$154+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — SEA
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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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 Friday or Thursday 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 September 17, 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 September 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/216:30 pm -
Nonstop2h 29m
Wed 10/283:23 pm -
Nonstop2h 27m
Deal found 9/16![Alaska Airlines logo]()
$287
This Priceline deal was found by Cheapflights users on 9/16. 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.
Tue 10/206:08 am -
1 stop6h 20m
Tue 10/277:07 pm -
1 stop4h 36m
Deal found 9/16![Alaska Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/52:24 pm -
1 stop4h 04m
Tue 12/89:00 am -
2 stops10h 48m
Deal found 9/15![United Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 11/610:08 am -
Nonstop2h 34m
Tue 11/107:00 am -
Nonstop2h 28m
Deal found 9/16![Alaska Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/208:00 am -
1 stop4h 18m
Wed 10/2812:20 pm -
1 stop5h 18m
Deal found 9/14![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/212:15 pm -
1 stop4h 29m
Sun 10/259:05 am -
2 stops8h 33m
Deal found 9/16![United Airlines logo]()
$347
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 September 17, 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 September 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 12/87:30 am -
1 stop4h 10m
Sat 12/124:01 pm -
Nonstop2h 25m
Deal found 9/17![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/225:07 pm -
1 stop4h 52m
Fri 1/81:16 pm -
2 stops6h 35m
Deal found 9/15![United Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 9/12. 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 1/72:12 pm -
1 stop3h 55m
Tue 1/129:02 am -
2 stops10h 49m
Deal found 9/12![United Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 stop8h 13m
Mon 12/78:51 pm -
2 stops17h 40m
Deal found 9/15![Alaska Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/257:08 am -
2 stops9h 19m
Tue 12/17:00 am -
1 stop5h 05m
Deal found 9/12![United Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 12/46:00 am -
1 stop8h 13m
Tue 12/87:20 am -
2 stops16h 23m
Deal found 9/16![Alaska Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/58:00 am -
2 stops8h 23m
Tue 12/89:00 am -
2 stops10h 48m
Deal found 9/14![United Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 2/126:07 am -
1 stop5h 56m
Mon 2/222:00 pm -
Nonstop2h 30m
Deal found 9/13![Alaska Airlines logo]()
$432
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 1/153:44 pm -
2 stops19h 59m
Mon 1/184:55 pm -
1 stop6h 39m
Deal found 9/14![Alaska Airlines logo]()
$461
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/110:18 am -
Nonstop2h 27m
Tue 10/67:00 am -
Nonstop2h 29m
Deal found 9/16![Alaska Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/36:30 pm -
Nonstop2h 29m
Tue 10/68:36 pm -
2 stops17h 10m
Deal found 9/16![Alaska Airlines logo]()
$471
Last-minute flights from San Luis Obispo to SeattleDiscover last-minute flight deals from San Luis Obispo to Seattle. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Luis Obispo to Seattle. Data last updated September 17, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 9/16. 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.
Fri 10/166:30 pm -
Nonstop2h 29m
Sun 10/187:00 am -
Nonstop2h 29m
Deal found 9/16![Alaska Airlines logo]()
$357
This Priceline deal was found by Cheapflights users on 9/16. 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.
Tue 10/206:08 am -
1 stop6h 20m
Tue 10/277:07 pm -
1 stop4h 36m
Deal found 9/16![Alaska Airlines logo]()
$307
This Priceline deal was found by Cheapflights users on 9/14. 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.
Tue 10/202:26 pm -
1 stop7h 07m
Wed 10/283:23 pm -
Nonstop2h 27m
Deal found 9/14![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/208:00 am -
1 stop4h 18m
Wed 10/2812:20 pm -
1 stop5h 18m
Deal found 9/14![United Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/216:30 pm -
Nonstop2h 29m
Wed 10/283:23 pm -
Nonstop2h 27m
Deal found 9/16![Alaska Airlines logo]()
$287
This Priceline deal was found by Cheapflights users on 9/16. 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 10/216:30 pm -
Nonstop2h 29m
Sun 10/257:00 am -
Nonstop2h 29m
Deal found 9/16![Alaska Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/212:15 pm -
1 stop4h 29m
Sun 10/254:39 pm -
1 stop5h 14m
Deal found 9/16![United Airlines logo]()
$342
This Priceline deal was found by Cheapflights users on 9/13. 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 10/212:26 pm -
1 stop8h 07m
Mon 10/263:23 pm -
Nonstop2h 27m
Deal found 9/13![Alaska Airlines logo]()
$352
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 September 17, 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 September 17, 2026.
This Priceline deal was found by Cheapflights users on 9/14. 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 10/212:26 pm -
1 stop8h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Alaska Airlines logo]()
$154
This Priceline deal was found by Cheapflights users on 9/12. 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 10/172:26 pm -
1 stop6h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Alaska Airlines logo]()
$164
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:06 pm -
Nonstop2h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Alaska Airlines logo]()
$174
This Priceline deal was found by Cheapflights users on 9/16. 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.
Fri 10/165:27 pm -
1 stop4h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Alaska Airlines logo]()
$189
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/217:11 am -
2 stops7h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$199
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/1912:32 pm -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/164:25 pm -
2 stops8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$224
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/258:00 am -
1 stop4h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![United Airlines logo]()
$229
This deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:30 am -
1 stop5h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Alaska Airlines logo]()
$234
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 12/295:16 pm -
2 stops15h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Alaska Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 10/128:00 am -
1 stop4h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$244
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $287 (Alaska Airlines) |
One-way from | $154 (Priceline) |
Popular in | November |
Cheapest in | February |
Average price | $410 |
Good round-trip deal | $357 or less |
Good one-way deal | $303 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 September 17, 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
Sat 12/12
6:00 am-1:51 pm
1 stop7h 51m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$184
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Wed 10/21
7:11 am-2:17 pm
2 stops7h 06m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Fri 10/16
4:25 pm-1:15 am
2 stops8h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Sat 12/12
8:00 am-4:23 pm
2 stops8h 23m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$234
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Sun 11/22
4:40 pm-12:59 am
2 stops8h 19m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$234
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Tue 12/29
5:16 pm-8:17 am
2 stops15h 01m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$239
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Fri 12/18
2:20 pm-8:40 pm
1 stop6h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$244
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Thu 11/19
7:08 am-4:27 pm
2 stops9h 19m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$249
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Sat 10/3
7:11 am-5:37 pm
2 stops10h 26m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$249
Quickest round-trip
San Luis ObispoSeattle
SBP San Luis Obispo County - SEA Seattle/Tacoma Intl
SBPSEA
San Luis Obispo County
Thu 10/1
10:18 am-12:45 pm
Nonstop2h 27m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$264
Showing 1-10 of 21 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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
Prices
Airlines
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 $279). Flying from San Luis Obispo to Seattle in November is currently the most expensive (average of $509). 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 September 17, 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 30% 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 September 17, 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.
Comfort
7.8
Food
7.0
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Food
7.0
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Food
7.0
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
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?
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San Luis Obispo and Seattle flights
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Top 2 airlines flying from San Luis Obispo to Seattle
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$392 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$436 | FlexibilityNo cancel fee | On-time69% |