Cheap flights from San Diego to San Antonio

Flights overview

Useful information for finding cheap flights from San Diego to San Antonio and booking your next trip
Cheapest round-trip flights $200
Frontier 1 stop 11 hr Thu, May 28 — Sun, May 31
The cheapest round-trip flight from San Diego to San Antonio is currently $200
Cheapest one-way flight $100
Frontier 1 stop 8 hr Wed, May 27
The cheapest one-way flight from San Diego to San Antonio is currently $100
Cheapest nonstop flights $363
Southwest Nonstop 3 hr Thu, Jun 25 — Mon, Jun 29
The cheapest nonstop round-trip flight from San Diego to San Antonio is currently $363
Last-minute weekend getaway $276
Frontier 1 stop 11 hr Thu, May 7 — Sun, May 10
The cheapest last-minute weekend getaway from San Diego to San Antonio is currently $276
Cheapest business class flights $448
Frontier 1 stop 11 hr Thu, Jun 4 — Sun, Jun 7
The cheapest business class round-trip flight from San Diego to San Antonio is currently $448
Fastest flight 2 hr 35 min The fastest nonstop flight from San Diego to San Antonio takes 2 hr 35 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from San Diego to San Antonio is typically September. The most expensive month to fly is typically March.
September
Cheapest
Typical prices: $140–220
March
Most expensive
Typical prices: $250–385

Popular airlines from San Diego to San Antonio

  • Southwest
    Nonstop
    from $363
    Typical price: $325–560
    13 weekly nonstop flights
    SAN - SAT Every day
    970 weekly connecting flights
    SAN - SAT Every day
  • American
    from $375
    Typical price: $285–480
    507 weekly connecting flights
    SAN - SAT Every day
  • United
    from $405
    Typical price: $285–500
    220 weekly connecting flights
    SAN - SAT Every day
  • Delta
    from $375
    Typical price: $295–630
    179 weekly connecting flights
    SAN - SAT Every day
  • Frontier
    from $200
    Typical price: $175–380
    23 weekly connecting flights
    SAN - SAT Every day
  • Alaska
    from $663
    Typical price: $420–660
    6 weekly connecting flights
    SAN - SAT Every Mon, Tue, Wed, Thu, Fri, Sat

Popular airports near San Diego

  • San Diego International Airport (SAN)
    San Diego United States 10 min 2 mi
  • Tijuana International Airport (TIJ)
    Tijuana Mexico 37 min 16 mi
  • Los Angeles International Airport (LAX)
    Los Angeles United States 2 hr 2 min 111 mi
  • John Wayne Airport (SNA)
    Santa Ana United States 1 hr 21 min 78 mi

Popular airports near San Antonio

  • San Antonio International Airport (SAT)
    San Antonio United States 19 min 7 mi
  • Austin-Bergstrom International Airport (AUS)
    Austin United States 1 hr 21 min 72 mi
  • George Bush Intercontinental Airport (IAH)
    Houston United States 3 hr 9 min 193 mi
  • William P. Hobby Airport (HOU)
    Houston United States 3 hr 14 min 193 mi

Frequently asked questions about flying from San Diego to San Antonio

The cheapest flights from San Diego to San Antonio are usually in September. Typical ticket prices in September range from $140 to $220.
The cheapest round-trip flight from San Diego to San Antonio recently found on Google Flights was with Frontier from $200. The cheapest one-way flight was with Frontier from $100.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from San Diego to San Antonio is $363, flying from Jun 25 to Jun 29.
  • The cheapest American flight from San Diego to San Antonio is $375, flying from May 28 to Jun 1.
  • The cheapest United flight from San Diego to San Antonio is $405, flying from Jun 4 to Jun 8.
  • The cheapest Delta flight from San Diego to San Antonio is $375, flying from May 28 to Jun 1.
  • The cheapest Frontier flight from San Diego to San Antonio is $200, flying from May 28 to May 31.
  • The cheapest Alaska flight from San Diego to San Antonio is $663, flying from Jun 4 to Jun 7.
The cheapest round-trip flight from San Diego to San Antonio starts at $200 from Thu, May 28 to Sun, May 31. The cheapest one-way flight starts at $100 and departs on Wed, May 27.
2 hr 35 min is the shortest flight time from San Diego to San Antonio.
San Antonio has mild winters (Dec–Feb), and hot and humid summers (Jun–Sep). Summer, as well as warm spring (Mar–May) are the most popular times to visit. Remember the Alamo Weekend (Mar) sees reenactments of the battle. Fiesta San Antonio (Apr), a long-standing heritage festival, is a huge, 11-day party known for its flower parades, live music and food stands.
It's easy to use Google Flights to find the cheapest days to fly from San Diego to San Antonio.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from San Diego to San Antonio really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from San Diego to San Antonio.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 13 nonstop flights and 970 connecting flights per week. Southwest flies from San Diego International Airport (SAN) to San Antonio International Airport (SAT) .

Other popular airlines flying from San Diego to San Antonio are:
  • American offers 507 connecting flights per week. American flies from San Diego International Airport (SAN) to San Antonio International Airport (SAT) .
  • United offers 220 connecting flights per week. United flies from San Diego International Airport (SAN) to San Antonio International Airport (SAT) .
  • Delta offers 179 connecting flights per week. Delta flies from San Diego International Airport (SAN) to San Antonio International Airport (SAT) .
  • Frontier offers 23 connecting flights per week. Frontier flies from San Diego International Airport (SAN) to San Antonio International Airport (SAT) .
  • Alaska offers 6 connecting flights per week. Alaska flies from San Diego International Airport (SAN) to San Antonio International Airport (SAT) .
The number of connecting flights refers to distinct flights with at least one stop between San Diego and San Antonio.
The cheapest round-trip flight from San Diego to San Antonio recently found on Google Flights was with Frontier from $200. The cheapest one-way flight was with Frontier from $100.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from San Diego to San Antonio is $363, flying from Jun 25 to Jun 29.
  • The cheapest American flight from San Diego to San Antonio is $375, flying from May 28 to Jun 1.
  • The cheapest United flight from San Diego to San Antonio is $405, flying from Jun 4 to Jun 8.
  • The cheapest Delta flight from San Diego to San Antonio is $375, flying from May 28 to Jun 1.
  • The cheapest Frontier flight from San Diego to San Antonio is $200, flying from May 28 to May 31.
  • The cheapest Alaska flight from San Diego to San Antonio is $663, flying from Jun 4 to Jun 7.
Southwest flies direct from San Diego to San Antonio.
  • There are 13 Southwest direct flights from San Diego to San Antonio per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between San Diego and San Antonio at price $276 is offered by Frontier from Thu, May 7 to Sun, May 10.
Southwest flies direct from San Diego to San Antonio.
  • There are 13 Southwest direct flights from San Diego to San Antonio per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from San Diego to San Antonio on a daily basis.
The cheapest direct (nonstop) round-trip flights between San Diego and San Antonio start at $363 from Thu, Jun 25 to Mon, Jun 29 with Southwest.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Diego to San Antonio, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between San Diego and San Antonio start at $448 from Thu, Jun 4 to Sun, Jun 7 with Frontier.
The cheapest economy class round-trip flights between San Diego and San Antonio start at $200 from Thu, May 28 to Sun, May 31.
To book business class trips from San Diego to San Antonio, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between San Diego and San Antonio starts at $276 from Thu, May 7 to Sun, May 10 with Frontier.
The cheapest last-minute deal between San Diego and San Antonio at price $276 is offered by Frontier from Thu, May 7 to Sun, May 10.
To find last-minute flight deals from San Diego to San Antonio, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

Popular trips from San Diego

  1. New York
    $277
    May 23 — May 25
    Nonstop 5 hr 33 min JetBlue
  2. London
    $918
    Aug 20 — Aug 24
    1 stop 13 hr 35 min Delta, KLM
  3. Seattle
    $270
    May 22 — May 24
    1 stop 12 hr 29 min Frontier
  4. Denver
    $95
    Jun 4 — Jun 7
    Nonstop 2 hr 30 min Frontier

Find cheap flights from San Diego to anywhere

Find cheap flights on popular routes