Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Diego to San Antonio from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to San Antonio departing on 6/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from San Diego to San Antonio

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Diego to San Antonio.
Spirit Airlines Logo
6:15 am - 6:20 pmSAN-SAT
10h 05m1 stop
Spirit Airlines Logo
7:25 pm - 12:42 amSAT-SAN
7h 17m1 stop
$92Spirit Airlines
Find Deal
Thu, Apr 17 - Mon, Apr 21
Spirit Airlines Logo
6:15 am - 6:20 pmSAN-SAT
10h 05m1 stop
Spirit Airlines Logo
6:31 pm - 12:42 amSAT-SAN
8h 11m1 stop
$103Spirit Airlines
Find Deal
Wed, Apr 23 - Wed, Apr 30
Spirit Airlines Logo
6:15 am - 9:32 amSAN-SAT
25h 17m1 stop
Spirit Airlines Logo
6:31 pm - 12:42 amSAT-SAN
8h 11m1 stop
$112Spirit Airlines
Find Deal
Sun, Apr 27 - Tue, Apr 29
Frontier Logo
6:25 am - 7:01 pmSAN-SAT
10h 36m1 stop
Frontier Logo
5:52 pm - 12:14 amSAT-SAN
8h 22m1 stop
$210Frontier
Find Deal
Thu, Apr 17 - Thu, Apr 24
Frontier Logo
12:19 pm - 7:01 pmSAN-SAT
28h 42m1 stop
Frontier Logo
2:18 pm - 12:17 amSAT-SAN
11h 59m1 stop
$230Frontier
Find Deal
Wed, Apr 16 - Sat, Apr 19
Delta Logo
6:15 am - 1:41 pmSAN-SAT
5h 26m1 stop
Delta Logo
6:00 am - 9:19 amSAT-SAN
5h 19m1 stop
$299Delta
Find Deal
Sat, Jun 21 - Sat, Jun 28
Southwest Logo
6:55 pm - 11:35 pmSAN-SAT
2h 40mnonstop
Southwest Logo
8:55 am - 9:55 amSAT-SAN
3h 00mnonstop
$327Southwest
Find Deal
Wed, Apr 23 - Wed, Apr 30
Delta Logo
6:15 am - 1:41 pmSAN-SAT
5h 26m1 stop
Delta Logo
5:50 pm - 11:13 pmSAT-SAN
7h 23m1 stop
$329Delta
Find Deal
Sun, Jun 22 - Mon, Aug 4
Southwest Logo
4:35 pm - 10:20 pmSAN-SAT
3h 45m1 stop
Southwest Logo
8:55 am - 9:55 amSAT-SAN
3h 00mnonstop
$333Southwest
Find Deal
Wed, Apr 23 - Wed, Apr 30
American Airlines Logo
1:22 pm - 11:01 pmSAN-SAT
7h 39m1 stop
American Airlines Logo
6:45 pm - 11:23 pmSAT-SAN
6h 38m1 stop
$779American Airlines
Find Deal
Sat, Aug 9 - Wed, Aug 13

Spirit Airlines flights from San Diego to San Antonio

Our best Spirit Airlines deals on San Diego to San Antonio flight tickets
Spirit Airlines
Apr 17
SAN6:15 amSan Diego
10h 05m
1 stop
SAT6:20 pmSan Antonio
Apr 21
SAT7:25 pmSan Antonio
7h 17m
1 stop
SAN12:42 amSan Diego
Spirit Airlines
Apr 23
SAN6:15 amSan Diego
10h 05m
1 stop
SAT6:20 pmSan Antonio
Apr 30
SAT6:31 pmSan Antonio
8h 11m
1 stop
SAN12:42 amSan Diego
Spirit Airlines
Apr 27
SAN6:15 amSan Diego
25h 17m
1 stop
SAT9:32 amSan Antonio
Apr 29
SAT6:31 pmSan Antonio
8h 11m
1 stop
SAN12:42 amSan Diego

Frontier flights from San Diego to San Antonio

Our best Frontier deals on San Diego to San Antonio flight tickets
Frontier
Apr 17
SAN6:25 amSan Diego
10h 36m
1 stop
SAT7:01 pmSan Antonio
Apr 24
SAT5:52 pmSan Antonio
8h 22m
1 stop
SAN12:14 amSan Diego
Frontier
Apr 16
SAN12:19 pmSan Diego
28h 42m
1 stop
SAT7:01 pmSan Antonio
Apr 19
SAT2:18 pmSan Antonio
11h 59m
1 stop
SAN12:17 amSan Diego
Frontier
Apr 11
SAN9:19 pmSan Diego
19h 53m
1 stop
SAT7:12 pmSan Antonio
Apr 13
SAT7:51 pmSan Antonio
6h 23m
1 stop
SAN12:14 amSan Diego

See travel insights to San Antonio from

How to get the cheapest flight ticket from San Diego to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from San Diego during September instead. Flights to San Antonio in September, while not as cheap as those in August, still average around $332.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $383. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Friday is $467.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from San Diego to San Antonio at noon for as low as $370. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $447. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest San Diego to San Antonio flight route?

Fly from San Diego to San Antonio for the best San Diego - San Antonio flight prices

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from San Diego when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $382 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from San Diego for as low as $304 on momondo.

What cabin class options are available on San Diego to San Antonio flights?

There are 1 cabin classes available to choose from on San Diego to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Diego to San Antonio flight prices changed over time?

As of April 2025, prices for San Diego to San Antonio flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to San Antonio (SAN to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to San Antonio

Best Price Found

$39

Fastest flight time

2h 40m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from San Diego in the past 72 hours is $39. The best round-trip flight deal from San Diego to San Antonio found on momondo in the last 72 hours is $92.
The fastest flight from San Diego to San Antonio takes 2h 40m
Direct flights go from San Diego to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)

  • How far is San Diego to San Antonio by plane?

    San Antonio is 1125.3 mi away from San Diego. In terms of flight time, this usually takes a little over 2h 40m.

  • When did momondo last update prices for flights from San Diego Airport to San Antonio Airport?

    Prices for flights from San Diego Airport to San Antonio Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Diego Airport to San Antonio Airport?

  • How old do you have to be to fly from San Diego Airport to San Antonio Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Diego to San Antonio?

  • What is the most popular airline from San Diego to San Antonio?


Best airlines flying from San Diego to San Antonio

Compare and see reviews for airlines that fly from San Diego to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $106Free CancellationRating
6.3
7,890 reviews
Search Spirit Airlines flights
FrontierPriceFrom $108Free CancellationRating
5.9
3,276 reviews
Search Frontier flights
American AirlinesPriceFrom $219Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $267Free CancellationRating
8.0
7,901 reviews
Search Delta flights
Alaska AirlinesPriceFrom $291Free CancellationRating
8.0
9,836 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $314Free CancellationRating
7.4
8,618 reviews
Search United Airlines flights
SouthwestPriceFrom $340Free CancellationRating
8.0
4,276 reviews
Search Southwest flights
  • Southwest Flights From San Diego to San Antonio

    Southwest flight deals from San Diego to San Antonio start from $340 round-trip. Over the 5 Southwest flights for this route in a normal week, average airfare is usually $445 round-trip - but some users have found much cheaper deals with momondo.


Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Schertz
Boerne
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to San Antonio?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to San Antonio for you.

Can I find flights from San Diego to San Antonio with flexible booking policies on momondo?

All flight searches from San Diego to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to San Antonio?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Diego to San Antonio.

I’m not ready to book a flight from San Diego to San Antonio right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from San Diego and alert you when they change.


An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 4/9
Wed 4/16

Find better results for your trip to the United States