United Airlines San Antonio to San Diego Flights

Cheapflightsplus.com will find cheap United Airlines flights from San Antonio to San Diego. Compare airline ticket prices and book air tickets starting from $233 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 december: one-way - $233, two-way – $400.
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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 Arrival Flight Details Flight Time Price
12:13 pm — 8:52 pm
12:13 pm — 4:35 pm UA6156 United Airlines
San Antonio — Washington D.C.
1h 45m stop
6:20 pm — 8:52 pm UA1831 United Airlines
Washington D.C. — San Diego
10h 39m
including layover
Find flight
from$726
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$286
1:00 pm — 5:25 pm
1:00 pm — 2:24 pm UA1299 United Airlines
San Antonio — Denver
1h 31m stop
3:55 pm — 5:25 pm UA1281 United Airlines
Denver — San Diego
6h 25m
including layover
Find flight
from$234
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$302
2:05 pm — 10:30 pm
2:05 pm — 4:56 pm UA2243 United Airlines
San Antonio — Chicago
2h 59m stop
7:55 pm — 10:30 pm UA1773 United Airlines
Chicago — San Diego
10h 25m
including layover
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from$234
2:27 pm — 7:51 pm
2:27 pm — 3:34 pm UA2498 United Airlines
San Antonio — Houston
2h 37m stop
6:30 pm — 8:10 pm UA1532 United Airlines
Houston — San Diego
7h 24m
including layover
Find flight
from$235
4:00 pm — 10:00 pm
4:00 pm — 5:07 pm UA2157 United Airlines
San Antonio — Houston
3h 13m stop
8:20 pm — 10:00 pm UA1511 United Airlines
Houston — San Diego
8h
including layover
Find flight
from$234
4:50 pm — 9:10 pm
4:50 pm — 6:14 pm UA1884 United Airlines
San Antonio — Denver
1h 26m stop
7:40 pm — 9:10 pm UA540 United Airlines
Denver — San Diego
6h 20m
including layover
Find flight
from$234
5:30 am — 11:07 am
5:30 am — 6:40 am UA6189 United Airlines
San Antonio — Houston
2h 50m stop
9:30 am — 11:07 am UA2491 United Airlines
Houston — San Diego
7h 37m
including layover
Find flight
from$234
5:48 pm — 10:00 pm
5:48 pm — 6:55 pm UA465 United Airlines
San Antonio — Houston
1h 25m stop
8:20 pm — 10:00 pm UA1511 United Airlines
Houston — San Diego
6h 12m
including layover
Find flight
from$234
7:21 am — 11:07 am
7:21 am — 8:28 am UA397 United Airlines
San Antonio — Houston
1h 2m stop
9:30 am — 11:07 am UA2491 United Airlines
Houston — San Diego
5h 46m
including layover
Find flight
from$234
7:30 pm — 0:14 am
+1 day
7:30 pm — 9:50 pm UA5394 United Airlines
San Antonio — San Francisco
45m stop
10:35 pm — 0:14 am UA2201 United Airlines
San Francisco — San Diego
6h 44m
including layover
Find flight
from$234
8:49 am — 9:10 pm
8:49 am — 10:12 am UA1045 United Airlines
San Antonio — Denver
9h 28m stop
7:40 pm — 9:10 pm UA540 United Airlines
Denver — San Diego
14h 21m
including layover
Find flight
from$233
8:49 am — 1:01 pm
8:49 am — 10:12 am UA1045 United Airlines
San Antonio — Denver
1h 19m stop
11:31 am — 1:01 pm UA2381 United Airlines
Denver — San Diego
6h 12m
including layover
Find flight
from$234
9:40 am — 2:05 pm
9:40 am — 10:47 am UA2105 United Airlines
San Antonio — Houston
1h 38m stop
12:25 pm — 2:05 pm UA2486 United Airlines
Houston — San Diego
6h 25m
including layover
Find flight
from$234
9:40 am — 6:34 pm
9:40 am — 10:47 am UA2105 United Airlines
San Antonio — Houston
1h 30m stop
12:17 pm — 2:50 pm UA1057 United Airlines
Houston — San Francisco
2h 5m stop
4:55 pm — 6:34 pm UA1057 United Airlines
San Francisco — San Diego
10h 54m
including layover
Find flight
from$240
*Departure and arrival times are local. Last updated on 12/21/2024

Flight Information

There are 32 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 12:13 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 7h 50m
  • The earliest flight 12:13 pm
  • The latest flight 9:45 am
  • Distance 1128 ml

The cheapest months for traveling to San Diego are february (from 233 $), january (from 235 $), november (from 314 $).

The cheapest flight by United Airlines that our users were able to find is $233. This airfare is economy class on one-way UA1045 flight for February 1, 2025 leaving San Antonio in San Antonio at 8:49 am, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 4 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):

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How to book an air ticket yourself?

How to book an air 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.
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  • 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.

    To find a plane ticket, please select dates.

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