HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$158+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — SEA
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
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 June 8, 2026.

This Orbitz deal was found by Cheapflights users on 6/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:30 pm
SBP
-
SEA
Nonstop2h 29m
Alaska Airlines
Tue 11/37:05 am
SEA
-
SBP
Nonstop2h 28m
Alaska Airlines
Deal found 6/6$297
This Travelocity deal was found by Cheapflights users on 6/6. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:11 am
SBP
-
SEA
Nonstop2h 27m
Alaska Airlines
Tue 8/257:00 am
SEA
-
SBP
Nonstop2h 31m
Alaska Airlines
Deal found 6/6$307
This American Airlines deal was found by Cheapflights users on 6/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:45 pm
SBP
-
SEA
1 stop7h 25m
American Airlines
Tue 8/256:10 am
SEA
-
SBP
1 stop5h 48m
American Airlines
Deal found 6/6$317
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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 8/296:50 pm
SBP
-
SEA
Nonstop2h 27m
Alaska Airlines
Mon 8/315:59 pm
SEA
-
SBP
1 stop20h 45m
Alaska Airlines
Deal found 6/3$318
This United Airlines deal was found by Cheapflights users on 6/6. 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 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 stop6h 23m
United Airlines
Tue 8/251:16 pm
SEA
-
SBP
2 stops6h 45m
United Airlines
Deal found 6/6$322
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 9/166:43 pm
SBP
-
SEA
Nonstop2h 27m
Alaska Airlines
Sun 9/201:30 pm
SEA
-
SBP
1 stop6h 31m
Alaska Airlines
Deal found 6/7$327
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Thu 10/11:00 pm
SBP
-
SEA
1 stop7h 29m
American Airlines
Tue 10/611:58 am
SEA
-
SBP
1 stop6h 22m
American Airlines
Deal found 6/7$332
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 8/67:34 pm
SBP
-
SEA
Nonstop2h 24m
Alaska Airlines
Mon 8/247:50 pm
SEA
-
SBP
1 stop18h 54m
Alaska Airlines
Deal found 6/3$338
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:10 am
SBP
-
SEA
2 stops9h 04m
United Airlines
Tue 8/251:16 pm
SEA
-
SBP
1 stop6h 41m
United Airlines
Deal found 6/6$342
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 8/203:24 pm
SBP
-
SEA
1 stop8h 16m
Alaska Airlines
Mon 8/247:00 am
SEA
-
SBP
Nonstop2h 31m
Alaska Airlines
Deal found 6/3$347

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 June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Orbitz)

One-way from

$158
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$361

Good round-trip deal

$377 or less

Good one-way deal

$251 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. 15% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 8, 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

Thu 10/1

10:18 am-12:45 pm

Nonstop2h 27m

Seattle/Tacoma Intl

Tue 10/6

3:23 pm-5:50 pm

Nonstop2h 27m

$317

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Sat 10/31

2:12 pm-6:07 pm

1 stop3h 55m

Seattle/Tacoma Intl

Tue 11/3

9:02 am-5:19 pm

2 stops8h 17m

$322

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Thu 10/22

6:08 am-12:19 pm

1 stop6h 11m

Seattle/Tacoma Intl

Sat 10/24

8:20 am-1:45 pm

1 stop5h 25m

$337

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Fri 7/17

7:34 pm-9:58 pm

Nonstop2h 24m

Seattle/Tacoma Intl

Mon 7/27

7:40 am-10:10 am

Nonstop2h 30m

$337

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Thu 6/25

10:50 am-1:14 pm

Nonstop2h 24m

Seattle/Tacoma Intl

Sun 6/28

7:40 am-10:10 am

Nonstop2h 30m

$337

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Fri 6/26

8:28 pm-1:29 am

1 stop5h 01m

Seattle/Tacoma Intl

Tue 6/30

5:15 am-11:38 am

1 stop6h 23m

$347

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Sat 7/18

2:06 pm-9:03 pm

1 stop6h 57m

Seattle/Tacoma Intl

Wed 7/29

8:45 am-5:24 pm

2 stops8h 39m

$352

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Tue 7/7

8:28 pm-1:13 am

1 stop4h 45m

Seattle/Tacoma Intl

Tue 7/14

8:45 am-5:24 pm

2 stops8h 39m

$352

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Fri 6/26

7:34 pm-9:58 pm

Nonstop2h 24m

Seattle/Tacoma Intl

Tue 6/30

8:40 pm-11:40 pm

1 stop27h 00m

$369

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Wed 7/15

7:34 pm-9:58 pm

Nonstop2h 24m

Seattle/Tacoma Intl

Mon 7/20

4:45 pm-11:40 pm

1 stop6h 55m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 19 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 June.
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 $482). 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 June 8, 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 38% 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 May 30, 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 June 8, 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
12,481 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,481 reviews
Alaska Airlines
7.9
Good
12,481 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
7.9
Good
12,481 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
United Airlines
7.4
Good
9,785 reviews
Alaska Airlines
7.9
Good
12,481 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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 is 1 flight 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 ($147), 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 61% 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 $98 and $98, 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 Hawaiian Airlines (85%), Alaska Airlines (81%) or Horizon Air (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 $187. While the most popular route (San Luis Obispo County - Seattle/Tacoma Intl) can be booked for $347 on average, our data indicates $399 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 $482). 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
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline

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
Ontario to Seattle flights
San Francisco to Seattle flights
San Jose to Seattle flights
Santa Ana to Seattle flights
Los Angeles to Portland flights
San Diego to Seattle flights
Burbank to Seattle flights
Las Vegas to Seattle flights
San Francisco to Portland flights
Oakland to Seattle flights
Sacramento to Seattle flights
San Francisco to Everett flights
Los Angeles to Everett flights
San Jose to Portland flights
San Diego to Portland flights
Ontario to Portland flights
Burbank to Portland flights
San Jose to Everett flights
Santa Ana to Everett flights
San Diego to Everett flights
Santa Ana to Portland flights
Oakland to Portland flights
Long Beach to Seattle flights
Los Angeles to Spokane flights
Fresno to Seattle flights
Palm Springs to Seattle flights
Las Vegas to Portland flights
Santa Barbara to Seattle flights
Reno to Seattle flights
San Francisco to Spokane flights
Las Vegas to Everett flights
Sacramento to Portland flights
Monterey to Seattle flights
Medford to Seattle flights
San Diego to Spokane flights
Ontario to Spokane flights
Santa Rosa to Seattle flights
Sacramento to Spokane flights
Fresno to Portland flights
Long Beach to Portland flights
San Francisco to Pasco flights
Reno to Portland flights
Santa Ana to Spokane flights
Palm Springs to Portland flights
San Jose to Spokane flights
Arcata to Seattle flights
Burbank to Spokane flights
Bakersfield to Seattle 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 June 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$120Average$257FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$147Average$365FlexibilityNo 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.