$129 Find Cheap Flights from San Diego to San Luis Obispo - Compare and Save

Yes, American Airlines allows customers to change their tickets for flights from San Diego to San Luis Obispo, including Basic Economy fares. American Airlines generally allows same-day changes. You can change your ticket up to 24 hours before the scheduled time of departure, but refunds are generally not granted for non-refundable tickets, including Basic Economy fares.

United Airlines offer several seat selection options for flights from San Diego to San Luis Obispo. Passengers can select from a variety of seats for free, including United Economy, Economy Plus, and preferred seating. Upgrades are also available for purchase at any time for Economy Plus seats. These options can be selected at the time of booking or post-booking.

SLO Transit, the local bus service, offers route 9A, which connects the San Luis Obispo Airport to Downtown San Luis Obispo. The bus ride takes about 30 minutes. Taxis are available at the airport 24/7, and you can find them outside the terminal building. The journey takes around 15–20 minutes. You can also use ride-hailing services like Uber or Lyft to get to the city center.

All checked bags must adhere to a maximum weight of 50 lbs and a maximum linear dimension of 62 inches on flights from San Diego to San Luis Obispo with Alaska Airlines. The fees for checked bags may vary depending on the fare type, destination, and number of bags checked. The carry-on bag size limit for Alaska Airlines flights had changed to 22'' x 14'' x 9''. These dimensions include the wheels and handles of the bag.

Among airlines operating San Diego to San Luis Obispo flights:

• Alaska Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Alaska Airlines operates flights between San Diego and San Luis Obispo.

Flights from San Diego to San Luis Obispo usually depart from San Diego (SAN) and arrive at San Luis Obispo County (SBP).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from San Diego to San Luis Obispo:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $195 round-trip via Los Angeles (LAX), compared to $302 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$40 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 170 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Embraer 175 variants.

Most connecting flights from San Diego to San Luis Obispo pass through Los Angeles (LAX), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Yes. Being flexible with your travel dates can save you up to 37% on the San Diego to San Luis Obispo route. Tuesday is the cheapest departure day at $256 round-trip on average, while Saturday is the most expensive at $402, a difference of $146. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Afternoon is the busiest departure period on San Diego to San Luis Obispo flights, with 50% of flights leaving in that window. Night departures account for 50%, morning flights for 0%, and evening flights for 0%.

These are the earliest and latest flight times available from San Diego to San Luis Obispo:

• Earliest: departs at 12:21 pm and lands at 1:39 pm
• Latest: departs at 10:30 pm and lands at 11:48 pm.

The flight takes about 1h 18m.

A nonstop flight from San Diego to San Luis Obispo takes 1h 18m, covering 262 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $197 to $1,056. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from San Diego to San Luis Obispo are currently lower than usual. Average one-way flight prices are about $158, which is 31% below the typical average for this route.

Round-trip flights from San Diego to San Luis Obispo range from $224 to $402, with an average of $303 over the past 12 months. Anything below $224 counts as a good deal.

Alaska Airlines is the only airline on the San Diego to San Luis Obispo route offering in-flight Wi-Fi. Pricing depends on fare class.