Cheap flights from San Luis Obispo to Washington from $154

The month of October is, on average, the cheapest month to fly to State of Washington from San Luis Obispo, with most prices found around $232. If you aren’t able to travel to State of Washington during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $247.

The cheapest day to depart from San Luis Obispo to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $358. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Luis Obispo to State of Washington for around $587.

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $388. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $551 on average. Flights to State of Washington from San Luis Obispo in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from San Luis Obispo County to Seattle/Tacoma Intl for the best San Luis Obispo County - Washington flight prices

You are more likely to see cheaper flights to State of Washington from San Luis Obispo when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $345 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from San Luis Obispo for as low as $149 on momondo.

There are 4 cabin classes available to choose from on San Luis Obispo to State of Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Alaska Airlines and United Airlines are the most popular carriers operating from San Luis Obispo County to Washington

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to State of Washington from San Luis Obispo according to our data. Alaska Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

As of August 2026, 1 flights take off from San Luis Obispo and land in State of Washington each day. The most common flight departure time for this route is 10:00AM, with 69% of daily flights taking off at noon.

As of August 2026, there are 8 flights per week flying from San Luis Obispo to State of Washington. The most common day of the week flights depart is Tue, with 75% of flights taking off on this day.