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Cheap flights from San Diego to San Antonio from $52

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 12/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Frontier Logo
3:05 pm - 9:30 amSAN-SAT
40h 25m2 stops
Frontier Logo
3:51 pm - 10:46 pmSAT-SAN
8h 55m1 stop
$165Frontier
Find Deal
vie., dic. 12 - mar., ene. 6
Multiple Airlines Logo
6:52 pm - 1:17 pmSAN-SAT
16h 25m1 stop
Multiple Airlines Logo
9:25 pm - 8:07 pmSAT-SAN
24h 42m1 stop
$168Multiple Airlines
Find Deal
lun., dic. 1 - vie., dic. 5
Multiple Airlines Logo
6:25 am - 6:59 pmSAN-SAT
10h 34m2 stops
Multiple Airlines Logo
9:25 pm - 8:07 pmSAT-SAN
24h 42m1 stop
$170Multiple Airlines
Find Deal
mar., dic. 9 - vie., dic. 12
Frontier Logo
10:57 am - 9:23 amSAN-SAT
20h 26m1 stop
Frontier Logo
10:18 am - 12:38 pmSAT-SAN
28h 20m2 stops
$172Frontier
Find Deal
mié., dic. 24 - dom., dic. 28
Multiple Airlines Logo
6:34 am - 6:58 pmSAN-SAT
10h 24m1 stop
Multiple Airlines Logo
7:00 am - 5:53 pmSAT-SAN
12h 53m2 stops
$173Multiple Airlines
Find Deal
lun., dic. 15 - mar., dic. 16
Frontier Logo
6:34 am - 2:11 pmSAN-SAT
5h 37m1 stop
Frontier Logo
10:18 am - 11:59 pmSAT-SAN
15h 41m2 stops
$174Frontier
Find Deal
jue., dic. 11 - jue., dic. 18
Multiple Airlines Logo
3:05 pm - 6:59 pmSAN-SAT
25h 54m2 stops
Multiple Airlines Logo
7:55 pm - 3:52 pmSAT-SAN
21h 57m1 stop
$176Multiple Airlines
Find Deal
lun., dic. 8 - vie., dic. 12
Frontier Logo
6:25 am - 3:14 pmSAN-SAT
6h 49m1 stop
Frontier Logo
4:13 pm - 10:46 pmSAT-SAN
8h 33m1 stop
$178Frontier
Find Deal
mar., mar. 3 - mié., mar. 4
Frontier Logo
10:57 am - 7:00 pmSAN-SAT
30h 03m2 stops
Frontier Logo
10:25 am - 11:59 pmSAT-SAN
15h 34m1 stop
$179Frontier
Find Deal
jue., dic. 4 - dom., dic. 7
Multiple Airlines Logo
6:52 pm - 5:12 pmSAN-SAT
20h 20m2 stops
Multiple Airlines Logo
9:25 pm - 8:07 pmSAT-SAN
24h 42m1 stop
$180Multiple Airlines
Find Deal
lun., dic. 1 - vie., dic. 5

Frontier flights from San Diego to San Antonio

Our best Frontier deals on San Diego to San Antonio flight tickets
Frontier
Dec 12
SAN3:05 pmSan Diego
40h 25m
2 stops
SAT9:30 amSan Antonio
Jan 6
SAT3:51 pmSan Antonio
8h 55m
1 stop
SAN10:46 pmSan Diego
$165
Find similar
Frontier
Dec 24
SAN10:57 amSan Diego
20h 26m
1 stop
SAT9:23 amSan Antonio
Dec 28
SAT10:18 amSan Antonio
28h 20m
2 stops
SAN12:38 pmSan Diego
$172
Find similar
Frontier
Dec 11
SAN6:34 amSan Diego
5h 37m
1 stop
SAT2:11 pmSan Antonio
Dec 18
SAT10:18 amSan Antonio
15h 41m
2 stops
SAN11:59 pmSan Diego
$174
Find similar

American Airlines flights from San Diego to San Antonio

Our best American Airlines deals on San Diego to San Antonio flight tickets
American Airlines
Jan 14
SAN8:25 amSan Diego
7h 06m
1 stop
SAT5:31 pmSan Antonio
Jan 21
SAT8:57 amSan Antonio
4h 51m
1 stop
SAN11:48 amSan Diego
$223
Find similar
American Airlines
Nov 26
SAN2:39 pmSan Diego
5h 20m
1 stop
SAT9:59 pmSan Antonio
Nov 29
SAT6:00 amSan Antonio
4h 49m
1 stop
SAN8:49 amSan Diego
$469
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated noviembre 12, 2025.
Use the filters below to find and compare flights from San Diego to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

vie. 12/12

3:05 pm-9:30 am

2 stops40h 25m

San Antonio

mar. 1/6

3:51 pm-10:46 pm

1 stop8h 55m

$165

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

lun. 12/1

6:52 pm-1:17 pm

1 stop16h 25m

San Antonio

vie. 12/5

9:25 pm-8:07 pm

1 stop24h 42m

$168

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

mar. 12/9

6:25 am-6:59 pm

2 stops10h 34m

San Antonio

vie. 12/12

9:25 pm-8:07 pm

1 stop24h 42m

$170

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

mié. 12/24

10:57 am-9:23 am

1 stop20h 26m

San Antonio

dom. 12/28

10:18 am-12:38 pm

2 stops28h 20m

$172

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

lun. 12/15

6:34 am-6:58 pm

1 stop10h 24m

San Antonio

mar. 12/16

7:00 am-5:53 pm

2 stops12h 53m

$173

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

jue. 12/11

6:34 am-2:11 pm

1 stop5h 37m

San Antonio

jue. 12/18

10:18 am-11:59 pm

2 stops15h 41m

$174

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

lun. 12/8

3:05 pm-6:59 pm

2 stops25h 54m

San Antonio

vie. 12/12

7:55 pm-3:52 pm

1 stop21h 57m

$176

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

mar. 3/3

6:25 am-3:14 pm

1 stop6h 49m

San Antonio

mié. 3/4

4:13 pm-10:46 pm

1 stop8h 33m

$178

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

jue. 12/4

10:57 am-7:00 pm

2 stops30h 03m

San Antonio

dom. 12/7

10:25 am-11:59 pm

1 stop15h 34m

$179

San DiegoSan Antonio

SAN - SAT

SANSAT

San Diego

lun. 12/1

6:52 pm-5:12 pm

2 stops20h 20m

San Antonio

vie. 12/5

9:25 pm-8:07 pm

1 stop24h 42m

$180

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between San Diego and San Antonio?

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of October, then book flights to San Antonio from San Diego during August instead. Flights to San Antonio in August, while not as cheap as those in October, still average around $299.

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 Saturday when prices can be found for as low as $385. 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 $468.

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 in the evening. momondo users have found flights departing from San Diego to San Antonio in the evening for as low as $377. 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 $446. 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 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $377 when searching 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 $283 on momondo.

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

There is only 1 cabin class 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 November 2025, prices for San Diego to San Antonio flights are approximately 30% more expensive 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

$181

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 $181. The best round-trip flight deal from San Diego to San Antonio found on momondo in the last 72 hours is $435.
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)
Search flight deals

  • 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 5h 30m.

  • 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
United AirlinesPriceFrom $100Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
Spirit AirlinesPriceFrom $119Free CancellationRating
6.3
8,137 reviews
Search Spirit Airlines flights
FrontierPriceFrom $143Free CancellationRating
5.8
3,113 reviews
Search Frontier flights
American AirlinesPriceFrom $238Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,008 reviews
Search Delta flights
SouthwestPriceFrom $297Free CancellationRating
8.0
4,235 reviews
Search Southwest flights

  • Southwest Flights From San Diego to San Antonio

    Southwest flight deals from San Diego to San Antonio start from $297 round-trip. Over the 21 Southwest flights for this route in a normal week, average airfare is usually $444 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
Boerne
Kerrville
Schertz
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

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1 adult
vie. 12/12
vie. 12/19
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