Cheap flights from Phoenix Sky Harbor Intl Airport to San Luis Obispo from $108

In general, January is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to San Luis Obispo. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $375. The month of April is another great option to travel to San Luis Obispo, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $385.

On average, the least expensive day to fly to San Luis Obispo from Phoenix Sky Harbor Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $395. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Phoenix Sky Harbor Intl Airport to San Luis Obispo for around $554.

Flying to San Luis Obispo from Phoenix Sky Harbor Intl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $421 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $450 on average. Flights to San Luis Obispo from Phoenix Sky Harbor Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Phoenix Sky Harbor Intl to San Luis Obispo County for the best Phoenix Sky Harbor Intl - San Luis Obispo County flight prices

You are more likely to see cheaper flights to San Luis Obispo from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Luis Obispo for around $426 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Luis Obispo from Phoenix Sky Harbor Intl Airport for as low as $322 on momondo.

There are 2 cabin classes available to choose from on Phoenix Sky Harbor Intl to San Luis Obispo County flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 39% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to San Luis Obispo flight.

As of March 2026, prices for Phoenix Sky Harbor Intl Airport to San Luis Obispo flights are approximately 31% cheaper when compared to flights at the same time last year.

Alaska Airlines is the most popular carrier operating from Phoenix Sky Harbor Intl to San Luis Obispo County

American Airlines, Southwest and Alaska Airlines are the top three most popular airlines that fly to San Luis Obispo from Phoenix Sky Harbor Intl Airport according to our data. American Airlines is the first choice among our users, with 91% of people opting to fly with this airline when traveling to San Luis Obispo. Keep in mind that there are 3 different airlines that fly to San Luis Obispo on a routine basis, so you have a few additional options to choose from.

1 flights are operational daily from Phoenix Sky Harbor Intl Airport to San Luis Obispo as of March 2026. The most popular departure time for this route is 11:00AM, with 37% of flights per day taking off at noon.

As of March 2026, 8 flights take off from Phoenix Sky Harbor Intl Airport and land in San Luis Obispo each week. The most common flight departure day for this route is Thu, with 38% of weekly flights taking off on this day.