Cheap Flights from Ontario, CA to Austin, TX from $95

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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 $95, 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: $95 (one-way), $163 (round-trip).

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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 $95. Take a look at the list of flights with layovers from Ontario to Austin from $95. There’re no direct flights. The fastest connecting flight – 5h 4m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $95 Find flight	06:00 Ontario Ontario Int.	13:26 Austin Austin-Bergstrom Intl	5h 26m layover 1h 23m - Las Vegas	Frontier Airlines	F92232 F94632
from $95 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

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 15, 2025

Flight Schedule Ontario (California) to Austin (Texas)

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	Flight Details	Flight Duration	Price
06:00 — 13:26	08:00 — 09:12 F92232 Frontier Airlines Ontario — Las Vegas 1h 23m stop 10:00 — 14:54 F94632 Frontier Airlines Las Vegas — Austin	5h 26m including layover	Find flight from$95
06:00 — 18:53	06:00 — 08:45 HA6288 Hawaiian Airlines Ontario — Seattle 3h 35m stop 12:20 — 18:36 HA6530 Hawaiian Airlines Seattle — Austin	10h 53m including layover	Find flight from$99
06:00 — 00:04 +1 day	06:00 — 08:42 HA6288 Hawaiian Airlines Ontario — Seattle 9h 10m stop 17:56 — 00:05 HA6604 Hawaiian Airlines Seattle — Austin	16h 4m including layover	Find flight from$189
06:00 — 00:04 +1 day	06:00 — 08:42 AS1091 Alaska Airlines Ontario — Seattle 9h 10m stop 17:56 — 00:05 AS372 Alaska Airlines Seattle — Austin	16h 4m including layover	Find flight from$198
06:04 — 13:08	06:04 — 11:13 UA1936 United Airlines Ontario — Houston 54m stop 12:07 — 13:08 UA1859 United Airlines Houston — Austin	5h 4m including layover	Find flight from$160
06:04 — 15:23	06:00 — 11:15 UA1936 United Airlines Ontario — Houston 3h 7m stop 14:20 — 15:21 UA2483 United Airlines Houston — Austin	7h 19m including layover	Find flight from$160
11:39 — 00:04 +1 day	12:00 — 14:38 HA6289 Hawaiian Airlines Ontario — Seattle 3h 33m stop 17:56 — 00:05 HA6604 Hawaiian Airlines Seattle — Austin	10h 25m including layover	Find flight from$95
11:39 — 00:04 +1 day	12:00 — 14:38 AS1111 Alaska Airlines Ontario — Seattle 3h 33m stop 17:56 — 00:05 AS372 Alaska Airlines Seattle — Austin	10h 25m including layover	Find flight from$104
15:43 — 20:28 +1 day	15:43 — 19:08 F92908 Frontier Airlines Ontario — Denver 22h 7m stop 17:15 — 20:28 F91816 Frontier Airlines Denver — Austin	26h 45m including layover	Find flight from$180
18:38 — 11:29 +1 day	18:38 — 21:55 UA368 United Airlines Ontario — Denver 10h 20m stop 08:15 — 11:29 UA456 United Airlines Denver — Austin	14h 51m including layover	Find flight from$239
19:30 — 12:10 +1 day	19:22 — 20:35 F94758 Frontier Airlines Ontario — Las Vegas 10h 38m stop 09:32 — 14:30 F93646 Frontier Airlines Las Vegas — Austin	14h 40m including layover	Find flight from$180
19:40 — 15:18 +1 day	18:58 — 21:37 AS1087 Alaska Airlines Ontario — Seattle 10h 37m stop 09:03 — 15:11 AS502 Alaska Airlines Seattle — Austin	17h 38m including layover	Find flight from$229
20:59 — 20:28 +1 day	20:59 — 00:26 F91262 Frontier Airlines Ontario — Denver 16h 49m stop 17:15 — 20:28 F91816 Frontier Airlines Denver — Austin	21h 29m including layover	Find flight from$180
20:59 — 23:32 +1 day	20:59 — 00:26 F91262 Frontier Airlines Ontario — Denver 19h 52m stop 20:18 — 23:32 F92890 Frontier Airlines Denver — Austin	24h 33m including layover	Find flight from$180
22:28 — 12:10 +1 day	22:28 — 23:44 F94206 Frontier Airlines Ontario — Las Vegas 7h 36m stop 07:20 — 12:10 F93646 Frontier Airlines Las Vegas — Austin	11h 42m including layover	Find flight from$180

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

*Departure and arrival times - local. Updated on September 15, 2025

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

The cheapest months to travel to Austin are october (from 95 $), september (from 95 $), july (from 106 $).

The most expensive months are august (from 110 $), july (from 106 $), september (from 95 $).

What is the lowest airfare Ontario to Austin?

The cheapest plane ticket found by our users is $95. This airfare is for economy class on one-way HA6289 flight by Hawaiian Airlines for October 7, 2025 which leaves Ontario Int. in Ontario at 11:39 am and arrives at Austin Austin-Bergstrom Intl at 00:04.

Economy class

$95

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Business class

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First class

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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 $ 104 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 693.

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 $95.

AS - Alaska Airlines

from $104

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F9 - Frontier Airlines

from $95

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HA - Hawaiian Airlines

from $95

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Y4 - Volaris

from $391

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UA - United Airlines

from $160

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Airports

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

Ontario airports

Ontario Int.-ONT

from $95
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International Heliport-JIO

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Austin airports

Austin-Bergstrom Intl-AUS

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Austin-ASQ

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Camp Maybry AHP-MMR

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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.

Ontario — Phoenix

from $56

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Ontario — Denver

from $65

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Ontario — Austin

from $67

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Ontario — Miami

from $62

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Ontario — Tucson

from $80

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Ontario — Las Vegas

from $63

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Ontario — Seattle

from $65

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Ontario — Boise

from $70

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Ontario — Chicago

from $78

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Ontario — Philadelphia

from $62

Find

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.

Ontario — London

from $62

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Ontario — San Jose

from $61

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Ontario — Guadalajara

from $70

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Ontario — Cancun

from $74

Find

How to book a plane 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.
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