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Cheap air tickets from San Luis Obispo County to Seattle

Compare San Luis Obispo County to Seattle flight deals

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Flight deals from San Luis Obispo County to Seattle

Looking for a cheap last-minute deal or the best return flight from San Luis Obispo County to Seattle? Find the lowest prices on one-way and return tickets right here.
Seattle.HK$1,101 per passenger.Departing Sat, 17 Jan, returning Sat, 24 Jan.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from San Luis Obispo County on Sat, 17 Jan, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Sat, 24 Jan, arriving in San Luis Obispo County.Price includes taxes and charges.From HK$1,101, select.
Seattle.HK$1,294 per passenger.Departing Fri, 6 Feb, returning Sun, 8 Feb.Return flight with United.Outbound indirect flight with United, departs from San Luis Obispo County on Fri, 6 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Sun, 8 Feb, arriving in San Luis Obispo County.Price includes taxes and charges.From HK$1,294, select.
Seattle.HK$1,435 per passenger.Departing Thu, 5 Mar, returning Sat, 7 Mar.Return flight with United.Outbound indirect flight with United, departs from San Luis Obispo County on Thu, 5 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Sat, 7 Mar, arriving in San Luis Obispo County.Price includes taxes and charges.From HK$1,435, select.
Seattle.HK$1,596 per passenger.Departing Fri, 6 Feb, returning Mon, 9 Feb.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from San Luis Obispo County on Fri, 6 Feb, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Mon, 9 Feb, arriving in San Luis Obispo County.Price includes taxes and charges.From HK$1,596, select.
Seattle.HK$2,192 per passenger.Departing Mon, 11 May, returning Mon, 18 May.Return flight with United.Outbound indirect flight with United, departs from San Luis Obispo County on Mon, 11 May, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Mon, 18 May, arriving in San Luis Obispo County.Price includes taxes and charges.From HK$2,192, select.
Seattle.HK$2,982 per passenger.Departing Sat, 22 Aug, returning Sun, 30 Aug.Return flight with United.Outbound indirect flight with United, departs from San Luis Obispo County on Sat, 22 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Sun, 30 Aug, arriving in San Luis Obispo County.Price includes taxes and charges.From HK$2,982, select.
Seattle.HK$3,083 per passenger.Departing Tue, 23 Dec, returning Mon, 29 Dec.Return flight with United.Outbound indirect flight with United, departs from San Luis Obispo County on Tue, 23 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Mon, 29 Dec, arriving in San Luis Obispo County.Price includes taxes and charges.From HK$3,083, select.
Seattle.HK$4,209 per passenger.Departing Tue, 23 Dec, returning Mon, 29 Dec.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from San Luis Obispo County on Tue, 23 Dec, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Mon, 29 Dec, arriving in San Luis Obispo County.Price includes taxes and charges.From HK$4,209, select.

Find the cheapest month to fly from San Luis Obispo County to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Luis Obispo County to Seattle flights are currently cheapest in January.
Dec
from HK$3,083
Jan
from HK$1,101
Feb
from HK$1,294
Mar
from HK$1,435
Apr
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May
from HK$2,192
Jun
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Jul
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Aug
from HK$2,982
Sep
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Oct
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Nov
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Direct flights from San Luis Obispo County to Seattle

Alternative San Luis Obispo County to Seattle routes

Looking for the cheapest, fastest or easiest route from San Luis Obispo County to Seattle? You could fly into the following airports instead.

San Luis Obispo to Seattle: Flight information

The things to know before you go.
Cheapest flight foundHK$1,101
Cheapest month to flyJanuary
Average flight time2 hrs, 30 mins
Most popular airlineHawaiian Airlines
Average flights per week30

Finding cheap flights from San Luis Obispo County to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from San Luis Obispo County to Seattle is HK$1,101. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 30 minutes is the average flight time from San Luis Obispo County to Seattle.
Hawaiian Airlines, Alaska Airlines and Horizon Air fly direct from San Luis Obispo County to Seattle.
As of December 2025, there are 30 flights per week flying from San Luis Obispo County to Seattle.
The cheapest month to fly from San Luis Obispo County to Seattle is usually January.
If you're flying from San Luis Obispo County Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from HK$1,101.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Luis Obispo County Airport to Seattle on Saturday, 17 January 2026.
Yes – the average flight time is 2 hours and 30 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In December, the average temperature is usually around 3°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Alaska Airlines offers the cheapest flight tickets to Seattle.

How to find cheap flights from San Luis Obispo County to Seattle

Looking for cheap air tickets from San Luis Obispo County to Seattle? Whether you are aiming to find one-way or return flights, here are a few tips on how to secure the best ticket price and make your journey as smooth as possible.

  • Simply hit 'search'. We've compared flight tickets from all major online travel agents and airlines flying from San Luis Obispo County-Seattle to find the cheapest flights. And with us there are no hidden extras - what you see is what you pay.

  • Flex your dates to find the flight price for your San Luis Obispo County-Seattle flight. If your travel dates are flexible, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Seattle from San Luis Obispo County.

  • Set up a Price Alert. You can easily track the price of your flight from San Luis Obispo County to Seattle by creating an alert. Whenever prices go down or up, you'll get a push notification or e-mail to help you get the best flight deal.

  • Look for non-stop flights. Only interested in direct flights between San Luis Obispo County and Seattle ? Make sure to tick 'Direct flights only' when performing a search. If there are flights without stops available, these will appear in the results.

  • Include nearby airports in your search. Widen your search for San Luis Obispo County to Seattle flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save on your next trip.

  • Find the cheapest Business class flights from San Luis Obispo County to Seattle. Check the difference in price of your San Luis Obispo County-Seattle plane ticket when travelling in Economy, Premium economy, Business or First class. Note that not all cabin classes are available on every route or airline.

  • Search for cheap flights when out and about. To get the best flight booking experience regardless of where you are, download our app and search for flight tickets from San Luis Obispo County to Seattle on the go.

Book air tickets from San Luis Obispo County to Seattle  with peace of mind

  • Find flexible flights. Your airline might be offering flexible tickets from San Luis Obispo County to Seattle , which means you won't lose out if your flight has to be changed or cancelled.

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  • Add travel cost protection. Avoid travel pitfalls and choose travel cost protection - it's available at the checkout as you book your San Luis Obispo County-Seattle flight with us.

  • Reduce your carbon footprint by selecting a greener flight option. To check whether there are any lower emissions flights available on the route San Luis Obispo County-Seattle , simply check the “only show flights with lower CO₂ emissions” box later on in your search.

Combine your flight to Seattle with hotels and car hire

Once you've secured your flight booking from San Luis Obispo County to Seattle, we will help you discover the best prices and exclusive rates for cheap hotels in Seattle or nearby. And if you're looking for car hire, we've got you covered too. We allow you to compare hundreds of car hire companies in one search and find the best price on car rental in Seattle.

Compare San Luis Obispo County-Seattle tickets with other routes

Not entirely set on flying from San Luis Obispo County to Seattle yet? You can easily browse other destinations by searching flights to 'Everywhere' - this will allow you to find the cheapest place to travel from your chosen departure point.


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Plan the rest of your trip from San Luis Obispo to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.