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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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — SEA
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 66 days in advance, depart on a Thursday or Friday and return on a Wednesday

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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(United Airlines)

One-way from

$79
(United Airlines)

Popular in

November

Cheapest in

January

Average price

$281

Good round-trip deal

$267 or less

Good one-way deal

$196 or less
Provider with most accurate pricing for San Luis Obispo County-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for San Luis Obispo County-Seattle/Tacoma Intl flights.
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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. 19% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 25, 2025.

This United Airlines deal was found by Cheapflights users on 3/24. 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 4/306:25 amSBP - SEA
1 stop7h 34mUnited Airlines
Sat 5/35:05 amSEA - SBP
1 stop4h 47mUnited Airlines
Deal found 3/24$157
This Hawaiian Airlines deal was found by Cheapflights users on 3/24. 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 5/27:14 pmSBP - SEA
Nonstop2h 27mHawaiian Airlines
Mon 5/54:00 pmSEA - SBP
Nonstop2h 22mHawaiian Airlines
Deal found 3/24$197
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 4/307:14 pmSBP - SEA
Nonstop2h 27mAlaska Airlines
Sat 5/34:00 pmSEA - SBP
Nonstop2h 22mAlaska Airlines
Deal found 3/24$221
This American Airlines deal was found by Cheapflights users on 3/24. 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 7/1012:36 pmSBP - SEA
1 stop7h 53mAmerican Airlines
Fri 7/116:27 amSEA - SBP
1 stop5h 27mAmerican Airlines
Deal found 3/24$277

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 March 25, 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

Wed 4/30

6:25 am-1:59 pm

1 stop7h 34m

Seattle/Tacoma Intl

Sat 5/3

5:05 am-9:52 am

1 stop4h 47m

$157

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Fri 5/2

7:14 pm-9:41 pm

Nonstop2h 27m

Seattle/Tacoma Intl

Mon 5/5

4:00 pm-6:22 pm

Nonstop2h 22m

$197

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Wed 4/30

7:14 pm-9:41 pm

Nonstop2h 27m

Seattle/Tacoma Intl

Sat 5/3

4:00 pm-6:22 pm

Nonstop2h 22m

$221

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Thu 7/10

12:36 pm-8:29 pm

1 stop7h 53m

Seattle/Tacoma Intl

Fri 7/11

6:27 am-11:54 am

1 stop5h 27m

$277

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Wed 4/23

2:43 pm-9:15 pm

1 stop6h 32m

$79

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Wed 4/23

7:14 pm-9:41 pm

Nonstop2h 27m

$123

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Mon 5/5

7:14 pm-9:41 pm

Nonstop2h 27m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 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?

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 March 21, 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 66 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 July is currently the most expensive (average of $411). 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 March 25, 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 38% on your trip compared to booking a flight at noon.

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 March 23, 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.

Weekly flight availability from San Luis Obispo to Seattle

Explore weekly flight availability from San Luis Obispo to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 25, 2025.

The most flights from SBP to SEA are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 March 25, 2025.
Alaska Airlines
8.0
Very good
9,782 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 25m 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 8 times in the past calendar month.

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

    According to our current data, United Airlines ($157), Hawaiian Airlines ($197), and Alaska Airlines ($221) offers the cheapest pricing from San Luis Obispo to Seattle. You may be able to fly from San Luis Obispo to Seattle for 53% 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?

    $79 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 Hawaiian Airlines and Alaska Airlines, with prices starting from $123 and $129, respectively.

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

    Looking at all options, your cheapest flight can be booked for $144. While the most popular route (San Luis Obispo County - Seattle/Tacoma Intl) can be booked for $197 on average our data indicates $287 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 July is currently the most expensive (average of $411). 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
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$169Average$359FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$186Average$355FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$197Average$267FlexibilityNo cancel feeOn-time85%
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