HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Luis Obispo

$80+ Cheap flights from Seattle to San Luis Obispo (SEA - SBP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SBP
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to San Luis Obispo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San Luis Obispo County are usually found in January or February, booked 29 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Seattle to San Luis Obispo

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San Luis Obispo (SBP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 18, 2025.

Round-trip from

$157
(United Airlines)

One-way from

$80
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$357

Good round-trip deal

$216 or less

Good one-way deal

$148 or less
From Seattle/Tacoma Intl to San Luis Obispo County
Search Deals
One-way flight from Seattle/Tacoma Intl to San Luis Obispo County
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to San Luis Obispo County.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to San Luis Obispo County.
Search Deals

Find flight deals from Seattle to San Luis Obispo

Cheapest flights from Seattle to San Luis Obispo
Explore the most affordable flight options available from Seattle to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2025.

This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:10 amSEA - SBP
1 stop7h 01mUnited Airlines
Sun 8/176:00 amSBP - SEA
1 stop7h 46mUnited Airlines
Deal found 7/16$157
This American Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:11 amSEA - SBP
1 stop5h 52mAmerican Airlines
Sat 9/1312:53 pmSBP - SEA
1 stop8h 15mAmerican Airlines
Deal found 7/17$159
This Trip.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/313:13 pmSEA - SBP
Nonstop2h 24mHawaiian Airlines
Sun 9/76:29 pmSBP - SEA
Nonstop2h 31mHawaiian Airlines
Deal found 7/17$174
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/63:10 pmSEA - SBP
Nonstop2h 27mAlaska Airlines
Wed 9/106:29 pmSBP - SEA
Nonstop2h 32mAlaska Airlines
Deal found 7/16$177

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to San Luis Obispo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 18, 2025.
Use the filters below to find and compare flights from Seattle to San Luis Obispo that are best for you.

Fly from

Seattle

Fly to

San Luis Obispo

Route

Depart

Return

Price

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Sat 8/16

5:10 am-12:11 pm

1 stop7h 01m

San Luis Obispo County

Sun 8/17

6:00 am-1:46 pm

1 stop7h 46m

$157

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Wed 9/10

6:11 am-12:03 pm

1 stop5h 52m

San Luis Obispo County

Sat 9/13

12:53 pm-9:08 pm

1 stop8h 15m

$159

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Sun 8/31

3:13 pm-5:37 pm

Nonstop2h 24m

San Luis Obispo County

Sun 9/7

6:29 pm-9:00 pm

Nonstop2h 31m

$174

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Sat 9/6

3:10 pm-5:37 pm

Nonstop2h 27m

San Luis Obispo County

Wed 9/10

6:29 pm-9:01 pm

Nonstop2h 32m

$177

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Tue 8/19

6:30 am-12:00 pm

1 stop5h 30m

$80

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Tue 8/19

4:17 pm-6:43 pm

Nonstop2h 26m

$89

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Tue 8/26

11:20 am-4:43 pm

1 stop5h 23m

$98

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Thu 7/31

5:10 pm-11:59 pm

1 stop6h 49m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Best time to book a flight from Seattle to San Luis Obispo

Have a flexible travel schedule? Discover the best time to fly to San Luis Obispo from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to San Luis Obispo

How far ahead should I book a flight from Seattle to San Luis Obispo?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to San Luis Obispo. Price data was last updated on July 11, 2025.

The price you pay for your flight from Seattle to San Luis Obispo may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to San Luis Obispo?

Currently, January is the cheapest month in which you can book a flight from Seattle to San Luis Obispo (average of $374). Flying from Seattle to San Luis Obispo in June is currently the most expensive (average of $512). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to SBP?

Find hourly flight availability from Seattle to San Luis Obispo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 18, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 37% on flights from Seattle to San Luis Obispo by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Seattle to San Luis Obispo?

Use this chart to determine the cheapest time to fly round-trip from Seattle to San Luis Obispo. Price data was last updated on July 13, 2025.

Travelers seeking maximum savings on their Seattle to San Luis Obispo flight should consider departing on Saturday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to San Luis Obispo

Explore weekly flight availability from Seattle to San Luis Obispo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 18, 2025.

The most flights from SEA to SBP are scheduled on a Thursday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing San Luis Obispo

Get insights into the airlines that provide service to San Luis Obispo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Luis Obispo. Reviews last updated July 18, 2025.
Read through reviews of airlines operating flights from Seattle to San Luis Obispo, such as Alaska Airlines, Hawaiian Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.8
Good
2,581 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,864 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Luis Obispo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to San Luis Obispo?

    If you wish to fly to San Luis Obispo from Seattle, then you need to book flights from Seattle/Tacoma Intl to San Luis Obispo County. There are 2 flights from Seattle/Tacoma Intl (SEA) to County (SBP) per day to choose from. Flights to San Luis Obispo from Seattle/Tacoma Intl are available from 3 different airlines, which means you should have some options if you want to compare airfare deals. 2h 24m is how long a nonstop flight from Seattle to San Luis Obispo County typically takes.

  • How popular is this Seattle to San Luis Obispo flight route?

    Within the past month, 2 users have taken a look at flights from Seattle/Tacoma Intl to San Luis Obispo County.

  • What are the cheapest airlines flying from Seattle to San Luis Obispo round-trip?

    Our cheapest airline available from Seattle to San Luis Obispo is United Airlines. Our recent data shows that you can find tickets from as low as $157 on this airline. Additional options worth looking into are American Airlines and Hawaiian Airlines, starting at $159 and $174 round-trip. These flights start at 50% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to San Luis Obispo one-way?

    $80 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Alaska Airlines and Hawaiian Airlines, with prices starting from $89 and $98, respectively.

  • What are the most reliable airlines from Seattle to San Luis Obispo?

    Consider Qatar Airways (69%), Alaska Airlines (68%) or Hawaiian Airlines (68%) when booking your flight. These represent the most reliable airlines when flying from Seattle to San Luis Obispo.

  • What are the cheapest flights from Seattle to San Luis Obispo?

    Looking for the cheapest flight from Seattle to San Luis Obispo? While on average our users pay $252, our data indicates the cheapest price to be $118. The most popular route (Seattle/Tacoma Intl - San Luis Obispo County), is priced around $157.

  • Can I find deals for flights from Seattle to San Luis Obispo that include hotel bookings?

    Yes. In addition to deals on Seattle to San Luis Obispo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to San Luis Obispo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to San Luis Obispo.

  • Can I find deals for business class flights from Seattle to San Luis Obispo?

    Yes. Cheapflights offers flight deals from Seattle to San Luis Obispo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to San Luis Obispo?

    Currently, January is the cheapest month in which you can book a flight from Seattle to San Luis Obispo (average of $374). Flying from Seattle to San Luis Obispo in June is currently the most expensive (average of $512). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Luis Obispo?

Book flights to San Luis Obispo if you plan to visit one of these locations
Morro Bay
Avila Beach
Arroyo Grande
San Simeon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to San Luis Obispo

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Los Angeles flights
Seattle to Las Vegas flights
Seattle to San Francisco flights
Seattle to San Diego flights
Seattle to Ontario flights
Portland to Los Angeles flights
Seattle to Santa Ana flights
Everett to Las Vegas flights
Seattle to San Jose flights
Portland to Las Vegas flights
Seattle to Reno flights
Seattle to Burbank flights
Portland to Santa Ana flights
Seattle to Oakland flights
Portland to San Diego flights
Everett to San Francisco flights
Portland to Ontario flights
Portland to San Francisco flights
Portland to Burbank flights
Everett to Los Angeles flights
Seattle to Palm Springs flights
Seattle to Sacramento flights
Everett to San Diego flights
Portland to San Jose flights
Portland to Oakland flights
Everett to Santa Ana flights
Seattle to Fresno flights
Portland to Palm Springs flights
Portland to Sacramento flights
Portland to Reno flights
Seattle to Santa Barbara flights
Spokane to Las Vegas flights
Portland to San Luis Obispo flights
Spokane to Los Angeles flights
Seattle to Long Beach flights
Spokane to San Diego flights
Seattle to Santa Rosa flights
Pasco to Los Angeles flights
Portland to Santa Rosa flights
Seattle to Redding flights
Spokane to Sacramento flights
Seattle to Monterey flights
Portland to Long Beach flights
Pasco to Las Vegas flights
Portland to Santa Barbara flights
Everett to San Jose flights
Spokane to Ontario flights
Spokane to San Francisco flights
Pasco to San Francisco flights

Top 3 airlines flying from Seattle to San Luis Obispo

Discover the top 3 airlines that operate flights from Seattle to San Luis Obispo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$166Average$331FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$176Average$286FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$197Average$311FlexibilityNo cancel feeOn-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.