United Airlines San Antonio to San Diego Flights

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Cheapflightsplus.com will find cheap United Airlines flights from San Antonio to San Diego. Compare airline ticket prices and book air tickets starting from $283 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare San Antonio (TX) — San Diego (CA) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in march: one-way - $283, two-way – $485.

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Cheap Flights from San Antonio to San Diego by United Airlines

Look at the list of plane tickets for the most connecting flights by United Airlines, their prices start from $283. There’re no direct flights. The fastest connecting flight – 5h 36m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $283 Find flight	9:45 am San Antonio San Antonio	4:31 pm San Diego San Diego	8h 46m layover 3h 59m - Houston	United Airlines	UA2105 UA222
from $283 Find flight	4:50 pm San Antonio San Antonio	10:40 pm San Diego San Diego	7h 50m layover 2h 51m - Denver	United Airlines	UA680 UA486
from $283 Find flight	12:26 pm San Antonio San Antonio	4:31 pm San Diego San Diego	6h 5m layover 1h 18m - Houston	United Airlines	UA1282 UA222
from $283 Find flight	5:57 pm San Antonio San Antonio	9:33 pm San Diego San Diego	5h 36m layover 0h 47m - Houston	United Airlines	UA465 UA2674
from $283 Find flight	2:31 pm San Antonio San Antonio	8:18 pm San Diego San Diego	7h 47m layover 2h 55m - Houston	United Airlines	UA2498 UA1373
from $283 Find flight	4:19 pm San Antonio San Antonio	9:33 pm San Diego San Diego	7h 14m layover 2h 25m - Houston	United Airlines	UA2157 UA2674
from $283 Find flight	2:15 pm San Antonio San Antonio	10:30 pm San Diego San Diego	10h 15m layover 2h 41m - Chicago	United Airlines	UA2243 UA2154
from $298 Find flight	1:18 pm San Antonio San Antonio	9:15 pm San Diego San Diego	9h 57m layover 4h 58m - Denver	United Airlines	UA1299 UA540
from $298 Find flight	1:18 pm San Antonio San Antonio	10:40 pm San Diego San Diego	11h 22m layover 6h 23m - Denver	United Airlines	UA1299 UA486
from $346 Find flight	9:00 am San Antonio San Antonio	5:44 pm San Diego San Diego	10h 44m layover 5h 46m - Denver	United Airlines	UA791 UA1281

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/23/2025

United Airlines Flight Schedule San Antonio to San Diego

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
12:26 pm — 4:31 pm	12:26 pm — 1:30 pm UA1282 United Airlines San Antonio — Houston 1h 18m stop 2:48 pm — 4:31 pm UA222 United Airlines Houston — San Diego	6h 5m including layover	Find flight from$283
1:18 pm — 9:15 pm	1:18 pm — 2:42 pm UA1299 United Airlines San Antonio — Denver 4h 58m stop 7:40 pm — 9:15 pm UA540 United Airlines Denver — San Diego	9h 57m including layover	Find flight from$298
1:18 pm — 10:40 pm	1:18 pm — 2:42 pm UA1299 United Airlines San Antonio — Denver 6h 23m stop 9:05 pm — 10:40 pm UA486 United Airlines Denver — San Diego	11h 22m including layover	Find flight from$298
2:15 pm — 10:30 pm	2:15 pm — 5:04 pm UA2243 United Airlines San Antonio — Chicago 2h 41m stop 7:45 pm — 10:30 pm UA2154 United Airlines Chicago — San Diego	10h 15m including layover	Find flight from$283
2:31 pm — 8:18 pm	2:31 pm — 3:40 pm UA2498 United Airlines San Antonio — Houston 2h 55m stop 6:35 pm — 8:18 pm UA1373 United Airlines Houston — San Diego	7h 47m including layover	Find flight from$283
4:19 pm — 9:33 pm	4:22 pm — 5:25 pm UA2157 United Airlines San Antonio — Houston 2h 25m stop 8:15 pm — 9:45 pm UA2674 United Airlines Houston — San Diego	7h 14m including layover	Find flight from$283
4:50 pm — 10:40 pm	4:50 pm — 6:14 pm UA680 United Airlines San Antonio — Denver 2h 51m stop 9:05 pm — 10:40 pm UA486 United Airlines Denver — San Diego	7h 50m including layover	Find flight from$283
5:57 pm — 9:33 pm	5:57 pm — 7:03 pm UA465 United Airlines San Antonio — Houston 47m stop 7:50 pm — 9:33 pm UA2674 United Airlines Houston — San Diego	5h 36m including layover	Find flight from$283
9:00 am — 5:44 pm	9:00 am — 10:23 am UA791 United Airlines San Antonio — Denver 5h 46m stop 4:09 pm — 5:44 pm UA1281 United Airlines Denver — San Diego	10h 44m including layover	Find flight from$346
9:45 am — 4:31 pm	9:45 am — 10:49 am UA2105 United Airlines San Antonio — Houston 3h 59m stop 2:48 pm — 4:31 pm UA222 United Airlines Houston — San Diego	8h 46m including layover	Find flight from$283

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

*Departure and arrival times are local. Last updated on 02/23/2025

Flight Information

There are 11 flights by United Airlines from San Antonio to San Diego every week with departures from San Antonio, Kelly AFB, Stinson Municipal, Randolph AFB, Martindale AAF. All flights arrive at San Diego, AFB, Golden Triangle Reg., Lowndes County, San Diego Regional, El Cajon, Montgomery Field, Miramar NAS, North Island NAS, Brown Field Municipal, Gillespie Field.

Departures start from 12:26 pm to 9:45 am. Nonstop flight is 5h 36m. The time difference between San Antonio and San Diego is 2h.

The fastest flight 5h 36m
Average flight time 8h 18m
The earliest flight 12:26 pm
The latest flight 9:45 am
Distance 1128 ml

The cheapest months for traveling to San Diego are february (from 283 $), november (from 310 $).

The cheapest flight by United Airlines that our users were able to find is $283. This airfare is economy class on one-way UA2105 flight for February 21, 2025 leaving San Antonio in San Antonio at 9:45 am, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from San Antonio to San Diego:

Other Popular Airlines on the Route

Besides United Airlines there are other 3 airline carriers between San Antonio and San Diego. Please review schedules and prices from the most popular airlines to find the best airfare deals from San Antonio to San Diego.

Nonstop flights

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

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Connecting Flights

List of flights with layovers (1 and more stops):

AS - Alaska Airlines

from $283

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F9 - Frontier Airlines

from $52

Find
NK - Spirit Airlines

from $80

Find

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