$174+ Cheap flights from San Luis Obispo to Seattle (SBP - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — SEA
Dec 11 — Dec 181
Round-trip
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 February or May, booked 87 days in advance, depart on a Thursday or Wednesday and return on a Saturday
Cheap flight deals from San Luis Obispo to Seattle
Cheapest
Best
Last-minute
One-way
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 November 11, 2026.
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 November 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/56:00 am -
1 stop15h 57m
Tue 12/89:12 am -
1 stop14h 31m
Deal found 11/10![Alaska Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/36:00 am -
1 stop27h 32m
Mon 12/78:09 pm -
1 stop27h 34m
Deal found 11/10![Alaska Airlines logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 12/27:06 pm -
Nonstop2h 36m
Mon 12/78:09 pm -
1 stop27h 34m
Deal found 11/11![Alaska Airlines logo]()
$305
This Priceline deal was found by Cheapflights users on 11/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:06 pm -
Nonstop2h 36m
Sat 12/54:01 pm -
Nonstop2h 25m
Deal found 11/9![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/146:00 am -
1 stop27h 32m
Mon 1/47:00 am -
Nonstop2h 30m
Deal found 11/10![Alaska Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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.
Fri 12/47:06 pm -
Nonstop2h 36m
Tue 12/84:01 pm -
Nonstop2h 25m
Deal found 11/9![Alaska Airlines logo]()
$325
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 12/83:11 pm -
1 stop6h 46m
Sat 12/124:01 pm -
Nonstop2h 25m
Deal found 11/8![Alaska Airlines logo]()
$332
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/22:24 pm -
1 stop6h 23m
Sat 12/57:00 am -
1 stop5h 05m
Deal found 11/9![United Airlines logo]()
$337
Best flights from San Luis Obispo to SeattleDiscover 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 November 11, 2026.
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 November 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/56:00 am -
1 stop13h 18m
Tue 12/810:35 am -
1 stop13h 08m
Deal found 11/10![Alaska Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/22:24 pm -
1 stop4h 04m
Sat 12/59:01 am -
2 stops8h 51m
Deal found 11/9![United Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 12/83:11 pm -
1 stop6h 46m
Sat 12/124:01 pm -
Nonstop2h 25m
Deal found 11/8![Alaska Airlines logo]()
$332
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/22:24 pm -
1 stop4h 04m
Sun 12/67:00 am -
2 stops10h 52m
Deal found 11/9![United Airlines logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 12/216:59 pm -
Nonstop2h 46m
Sat 12/267:00 am -
Nonstop2h 30m
Deal found 11/8![Alaska Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 11/9. 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 1/274:44 pm -
2 stops6h 13m
Sun 1/3110:21 am -
2 stops7h 30m
Deal found 11/9![United Airlines logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/2510:10 am -
Nonstop2h 37m
Mon 1/48:09 pm -
1 stop18h 58m
Deal found 11/5![Alaska Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Thu 12/175:07 pm -
1 stop6h 51m
Wed 1/65:00 am -
1 stop6h 50m
Deal found 11/6![United Airlines logo]()
$357
Last-minute flights from San Luis Obispo to SeattleDiscover last-minute flight deals from San Luis Obispo to Seattle. Data last updated November 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Luis Obispo to Seattle. Data last updated November 11, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 12/27:06 pm -
Nonstop2h 36m
Mon 12/78:09 pm -
1 stop27h 34m
Deal found 11/11![Alaska Airlines logo]()
$305
This Priceline deal was found by Cheapflights users on 11/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:06 pm -
Nonstop2h 36m
Sat 12/54:01 pm -
Nonstop2h 25m
Deal found 11/9![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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 12/27:06 pm -
Nonstop2h 36m
Wed 12/910:35 am -
1 stop13h 08m
Deal found 11/9![Alaska Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/22:24 pm -
1 stop6h 23m
Sat 12/57:00 am -
1 stop5h 05m
Deal found 11/9![United Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/36:00 am -
1 stop27h 32m
Mon 12/78:09 pm -
1 stop27h 34m
Deal found 11/10![Alaska Airlines logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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.
Fri 12/47:06 pm -
Nonstop2h 36m
Tue 12/84:01 pm -
Nonstop2h 25m
Deal found 11/9![Alaska Airlines logo]()
$325
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/56:00 am -
1 stop15h 57m
Tue 12/89:12 am -
1 stop14h 31m
Deal found 11/10![Alaska Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 12/83:11 pm -
1 stop6h 46m
Sat 12/124:01 pm -
Nonstop2h 25m
Deal found 11/8![Alaska Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/146:00 am -
1 stop27h 32m
Mon 1/47:00 am -
Nonstop2h 30m
Deal found 11/10![Alaska Airlines logo]()
$323
One-way flights from San Luis Obispo to SeattleSearch for one-way flight options from San Luis Obispo to Seattle. Find affordable one-way fares based on user searches. Data last updated November 11, 2026.
Search for one-way flight options from San Luis Obispo to Seattle. Find affordable one-way fares based on user searches. Data last updated November 11, 2026.
This Priceline deal was found by Cheapflights users on 11/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/162:10 pm -
1 stop4h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Alaska Airlines logo]()
$174
This Priceline deal was found by Cheapflights users on 11/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:00 am -
1 stop5h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Alaska Airlines logo]()
$184
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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 12/216:59 pm -
Nonstop2h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Alaska Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 11/6. 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 1/166:10 am -
2 stops10h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Fri 1/89:43 am -
1 stop8h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![American Airlines logo]()
$214
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Sun 1/176:10 am -
2 stops10h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/195:07 pm -
1 stop6h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![United Airlines logo]()
$243
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sun 12/205:07 pm -
1 stop4h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![United Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/182:19 pm -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![United Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/286:00 am -
1 stop6h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$264
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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.
Fri 1/83:47 pm -
2 stops20h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Alaska Airlines logo]()
$275
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 November 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $293 (Alaska Airlines) |
One-way from | $174 (Priceline) |
Popular in | November |
Cheapest in | February |
Average price | $519 |
Good round-trip deal | $387 or less |
Good one-way deal | $245 or less |
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 7,457,451 searches. Data last updated November 11, 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
Cheapest round-trip
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Mon 12/21
6:59 pm-9:45 pm
Nonstop2h 46m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$197
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Mon 5/10
6:55 pm-11:21 pm
1 stop4h 26m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$207
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Sat 1/16
6:10 am-4:38 pm
2 stops10h 28m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$209
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Mon 12/21
2:19 pm-6:29 pm
1 stop4h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$257
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Sat 11/28
6:00 am-12:20 pm
1 stop6h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$264
Quickest round-trip
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Wed 11/25
7:13 pm-9:45 pm
Nonstop2h 32m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Wed 11/25
6:00 am-12:20 pm
1 stop6h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$289
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Mon 11/23
2:15 pm-8:47 pm
1 stop6h 32m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$289
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Sat 12/5
6:00 am-7:18 pm
1 stop13h 18m
Seattle/Tacoma Intl
Tue 12/8
10:35 am-11:43 pm
1 stop13h 08m
$293
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Tue 12/8
3:11 pm-9:57 pm
1 stop6h 46m
Seattle/Tacoma Intl
Sat 12/12
4:01 pm-6:26 pm
Nonstop2h 25m
$332
Showing 1-10 of 16 resultsSorted by cheapest first
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
SBP-SEA
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 48 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, February is the cheapest month in which you can book a flight from San Luis Obispo to Seattle (average of $287). Flying from San Luis Obispo to Seattle in November is currently the most expensive (average of $519). 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 November 11, 2026.
A simple way to save on the total cost of your ticket is to fly from San Luis Obispo to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the morning.
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 November 11, 2026.
Read through reviews of airlines operating flights from San Luis Obispo to Seattle, such as Alaska Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
7.9
Entertainment
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Overall
7.9
Entertainment
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Overall
7.9
Entertainment
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Lacey
Leavenworth
Tacoma
Tukwila
Snoqualmie
Puyallup
Lynnwood
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Olympia
Centralia
Lakewood
Poulsbo
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Luis Obispo
Popular flights
Seattle flight routes
Alternative routes for San Luis Obispo to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Luis Obispo to Seattle by cabin class
Find flights from San Luis Obispo to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Luis Obispo and Seattle flights
Browse other San Luis Obispo and Seattle flight options. Last updated on November 11, 2026.
Other flights from San Luis Obispo
Browse through other flights departing from San Luis Obispo. Flights are based on user searches made on Cheapflights and were last updated on November 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 11, 2026.
Top 2 airlines flying from San Luis Obispo to Seattle
Discover the top 2 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 7,457,451 searches. Data last updated November 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$186 | Average$412 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$197 | Average$446 | FlexibilityNo cancel fee | On-time69% |