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$79+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — SEA
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from San Luis Obispo County to Seattle/Tacoma Intl are usually found in January or February, booked 41 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap 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 August 20, 2025.

Round-trip from

$157
(United Airlines)

One-way from

$79
(United Airlines)

Popular in

November

Cheapest in

January

Average price

$298

Good round-trip deal

$201 or less

Good one-way deal

$192 or less
From San Luis Obispo County to Seattle/Tacoma Intl
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One-way flight from San Luis Obispo County to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 25% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($25 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 San Luis Obispo County to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from San Luis Obispo County to Seattle/Tacoma Intl.
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Find 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 August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/19. 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 9/306:22 pmSBP - SEA
1 stop4h 53mUnited Airlines
Tue 10/73:28 pmSEA - SBP
1 stop6h 46mUnited Airlines
Deal found 8/19$157
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/227:50 pmSBP - SEA
Nonstop2h 37mAlaska Airlines
Tue 10/284:38 pmSEA - SBP
Nonstop2h 23mAlaska Airlines
Deal found 8/19$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.
Sat 10/117:50 pmSBP - SEA
Nonstop2h 37mHawaiian Airlines
Sat 10/187:15 amSEA - SBP
1 stop6h 19mHawaiian Airlines
Deal found 8/20$187
This United Airlines deal was found by Cheapflights users on 8/19. 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 11/76:25 pmSBP - SEA
1 stop6h 34mUnited Airlines
Tue 11/111:20 pmSEA - SBP
1 stop6h 30mUnited Airlines
Deal found 8/19$188
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:29 pmSBP - SEA
Nonstop2h 32mAlaska Airlines
Thu 9/183:13 pmSEA - SBP
Nonstop2h 24mAlaska Airlines
Deal found 8/17$196
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:56 pmSBP - SEA
Nonstop2h 34mAlaska Airlines
Sun 11/24:38 pmSEA - SBP
Nonstop2h 23mAlaska Airlines
Deal found 8/20$197
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:23 pmSBP - SEA
1 stop5h 06mAlaska Airlines
Tue 9/169:53 amSEA - SBP
1 stop6h 24mAlaska Airlines
Deal found 8/17$206
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:29 pmSBP - SEA
Nonstop2h 32mAlaska Airlines
Tue 9/169:53 amSEA - SBP
1 stop6h 24mAlaska Airlines
Deal found 8/17$207
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 9/176:29 pmSBP - SEA
Nonstop2h 32mAlaska Airlines
Wed 9/243:13 pmSEA - SBP
Nonstop2h 24mAlaska Airlines
Deal found 8/18$211
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.
Sat 11/17:56 pmSBP - SEA
Nonstop2h 34mAlaska Airlines
Fri 11/74:38 pmSEA - SBP
Nonstop2h 23mAlaska Airlines
Deal found 8/18$215
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 9/184:57 pmSBP - SEA
1 stop6h 02mHawaiian Airlines
Sun 9/213:13 pmSEA - SBP
Nonstop2h 24mHawaiian Airlines
Deal found 8/18$216

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 August 20, 2025.
Use the filters below to find and compare flights from San Luis Obispo to Seattle that are best for you.

Fly from

San Luis Obispo

Fly to

Seattle

Route

Depart

Return

Price

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Tue 9/30

6:22 pm-11:15 pm

1 stop4h 53m

Seattle/Tacoma Intl

Tue 10/7

3:28 pm-10:14 pm

1 stop6h 46m

$157

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Tue 9/30

6:29 pm-9:01 pm

Nonstop2h 32m

Seattle/Tacoma Intl

Tue 10/7

4:30 pm-6:58 pm

Nonstop2h 28m

$177

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Sat 11/8

7:56 pm-10:30 pm

Nonstop2h 34m

Seattle/Tacoma Intl

Tue 11/11

4:38 pm-7:01 pm

Nonstop2h 23m

$177

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Thu 10/23

6:22 pm-12:59 am

1 stop6h 37m

Seattle/Tacoma Intl

Tue 10/28

2:30 pm-7:50 pm

1 stop5h 20m

$177

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Sat 11/8

7:56 pm-10:30 pm

Nonstop2h 34m

Seattle/Tacoma Intl

Wed 11/12

4:38 pm-7:01 pm

Nonstop2h 23m

$177

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Tue 9/9

6:29 pm-9:01 pm

Nonstop2h 32m

Seattle/Tacoma Intl

Wed 9/17

3:13 pm-5:37 pm

Nonstop2h 24m

$177

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Wed 10/22

7:50 pm-10:27 pm

Nonstop2h 37m

Seattle/Tacoma Intl

Tue 10/28

4:38 pm-7:01 pm

Nonstop2h 23m

$177

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Wed 10/22

7:50 pm-10:27 pm

Nonstop2h 37m

Seattle/Tacoma Intl

Wed 10/29

4:38 pm-7:01 pm

Nonstop2h 23m

$177

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Wed 9/10

6:29 pm-9:01 pm

Nonstop2h 32m

Seattle/Tacoma Intl

Wed 9/17

3:13 pm-5:37 pm

Nonstop2h 24m

$177

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Thu 9/11

6:29 pm-9:01 pm

Nonstop2h 32m

Seattle/Tacoma Intl

Wed 9/17

3:13 pm-5:37 pm

Nonstop2h 24m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 21 results
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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?

Use this chart to determine the optimal time to book a round-trip flight from San Luis Obispo to Seattle. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from San Luis Obispo to Seattle, you should look to book at least 41 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 $238). Flying from San Luis Obispo to Seattle in June is currently the most expensive (average of $388). 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 August 20, 2025.

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 40% 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 August 17, 2025.

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

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 August 20, 2025.
Read through reviews of airlines operating flights from San Luis Obispo to Seattle, 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

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,668 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 20m 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 10 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 32m. 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, Alaska Airlines ($166), United Airlines ($176), and Hawaiian Airlines ($195) offers the cheapest pricing from San Luis Obispo to Seattle. You may be able to fly from San Luis Obispo to Seattle for 44% less than the average price by searching for these airlines.

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

    Looking at all options, your cheapest flight can be booked for $170. While the most popular route (San Luis Obispo County - Seattle/Tacoma Intl) can be booked for $157 on average our data indicates $284 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 $238). Flying from San Luis Obispo to Seattle in June is currently the most expensive (average of $388). 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
Tukwila
Tacoma
Lakewood
Lacey
Ocean Shores
Lynnwood
Leavenworth
Renton
Olympia
Kent
Cle Elum
Puyallup
Chehalis
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Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$166Average$297FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$176Average$389FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$195Average$257FlexibilityNo cancel feeOn-time85%

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