obispo, returning Tue, Jun 10, priced at $169 found 18 hours ago
American Airlines
Sat, May 31 - Mon, Jun 2
SEA
Seattle
SBP
San Luis Obispo
$170 Roundtrip, found 18 hours ago
$170
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sat, May 31 from Seattle to San Luis Obispo, returning Mon, Jun 2, priced at $170 found 18 hours ago
United
Tue, May 20 - Wed, May 21
SEA
Seattle
SBP
San Luis Obispo
$176 Roundtrip, found 2 days ago
$176
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 20 from Seattle to San Luis Obispo, returning Wed, May 21, priced at $176 found 2 days ago
Alaska Airlines
Sun, May 18 - Wed, May 21
SEA
Seattle
SBP
San Luis Obispo
$178 Roundtrip, just found
$178
Roundtrip
just found
Select Alaska Airlines flight, departing Sun, May 18 from Seattle to San Luis Obispo, returning Wed, May 21, priced at $178 just found
United
Wed, May 21 - Sat, May 31
SEA
Seattle
SBP
San Luis Obispo
$179 Roundtrip, found 5 hours ago
$179
Roundtrip
found 5 hours ago
Select United flight, departing Wed, May 21 from Seattle to San Luis Obispo, returning Sat, May 31, priced at $179 found 5 hours ago
American Airlines
Wed, May 14 - Sat, May 24
SEA
Seattle
SBP
San Luis Obispo
$181 Roundtrip, found 4 hours ago
$181
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, May 14 from Seattle to San Luis Obispo, returning Sat, May 24, priced at $181 found 4 hours ago
Hawaiian Airlines
Sat, May 17 - Thu, Jun 5
SEA
Seattle
SBP
San Luis Obispo
$197 Roundtrip, found 6 hours ago
$197
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Sat, May 17 from Seattle to San Luis Obispo, returning Thu, Jun 5, priced at $197 found 6 hours ago
Flights from Seattle (SEA) to San Luis Obispo (SBP)
Origin airport
Seattle - Tacoma Intl.
Destination airport
San Luis Obispo County Regional
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines, United
Roundtrip price
$152
Distance
847 mi

Seattle to San Luis Obispo Flights

The cheapest times to fly from Seattle to San Luis Obispo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to San Luis Obispo are during the month of May. You can find some of the cheapest flights from Seattle to San Luis Obispo with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seattle to San Luis Obispo

Sunday is one of the best days to book for cheap flights from Seattle to San Luis Obispo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Seattle to San Luis Obispo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to San Luis Obispo in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to San Luis Obispo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to San Luis Obispo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP) cost?
Cheap round-trip fares from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP) start at $191. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SEA on May 20 2025 and touching down at SBP. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from SEA to SBP?
The cheapest flights from SEA to SBP are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP)?
When departing from Seattle - Tacoma Intl. Airport (SEA), you can hop on a nonstop flight to San Luis Obispo County Regional Airport (SBP) with Alaska Airlines.
What is the cheapest airline that flies from SEA to SBP?
Right now, the cheapest airline operating one-way flights from SEA to SBP is Alaska Airlines. You can book a seat on this route from $99. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SEA on June 9 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP)?
On average, you’ll only find 1 nonstop flight operating from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP) per day. If this doesn’t work for you, think about flights with layovers. Just customize your search on Expedia to include one or two stops to find a better alternative.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP)?
More travelers fly between SEA and SBP at 12 PM than at any other time of day. Rather skip the crowds? Consider flying outside peak hours and it’s possible you’ll save on your ticket as well.
What day of the week has the most flights from SEA to SBP?
Friday offers the most flights from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP). Consider traveling on this day and you’ll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP)?
The earliest flight out of Seattle - Tacoma Intl. Airport (SEA) is at around 12:59PM UTC-8. Catch this flight and you’ll land at San Luis Obispo County Regional Airport (SBP) at approximately 3:21PM UTC-8. The overall travel time is 2h 22m.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP)?
It takes roughly 2 hours and 22 minutes to travel the 850 mi from SEA to SBP.
What airline has the least delays from SEA to SBP?
Alaska Airlines has the best performance for on-time direct flights from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP), with an on-time rating of 85%. Use the Expedia App to look up your flight status before you leave and receive notifications about any trip changes.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP)?
To reach San Luis Obispo County Regional Airport (SBP) on time, select a flight that takes off from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for San Luis Obispo from Seattle - Tacoma Intl. Airport (SEA)?
San Luis Obispo County Regional Airport (SBP) is the only airport in San Luis Obispo with direct flights from Seattle - Tacoma Intl. Airport (SEA). Consider the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP) last-minute?
Holding off until right before your break to book a ticket from SEA to SBP generally means paying more. While you might find some last-minute discounts, they’re not always guaranteed. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a SEA to SBP flight and hotel package?
You’ll typically save money by securing a SEA to SBP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one convenient place. Once you’ve chosen your preferred flights and accommodations, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to San Luis Obispo County Regional Airport (SBP)?
In most instances, you can cancel or modify your SEA to SBP flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline’s fees and policies on flight changes, or if you need further information, head to our Customer Service portal.

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