SAN - SAT

$94 Find Cheap Flights from San Diego to San Antonio - Compare and Save

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Everything you should know

Cheapest round-trip
$176
Typical prices: $298-$489
Frontier
Mon 10/15Mon 10/22
SAN - SAT • 1 stop
Cheapest non-stop
$257
Typical prices: $400-$526
Southwest
Sat 10/27Sun 10/28
SAN - SAT • Non-stop
Nonstop flights
You can fly direct with Southwest. Average duration is 2h 44m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 12 weeks in advance save around 37% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 29% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $237 (round-trip)
Shortest trip • 4h 56m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Diego to San Antonio (SAN-SAT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to San Antonio

Thu, Oct 15 - Thu, Oct 22
Frontier Logo
8:34 pm - 9:49 pmSAN  San Diego-SAT San Antonio
23h 15m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:21 pm - 11:56 pmSAT  San Antonio-SAN San Diego
5h 35m1 stop Denver Intl
$176Frontier
Thu, Oct 15 - Tue, Oct 20
Frontier Logo
8:34 pm - 12:15 pmSAN  San Diego-SAT San Antonio
13h 41m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:21 pm - 11:56 pmSAT  San Antonio-SAN San Diego
5h 35m1 stop Denver Intl
$176Frontier
Wed, Oct 21 - Wed, Oct 28
American Airlines Logo
4:29 pm - 10:59 pmSAN  San Diego-SAT San Antonio
4h 30m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:00 am - 8:24 amSAT  San Antonio-SAN San Diego
5h 24m1 stop Dallas/Fort Worth
$217American Airlines
Thu, Nov 26 - Tue, Dec 1
American Airlines Logo
6:15 am - 2:50 pmSAN  San Diego-SAT San Antonio
6h 35m1 stop Dallas/Fort Worth
American Airlines Logo
5:00 am - 10:23 amSAT  San Antonio-SAN San Diego
7h 23m1 stop Dallas/Fort Worth
$217American Airlines
Tue, Oct 27 - Wed, Oct 28
Southwest Logo
5:40 pm - 10:25 pmSAN  San Diego-SAT San Antonio
2h 45mnonstop
Southwest Logo
7:40 am - 8:40 amSAT  San Antonio-SAN San Diego
3h 00mnonstop
$257Southwest
Wed, Oct 21 - Wed, Oct 28
Southwest Logo
5:40 pm - 10:25 pmSAN  San Diego-SAT San Antonio
2h 45mnonstop
Southwest Logo
7:40 am - 8:40 amSAT  San Antonio-SAN San Diego
3h 00mnonstop
$257Southwest
Sat, Oct 31 - Tue, Nov 3
Delta Logo
6:15 am - 3:44 pmSAN  San Diego-SAT San Antonio
7h 29m1 stop Los Angeles
Delta Logo
7:50 am - 4:25 pmSAT  San Antonio-SAN San Diego
10h 35m1 stop Atlanta Hartsfield-Jackson
$267Delta
Wed, Oct 28 - Thu, Oct 29
United Airlines Logo
10:16 am - 6:03 pmSAN  San Diego-SAT San Antonio
5h 47m1 stop Houston George Bush Intcntl
United Airlines Logo
5:30 am - 11:31 amSAT  San Antonio-SAN San Diego
8h 01m2 stops Houston George Bush Intcntl Los Angeles
$268United Airlines
Fri, Jan 15 - Mon, Jan 18
Delta Logo
10:40 pm - 9:54 amSAN  San Diego-SAT San Antonio
9h 14m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:30 am - 10:30 amSAT  San Antonio-SAN San Diego
6h 00m1 stop Los Angeles
$303Delta
Thu, Oct 8 - Mon, Oct 12
United Airlines Logo
10:13 am - 5:40 pmSAN  San Diego-SAT San Antonio
5h 27m1 stop Houston George Bush Intcntl
United Airlines Logo
5:30 am - 10:58 amSAT  San Antonio-SAN San Diego
7h 28m1 stop Houston George Bush Intcntl
$333United Airlines
Booking Insights

Price, demand and travel trends for San Diego to San Antonio flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Diego to San Antonio?

Round-trip flights from San Diego to San Antonio typically range from $298 to $489. The lowest price found in the past 5 days was $176, on Frontier.

What's the cheapest day of the week to fly from San Diego to San Antonio?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from San Diego to San Antonio. It’s 5% cheaper than the average day, while Sunday is the most expensive, with prices 16% higher.

What’s the cheapest month to fly from San Diego to San Antonio?

•October is the cheapest month to fly from San Diego to San Antonio at $282 round-trip.
•June ($498) and December ($462) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 76% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Diego to San Antonio the cheapest?

Flights from San Diego to San Antonio are cheapest 12 weeks before departure. Booking in this window typically costs about 37% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from San Diego to San Antonio

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on SAN and SAT

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Key details for San Diego to San Antonio flights

Low season

February

Cheapest flight

$94
The most popular month to fly with an average 51% increase in travelers.
One-way flight from San Diego to San Antonio

When to book flights from San Diego to San Antonio

Are your dates flexible? Find out the best times to travel from San Diego to San Antonio based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Diego to San Antonio flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from San Diego to San Antonio?

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

    • Earliest: departs at 7:20 am and lands at 10:04 am
    • Latest: departs at 7:50 pm and lands at 10:34 pm.

    The flight takes about 2h 44m.

  • What cabin classes can I book on flights from San Diego to San Antonio?

    Only Economy Class is available on flights from San Diego to San Antonio.

  • How long is a flight from San Diego to San Antonio?

    A nonstop flight from San Diego to San Antonio takes 2h 44m, covering 1,127 miles.

  • Do I need a passport to fly from San Diego to San Antonio?

    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.

  • How much should I expect to pay for a San Diego to San Antonio flight?

    Round-trip flights from San Diego to San Antonio range from $298 to $489, with an average of $398 over the past 12 months. Anything below $298 counts as a good deal.

  • How expensive are last-minute San Diego to San Antonio flights?

    Last-minute fares on this route (booked within two weeks of departure) run 11% above the $398 route average. Book 12 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from San Diego to San Antonio?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $237 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $450 for nonstop.

  • What is the standard checked-bag allowance on flights from San Diego to San Antonio?

    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.

  • Which aircraft model is used most often on flights from San Diego to San Antonio?

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

  • How are flight departures from San Diego to San Antonio spread across the day?

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

  • Which airlines offer Wi-Fi on San Diego to San Antonio flights?

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

  • How are flight prices from San Diego to San Antonio looking right now?

    One-way fares from San Diego to San Antonio are currently lower than usual. Average one-way flight prices are about $135, which is 40% below the typical average for this route.

  • What car rental options are available at San Antonio Airport (SAT)?

    San Antonio Airport (SAT) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:

    • Europcar
    • Fox
    • Dollar
    • Hertz
    • Alamo

  • Which airports can I use when flying from San Diego to San Antonio?

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

  • Which airports do connecting flights from San Diego to San Antonio pass through?

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

    • Denver Intl (DEN) - 44% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 35% of one-stop connections
    • Dallas/Fort Worth (DFW) - 6% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from San Diego to San Antonio?

    Yes. Flexible dates can save you up to 18% on flights from San Diego to San Antonio. Thursday is the cheapest departure day at $380 round-trip on average, while Sunday is the most expensive at $463, a difference of $83.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from San Diego to San Antonio?

    Only Southwest operates flights between San Diego and San Antonio.

  • How much time can I save by choosing a different layover airport from San Diego to San Antonio?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 4h 56m, compared with 5h 44m via Dallas/Fort Worth (DFW) and 5h 45m via Houston George Bush Intcntl (IAH).

  • What is the time difference between San Diego and San Antonio?

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

  • What popular places can I visit in San Antonio?

    Some of the most popular sights in San Antonio are San Antonio River Walk, SeaWorld San Antonio and Alamodome. These are among the most viewed places in San Antonio on KAYAK.

  • Which airlines offer extra legroom and free seat selection on San Diego to San Antonio flights?

    Among airlines operating San Diego to San Antonio flights:

    • Southwest: offers free seat selection

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

  • Which airlines include bags at no extra cost on San Diego to San Antonio flights?

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

    • Southwest: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

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

  • What is the best means of transport to downtown San Antonio from SAT airport?

    Bus line number 5, which takes 33min, costs about $2 and is the best option for getting from San Antonio International Airport (SAT) to downtown San Antonio if you do not have a vehicle.

  • Are there car rental services at SAT airport?

    The location of the automobile rental agency is at terminal A. Alamo, National, and Hertz are all represented here, among others. Car rental agencies offering longer-term leases are located in erminal C, while those offering shorter-term leases are located in erminal B. You can go to the rental vehicle facility by exiting terminal A and then following the signs.

  • Is there a place to sleep at San Diego Airport?

    Since most of the seating in SAN has armrests, you should bring along something comfortable to sleep on so that you can make the most of the floor space. If you want to sleep before security, go to the check-in area in the northwest corner of terminal 2 or take a seat on one of the circular armrest-free seats in the baggage claim area.

  • Are there parking services at SAN airport?

    The San Diego International Airport is situated three miles to the north of the city's central business district. There are four designated parking lots or garages that provide on-site parking for passengers leaving from SAN. These lots or garages include Terminal 1 Parking, Terminal 2 Parking, Terminal 2 Parking Plaza, and Long Term Parking. In addition, the airport grounds are home to a pair of Curbside Valets.

Your guide to booking San Diego to San Antonio flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $380, about $83 less than Sunday fares (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 37% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Diego to San Antonio trip for October. Fares historically average $282 round-trip in that month - typically $216 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Las Vegas Harry Reid Intl Airport (LAS) can be cheaper than flying direct. The cheapest layover option averages $237 round-trip on this route - about $213 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Antonio Airport.

    • Wyndham Garden San Antonio Airport
    • La Quinta Inn & Suites by Wyndham San Antonio Airport
    • Heritage Inn & Suites San Antonio Airport, Trademark Wyndham
  • At San Diego International Airport (SAN), travelers departing from terminal 2 have access to the Aspire Lounge, independent of the class that they are traveling in or the airline that they are flying with. Guests who enter this lounge have access to a wide array of services, including free access to high-speed internet, showers, specialized work areas and facilities, and an extensive assortment of food and beverages.
  • There are nursing rooms available for breastfeeding parents at SAN Airport. The rooms are located behind the security checkpoints - terminal 1 has one and terminal 2 has two.
  • At San Diego International Airport (SAN), they make it easy for your pet to relieve themselves by providing state-of-the-art facilities specifically designed for that purpose. Visit one of the seven pet relief areas if you are traveling with an animal. These areas have been outfitted with artificial grass, pet waste bags, and even a fire hydrant to promote participation.
  • The San Antonio International Airport (SAT) provides a number of financial services for your convenience, including ATMs in the ticketing lobby, concourses, and baggage claim area of terminal A. Marcy's Business Travel Center, which is located in the lobby of terminal A, provides currency exchange services. Charging stations for charging your devices can be found throughout terminals.
  • SAT Airport is dedicated to providing all of its guests with a travel experience that is as stress-free and secure as possible. Aging and disabled passengers, as well as those who are traveling with newborns and young children, will find that the airport is built to maximize their mobility, comfort, and convenience.

Prefer to fly direct from San Diego to San Antonio?

 
Find which airlines fly direct from San Diego Airport to San Antonio Airport, which days they fly and book direct flights.

Direct departures

San Diego to San Antonio

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

San Antonio to San Diego

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

More options for your flight from San Diego to San Antonio

Complete your trip to San Antonio with a hotel stay or car rental