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

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

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

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
United
United
United
United
United
United
Alaska Airlines
Hawaiian Airlines
American Airlines
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
$156
Distance
847 mi

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 June. 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 $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 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 long does it take to fly from McChesney Field to Sea-Tac Airport?
Book your ticket with Alaska Airlines and you’ll be traveling for roughly 2 hours and 25 minutes. This airline operates a direct flight that sets off at 7:00AM from San Luis Obispo County Regional Airport (SBP) and gets to Seattle - Tacoma Intl. Airport (SEA) at 9:25AM. Expedia has some great flight deals, so check out what’s on offer on this route today.
Is it cheaper to buy a plane ticket from SBP to SEA last minute?
Booking your trip from SBP to Seattle - Tacoma Intl. Airport (SEA) at the last minute could help you save if you stumble on an epic deal. However, airfares don’t usually get cheaper as the date of departure nears. If you hold off, flights could also be booked up or the best seats gone (that could mean the middle seat!). If you’d prefer to play it safe, book well in advance of your departure date. Don’t forget that some of the biggest bargains can be found up to 12 months in advance. If your favorite carrier hasn’t released tickets yet, check back regularly as deals are constantly updated on Expedia.
What airports do you fly into for Seattle from San Luis Obispo?
Seattle - Tacoma Intl. Airport (SEA), Renton Municipal Airport (RNT) and Boeing Field Airport (BFI) are your options when connecting from San Luis Obispo to Seattle. Roughly 12 mi south of central Seattle, Seattle - Tacoma Intl. Airport (SEA) is the city’s main entry point. Take into account factors like flight schedules and the distance to your hotel before deciding on an airport. Space Needle and Pike Place Market are two top attractions to put on your to-do list when you get to your destination.
What are the most popular departure times for flights from McChesney Field to Sea-Tac Airport?
The most popular departure times for trips from SBP to Sea-Tac Airport are between 2:00 PM - 3:00 PM on Alaska Airlines. Our suggestion is to head off in the morning. The earlier you go, the better your chances of arriving on time with less air traffic around.
Can I change the date of my flight from SBP to Seattle - Tacoma Intl. Airport (SEA)?
Plans don’t always work out, so Expedia is here to help make things as easy as possible. First, access your SBP to Sea-Tac Airport itinerary through the Expedia Trips portal and look up the ticket conditions and rules about what changes you can make. If you booked your plane ticket in the last 24 hours, some airlines will let you cancel at no cost and book new flights. If you bought your ticket more than 24 hours ago, contact us via our Customer Service portal to see how we can assist.

Explore a world of travel with Expedia

*Available to One Key members.