United Airlines Ontario to San Antonio Flights

Cheapflightsplus.com will find cheap United Airlines flights from Ontario to San Antonio. Compare airline ticket prices and book air tickets starting from $108 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 Ontario (CA) — San Antonio (TX) 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 may: one-way - $108, two-way – $185.
Direct flights
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Below is a detailed 2024 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
1:35 pm — 8:51 pm
1:35 pm — 4:45 pm UA1635 United Airlines
Ontario — Denver
50m stop
5:35 pm — 8:51 pm UA5941 United Airlines
Denver — San Antonio
5h 16m
including layover
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from$108
1:35 pm — 11:56 pm
1:35 pm — 4:45 pm UA1635 United Airlines
Ontario — Denver
3h 59m stop
8:44 pm — 11:56 pm F9390 Frontier Airlines
Denver — San Antonio
8h 21m
including layover
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from$127
5:45 am — 1:00 pm
5:45 am — 8:53 am UA1852 United Airlines
Ontario — Denver
1h stop
9:53 am — 1:00 pm UA4488 United Airlines
Denver — San Antonio
5h 15m
including layover
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from$175
6:05 am — 4:27 pm
6:05 am — 7:31 am UA295 United Airlines
Ontario — San Francisco
3h 9m stop
10:40 am — 4:27 pm UA5334 United Airlines
San Francisco — San Antonio
8h 22m
including layover
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from$108
11:50 am — 11:03 pm
11:50 am — 1:17 pm UA5228 United Airlines
Ontario — San Francisco
1h 39m stop
2:56 pm — 8:45 pm UA264 United Airlines
San Francisco — Houston
1h 20m stop
10:05 pm — 11:03 pm UA1247 United Airlines
Houston — San Antonio
9h 13m
including layover
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from$330
11:50 am — 10:56 am
+1 day
11:50 am — 1:17 pm UA5228 United Airlines
Ontario — San Francisco
1h 39m stop
2:56 pm — 8:45 pm UA264 United Airlines
San Francisco — Houston
13h 13m stop
9:58 am — 10:56 am UA1082 United Airlines
Houston — San Antonio
21h 6m
including layover
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from$334
4:42 pm — 4:14 pm
+1 day
4:42 pm — 6:08 pm UA5286 United Airlines
Ontario — San Francisco
1h 57m stop
8:05 pm — 11:31 pm UA1542 United Airlines
San Francisco — Denver
13h 34m stop
1:05 pm — 4:14 pm UA5673 United Airlines
Denver — San Antonio
21h 32m
including layover
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from$317
4:45 pm — 4:14 pm
+1 day
4:45 pm — 6:12 pm UA5286 United Airlines
Ontario — San Francisco
2h 18m stop
8:30 pm — 11:56 pm UA2362 United Airlines
San Francisco — Denver
13h 9m stop
1:05 pm — 4:14 pm UA5673 United Airlines
Denver — San Antonio
21h 29m
including layover
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from$316
5:45 am — 5:34 pm
5:45 am — 8:53 am UA1852 United Airlines
Ontario — Denver
2h 42m stop
11:35 am — 2:58 pm UA306 United Airlines
Denver — Houston
1h 37m stop
4:35 pm — 5:34 pm UA1481 United Airlines
Houston — San Antonio
9h 49m
including layover
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from$313
6:05 am — 9:15 pm
6:05 am — 7:31 am UA295 United Airlines
Ontario — San Francisco
3h 9m stop
10:40 am — 2:17 pm UA223 United Airlines
San Francisco — Denver
3h 33m stop
5:50 pm — 9:15 pm UA5941 United Airlines
Denver — San Antonio
13h 10m
including layover
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from$313
7:35 pm — 9:05 am
+1 day
7:35 pm — 9:02 pm UA5366 United Airlines
Ontario — San Francisco
2h 18m stop
11:20 pm — 5:29 am UA507 United Airlines
San Francisco — New Orleans
2h 1m stop
7:30 am — 9:05 am F91701 Frontier Airlines
New Orleans — San Antonio
11h 30m
including layover
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from$142
7:35 pm — 10:56 am
+1 day
7:35 pm — 9:02 pm UA5366 United Airlines
Ontario — San Francisco
3h 53m stop
0:55 am — 6:36 am UA1200 United Airlines
San Francisco — Houston
3h 22m stop
9:58 am — 10:56 am UA1082 United Airlines
Houston — San Antonio
13h 21m
including layover
Find flight
from$330
8:12 pm — 8:44 am
+1 day
8:12 pm — 9:39 pm UA5366 United Airlines
Ontario — San Francisco
2h 6m stop
11:45 pm — 5:29 am UA1204 United Airlines
San Francisco — Houston
2h 16m stop
7:45 am — 8:44 am UA1138 United Airlines
Houston — San Antonio
10h 32m
including layover
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from$271
8:12 pm — 9:50 am
+1 day
8:12 pm — 9:39 pm UA5366 United Airlines
Ontario — San Francisco
1h 31m stop
11:10 pm — 5:25 am UA412 United Airlines
San Francisco — Mexico City
2h 10m stop
7:35 am — 9:50 am 4O2950 Interjet
Mexico City — San Antonio
11h 38m
including layover
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from$332
9:35 am — 9:15 pm
9:35 am — 11:08 am UA5186 United Airlines
Ontario — San Francisco
2h 2m stop
1:10 pm — 4:51 pm UA1013 United Airlines
San Francisco — Denver
59m stop
5:50 pm — 9:15 pm UA5941 United Airlines
Denver — San Antonio
9h 40m
including layover
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from$313
9:35 am — 8:48 pm
9:35 am — 11:08 am UA5186 United Airlines
Ontario — San Francisco
1h 57m stop
1:05 pm — 6:45 pm UA1615 United Airlines
San Francisco — Houston
1h 4m stop
7:49 pm — 8:48 pm UA530 United Airlines
Houston — San Antonio
9h 13m
including layover
Find flight
from$330
*Departure and arrival times are local. Last updated on 05/08/2024

Flight Information

There are 81 flight by United Airlines from Ontario to San Antonio every week with departures from Ontario Int. and International Heliport. All flights arrive at San Antonio, Kelly AFB, Stinson Municipal, Randolph AFB, Martindale AAF.

Departures start from 11:49 am to 9:35 am. Nonstop flight is 5h 15m. The time difference between Ontario and San Antonio is 2h.

  • The fastest flight 5h 15m
  • Average flight time 12h 53m
  • The earliest flight 11:49 am
  • The latest flight 9:35 am
  • Distance 1164 ml

The cheapest flight by United Airlines that our users were able to find is $108. This airfare is economy class on one-way UA295 flight for October 3, 2018 leaving Ontario Int. in Ontario at 6:05 am, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 1 airline carriers between Ontario and San Antonio. Please review schedules and prices from the most popular airlines to find the best airfare deals from Ontario to San Antonio.

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.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • 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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