Cheap Flights from San Antonio, TX to San Diego, CA from $48

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On Cheapflightsplus.com you will find 281 connecting flights from San Antonio to San Diego. You can compare airfare deals from 6 airlines and multiple travel sites from $48, book and save on cheap plane tickets and last minute offers. Also check out SAT-SAN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip San Antonio to San Diego 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: $48 (one-way), $82 (round-trip).

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Best Flights from San Antonio to San Diego Today

Take a look at the list of non stop flights and flights with layovers from San Antonio to San Diego with the lowest price of $48. Take a look at the list of flights with layovers from San Antonio to San Diego from $48. There’re no direct flights. The fastest connecting flight – 5h 9m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $48 Find flight	19:50 San Antonio San Antonio	23:55 San Diego San Diego	6h 5m layover 1h 13m - Denver	Frontier Airlines	F92355 F92711
from $88 Find flight	16:20 San Antonio San Antonio	23:29 San Diego San Diego	9h 9m layover 4h 55m - Las Vegas	Spirit Airlines	NK2702 NK2390
from $93 Find flight	06:00 San Antonio San Antonio	09:14 San Diego San Diego	5h 14m layover 1h 16m - Las Vegas	Spirit Airlines	NK1059 NK1496
from $93 Find flight	06:00 San Antonio San Antonio	10:45 San Diego San Diego	6h 45m layover 2h 46m - Las Vegas	Spirit Airlines	NK1059 NK1475
from $93 Find flight	06:00 San Antonio San Antonio	14:11 San Diego San Diego	10h 11m layover 6h 12m - Las Vegas	Spirit Airlines	NK1059 NK3791
from $102 Find flight	19:38 San Antonio San Antonio	23:00 San Diego San Diego	5h 22m layover 1h 8m - Las Vegas	Spirit Airlines	NK1587 NK1152
from $93 Find flight	14:11 San Antonio San Antonio	09:55+1 день San Diego San Diego	21h 44m layover 5h 37m - Los Angeles 10h 14m - Las Vegas	Spirit Airlines	NK1274 NK1052 NK1154
from $93 Find flight	14:11 San Antonio San Antonio	09:55+1 день San Diego San Diego	21h 44m layover 1h 15m - Los Angeles 14h 37m - Las Vegas	Spirit Airlines	NK1274 NK1550 NK1154
from $93 Find flight	14:11 San Antonio San Antonio	17:55+1 день San Diego San Diego	29h 44m layover 5h 37m - Los Angeles 18h 12m - Las Vegas	Spirit Airlines	NK1274 NK1052 NK1150
from $97 Find flight	14:11 San Antonio San Antonio	17:55+1 день San Diego San Diego	29h 44m layover 15h 9m - Los Angeles 8h 43m - Las Vegas	Spirit Airlines	NK1274 NK1658 NK1150
from $97 Find flight	14:11 San Antonio San Antonio	23:00+1 день San Diego San Diego	34h 49m layover 15h 9m - Los Angeles 13h 51m - Las Vegas	Spirit Airlines	NK1274 NK1658 NK1152
from $98 Find flight	14:50 San Antonio San Antonio	08:14+1 день San Diego San Diego	19h 24m layover 4h 28m - Los Angeles 9h 7m - Las Vegas	Spirit Airlines	NK849 NK473 NK1496
from $98 Find flight	14:50 San Antonio San Antonio	10:45+1 день San Diego San Diego	21h 55m layover 4h 28m - Los Angeles 11h 37m - Las Vegas	Spirit Airlines	NK849 NK473 NK1475
from $98 Find flight	14:50 San Antonio San Antonio	14:11+1 день San Diego San Diego	25h 21m layover 4h 28m - Los Angeles 15h 3m - Las Vegas	Spirit Airlines	NK849 NK473 NK3791
from $99 Find flight	14:11 San Antonio San Antonio	09:55+1 день San Diego San Diego	21h 44m layover 15h 9m - Los Angeles 0h 45m - Las Vegas	Spirit Airlines	NK1274 NK1658 NK1154
from $103 Find flight	14:11 San Antonio San Antonio	23:00 San Diego San Diego	10h 49m layover 1h 15m - Los Angeles 3h 43m - Las Vegas	Spirit Airlines	NK1274 NK1550 NK1152

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 01, 2025

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

Full flight schedule will help you in detecting at what time planes fly from San Antonio to San Diego. 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
05:00 — 08:20	05:00 — 06:13 AS4328 Alaska Airlines San Antonio — Dallas 1h 12m stop 07:25 — 08:20 AS4648 Alaska Airlines Dallas — San Diego	5h 20m including layover	Find flight from$135
05:13 — 11:30	05:13 — 06:20 AS4327 Alaska Airlines San Antonio — Dallas 3h 37m stop 09:57 — 11:30 AS6818 Alaska Airlines Dallas — San Diego	8h 17m including layover	Find flight from$133
06:00 — 09:14	06:00 — 06:44 NK1059 Spirit Airlines San Antonio — Las Vegas 1h 16m stop 08:00 — 09:14 NK1496 Spirit Airlines Las Vegas — San Diego	5h 14m including layover	Find flight from$93
06:00 — 10:45	06:00 — 06:44 NK1059 Spirit Airlines San Antonio — Las Vegas 2h 46m stop 09:30 — 10:45 NK1475 Spirit Airlines Las Vegas — San Diego	6h 45m including layover	Find flight from$93
07:00 — 11:30	07:00 — 08:14 AS6489 Alaska Airlines San Antonio — Dallas 1h 43m stop 09:57 — 11:30 AS6818 Alaska Airlines Dallas — San Diego	6h 30m including layover	Find flight from$133
07:00 — 12:24	07:00 — 08:13 AS6489 Alaska Airlines San Antonio — Dallas 3h 19m stop 11:32 — 12:24 AS4006 Alaska Airlines Dallas — San Diego	7h 24m including layover	Find flight from$144
08:00 — 12:24	08:00 — 09:16 AS4387 Alaska Airlines San Antonio — Dallas 2h 16m stop 11:32 — 12:24 AS4006 Alaska Airlines Dallas — San Diego	6h 24m including layover	Find flight from$144
08:00 — 11:54	08:00 — 09:16 AS4387 Alaska Airlines San Antonio — Dallas 1h 46m stop 11:02 — 11:54 AS4645 Alaska Airlines Dallas — San Diego	5h 54m including layover	Find flight from$154
09:10 — 13:15	09:10 — 09:39 AS4329 Alaska Airlines San Antonio — Phoenix 2h 18m stop 11:57 — 13:15 AS1273 Alaska Airlines Phoenix — San Diego	6h 5m including layover	Find flight from$133
09:15 — 12:24	09:15 — 10:29 AS6184 Alaska Airlines San Antonio — Dallas 1h 3m stop 13:33 — 14:28 AS4645 Alaska Airlines Dallas — San Diego	5h 9m including layover	Find flight from$135
10:12 — 14:25	10:09 — 11:25 AS6120 Alaska Airlines San Antonio — Dallas 2h 5m stop 13:33 — 14:25 AS4006 Alaska Airlines Dallas — San Diego	6h 13m including layover	Find flight from$135
10:12 — 15:35	10:12 — 11:28 AS6120 Alaska Airlines San Antonio — Dallas 3h 12m stop 14:40 — 15:35 AS4650 Alaska Airlines Dallas — San Diego	7h 23m including layover	Find flight from$135
11:16 — 15:35	11:16 — 12:36 AS6683 Alaska Airlines San Antonio — Dallas 2h 4m stop 14:40 — 15:35 AS4650 Alaska Airlines Dallas — San Diego	6h 19m including layover	Find flight from$144
11:45 — 15:44	11:45 — 12:49 UA1282 United Airlines San Antonio — Houston 1h 31m stop 14:20 — 15:44 UA1581 United Airlines Houston — San Diego	5h 59m including layover	Find flight from$153
12:27 — 17:36	12:20 — 13:35 AS4622 Alaska Airlines San Antonio — Dallas 2h 50m stop 17:04 — 18:06 AS4646 Alaska Airlines Dallas — San Diego	7h 9m including layover	Find flight from$142
13:42 — 17:24	13:44 — 15:00 UA490 United Airlines San Antonio — Denver 1h 5m stop 16:08 — 17:29 UA1281 United Airlines Denver — San Diego	5h 42m including layover	Find flight from$154
13:43 — 17:32	13:43 — 15:00 UA1479 United Airlines San Antonio — Denver 1h 8m stop 16:08 — 17:32 UA1281 United Airlines Denver — San Diego	5h 49m including layover	Find flight from$154
14:15 — 20:04	14:15 — 15:29 AS6026 Alaska Airlines San Antonio — Dallas 3h 35m stop 19:04 — 20:05 AS4644 Alaska Airlines Dallas — San Diego	7h 49m including layover	Find flight from$147
16:20 — 23:29	14:37 — 15:36 NK2702 Spirit Airlines San Antonio — Las Vegas 4h 55m stop 22:42 — 23:56 NK2390 Spirit Airlines Las Vegas — San Diego	9h 9m including layover	Find flight from$88
16:34 — 21:55	16:21 — 17:40 AS6304 Alaska Airlines San Antonio — Dallas 2h 53m stop 20:45 — 21:45 AS4645 Alaska Airlines Dallas — San Diego	7h 21m including layover	Find flight from$133
17:30 — 21:55	17:30 — 18:46 AS4114 Alaska Airlines San Antonio — Dallas 1h 57m stop 20:43 — 21:55 AS4645 Alaska Airlines Dallas — San Diego	6h 25m including layover	Find flight from$133
17:30 — 21:47	17:30 — 18:45 AS4114 Alaska Airlines San Antonio — Dallas 1h 55m stop 20:40 — 21:47 AS4650 Alaska Airlines Dallas — San Diego	6h 17m including layover	Find flight from$142
18:42 — 23:32	18:43 — 19:59 AS6740 Alaska Airlines San Antonio — Dallas 2h 30m stop 22:39 — 23:43 AS4112 Alaska Airlines Dallas — San Diego	6h 50m including layover	Find flight from$142
18:45 — 22:30	18:17 — 19:34 AS4653 Alaska Airlines San Antonio — Dallas 1h 30m stop 22:59 — 23:56 AS4112 Alaska Airlines Dallas — San Diego	5h 45m including layover	Find flight from$135
19:50 — 23:55	11:32 — 12:53 F92355 Frontier Airlines San Antonio — Denver 1h 13m stop 22:30 — 23:56 F92711 Frontier Airlines Denver — San Diego	6h 5m including layover	Find flight from$48
19:50 — 09:52 +1 day	11:32 — 12:53 F92355 Frontier Airlines San Antonio — Denver 11h 6m stop 05:35 — 07:05 F92817 Frontier Airlines Denver — San Diego	16h 2m including layover	Find flight from$72
20:14 — 09:52 +1 day	18:59 — 20:29 F92097 Frontier Airlines San Antonio — Denver 10h 37m stop 08:22 — 09:52 F92817 Frontier Airlines Denver — San Diego	15h 38m including layover	Find flight from$117
20:14 — 23:52	18:59 — 20:29 F92097 Frontier Airlines San Antonio — Denver 44m stop 21:36 — 23:05 F92711 Frontier Airlines Denver — San Diego	5h 38m including layover	Find flight from$130
22:57 — 07:13 +1 day	14:37 — 15:36 NK2702 Spirit Airlines San Antonio — Las Vegas 6h 3m stop 06:00 — 07:13 NK2502 Spirit Airlines Las Vegas — San Diego	10h 16m including layover	Find flight from$97

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

*Departure and arrival times - local. Updated on July 1, 2025

Flight Information

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

Distance between San Antonio and San Diego is 1814 miles. Time difference between the cities is 2h. Airplanes depart 05:00 to 22:57 from 5 San Antonio airports and arrive 05:00 to 22:57 to 11 San Diego airports. Average flight time is 7h 58m.

The fastest flight 5h 9m
Average flight time 7h 58m
The earliest flight 05:00
The latest flight 22:57
Distance 1128 ml

The cheapest months to travel to San Diego are june (from 60 $), november (from 64 $), july (from 64 $).

The most expensive months are september (from 129 $), october (from 127 $), august (from 125 $).

What is the lowest airfare San Antonio to San Diego?

The cheapest plane ticket found by our users is $48. This airfare is for economy class on one-way F92355 flight by Frontier Airlines for July 8, 2025 which leaves San Antonio in San Antonio at 19:50 am and arrives at San Diego San Diego at 23:55.

Economy class

$48

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Business class

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First class

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Popular Airlines on the Route

The flight San Antonio — San Diego is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 96 departures per week at the price of from $ 133 . And the most expensive tickets are offered by United Airlines airline - from $ 437.

Direct flights

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

Connecting Flights

There are 281 flights with layovers on the route. The fastest connecting flight is AS6184 by Alaska Airlines takes 5h 9m and the cheapest is F92355 by Frontier Airlines for $48.

AS - Alaska Airlines

from $133

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F9 - Frontier Airlines

from $48

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SY - Sun Country Airlines

from $146

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HA - Hawaiian Airlines

from $173

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UA - United Airlines

from $153

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NK - Spirit Airlines

from $88

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See more connecting flights

Airports

You can fly from San Antonio to San Diego from 5 airports (Randolph AFB, Martindale AAF, San Antonio, Kelly AFB, Stinson Municipal).

San Antonio airports

Randolph AFB-RND

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Martindale AAF-MDA

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San Antonio-SAT

from $48
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Kelly AFB-SKF

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Stinson Municipal-SSF

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San Diego airports

San Diego-SAN

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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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Airplanes

There are flights to San Diego from San Antonio by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from San Antonio

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

San Antonio — Las Vegas

from $55

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San Antonio — Dallas

from $75

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San Antonio — New York

from $74

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San Antonio — Chicago

from $73

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San Antonio — Denver

from $80

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San Antonio — Seattle

from $67

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San Antonio — Houston

from $63

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San Antonio — Miami

from $70

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San Antonio — Los Angeles

from $57

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San Antonio — Atlanta

from $60

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Top International Destinations from San Antonio

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 Antonio — Cancun

from $79

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San Antonio — Mexico City

from $73

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San Antonio — Guadalajara

from $65

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San Antonio — Toronto

from $61

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San Antonio — Vancouver

from $75

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San Antonio — Puerto Vallarta

from $54

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San Antonio — San Juan

from $76

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How to book a plane ticket yourself?

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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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