Cheap Flights from Ontario, CA to Austin, TX from $97

Cheap Flights Flights Schedule

On Cheapflightsplus.com you will find 55 connecting flights from Ontario to Austin. You can compare airfare deals from 5 airlines and multiple travel sites from $97, 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.

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 01:09 to 23:53 from 2 Ontario airports and arrive 01:09 to 23:53 to 3 Austin airports. Average flight time is 16h 4m.

  • The fastest flight 5h 4m
  • Average flight time 16h 4m
  • The earliest flight 01:09
  • The latest flight 23:53
  • Distance 1195 ml

Best Flights from Ontario to Austin Today

Take a look at the list of non stop flights and flights with layovers from Ontario to Austin with the lowest price of $97. Take a look at the list of flights with layovers from Ontario to Austin from $97. There’re no direct flights. The fastest connecting flight – 5h 4m.
Price Departure Arrival Flight Duration Airline Flight
from $97
Find flight
11:39
Ontario
Ontario Int.
 00:04+1 день
Austin
Austin-Bergstrom Intl
 10h 25m
layover
3h 33m - Seattle
 Hawaiian Airlines
HA6289
HA6604
from $98
Find flight
06:00
Ontario
Ontario Int.
 13:26
Austin
Austin-Bergstrom Intl
 5h 26m
layover
1h 23m - Las Vegas
 Frontier Airlines
F92232
F94632
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on October 16, 2025

The cheapest months to travel to Austin are october (from 97 $), september (from 98 $), july (from 109 $).

The most expensive months are august (from 113 $), july (from 109 $), september (from 98 $).

What is the lowest airfare Ontario to Austin?

The cheapest plane ticket found by our users is $97. This airfare is for economy class on one-way HA6289 flight by Hawaiian Airlines for September 21, 2025 which leaves Ontario Int. in Ontario at 11:39 am and arrives at Austin Austin-Bergstrom Intl at 00:04.

Economy class
$97
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Business class
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First class
?
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Flight Schedule Ontario (California) to Austin (Texas)

05:10 — 13:24
6h 14m flight time
Find flight
from$165
05:10 — 08:27 Ontario — Denver
UA1479 United Airlines
1h 43m stop
10:10 — 13:24 Denver — Austin
UA1026 United Airlines
06:00 — 13:26
5h 26m flight time
Find flight
from$98
08:00 — 09:12 Ontario — Las Vegas
F92232 Frontier Airlines
1h 23m stop
10:00 — 14:54 Las Vegas — Austin
F94632 Frontier Airlines
06:00 — 18:53
10h 53m flight time
Find flight
from$101
06:00 — 08:45 Ontario — Seattle
HA6288 Hawaiian Airlines
3h 35m stop
12:20 — 18:36 Seattle — Austin
HA6530 Hawaiian Airlines
06:00 — 12:10+1day
28h 10m flight time
Find flight
from$109
06:00 — 07:13 Ontario — Las Vegas
F92232 Frontier Airlines
24h 9m stop
08:10 — 13:04 Las Vegas — Austin
F93646 Frontier Airlines
06:00 — 18:53
10h 53m flight time
Find flight
from$136
06:00 — 08:42 Ontario — Seattle
AS1091 Alaska Airlines
3h 35m stop
12:18 — 18:30 Seattle — Austin
AS352 Alaska Airlines
06:00 — 16:51
8h 51m flight time
Find flight
from$165
06:00 — 07:19 Ontario — San Francisco
UA2647 United Airlines
3h 56m stop
11:10 — 16:46 San Francisco — Austin
UA391 United Airlines
06:04 — 13:08
5h 4m flight time
Find flight
from$163
06:04 — 11:13 Ontario — Houston
UA1936 United Airlines
54m stop
12:07 — 13:08 Houston — Austin
UA1859 United Airlines
06:04 — 15:23
7h 19m flight time
Find flight
from$163
06:00 — 11:15 Ontario — Houston
UA1936 United Airlines
3h 7m stop
14:20 — 15:21 Houston — Austin
UA2483 United Airlines
11:39 — 00:04+1day
10h 25m flight time
Find flight
from$97
12:00 — 14:38 Ontario — Seattle
HA6289 Hawaiian Airlines
3h 33m stop
17:56 — 00:05 Seattle — Austin
HA6604 Hawaiian Airlines
11:39 — 00:04+1day
10h 25m flight time
Find flight
from$106
12:00 — 14:38 Ontario — Seattle
AS1111 Alaska Airlines
3h 33m stop
17:56 — 00:05 Seattle — Austin
AS372 Alaska Airlines
13:15 — 20:50
5h 35m flight time
Find flight
from$165
13:15 — 16:32 Ontario — Denver
UA1697 United Airlines
1h 5m stop
17:37 — 20:50 Denver — Austin
UA1942 United Airlines
13:42 — 23:59
8h 17m flight time
Find flight
from$161
13:19 — 14:46 Ontario — San Francisco
UA2332 United Airlines
3h 21m stop
18:45 — 00:26 San Francisco — Austin
UA2332 United Airlines
15:43 — 23:32
5h 49m flight time
Find flight
from$119
17:21 — 20:44 Ontario — Denver
F92908 Frontier Airlines
1h 10m stop
20:05 — 23:20 Denver — Austin
F92890 Frontier Airlines
15:43 — 20:28+1day
26h 45m flight time
Find flight
from$183
15:43 — 19:08 Ontario — Denver
F92908 Frontier Airlines
22h 7m stop
17:15 — 20:28 Denver — Austin
F91816 Frontier Airlines
19:30 — 12:10+1day
14h 40m flight time
Find flight
from$118
19:22 — 20:35 Ontario — Las Vegas
F94758 Frontier Airlines
10h 38m stop
09:32 — 14:30 Las Vegas — Austin
F93646 Frontier Airlines
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 and arrival times - local. Updated on October 16, 2025.

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 - 9 departures per week at the price of from $ 106 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 708.

Direct flights

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

Connecting Flights

There are 55 flights with layovers on the route. The fastest connecting flight is UA1936 by United Airlines takes 5h 4m and the cheapest is HA6289 by Hawaiian Airlines for $97.

  • AS - Alaska Airlines
    from $106
    Find
  • F9 - Frontier Airlines
    from $98
    Find
  • HA - Hawaiian Airlines
    from $97
    Find
  • Y4 - Volaris
    from $400
    Find
  • UA - United Airlines
    from $161
    Find
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 $97
    Find
  • International Heliport-JIO
    Find

Austin airports

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

Airplanes

There are flights to Austin from Ontario by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Ontario

You may also consider searching for discounted plane tickets to some other popular places from Ontario within United States.

Top International Destinations from Ontario

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.

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.

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