Cheap Flights from San Antonio, TX to San Diego, CA from $106

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On Cheapflightsplus.com you will find 48 connecting flights from San Antonio to San Diego. You can compare airfare deals from 4 airlines and multiple travel sites from $106, 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: $106 (one-way), $182 (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 $106. Take a look at the list of flights with layovers from San Antonio to San Diego from $106. There’re no direct flights. The fastest connecting flight – 5h 14m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $106 Find flight	20:14 San Antonio San Antonio	23:52 San Diego San Diego	5h 38m layover 0h 44m - Denver	Frontier Airlines	F92097 F92711
from $112 Find flight	19:52 San Antonio San Antonio	23:06 San Diego San Diego	5h 14m layover 1h 0m - Las Vegas	Spirit Airlines	NK1587 NK1152
from $111 Find flight	14:11 San Antonio San Antonio	09:55+1 день San Diego San Diego	21h 44m layover 3h 49m - Los Angeles 12h 6m - Las Vegas	Spirit Airlines	NK1274 NK1052 NK1154
from $129 Find flight	17:38 San Antonio San Antonio	09:55+1 день San Diego San Diego	18h 17m layover 2h 4m - Nashville 8h 41m - Las Vegas	Spirit Airlines	NK1876 NK1772 NK1154

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 16, 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
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$194
12:01 — 17:55 +1 day	12:01 — 15:17 NK1240 Spirit Airlines San Antonio — Tampa 15h 26m stop 06:43 — 08:38 NK1684 Spirit Airlines Tampa — Las Vegas 8h stop 16:38 — 17:55 NK1150 Spirit Airlines Las Vegas — San Diego	31h 54m including layover	Find flight from$143
14:11 — 09:55 +1 day	14:11 — 15:31 NK1274 Spirit Airlines San Antonio — Los Angeles 3h 49m stop 19:20 — 20:34 NK1052 Spirit Airlines Los Angeles — Las Vegas 12h 6m stop 08:40 — 09:55 NK1154 Spirit Airlines Las Vegas — San Diego	21h 44m including layover	Find flight from$111
14:11 — 09:55 +1 day	14:11 — 15:31 NK1274 Spirit Airlines San Antonio — Los Angeles 1h 19m stop 16:46 — 18:03 NK1550 Spirit Airlines Los Angeles — Las Vegas 14h 37m stop 08:40 — 09:55 NK1154 Spirit Airlines Las Vegas — San Diego	21h 44m including layover	Find flight from$111
14:11 — 17:55 +1 day	14:11 — 15:31 NK1274 Spirit Airlines San Antonio — Los Angeles 3h 49m stop 19:20 — 20:34 NK1052 Spirit Airlines Los Angeles — Las Vegas 20h 4m stop 16:38 — 17:55 NK1150 Spirit Airlines Las Vegas — San Diego	29h 44m including layover	Find flight from$111
14:11 — 17:55 +1 day	14:11 — 15:31 NK1274 Spirit Airlines San Antonio — Los Angeles 14h 29m stop 06:40 — 07:55 NK1658 Spirit Airlines Los Angeles — Las Vegas 9h 23m stop 16:38 — 17:55 NK1150 Spirit Airlines Las Vegas — San Diego	29h 44m including layover	Find flight from$123
14:11 — 09:55 +1 day	14:11 — 15:31 NK1274 Spirit Airlines San Antonio — Los Angeles 14h 29m stop 06:40 — 07:55 NK1658 Spirit Airlines Los Angeles — Las Vegas 1h 25m stop 08:40 — 09:55 NK1154 Spirit Airlines Las Vegas — San Diego	21h 44m including layover	Find flight from$125
17:38 — 09:55 +1 day	17:38 — 19:51 NK1876 Spirit Airlines San Antonio — Nashville 2h 4m stop 21:44 — 23:54 NK1772 Spirit Airlines Nashville — Las Vegas 8h 41m stop 08:40 — 09:55 NK1154 Spirit Airlines Las Vegas — San Diego	18h 17m including layover	Find flight from$129
17:38 — 17:55 +1 day	17:38 — 19:51 NK1876 Spirit Airlines San Antonio — Nashville 2h 4m stop 21:44 — 23:54 NK1772 Spirit Airlines Nashville — Las Vegas 16h 39m stop 16:38 — 17:55 NK1150 Spirit Airlines Las Vegas — San Diego	26h 17m including layover	Find flight from$129
19:52 — 23:06	19:38 — 20:38 NK1587 Spirit Airlines San Antonio — Las Vegas 1h stop 21:46 — 23:00 NK1152 Spirit Airlines Las Vegas — San Diego	5h 14m including layover	Find flight from$112
19:52 — 09:55 +1 day	19:38 — 20:38 NK1587 Spirit Airlines San Antonio — Las Vegas 11h 48m stop 08:40 — 09:55 NK1154 Spirit Airlines Las Vegas — San Diego	16h 3m including layover	Find flight from$126
19:52 — 17:55 +1 day	19:38 — 20:38 NK1587 Spirit Airlines San Antonio — Las Vegas 19h 46m stop 16:38 — 17:55 NK1150 Spirit Airlines Las Vegas — San Diego	24h 3m including layover	Find flight from$126
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$106
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$112
20:36 — 00:11 +1 day	20:36 — 21:50 AS6612 Alaska Airlines San Antonio — Dallas 1h 29m stop 23:19 — 00:11 AS6195 Alaska Airlines Dallas — San Diego	5h 35m including layover	Find flight from$182

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

*Departure and arrival times - local. Updated on September 16, 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 05:15 to 20:36 from 5 San Antonio airports and arrive 05:15 to 20:36 to 11 San Diego airports. Average flight time is 9h 46m.

The fastest flight 5h 14m
Average flight time 9h 46m
The earliest flight 05:15
The latest flight 20:36
Distance 1128 ml

The cheapest months to travel to San Diego are june (from 106 $), august (from 111 $), july (from 117 $).

The most expensive months are may (from 307 $), july (from 117 $), august (from 111 $).

What is the lowest airfare San Antonio to San Diego?

The cheapest plane ticket found by our users is $106. This airfare is for economy class on one-way F92097 flight by Frontier Airlines for August 7, 2025 which leaves San Antonio in San Antonio at 20:14 am and arrives at San Diego San Diego at 23:52.

Economy class

$106

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First class

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Popular Airlines on the Route

The flight San Antonio — San Diego is served by 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 6 departures per week at the price of from $ 182 . And the most expensive tickets are offered by United Airlines airline - from $ 566.

Direct flights

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

Connecting Flights

There are 48 flights with layovers on the route. The fastest connecting flight is NK1587 by Spirit Airlines takes 5h 14m and the cheapest is F92097 by Frontier Airlines for $106.

AS - Alaska Airlines

from $182

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F9 - Frontier Airlines

from $106

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UA - United Airlines

from $195

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NK - Spirit Airlines

from $111

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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 $106
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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 4 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?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
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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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