$78 Cheap Flights from San Luis Obispo (SBP) to Seattle (SEA)

View $78 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines from San Luis Obispo County Regional Airport (SBP) to Seattle-Tacoma International Airport (SEA)

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

Prices were available within the past 7 days and start at $78 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Dec 6 - Tue, Dec 9
SBP
San Luis Obispo
SEA
Seattle
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Hawaiian Airlines flight, departing Sat, Dec 6 from San Luis Obispo to Seattle, returning Tue, Dec 9, priced at $137 just found
Hawaiian Airlines
Wed, Dec 24 - Wed, Jan 7
SBP
San Luis Obispo
SEA
Seattle
$147 Roundtrip, found 1 hour ago
$147
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Wed, Dec 24 from San Luis Obispo to Seattle, returning Wed, Jan 7, priced at $147 found 1 hour ago
Hawaiian Airlines
Tue, Dec 9 - Wed, Dec 10
SBP
San Luis Obispo
SEA
Seattle
$156 Roundtrip, just found
$156
Roundtrip
just found
Select Hawaiian Airlines flight, departing Tue, Dec 9 from San Luis Obispo to Seattle, returning Wed, Dec 10, priced at $156 just found
United
Tue, Dec 9 - Sat, Dec 13
SBP
San Luis Obispo
SEA
Seattle
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Dec 9 from San Luis Obispo to Seattle, returning Sat, Dec 13, priced at $157 found 1 hour ago
American Airlines
Tue, Dec 9 - Sat, Dec 13
SBP
San Luis Obispo
SEA
Seattle
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Dec 9 from San Luis Obispo to Seattle, returning Sat, Dec 13, priced at $157 found 1 hour ago
American Airlines
Thu, Dec 4 - Tue, Dec 9
SBP
San Luis Obispo
SEA
Seattle
$158 Roundtrip, just found
$158
Roundtrip
just found
Select American Airlines flight, departing Thu, Dec 4 from San Luis Obispo to Seattle, returning Tue, Dec 9, priced at $158 just found
Alaska Airlines
Wed, Dec 3 - Tue, Dec 9
SBP
San Luis Obispo
SEA
Seattle
$159 Roundtrip, found 5 days ago
$159
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Dec 3 from San Luis Obispo to Seattle, returning Tue, Dec 9, priced at $159 found 5 days ago
United
Tue, Dec 9 - Sat, Dec 13
SBP
San Luis Obispo
SEA
Seattle
$162 Roundtrip, found 1 hour ago
$162
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Dec 9 from San Luis Obispo to Seattle, returning Sat, Dec 13, priced at $162 found 1 hour ago
United
Thu, Dec 4 - Tue, Dec 9
SBP
San Luis Obispo
SEA
Seattle
$163 Roundtrip, just found
$163
Roundtrip
just found
Select United flight, departing Thu, Dec 4 from San Luis Obispo to Seattle, returning Tue, Dec 9, priced at $163 just found
United
Thu, Dec 4 - Tue, Dec 9
SBP
San Luis Obispo
SEA
Seattle
$165 Roundtrip, just found
$165
Roundtrip
just found
Select United flight, departing Thu, Dec 4 from San Luis Obispo to Seattle, returning Tue, Dec 9, priced at $165 just found

Find the cheapest month to fly from San Luis Obispo (SBP) to Seattle (SEA)

February is typically the cheapest month to fly

From $136 - $306 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $287
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $287
Flights from San Luis Obispo (SBP) to Seattle (SEA)
Origin airport
San Luis Obispo County Regional
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines, United
Roundtrip price
$137
Distance
847 mi
Average flight time
2 hours 34 mins

San Luis Obispo to Seattle Flights

The cheapest times to fly from San Luis Obispo to Seattle

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 San Luis Obispo to Seattle are during the month of December. You can find some of the cheapest flights from San Luis Obispo to Seattle with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Luis Obispo to Seattle: 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 San Luis Obispo to Seattle

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 San Luis Obispo to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $78 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 San Luis Obispo to Seattle 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 San Luis Obispo to Seattle 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 San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $78 or cheap return flight from $137 from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from SBP to SEA is December, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
Which airlines fly direct from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA)?
When flying out of San Luis Obispo County Regional Airport (SBP), you can jump on a nonstop flight to Seattle - Tacoma Intl. Airport (SEA) with Alaska Airlines.
What is the cheapest airline that flies from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from SBP to SEA. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA)?
On average, San Luis Obispo County Regional Airport (SBP) only offers 1 direct flight to Seattle - Tacoma Intl. Airport (SEA) each day. For more choices, try Expedia's easy-to-use filters. Just enter your travel details, then select "1 Stop" or "2+ Stops" to find flights with layovers.
What are the most popular departure times for flights from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA)?
More people fly between SBP and SEA at 4 PM than at any other time. Rather go when it's quieter? Pick a flight outside the busiest times and you could save on your fare as well.
What day of the week has the most flights from SBP to SEA?
If you fly on a Friday, you'll get the greatest range of options for flights from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA)?
Take the earliest flight at around 4:15PM UTC-8, heading out of San Luis Obispo County Regional Airport (SBP). You'll be flying for approximately 2h 33m, landing at Seattle - Tacoma Intl. Airport (SEA) at approximately 6:48PM UTC-8.
How long does it take to fly from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA)?
The average flight duration from SBP to SEA is 2 hours and 33 minutes, covering a total distance of 850 mi.
What airline has the least delays from SBP to SEA?
With 87% of flights typically landing on time, Alaska Airlines has the best on-time performance for direct flights from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA). To check your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA)?
To touch down at Seattle - Tacoma Intl. Airport (SEA) on time, book a flight that takes off from San Luis Obispo County Regional Airport (SBP) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Seattle from San Luis Obispo County Regional Airport (SBP)?
Check out your flight options from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA). This is the only airport in Seattle you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute fares from SBP to SEA are typically more expensive. To lock in the cheapest rates, start looking for flights early. That said, if you're flexible with your travel plans, you may score a cheap fare right before your trip.
Is it cheaper to book a SBP to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a SBP to SEA flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from San Luis Obispo County Regional Airport (SBP) to Seattle - Tacoma Intl. Airport (SEA)?
In most instances, you can reschedule or cancel your SBP to SEA flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.