Cheap Flights from Ontario, CA to Austin, TX from $51

Return flight: Austin – Ontario

On Cheapflightsplus.com you will find 157 connecting flights from Ontario to Austin. You can compare airfare deals from 5 airlines and multiple travel sites from $51, book and save on cheap plane tickets and last minute offers. Also check out ONT-AUS flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Ontario to Austin 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: $51 (one-way), $87 (round-trip).
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights
Full flight schedule will help you in detecting at what time planes fly from Ontario to Austin. 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 Arrival Flight Details Flight Duration Price
00:49 — 08:14
06:30 — 09:54 F91500 Frontier Airlines
Ontario — Denver
51m stop
06:20 — 09:35 F91816 Frontier Airlines
Denver — Austin
5h 25m
including layover
Find flight
from$81
05:10 — 23:58
05:10 — 08:29 UA2317 United Airlines
Ontario — Denver
12h 14m stop
20:43 — 23:58 UA1317 United Airlines
Denver — Austin
16h 48m
including layover
Find flight
from$232
05:10 — 16:48
05:10 — 08:29 UA2317 United Airlines
Ontario — Denver
5h 5m stop
13:34 — 16:48 UA789 United Airlines
Denver — Austin
9h 38m
including layover
Find flight
from$253
06:00 — 16:43
06:00 — 08:54 AS1091 Alaska Airlines
Ontario — Seattle
1h 36m stop
10:30 — 16:43 AS502 Alaska Airlines
Seattle — Austin
8h 43m
including layover
Find flight
from$172
06:00 — 23:59
06:00 — 08:49 AS1091 Alaska Airlines
Ontario — Seattle
9h 7m stop
17:59 — 23:59 AS594 Alaska Airlines
Seattle — Austin
15h 59m
including layover
Find flight
from$244
07:00 — 18:18
07:00 — 09:26 AS1058 Alaska Airlines
Ontario — Portland
3h 2m stop
12:28 — 18:18 AS540 Alaska Airlines
Portland — Austin
9h 18m
including layover
Find flight
from$187
07:45 — 15:14
10:55 — 14:18 F91262 Frontier Airlines
Ontario — Denver
48m stop
06:20 — 09:35 F91816 Frontier Airlines
Denver — Austin
5h 29m
including layover
Find flight
from$61
08:04 — 15:05
08:04 — 09:16 F91358 Frontier Airlines
Ontario — Las Vegas
1h 1m stop
10:17 — 15:05 F93648 Frontier Airlines
Las Vegas — Austin
5h 1m
including layover
Find flight
from$51
10:39 — 18:28
10:35 — 12:08 UA4639 United Airlines
Ontario — San Francisco
35m stop
13:15 — 18:46 UA1116 United Airlines
San Francisco — Austin
5h 49m
including layover
Find flight
from$280
10:40 — 19:59
10:40 — 13:06 AS171 Alaska Airlines
Ontario — Portland
1h 5m stop
14:11 — 19:59 AS540 Alaska Airlines
Portland — Austin
7h 19m
including layover
Find flight
from$315
11:57 — 14:42
+1 day
11:33 — 14:24 AS1255 Alaska Airlines
Ontario — Seattle
17h 48m stop
08:35 — 14:50 AS318 Alaska Airlines
Seattle — Austin
24h 45m
including layover
Find flight
from$239
11:57 — 23:59
11:29 — 14:18 AS1255 Alaska Airlines
Ontario — Seattle
3h 13m stop
17:59 — 23:59 AS594 Alaska Airlines
Seattle — Austin
10h 2m
including layover
Find flight
from$263
13:45 — 11:00
+1 day
13:45 — 17:04 UA2278 United Airlines
Ontario — Denver
14h 41m stop
07:45 — 11:00 UA456 United Airlines
Denver — Austin
19h 15m
including layover
Find flight
from$253
13:45 — 13:17
+1 day
13:45 — 17:04 UA2278 United Airlines
Ontario — Denver
16h 59m stop
10:03 — 13:17 UA1026 United Airlines
Denver — Austin
21h 32m
including layover
Find flight
from$253
15:30 — 23:59
15:30 — 17:14 UA5660 United Airlines
Ontario — San Francisco
1h 16m stop
18:30 — 23:59 UA2077 United Airlines
San Francisco — Austin
6h 29m
including layover
Find flight
from$283
16:20 — 14:42
+1 day
16:06 — 18:59 AS1119 Alaska Airlines
Ontario — Seattle
13h 22m stop
08:55 — 15:08 AS318 Alaska Airlines
Seattle — Austin
20h 22m
including layover
Find flight
from$202
16:20 — 16:53
+1 day
13:53 — 16:46 AS1119 Alaska Airlines
Ontario — Seattle
15h 30m stop
09:10 — 15:16 AS502 Alaska Airlines
Seattle — Austin
22h 33m
including layover
Find flight
from$202
17:44 — 17:59
+1 day
17:44 — 20:10 AS3498 Alaska Airlines
Ontario — Portland
15h 58m stop
12:08 — 17:59 AS540 Alaska Airlines
Portland — Austin
22h 15m
including layover
Find flight
from$239
17:44 — 18:18
+1 day
17:44 — 20:08 AS2202 Alaska Airlines
Ontario — Portland
16h 20m stop
12:28 — 18:18 AS540 Alaska Airlines
Portland — Austin
22h 34m
including layover
Find flight
from$288
18:03 — 05:53
+1 day
18:03 — 21:00 AS2074 Alaska Airlines
Ontario — Seattle
2h 50m stop
23:50 — 05:53 AS594 Alaska Airlines
Seattle — Austin
9h 50m
including layover
Find flight
from$549
18:50 — 23:55
+1 day
18:50 — 20:31 UA5429 United Airlines
Ontario — San Francisco
21h 54m stop
18:25 — 23:55 UA2077 United Airlines
San Francisco — Austin
27h 5m
including layover
Find flight
from$545
19:14 — 14:42
+1 day
19:14 — 22:00 AS1399 Alaska Airlines
Ontario — Seattle
10h 32m stop
08:32 — 14:42 AS318 Alaska Airlines
Seattle — Austin
17h 28m
including layover
Find flight
from$266
19:14 — 23:59
+1 day
19:14 — 22:00 AS1399 Alaska Airlines
Ontario — Seattle
19h 57m stop
17:57 — 23:59 AS594 Alaska Airlines
Seattle — Austin
26h 45m
including layover
Find flight
from$266
20:27 — 08:14
+1 day
16:08 — 19:26 F92908 Frontier Airlines
Ontario — Denver
5h 2m stop
12:59 — 16:09 F91816 Frontier Airlines
Denver — Austin
9h 47m
including layover
Find flight
from$86
22:39 — 16:19
+1 day
18:44 — 19:53 F94206 Frontier Airlines
Ontario — Las Vegas
11h 31m stop
14:00 — 18:49 F93646 Frontier Airlines
Las Vegas — Austin
15h 40m
including layover
Find flight
from$73
*Departure and arrival times - local. Updated on December 22, 2024

Flight Information

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

Distance between Ontario and Austin is 1922 miles. Time difference between the cities is 2h. Airplanes depart 00:49 to 22:39 from 2 Ontario airports and arrive 00:49 to 22:39 to 3 Austin airports. Average flight time is 17h 28m.

  • The fastest flight 5h 1m
  • Average flight time 17h 28m
  • The earliest flight 00:49
  • The latest flight 22:39
  • Distance 1195 ml

The cheapest months to travel to Austin are february (from 51 $), november (from 58 $), december (from 59 $).

The most expensive months are january (from 61 $), december (from 59 $), november (from 58 $).

What is the lowest airfare Ontario to Austin?

The cheapest plane ticket found by our users is $51. This airfare is for economy class on one-way F91358 flight by Frontier Airlines for February 1, 2025 which leaves Ontario Int. in Ontario at 08:04 am and arrives at Austin Austin-Bergstrom Intl at 15:05.

Economy class
$51
Find
Business class
?
Find
First class
?
Find

Popular Airlines on the Route

The flight Ontario — Austin is served by 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 80 departures per week at the price of from $ 172 . And the most expensive tickets are offered by Volaris airline - from $ 970.

Direct flights

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

Connecting Flights

There are 157 flights with layovers on the route. The fastest connecting flight is F91358 by Frontier Airlines takes 5h 1m and the cheapest is F91358 by Frontier Airlines for $51.

See more connecting flights

Airports

You can fly from Ontario to Austin from 2 airports (Ontario Int., International Heliport).

Ontario airports

  • Ontario Int.-ONT
    from $51
    Find
  • International Heliport-JIO
    Find

Austin airports

  • Austin-Bergstrom Intl-AUS
    Find
  • Austin-ASQ
    Find
  • Camp Maybry AHP-MMR
    Find

How to book a plane 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 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.

    To find a plane ticket, please select dates.

Back