Cheap Flights from San Diego, CA to San Antonio, TX from $76

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On Cheapflightsplus.com you will find 247 connecting flights from San Diego to San Antonio. You can compare airfare deals from 7 airlines and multiple travel sites from $76, 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: $76 (one-way), $130 (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 $76. Take a look at the list of flights with layovers from San Diego to San Antonio from $76. There’re no direct flights. The fastest connecting flight – 5h 13m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $76 Find flight	06:25 San Diego San Diego	18:02 San Antonio San Antonio	9h 37m layover 4h 43m - Denver	Frontier Airlines	F92818 F92098
from $93 Find flight	15:10 San Diego San Diego	05:04+1 день San Antonio San Antonio	11h 54m layover 7h 57m - Las Vegas	Spirit Airlines	NK3792 NK1058
from $95 Find flight	19:31 San Diego San Diego	05:00+1 день San Antonio San Antonio	7h 29m layover 3h 41m - Las Vegas	Spirit Airlines	NK2296 NK2705
from $95 Find flight	17:50 San Diego San Diego	05:00+1 день San Antonio San Antonio	9h 10m layover 5h 19m - Las Vegas	Spirit Airlines	NK2507 NK2705
from $102 Find flight	20:37 San Diego San Diego	18:02+1 день San Antonio San Antonio	19h 25m layover 14h 24m - Denver	Frontier Airlines	F94990 F92098
from $102 Find flight	06:15 San Diego San Diego	18:33 San Antonio San Antonio	10h 18m layover 6h 14m - Las Vegas	Spirit Airlines	NK1153 NK1586
from $105 Find flight	21:25 San Diego San Diego	18:33+1 день San Antonio San Antonio	19h 8m layover 15h 1m - Las Vegas	Spirit Airlines	NK1151 NK1586
from $105 Find flight	06:15 San Diego San Diego	05:00+1 день San Antonio San Antonio	20h 45m layover 16h 53m - Las Vegas	Spirit Airlines	NK2369 NK2705
from $99 Find flight	15:10 San Diego San Diego	23:30+1 день San Antonio San Antonio	30h 20m layover 2h 14m - Las Vegas 22h 31m - Los Angeles	Spirit Airlines	NK3792 NK1495 NK848
from $99 Find flight	11:40 San Diego San Diego	23:30+1 день San Antonio San Antonio	33h 50m layover 5h 45m - Las Vegas 22h 31m - Los Angeles	Spirit Airlines	NK1480 NK1495 NK848
from $102 Find flight	06:15 San Diego San Diego	13:06+1 день San Antonio San Antonio	28h 51m layover 11h 22m - Las Vegas 11h 54m - Los Angeles	Spirit Airlines	NK1153 NK1551 NK1273
from $102 Find flight	06:15 San Diego San Diego	13:06+1 день San Antonio San Antonio	28h 51m layover 14h 0m - Las Vegas 9h 20m - Los Angeles	Spirit Airlines	NK1153 NK1657 NK1273
from $102 Find flight	11:40 San Diego San Diego	23:30+1 день San Antonio San Antonio	33h 50m layover 15h 58m - Las Vegas 12h 21m - Los Angeles	Spirit Airlines	NK1480 NK465 NK848
from $102 Find flight	09:09 San Diego San Diego	23:30+1 день San Antonio San Antonio	36h 21m layover 18h 29m - Las Vegas 12h 21m - Los Angeles	Spirit Airlines	NK1499 NK465 NK848
from $104 Find flight	11:40 San Diego San Diego	23:30+1 день San Antonio San Antonio	33h 50m layover 20h 40m - Las Vegas 7h 36m - Los Angeles	Spirit Airlines	NK1480 NK711 NK848
from $118 Find flight	16:57 San Diego San Diego	13:06+1 день San Antonio San Antonio	18h 9m layover 0h 40m - Las Vegas 11h 54m - Los Angeles	Spirit Airlines	NK1157 NK1551 NK1273

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 30, 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
06:25 — 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$76
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$77
07:10 — 16:40	07:10 — 12:18 AS6035 Alaska Airlines San Diego — Dallas 3h 17m stop 15:35 — 16:40 AS4114 Alaska Airlines Dallas — San Antonio	7h 30m including layover	Find flight from$142
07:15 — 16:30	07:15 — 12:27 AS6035 Alaska Airlines San Diego — Dallas 3h 3m stop 15:30 — 16:30 AS4014 Alaska Airlines Dallas — San Antonio	7h 15m including layover	Find flight from$135
08:40 — 17:46	08:20 — 13:35 AS4320 Alaska Airlines San Diego — Dallas 2h 50m stop 16:40 — 17:48 AS4653 Alaska Airlines Dallas — San Antonio	7h 6m including layover	Find flight from$132
08:40 — 18:36	08:20 — 13:35 AS4320 Alaska Airlines San Diego — Dallas 3h 40m stop 17:34 — 18:39 AS4477 Alaska Airlines Dallas — San Antonio	7h 56m including layover	Find flight from$132
09:02 — 16:51	08:45 — 12:13 UA2476 United Airlines San Diego — Denver 1h 11m stop 13:46 — 17:00 UA1022 United Airlines Denver — San Antonio	5h 49m including layover	Find flight from$154
10:15 — 17:46	09:55 — 15:05 AS6233 Alaska Airlines San Diego — Dallas 1h 13m stop 16:40 — 17:48 AS4653 Alaska Airlines Dallas — San Antonio	5h 31m including layover	Find flight from$132
10:50 — 18:34	10:40 — 15:55 AS4615 Alaska Airlines San Diego — Dallas 1h 20m stop 18:34 — 19:48 AS6612 Alaska Airlines Dallas — San Antonio	5h 44m including layover	Find flight from$135
11:27 — 20:57	11:31 — 14:59 UA264 United Airlines San Diego — Denver 2h 50m stop 17:48 — 21:04 UA1110 United Airlines Denver — San Antonio	7h 30m including layover	Find flight from$154
11:40 — 05:04 +1 day	11:40 — 13:02 NK1480 Spirit Airlines San Diego — Las Vegas 11h 28m stop 00:30 — 05:04 NK1058 Spirit Airlines Las Vegas — San Antonio	15h 24m including layover	Find flight from$106
12:42 — 20:57	12:14 — 17:30 AS6783 Alaska Airlines San Diego — Dallas 1h 55m stop 19:30 — 20:36 AS4545 Alaska Airlines Dallas — San Antonio	6h 15m including layover	Find flight from$142
12:47 — 22:51	12:47 — 17:50 AS6036 Alaska Airlines San Diego — Dallas 3h 50m stop 21:40 — 22:51 AS6598 Alaska Airlines Dallas — San Antonio	8h 4m including layover	Find flight from$132
13:00 — 05:04 +1 day	13:00 — 14:24 NK1499 Spirit Airlines San Diego — Las Vegas 10h 6m stop 00:30 — 05:04 NK1058 Spirit Airlines Las Vegas — San Antonio	14h 4m including layover	Find flight from$115
13:54 — 23:05	13:54 — 15:17 AS1208 Alaska Airlines San Diego — Phoenix 3h 33m stop 18:50 — 23:05 AS4297 Alaska Airlines Phoenix — San Antonio	7h 11m including layover	Find flight from$132
14:57 — 22:51	14:57 — 20:03 AS6818 Alaska Airlines San Diego — Dallas 1h 37m stop 21:40 — 22:51 AS6598 Alaska Airlines Dallas — San Antonio	5h 54m including layover	Find flight from$132
14:57 — 23:42	14:57 — 20:03 AS6818 Alaska Airlines San Diego — Dallas 2h 27m stop 22:30 — 23:42 AS4300 Alaska Airlines Dallas — San Antonio	6h 45m including layover	Find flight from$132
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$93
15:30 — 22:51	15:30 — 20:33 AS6590 Alaska Airlines San Diego — Dallas 1h 7m stop 21:40 — 22:51 AS6598 Alaska Airlines Dallas — San Antonio	5h 21m including layover	Find flight from$132
16:57 — 18:33 +1 day	16:57 — 18:19 NK1157 Spirit Airlines San Diego — Las Vegas 19h 32m stop 13:51 — 18:33 NK1586 Spirit Airlines Las Vegas — San Antonio	23h 36m including layover	Find flight from$105
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$95
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$95
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$102
21:25 — 18:33 +1 day	18:50 — 20:13 NK1151 Spirit Airlines San Diego — Las Vegas 15h 1m stop 13:51 — 18:33 NK1586 Spirit Airlines Las Vegas — San Antonio	19h 8m including layover	Find flight from$105

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

*Departure and arrival times - local. Updated on June 30, 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 9h 59m.

The fastest flight 5h 13m
Average flight time 9h 59m
The earliest flight 06:15
The latest flight 23:00
Distance 1128 ml

The cheapest months to travel to San Antonio are june (from 49 $), may (from 66 $), august (from 102 $).

The most expensive months are july (from 127 $), october (from 127 $), september (from 103 $).

What is the lowest airfare San Diego to San Antonio?

The cheapest plane ticket found by our users is $76. This airfare is for economy class on one-way F92818 flight by Frontier Airlines for August 16, 2025 which leaves San Diego in San Diego at 06:25 am and arrives at San Antonio San Antonio at 18:02.

Economy class

$76

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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 - 80 departures per week at the price of from $ 132 . And the most expensive tickets are offered by United Airlines airline - from $ 4848.

Direct flights

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

Connecting Flights

There are 247 flights with layovers on the route. The fastest connecting flight is AS4320 by Alaska Airlines takes 5h 13m and the cheapest is F92818 by Frontier Airlines for $76.

AS - Alaska Airlines

from $132

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F9 - Frontier Airlines

from $76

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SY - Sun Country Airlines

from $148

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HA - Hawaiian Airlines

from $143

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UA - United Airlines

from $153

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NK - Spirit Airlines

from $93

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G4 - Allegiant Air

from $154

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See more connecting flights

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 $76
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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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