Cheap Flights from San Diego, CA to San Antonio, TX from $46

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On Cheapflightsplus.com you will find 382 connecting flights from San Diego to San Antonio. You can compare airfare deals from 7 airlines and multiple travel sites from $46, book and save on cheap plane tickets and last minute offers. Also check out SAN-SAT flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip San Diego to San Antonio Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $46 (one-way), $79 (round-trip).

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Best Flights from San Diego to San Antonio Today

Take a look at the list of non stop flights and flights with layovers from San Diego to San Antonio with the lowest price of $46. Take a look at the list of flights with layovers from San Diego to San Antonio from $46. There’re no direct flights. The fastest connecting flight – 5h 13m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $46 Find flight	20:48 San Diego San Diego	05:04+1 день San Antonio San Antonio	6h 16m layover 2h 26m - Las Vegas	Spirit Airlines	NK2021 NK2705
from $97 Find flight	06:25 San Diego San Diego	14:00 San Antonio San Antonio	5h 35m layover 0h 41m - Denver	Frontier Airlines	F92818 F92356

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 18, 2025

Flight Schedule San Diego (California) to San Antonio (Texas)

Full flight schedule will help you in detecting at what time planes fly from San Diego to San Antonio. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
06:15 — 05:00 +1 day	06:15 — 07:35 NK2369 Spirit Airlines San Diego — Las Vegas 16h 53m stop 00:33 — 05:04 NK2705 Spirit Airlines Las Vegas — San Antonio	20h 45m including layover	Find flight from$111
06:15 — 10:47 +1 day	06:15 — 07:35 NK2369 Spirit Airlines San Diego — Las Vegas 22h 35m stop 06:10 — 10:47 NK2180 Spirit Airlines Las Vegas — San Antonio	26h 32m including layover	Find flight from$115
06:25 — 14:00	06:25 — 10:02 F92818 Frontier Airlines San Diego — Denver 41m stop 10:43 — 14:00 F92356 Frontier Airlines Denver — San Antonio	5h 35m including layover	Find flight from$97
06:25 — 18:02	06:41 — 10:12 F92818 Frontier Airlines San Diego — Denver 4h 43m stop 15:20 — 18:36 F92098 Frontier Airlines Denver — San Antonio	9h 37m including layover	Find flight from$97
10:50 — 18:36	10:50 — 14:20 F94928 Frontier Airlines San Diego — Denver 1h stop 15:20 — 18:36 F92098 Frontier Airlines Denver — San Antonio	5h 46m including layover	Find flight from$99
12:51 — 13:23 +1 day	12:51 — 14:23 F91466 Frontier Airlines San Diego — Las Vegas 18h 17m stop 08:40 — 13:23 F93418 Frontier Airlines Las Vegas — San Antonio	22h 32m including layover	Find flight from$118
15:10 — 05:04 +1 day	15:10 — 16:33 NK3792 Spirit Airlines San Diego — Las Vegas 7h 57m stop 00:30 — 05:04 NK1058 Spirit Airlines Las Vegas — San Antonio	11h 54m including layover	Find flight from$120
17:43 — 10:47 +1 day	17:43 — 19:01 NK2507 Spirit Airlines San Diego — Las Vegas 11h 9m stop 06:10 — 10:47 NK2180 Spirit Airlines Las Vegas — San Antonio	15h 4m including layover	Find flight from$115
17:50 — 05:00 +1 day	17:43 — 19:01 NK2507 Spirit Airlines San Diego — Las Vegas 5h 19m stop 00:33 — 05:04 NK2705 Spirit Airlines Las Vegas — San Antonio	9h 10m including layover	Find flight from$46
18:58 — 10:47 +1 day	18:58 — 20:17 NK2296 Spirit Airlines San Diego — Las Vegas 9h 53m stop 06:10 — 10:47 NK2180 Spirit Airlines Las Vegas — San Antonio	13h 49m including layover	Find flight from$46
19:06 — 13:03 +1 day	19:16 — 20:43 F91326 Frontier Airlines San Diego — Las Vegas 11h 40m stop 08:40 — 13:23 F93418 Frontier Airlines Las Vegas — San Antonio	15h 57m including layover	Find flight from$101
19:31 — 05:00 +1 day	18:58 — 20:17 NK2296 Spirit Airlines San Diego — Las Vegas 3h 41m stop 00:33 — 05:04 NK2705 Spirit Airlines Las Vegas — San Antonio	7h 29m including layover	Find flight from$46
20:37 — 18:02 +1 day	19:19 — 23:00 F94990 Frontier Airlines San Diego — Denver 14h 24m stop 15:20 — 18:36 F92098 Frontier Airlines Denver — San Antonio	19h 25m including layover	Find flight from$113
20:48 — 05:04 +1 day	20:48 — 22:07 NK2021 Spirit Airlines San Diego — Las Vegas 2h 26m stop 00:33 — 05:04 NK2705 Spirit Airlines Las Vegas — San Antonio	6h 16m including layover	Find flight from$46
20:48 — 10:47 +1 day	20:48 — 22:07 NK2021 Spirit Airlines San Diego — Las Vegas 8h 3m stop 06:10 — 10:47 NK2180 Spirit Airlines Las Vegas — San Antonio	11h 59m including layover	Find flight from$46

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on September 18, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from San Diego to San Antonio depends on and how to choose the most interesting flight option for you.

Distance between San Diego and San Antonio is 1814 miles. Time difference between the cities is 2h. Airplanes depart 06:15 to 23:00 from 11 San Diego airport and arrive 06:15 to 23:00 to 5 San Antonio airports. Average flight time is 10h 10m.

The fastest flight 5h 13m
Average flight time 10h 10m
The earliest flight 06:15
The latest flight 23:00
Distance 1128 ml

The cheapest months to travel to San Antonio are june (from 46 $), may (from 58 $), september (from 97 $).

The most expensive months are january (from 400 $), november (from 397 $), december (from 330 $).

What is the lowest airfare San Diego to San Antonio?

The cheapest plane ticket found by our users is $46. This airfare is for economy class on one-way NK2296 flight by Spirit Airlines for July 6, 2025 which leaves San Diego in San Diego at 19:31 am and arrives at San Antonio San Antonio at 05:00.

Economy class

$46

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Business class

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First class

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Popular Airlines on the Route

The flight San Diego — San Antonio is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 130 departures per week at the price of from $ 166 . And the most expensive tickets are offered by United Airlines airline - from $ 6109.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 382 flights with layovers on the route. The fastest connecting flight is AS4320 by Alaska Airlines takes 5h 13m and the cheapest is NK2296 by Spirit Airlines for $46.

AS - Alaska Airlines

from $166

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F9 - Frontier Airlines

from $97

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SY - Sun Country Airlines

from $167

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HA - Hawaiian Airlines

from $181

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UA - United Airlines

from $194

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NK - Spirit Airlines

from $46

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G4 - Allegiant Air

from $168

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Airports

You can fly from San Diego to San Antonio from 11 airports (San Diego, San Diego Regional, Gillespie Field, Golden Triangle Reg., El Cajon, Lowndes County, Miramar NAS, Montgomery Field, North Island NAS, Brown Field Municipal, AFB).

San Diego airports

San Diego-SAN

from $46
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San Diego Regional-USA

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Gillespie Field-SEE

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Golden Triangle Reg.-GTR

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El Cajon-CJN

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Lowndes County-UBS

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Miramar NAS-NKX

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Montgomery Field-MYF

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North Island NAS-NZY

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Brown Field Municipal-SDM

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AFB-CBM

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San Antonio airports

Randolph AFB-RND

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Martindale AAF-MDA

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San Antonio-SAT

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Kelly AFB-SKF

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Stinson Municipal-SSF

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Airplanes

There are flights to San Antonio from San Diego by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from San Diego

You may also consider searching for discounted plane tickets to some other popular places from San Diego within United States.

San Diego — Las Vegas

from $67

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San Diego — Seattle

from $56

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San Diego — New York

from $68

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San Diego — San Francisco

from $54

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San Diego — Denver

from $64

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San Diego — Phoenix

from $71

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San Diego — Chicago

from $57

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San Diego — Sacramento

from $76

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San Diego — Dallas

from $70

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San Diego — Boston

from $76

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Top International Destinations from San Diego

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

San Diego — San Jose

from $65

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San Diego — London

from $66

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San Diego — Vancouver

from $79

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San Diego — Tokyo

from $72

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San Diego — Cancun

from $72

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San Diego — Paris

from $79

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San Diego — Toronto

from $68

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San Diego — Rome

from $54

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San Diego — Madrid

from $65

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San Diego — Calgary

from $60

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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