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 ($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.

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.

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).

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.

What are the most popular airlines that fly from San Luis Obispo to Seattle?

Before booking your flight from San Luis Obispo to Seattle check out the most popular airlines for this route: Alaska Airlines, Hawaiian Airlines or United Airlines.

What is the cheapest day to fly round-trip from San Luis Obispo to Seattle?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Seattle. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from San Luis Obispo to Seattle?

To save on the cost of your flight from San Luis Obispo to Seattle, book at least 42 days before your planned departure. Booking around this time can save you about 378% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $432 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $651.

What is the cheapest month to fly from San Luis Obispo to Seattle?

Our data shows that January tends to be the cheapest month to fly to Seattle from San Luis Obispo. Users have commonly found prices around $313 for the month, but tickets can be as low as $136. Due to multiple factors, prepare for potentially higher prices in November.

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.

$99+ Flights from San Luis Obispo to Seattle

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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 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

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

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One-way flight from San Luis Obispo County to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($107 potential increase over avg. RT price).

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Cheapest flight prices on average. 8% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

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

Wed 8/206:29 pmSBP - SEA

Nonstop2h 32mAlaska Airlines

Sat 8/233:13 pmSEA - SBP

Nonstop2h 24mAlaska Airlines

Deal found 7/2

$197

Thu 8/286:29 pmSBP - SEA

Nonstop2h 32mHawaiian Airlines

Tue 9/29:55 amSEA - SBP

1 stop6h 48mHawaiian Airlines

Deal found 7/3

$207

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

Best flights from San Luis Obispo to Seattle
Discover carefully curated flight deals from San Luis Obispo to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

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

Wed 8/206:29 pmSBP - SEA

Nonstop2h 32mAlaska Airlines

Sat 8/233:13 pmSEA - SBP

Nonstop2h 24mAlaska Airlines

Deal found 7/2

$197

Thu 8/286:29 pmSBP - SEA

Nonstop2h 32mHawaiian Airlines

Tue 9/29:55 amSEA - SBP

1 stop6h 48mHawaiian Airlines

Deal found 7/3

$207

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

Last-minute flights from San Luis Obispo to Seattle
Discover last-minute flight deals from San Luis Obispo to Seattle. Data last updated July 3, 2025 and is based on user searches.

Thu 7/107:35 pmSBP - SEA

Nonstop2h 32mAlaska Airlines

Mon 7/145:59 pmSEA - SBP

1 stop5h 14mAlaska Airlines

Deal found 7/1

$481

Thu 7/107:35 pmSBP - SEA

Nonstop2h 32mHawaiian Airlines

Mon 7/144:17 pmSEA - SBP

Nonstop2h 26mHawaiian Airlines

Deal found 7/3

$507

Thu 7/106:00 pmSBP - SEA

2 stops19h 46mUnited Airlines

Sun 7/135:10 amSEA - SBP

2 stops10h 41mUnited Airlines

Deal found 6/30

$916

Wed 8/206:29 pmSBP - SEA

Nonstop2h 32mAlaska Airlines

Sat 8/233:13 pmSEA - SBP

Nonstop2h 24mAlaska Airlines

Deal found 7/2

$197

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

Thu 8/286:29 pmSBP - SEA

Nonstop2h 32mHawaiian Airlines

Tue 9/29:55 amSEA - SBP

1 stop6h 48mHawaiian Airlines

Deal found 7/3

$207

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

One-way flights from San Luis Obispo to Seattle
Search for one-way flight options from San Luis Obispo to Seattle. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Sat 9/1312:53 pmSBP - SEA

1 stop8h 15mAmerican Airlines

Deal found 7/1

$99

Fri 10/107:50 pmSBP - SEA

Nonstop2h 30mHawaiian Airlines

Deal found 7/3

$119

Sat 8/26:00 pmSBP - SEA

1 stop6h 59mUnited Airlines

Deal found 7/1

$139

Mon 8/116:07 amSBP - SEA

2 stops17h 59mAlaska Airlines

Deal found 7/1

$200

Sat 8/25:10 amSBP - SEA

3 stops11h 30mMultiple Airlines

Deal found 7/1

$1,100

Cheapflights Fare Finder

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

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?

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?

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?

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

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

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

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

7.8

Good

2,545 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

8,861 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

10,000 reviews

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

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 ($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

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Lacey

Leavenworth

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Other flights to Seattle

Top 3 airlines flying from San Luis Obispo to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$168	Average$313	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$176	Average$362	FlexibilityNo cancel fee	On-time69%
Hawaiian Airlines	Cheapest$197	Average$257	FlexibilityNo cancel fee	On-time85%

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$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.

Find cheap flights from San Luis Obispo to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San Luis Obispo to Seattle

Cheapest flights from San Luis Obispo to SeattleExplore 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.

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.

Cheapflights Fare Finder

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

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.

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.

What is the cheapest month to book a flight from San Luis Obispo to Seattle?

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.

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.

How much does it cost to fly round-trip from San Luis Obispo to Seattle?

Reviews of airlines servicing Seattle

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.

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?

What are the cheapest airlines to fly from San Luis Obispo to Seattle one-way?

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

Can I find deals for flights from San Luis Obispo to Seattle that include hotel bookings?

How can I find direct flights from San Luis Obispo to Seattle?

Can I find deals for business class flights from San Luis Obispo to Seattle?

What is the cheapest month to book a flight from San Luis Obispo to Seattle?

Traveling to a place near San Luis Obispo?

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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

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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.