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San Luis Obispo

$99+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SBP
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San Luis Obispo County are usually found in January or February, booked 69 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 August 20, 2025.

Round-trip from

$159
(American Airlines)

One-way from

$99
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$257

Good round-trip deal

$216 or less

Good one-way deal

$333 or less
From Seattle/Tacoma Intl to San Luis Obispo County
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One-way flight from Seattle/Tacoma Intl to San Luis Obispo County
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Highest demand for flights based on searches. 13% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to San Luis Obispo County.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to San Luis Obispo County.
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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 August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 9/166:11 amSEA - SBP
1 stop5h 52mAmerican Airlines
Wed 9/1712:53 pmSBP - SEA
1 stop8h 15mAmerican Airlines
Deal found 8/18$159
This Hawaiian Airlines deal was found by Cheapflights users on 8/18. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/224:10 pmSEA - SBP
Nonstop2h 28mHawaiian Airlines
Sat 10/257:50 pmSBP - SEA
Nonstop2h 37mHawaiian Airlines
Deal found 8/18$177
This Hawaiian Airlines deal was found by Cheapflights users on 8/20. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:13 pmSEA - SBP
Nonstop2h 24mHawaiian Airlines
Mon 10/67:50 pmSBP - SEA
Nonstop2h 37mHawaiian Airlines
Deal found 8/20$187
This Hawaiian Airlines deal was found by Cheapflights users on 8/18. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:38 pmSEA - SBP
Nonstop2h 23mHawaiian Airlines
Tue 11/187:56 pmSBP - SEA
Nonstop2h 34mHawaiian Airlines
Deal found 8/18$196
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 10/228:50 amSEA - SBP
1 stop4h 44mAlaska Airlines
Sat 10/252:14 pmSBP - SEA
1 stop6h 21mAlaska Airlines
Deal found 8/18$197
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 11/148:00 amSEA - SBP
1 stop8h 47mAlaska Airlines
Tue 11/182:59 pmSBP - SEA
1 stop5h 35mAlaska Airlines
Deal found 8/18$206
This Hawaiian Airlines deal was found by Cheapflights users on 8/18. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:53 amSEA - SBP
1 stop6h 24mHawaiian Airlines
Wed 9/176:29 pmSBP - SEA
Nonstop2h 32mHawaiian Airlines
Deal found 8/18$207
This Hawaiian Airlines deal was found by Cheapflights users on 8/18. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:38 pmSEA - SBP
Nonstop2h 23mHawaiian Airlines
Sun 11/167:56 pmSBP - SEA
Nonstop2h 34mHawaiian Airlines
Deal found 8/18$234
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 9/1612:00 pmSEA - SBP
2 stops25h 32mAlaska Airlines
Wed 9/174:57 pmSBP - SEA
1 stop6h 02mAlaska Airlines
Deal found 8/18$245

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 August 20, 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

Tue 9/16

6:11 am-12:03 pm

1 stop5h 52m

San Luis Obispo County

Wed 9/17

12:53 pm-9:08 pm

1 stop8h 15m

$159

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Wed 10/22

4:10 pm-6:38 pm

Nonstop2h 28m

San Luis Obispo County

Sat 10/25

7:50 pm-10:27 pm

Nonstop2h 37m

$177

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Wed 10/1

3:13 pm-5:37 pm

Nonstop2h 24m

San Luis Obispo County

Mon 10/6

7:50 pm-10:27 pm

Nonstop2h 37m

$187

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Wed 10/1

3:13 pm-5:37 pm

Nonstop2h 24m

San Luis Obispo County

Mon 10/6

7:50 pm-10:27 pm

Nonstop2h 37m

$187

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Wed 11/19

4:38 pm-7:01 pm

Nonstop2h 23m

San Luis Obispo County

Thu 11/27

11:36 am-2:08 pm

Nonstop2h 32m

$187

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Fri 11/14

4:38 pm-7:01 pm

Nonstop2h 23m

San Luis Obispo County

Tue 11/18

7:56 pm-10:30 pm

Nonstop2h 34m

$196

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Fri 11/14

4:38 pm-7:01 pm

Nonstop2h 23m

San Luis Obispo County

Tue 11/18

7:56 pm-10:30 pm

Nonstop2h 34m

$196

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Thu 9/18

7:00 am-2:26 pm

1 stop7h 26m

$99

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Sun 10/5

6:11 am-12:03 pm

1 stop5h 52m

$99

SeattleSan Luis Obispo

SEA - SBP

SEASBP

Seattle/Tacoma Intl

Fri 9/12

7:00 am-2:26 pm

1 stop7h 26m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 18 results
1
2

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 August 8, 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 69 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 August 20, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 39% 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 August 17, 2025.

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

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 August 20, 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

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,670 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 23m 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, 3 users have taken a look at flights from Seattle/Tacoma Intl to San Luis Obispo County.

  • How long is the flight from Seattle to San Luis Obispo?

    American Airlines, Hawaiian Airlines, and Alaska Airlines can get you from Seattle to San Luis Obispo in just under 2h 24m. Your travel time can differ by up to 3h 28m. There are 848 mi between Seattle and San Luis Obispo. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 Alaska Airlines. Our recent data shows that you can find tickets from as low as $168 on this airline. Additional options worth looking into are United Airlines and Hawaiian Airlines, starting at $176 and $197 round-trip. These flights start at 43% 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?

    $99 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Alaska Airlines, with prices starting from $99 and $128, respectively.

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

    Consider Qatar Airways (67%), Alaska Airlines (67%) or Hawaiian Airlines (67%) 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 $304, our data indicates the cheapest price to be $136. The most popular route (Seattle/Tacoma Intl - San Luis Obispo County), is priced around $177.

  • 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

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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$168Average$307FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$176Average$286FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$197Average$300FlexibilityNo cancel feeOn-time85%

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