Cheap flights from Portland to San Luis Obispo

Portland
PDX
San Luis County Regional
SBP

Flight deals from Portland to San Luis Obispo

Below you can see the best deals on flights Portland — San Luis Obispo for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 27 September, from $136.

Top 10 cheap flights from Portland to San Luis Obispo

About the Portland — San Luis Obispo flight

Looking for cheap flights from Portland to San Luis Obispo? Compare fares from different airlines, check the flight schedule and travel time — and book your Portland — San Luis Obispo ticket online at the best price.

The route has direct flights — around 25 flights per week, flights are operated by Alaska Airlines, a nonstop flight takes about 2 h 10 min, the distance between the cities is around 1,149 km.

Planning your trip? You may find our San Luis Obispo travel guide, how to get from the airport into town and San Luis Obispo weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $136Min. price
SeptemberCheapest
DecemberPeak season
YesDirect flights
1,149 kmDistance
2 h 10 minTravel time
1Airlines
25 / wkFlights

Flight schedule from Portland to San Luis Obispo

The table shows direct flights from Portland to San Luis Obispo on the selected date. The flight takes approximately 2 h 10 min. Regular flights are operated by Alaska Airlines. Departures from Portland International Airport airports, arrivals at San Luis County Regional Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 25 Aug 2026

Flight ticket prices by day: Portland — San Luis Obispo

Below is a calendar of the lowest flight ticket prices for Portland — San Luis Obispo by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $136 in September, and the most expensive are around $137 in December. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Portland to San Luis Obispo by month. Tickets are usually cheapest in January (around $162) and priciest in December (about $270) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$162lowMay$204mediumSep$216medium
Feb$174lowJun$252highOct$222medium
Mar$186mediumJul$258highNov$228high
Apr$192mediumAug$246highDec$270high

Some values are estimated based on seasonality.

When to fly

Weather in San Luis Obispo: it is warmest in August (up to 27 °C on average) and coolest in January (around 16 °C). The driest month is June.

Tickets are usually cheapest in September and most expensive in December. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · San Luis Obispo

Dry and wet days · San Luis Obispo

Wind speed and direction · San Luis Obispo

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How to get the best deal on a Portland — San Luis Obispo ticket

  • Book ahead: fares for Portland — San Luis Obispo are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to San Luis Obispo is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Portland — San Luis Obispo route are operated by 1 airline; Alaska Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • Alaska AirlinesAS
    8x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight PDX → SBP8x/week
      Duration
      2h 9m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Portland — San Luis Obispo route

Flights Portland — San Luis Obispo depart from Portland International Airport and arrive at San Luis County Regional Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Portland

PDX
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

San Luis Obispo

SBP
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Portland — San Luis Obispo flight

How long is the flight from Portland to San Luis Obispo?

A nonstop Portland — San Luis Obispo flight takes about 2 h 10 min — the distance between the cities is around 1,149 km.

How far is it from Portland to San Luis Obispo?

The distance from Portland to San Luis Obispo is about 1,149 km, which a nonstop flight covers in around 2 h 10 min.

Are there direct flights from Portland to San Luis Obispo?

Yes, there are nonstop flights Portland — San Luis Obispo — around 25 flights per week.

Which airlines fly from Portland to San Luis Obispo?

Airlines operating Portland — San Luis Obispo include Alaska Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Portland — San Luis Obispo flights use?

Flights from Portland depart from Portland International Airport, and arrive at San Luis County Regional Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Portland to San Luis Obispo?

The price of a Portland — San Luis Obispo ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in December. Tickets typically cost between $136 and $137. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Portland — San Luis Obispo?

Flights Portland — San Luis Obispo are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Portland to San Luis Obispo?

To catch a low fare Portland — San Luis Obispo, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

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