Seattle

$99+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — SEA
Jul 8 — Jul 151
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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 Saturday 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 July 3, 2025.

Round-trip from

$192
(United Airlines)

One-way from

$99
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$327

Good round-trip deal

$309 or less

Good one-way deal

$118 or less
From San Luis Obispo County to Seattle/Tacoma Intl
One-way flight from San Luis Obispo County to Seattle/Tacoma Intl
Highest demand for flights based on searches. 25% potential increase in price ($107 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from San Luis Obispo County to Seattle/Tacoma Intl.
Price to beat on a one-way flight from San Luis Obispo County to Seattle/Tacoma Intl.

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 July 3, 2025.

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.
Thu 8/214:44 pmSBP - SEA
1 stop5h 31mUnited Airlines
Mon 8/252:29 pmSEA - SBP
1 stop5h 23mUnited Airlines
Deal found 7/2$192
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:29 pmSBP - SEA
Nonstop2h 32mAlaska Airlines
Sat 8/233:13 pmSEA - SBP
Nonstop2h 24mAlaska Airlines
Deal found 7/2$197
This Hawaiian Airlines deal was found by Cheapflights users on 7/3. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:29 pmSBP - SEA
Nonstop2h 32mHawaiian Airlines
Tue 9/29:55 amSEA - SBP
1 stop6h 48mHawaiian Airlines
Deal found 7/3$207
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.
Thu 8/2812:30 pmSBP - SEA
1 stop8h 04mAmerican Airlines
Thu 9/46:11 amSEA - SBP
1 stop5h 52mAmerican Airlines
Deal found 7/1$301

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 3, 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

Thu 8/21

4:44 pm-10:15 pm

1 stop5h 31m

Seattle/Tacoma Intl

Mon 8/25

2:29 pm-7:52 pm

1 stop5h 23m

$192

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Wed 8/20

6:29 pm-9:01 pm

Nonstop2h 32m

Seattle/Tacoma Intl

Sat 8/23

3:13 pm-5:37 pm

Nonstop2h 24m

$197

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Thu 8/28

6:29 pm-9:01 pm

Nonstop2h 32m

Seattle/Tacoma Intl

Tue 9/2

9:55 am-4:43 pm

1 stop6h 48m

$207

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Thu 8/28

12:30 pm-8:34 pm

1 stop8h 04m

Seattle/Tacoma Intl

Thu 9/4

6:11 am-12:03 pm

1 stop5h 52m

$301

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Sat 9/13

12:53 pm-9:08 pm

1 stop8h 15m

$99

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Fri 10/10

7:50 pm-10:20 pm

Nonstop2h 30m

$119

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Sat 8/2

6:00 pm-12:59 am

1 stop6h 59m

$139

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Mon 8/11

6:07 am-12:06 am

2 stops17h 59m

$200

San Luis ObispoSeattle

SBP - SEA

SBPSEA

San Luis Obispo County

Sat 8/2

5:10 am-4:40 pm

3 stops11h 30m

$1,100

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 June 27, 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 July is currently the most expensive (average of $390). 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 3, 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 34% 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 June 29, 2025.

Travelers seeking maximum savings on their San Luis Obispo to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Tuesday 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 3, 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.

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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

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

    According to our current data, United Airlines ($192), Alaska Airlines ($197), and Hawaiian Airlines ($207) offers the cheapest pricing from San Luis Obispo to Seattle. You may be able to fly from San Luis Obispo to Seattle for 38% 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?

    $99 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 Hawaiian Airlines and United Airlines, with prices starting from $119 and $139, respectively.

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

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (San Luis Obispo County - Seattle/Tacoma Intl) can be booked for $197 on average our data indicates $277 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 $390). 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
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Luis Obispo to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$168Average$313FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$176Average$362FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$197Average$257FlexibilityNo cancel feeOn-time85%

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