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$144+ Cheap flights from San Luis Obispo to Seattle (SBP - SEA)

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — SEA
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Luis Obispo County to Seattle/Tacoma Intl are usually found in January or October, booked 44 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from San Luis Obispo to Seattle

Cheapest flights from San Luis Obispo to Seattle
Explore the most affordable flight options available from San Luis Obispo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 22, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 10/246:30 pm
SBP
-
SEA
Nonstop2h 29m
Alaska Airlines
Tue 10/277:00 am
SEA
-
SBP
Nonstop2h 29m
Alaska Airlines
Deal found 7/21$267
This United Airlines deal was found by Cheapflights users on 7/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:10 am
SBP
-
SEA
2 stops9h 04m
United Airlines
Tue 8/257:11 am
SEA
-
SBP
1 stop4h 42m
United Airlines
Deal found 7/20$292
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/222:20 pm
SBP
-
SEA
1 stop4h 09m
United Airlines
Wed 9/29:05 am
SEA
-
SBP
1 stop6h 17m
United Airlines
Deal found 7/21$297
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 9/266:43 pm
SBP
-
SEA
Nonstop2h 27m
Alaska Airlines
Sun 10/43:23 pm
SEA
-
SBP
Nonstop2h 27m
Alaska Airlines
Deal found 7/22$302
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:34 pm
SBP
-
SEA
1 stop5h 05m
Alaska Airlines
Tue 9/811:32 am
SEA
-
SBP
1 stop27h 12m
Alaska Airlines
Deal found 7/20$305
This flugladen.de deal was found by Cheapflights users on 7/22. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:24 pm
SBP
-
SEA
1 stop6h 16m
Alaska Airlines
Sun 8/307:00 am
SEA
-
SBP
Nonstop2h 31m
Alaska Airlines
Deal found 7/22$307
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
SBP
-
SEA
1 stop11h 51m
Alaska Airlines
Tue 8/257:00 am
SEA
-
SBP
Nonstop2h 31m
Alaska Airlines
Deal found 7/20$310

Find flight deals from San Luis Obispo to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from San Luis Obispo (SBP) to Seattle (SEA). 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 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$267
(Alaska Airlines)

One-way from

$144
(United Airlines)

Popular in

November

Cheapest in

January

Average price

$417

Good round-trip deal

$417 or less

Good one-way deal

$238 or less
Provider with most accurate pricing for San Luis Obispo County-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Luis Obispo County-Seattle/Tacoma Intl flights.
Search Deals
From San Luis Obispo County to Seattle/Tacoma Intl
Search Deals
One-way flight from San Luis Obispo County to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from San Luis Obispo County to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from San Luis Obispo County to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Luis Obispo to Seattle 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 22, 2026.
Use the filters below to find and compare flights from San Luis Obispo to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Sat 9/26

6:43 pm-9:10 pm

Nonstop2h 27m

Seattle/Tacoma Intl

Sun 10/4

3:23 pm-5:50 pm

Nonstop2h 27m

$302

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Thu 10/1

10:18 am-12:45 pm

Nonstop2h 27m

Seattle/Tacoma Intl

Tue 10/6

7:00 am-9:29 am

Nonstop2h 29m

$302

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Sat 9/5

10:11 am-12:38 pm

Nonstop2h 27m

Seattle/Tacoma Intl

Fri 9/11

6:21 pm-2:44 pm

1 stop20h 23m

$305

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Thu 8/27

6:37 pm-9:04 pm

Nonstop2h 27m

Seattle/Tacoma Intl

Sun 8/30

7:00 am-9:31 am

Nonstop2h 31m

$343

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Fri 10/2

6:00 am-9:28 am

1 stop27h 28m

Seattle/Tacoma Intl

Sun 10/11

7:04 am-1:46 pm

1 stop6h 42m

$355

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Thu 8/27

2:20 pm-6:29 pm

1 stop4h 09m

Seattle/Tacoma Intl

Sun 8/30

9:05 am-3:21 pm

1 stop6h 16m

$357
Cheapest one-way

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Tue 9/8

2:10 pm-8:43 pm

1 stop6h 33m

$144

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Tue 9/15

8:11 am-6:29 pm

2 stops10h 18m

$154

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Thu 10/1

5:34 pm-10:39 pm

1 stop5h 05m

$179
Quickest one-way

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Fri 8/21

2:20 pm-6:29 pm

1 stop4h 09m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from San Luis Obispo to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Luis Obispo to Seattle in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Luis Obispo-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Luis Obispo-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Luis Obispo-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Luis Obispo-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Luis Obispo-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Seattle from San Luis Obispo 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 San Luis Obispo to Seattle

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

To ensure you get the cheapest price possible for a flight from San Luis Obispo to Seattle, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from San Luis Obispo to Seattle (average of $167). Flying from San Luis Obispo to Seattle in November is currently the most expensive (average of $506). 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 SBP to SEA?

Find hourly flight availability from San Luis Obispo to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 22, 2026.

A simple way to save on the total cost of your ticket is to fly from San Luis Obispo to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from San Luis Obispo to Seattle. Price data was last updated on July 18, 2026.

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

How much does it cost to fly round-trip from San Luis Obispo to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated July 22, 2026.
Read through reviews of airlines operating flights from San Luis Obispo to Seattle, such as Alaska Airlines,Hawaiian Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,691 reviews

Entertainment

7.0

Overall

7.9

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
7.9
Good
12,691 reviews
Alaska Airlines
7.9
Good
12,691 reviews

Entertainment

7.0

Overall

7.9

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,822 reviews
Alaska Airlines
7.9
Good
12,691 reviews

Entertainment

7.0

Overall

7.9

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
United Airlines
7.4
Good
10,021 reviews
Alaska Airlines
7.9
Good
12,691 reviews

Entertainment

7.0

Overall

7.9

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from San Luis Obispo to Seattle. 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 San Luis Obispo to Seattle?

    Booking a flight from San Luis Obispo County (SBP) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from San Luis Obispo to Seattle. On a typical day, there are 3 flights from County to Seattle/Tacoma Intl, all of which are around 2h 24m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from County to Seattle.

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

    Flights from San Luis Obispo County to Seattle/Tacoma Intl have been viewed 5 times in the past calendar month.

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

    Departing from San Luis Obispo to Seattle will take you 2h 27m. San Luis Obispo and Seattle are separated by a distance of 848 mi. All flights are typically nonstop.

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

    According to our current data, Hawaiian Airlines ($120), Alaska Airlines ($157), and United Airlines ($177) offers the cheapest pricing from San Luis Obispo to Seattle. You may be able to fly from San Luis Obispo to Seattle for 64% less than the average price by searching for these airlines.

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

    $83 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 United Airlines, with prices starting from $108 and $125, respectively.

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

    No one likes to see their flight delayed. When booking a flight from San Luis Obispo to Seattle consider choosing Qatar Airways (88%), SkyWest Airlines (88%) or Finnair (87%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $192. While the most popular route (San Luis Obispo County - Seattle/Tacoma Intl) can be booked for $287 on average, our data indicates $391 when flying from San Luis Obispo to Seattle.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Luis Obispo to Seattle 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 San Luis Obispo to Seattle?

    Currently, January is the cheapest month in which you can book a flight from San Luis Obispo to Seattle (average of $167). Flying from San Luis Obispo to Seattle in November is currently the most expensive (average of $506). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Renton
Lacey
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
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Lakewood
Lynnwood
Issaquah

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Top 3 airlines flying from San Luis Obispo to Seattle

Discover the top 3 airlines that operate flights from San Luis Obispo to Seattle. 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 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$120Average$197FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$157Average$390FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$177Average$434FlexibilityNo cancel feeOn-time69%

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