HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$179+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — SEA
Aug 5 — Aug 121
Wed 8/5
Wed 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Luis Obispo to Seattle 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 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 6, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/5. 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
Wed 9/303:35 pm
SEA
-
SBP
Nonstop2h 28m
Alaska Airlines
Deal found 7/5$277
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/269:05 am
SEA
-
SBP
2 stops8h 17m
United Airlines
Deal found 7/2$302
This Alaska Airlines deal was found by Cheapflights users on 7/6. 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 10/47:00 am
SEA
-
SBP
Nonstop2h 29m
Alaska Airlines
Deal found 7/6$307
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 stop13h 52m
Alaska Airlines
Tue 8/257:00 am
SEA
-
SBP
Nonstop2h 31m
Alaska Airlines
Deal found 7/5$320
This American Airlines deal was found by Cheapflights users on 7/1. 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 9/161:00 pm
SBP
-
SEA
1 stop7h 29m
American Airlines
Sun 9/206:00 am
SEA
-
SBP
1 stop6h 11m
American Airlines
Deal found 7/1$322
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Fri 8/284:25 pm
SBP
-
SEA
2 stops7h 01m
United Airlines
Sat 8/295:00 am
SEA
-
SBP
1 stop8h 24m
United Airlines
Deal found 7/5$323
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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
2 stops10h 28m
Alaska Airlines
Wed 8/267:00 am
SEA
-
SBP
Nonstop2h 31m
Alaska Airlines
Deal found 7/5$325
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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
2 stops10h 28m
Alaska Airlines
Sat 8/227:40 am
SEA
-
SBP
1 stop7h 04m
Alaska Airlines
Deal found 7/5$330

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 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$277
(Expedia)

One-way from

$179
(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. 9% potential increase in price ($33 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 6, 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

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Sat 9/26

7:33 am-1:38 pm

1 stop6h 05m

Seattle/Tacoma Intl

Wed 9/30

3:51 pm-8:01 pm

1 stop4h 10m

$297

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Fri 7/31

8:28 pm-1:29 am

1 stop5h 01m

Seattle/Tacoma Intl

Mon 8/3

7:00 am-11:38 am

1 stop4h 38m

$347
Quickest round-trip

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Wed 9/9

5:34 pm-10:39 pm

1 stop5h 05m

Seattle/Tacoma Intl

Thu 9/10

7:00 am-9:38 am

Nonstop2h 38m

$347

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Tue 7/28

8:28 pm-1:13 am

1 stop4h 45m

Seattle/Tacoma Intl

Sat 8/1

5:00 am-11:38 am

1 stop6h 38m

$347

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Fri 10/2

5:34 pm-10:39 pm

1 stop5h 05m

Seattle/Tacoma Intl

Sun 10/11

8:37 am-4:47 pm

1 stop8h 10m

$357

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Tue 8/11

7:34 pm-9:58 pm

Nonstop2h 24m

Seattle/Tacoma Intl

Tue 8/18

4:45 pm-2:44 pm

1 stop21h 59m

$375
Cheapest one-way

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

Sat 7/25

7:34 pm-9:58 pm

Nonstop2h 24m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

Sorted by cheapest first

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 $500). 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 6, 2026.

A simple way to save on the total cost of your ticket is to fly from San Luis Obispo to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 33% 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 4, 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. Monday mornings 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 6, 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
12,628 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.0

Food

7.0

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
12,628 reviews
Alaska Airlines
7.9
Good
12,628 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.0

Food

7.0

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
2,825 reviews
Alaska Airlines
7.9
Good
12,628 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.0

Food

7.0

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
9,940 reviews
Alaska Airlines
7.9
Good
12,628 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.0

Food

7.0

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. This flight may include one or multiple stops.

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

    According to our current data, Hawaiian Airlines ($120), Alaska Airlines ($154), 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 Hawaiian Airlines, with prices starting from $108 and $118, 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 SkyWest Airlines (86%), Qatar Airways (83%) or Alaska Airlines (80%) 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 $317 on average, our data indicates $382 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 $500). 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
Lacey
Leavenworth
Olympia
Ocean Shores
Edmonds
Snoqualmie
Tumwater
Tukwila
Renton
Kent
Lynnwood
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline
Centralia

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 San Luis Obispo to Seattle

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

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 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$120Average$233FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$157Average$386FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$177Average$434FlexibilityNo cancel feeOn-time69%

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.