$99 Find Cheap Flights from San Antonio to San Diego - Compare and Save

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

• Earliest: departs at 6:00 am and lands at 8:59 am
• Latest: departs at 9:00 pm and lands at 11:59 pm.

The flight takes about 2h 59m.

Two cabin classes are available on flights from San Antonio to San Diego:

• Economy Class
• First Class

A nonstop flight from San Antonio to San Diego takes 2h 59m, covering 1,127 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.

Round-trip flights from San Antonio to San Diego range from $299 to $473, with an average of $396 over the past 12 months. Anything below $299 counts as a good deal.

Last-minute fares on this route - booked within 2 weeks of departure - run 18% above the route average of $396. Book 22 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $272 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $453 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

Morning is the busiest departure period on San Antonio to San Diego flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $197 to $1,744. That means the highest observed fare was about 9x higher than the lowest one.

JetBlue is the only airline on the San Antonio to San Diego route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from San Antonio to San Diego are currently lower than usual. Average one-way flight prices are about $147, which is 32% below the typical average for this route.

San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
• Dollar
• Payless
• Europcar
• Thrifty
• Fox

Flights from San Antonio to San Diego usually depart from San Antonio (SAT) and arrive at San Diego (SAN).

One-stop flights from San Antonio to San Diego most commonly connect through:

• Denver Intl (DEN) - 36% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 30% of one-stop connections
• Dallas/Fort Worth (DFW) - 12% of one-stop connections
• Houston George Bush Intcntl (IAH) - 11% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 14% on the San Antonio to San Diego route. Monday is the cheapest departure day at $377 round-trip on average, while Friday is the most expensive at $436, a difference of $59. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Southwest operates flights between San Antonio and San Diego.

Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 4h 59m, compared with 5h 41m via Dallas/Fort Worth (DFW) and 5h 41m via Houston George Bush Intcntl (IAH).

San Diego is 2 hours behind San Antonio (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

Among airlines operating San Antonio to San Diego flights:

• Southwest: offers free seat selection

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

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

• Southwest: a cabin bag in Economy Class class
• JetBlue: 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.

If you want to shower before leaving San Diego, you can do so at the airport’s Airspace Lounge. You'll have to pay a fee to enter this lounge which is located near gates 22 and 23 in terminal 2.

While waiting for your flight at SAT, you can get top-notch salon and massage services at either of the BeRelax Spa locations. One is near gate 26, while the other is near gate 36. You’ll leave looking your best and feeling relaxed for your flight!

Yes, SAT is designed for maximum accessibility. This airport features automatic doors, crosswalks, ramps, level flooring, accessible entrances, and elevators to aid travelers in safely moving through the airport. To aid blind passengers, it has braille buttons in its elevators as well as outside its doors. If you are in need of wheelchair assistance, you can arrange with your airline to have someone pick you up and escort you through the airport.

Yes, if you need to breastfeed your baby or pump before leaving SAN, there are three lactation rooms dotted across the airport which you can use to have a quiet, private moment. One is available across from the elevator in terminal 1 west, while another is on the ground level of terminal 1 east rotunda. The other lactation room is near gates 34 and 35 in terminal 2 west.