Cheap Flights from Ontario, CA to Austin, TX from $61

One way Round trip

Adults

Children under 12

Infants under 2 without place

Economy

Business

First

done

Page navigation

Price Calendar Cheap Flights Flights Schedule

On Cheapflightsplus.com you will find 265 connecting flights from Ontario to Austin. You can compare airfare deals from 5 airlines and multiple travel sites from $61, 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: $61 (one-way), $105 (round-trip).

Direct flights

Check to choose departure date Check to choose departure date

Check prices for return flight

Find flights

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 $61. Take a look at the list of flights with layovers from Ontario to Austin from $61. There’re no direct flights. The fastest connecting flight – 4h 56m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $61 Find flight	08:04 Ontario Ontario Int.	15:05 Austin Austin-Bergstrom Intl	5h 1m layover 1h 1m - Las Vegas	Frontier Airlines	F91358 F93648
from $71 Find flight	08:04 Ontario Ontario Int.	15:05 Austin Austin-Bergstrom Intl	5h 1m layover 1h 5m - Las Vegas	Frontier Airlines	F94758 F93646
from $71 Find flight	00:49 Ontario Ontario Int.	08:14 Austin Austin-Bergstrom Intl	5h 25m layover 0h 51m - Denver	Frontier Airlines	F91500 F91816
from $71 Find flight	07:45 Ontario Ontario Int.	15:14 Austin Austin-Bergstrom Intl	5h 29m layover 0h 48m - Denver	Frontier Airlines	F91262 F91816
from $71 Find flight	18:44 Ontario Ontario Int.	11:45+1 день Austin Austin-Bergstrom Intl	15h 1m layover 11h 2m - Las Vegas	Frontier Airlines	F94206 F94632
from $71 Find flight	22:39 Ontario Ontario Int.	16:19+1 день Austin Austin-Bergstrom Intl	15h 40m layover 11h 31m - Las Vegas	Frontier Airlines	F94206 F93646
from $83 Find flight	20:27 Ontario Ontario Int.	08:14+1 день Austin Austin-Bergstrom Intl	9h 47m layover 5h 2m - Denver	Frontier Airlines	F92908 F91816
from $100 Find flight	13:47 Ontario Ontario Int.	20:43 Austin Austin-Bergstrom Intl	4h 56m layover 0h 56m - Las Vegas	Frontier Airlines	F92232 F93646
from $145 Find flight	11:20 Ontario Ontario Int.	19:12 Austin Austin-Bergstrom Intl	5h 52m layover 1h 24m - Denver	Frontier Airlines	F91262 F92890
from $151 Find flight	06:30 Ontario Ontario Int.	19:12 Austin Austin-Bergstrom Intl	10h 42m layover 6h 9m - Denver	Frontier Airlines	F91500 F92890
from $175 Find flight	07:00 Ontario Ontario Int.	17:44 Austin Austin-Bergstrom Intl	8h 44m layover 2h 29m - Portland	Alaska Airlines	AS123 AS540
from $208 Find flight	06:00 Ontario Ontario Int.	16:43 Austin Austin-Bergstrom Intl	8h 43m layover 1h 36m - Seattle	Alaska Airlines	AS1091 AS502
from $227 Find flight	07:00 Ontario Ontario Int.	18:18 Austin Austin-Bergstrom Intl	9h 18m layover 3h 2m - Portland	Alaska Airlines	AS1058 AS540
from $244 Find flight	16:20 Ontario Ontario Int.	14:42+1 день Austin Austin-Bergstrom Intl	20h 22m layover 13h 22m - Seattle	Alaska Airlines	AS1119 AS318
from $244 Find flight	16:20 Ontario Ontario Int.	16:53+1 день Austin Austin-Bergstrom Intl	22h 33m layover 15h 30m - Seattle	Alaska Airlines	AS1119 AS502
from $245 Find flight	05:05 Ontario Ontario Int.	23:58 Austin Austin-Bergstrom Intl	16h 53m layover 12h 20m - Denver	United Airlines	UA2357 UA1317

Show all tickets

*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 09, 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
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$71
05:05 — 23:58	05:05 — 08:25 UA2357 United Airlines Ontario — Denver 12h 20m stop 20:45 — 23:58 UA1317 United Airlines Denver — Austin	16h 53m including layover	Find flight from$245
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$280
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$208
06:30 — 19:12	06:30 — 09:54 F91500 Frontier Airlines Ontario — Denver 6h 9m stop 16:03 — 19:12 F92890 Frontier Airlines Denver — Austin	10h 42m including layover	Find flight from$151
07:00 — 17:44	07:00 — 09:22 AS123 Alaska Airlines Ontario — Portland 2h 29m stop 11:59 — 17:44 AS540 Alaska Airlines Portland — Austin	8h 44m including layover	Find flight from$175
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$71
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$61
08:04 — 15:05	08:04 — 09:12 F94758 Frontier Airlines Ontario — Las Vegas 1h 5m stop 15:57 — 20:43 F93646 Frontier Airlines Las Vegas — Austin	5h 1m including layover	Find flight from$71
09:26 — 11:45 +1 day	09:26 — 10:33 F91358 Frontier Airlines Ontario — Las Vegas 20h 22m stop 06:55 — 11:45 F94632 Frontier Airlines Las Vegas — Austin	24h 19m including layover	Find flight from$70
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$339
10:48 — 23:59	10:48 — 13:41 AS1165 Alaska Airlines Ontario — Seattle 4h 13m stop 17:54 — 23:59 AS594 Alaska Airlines Seattle — Austin	11h 11m including layover	Find flight from$328
11:20 — 19:12	11:20 — 14:39 F91262 Frontier Airlines Ontario — Denver 1h 24m stop 16:03 — 19:12 F92890 Frontier Airlines Denver — Austin	5h 52m including layover	Find flight from$145
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$289
12:38 — 20:43	13:17 — 14:29 F91358 Frontier Airlines Ontario — Las Vegas 2h 13m stop 17:03 — 21:52 F93646 Frontier Airlines Las Vegas — Austin	6h 5m including layover	Find flight from$219
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$306
13:47 — 20:43	13:47 — 15:01 F92232 Frontier Airlines Ontario — Las Vegas 56m stop 15:57 — 20:43 F93646 Frontier Airlines Las Vegas — Austin	4h 56m including layover	Find flight from$100
15:20 — 23:59	15:20 — 16:53 UA5921 United Airlines Ontario — San Francisco 1h 34m stop 18:27 — 23:59 UA2077 United Airlines San Francisco — Austin	6h 39m including layover	Find flight from$338
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$342
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$244
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$244
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$289
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$348
18:13 — 19:12 +1 day	18:13 — 21:35 F92908 Frontier Airlines Ontario — Denver 18h 28m stop 16:03 — 19:12 F92890 Frontier Airlines Denver — Austin	22h 59m including layover	Find flight from$154
18:44 — 11:45 +1 day	18:44 — 19:53 F94206 Frontier Airlines Ontario — Las Vegas 11h 2m stop 06:55 — 11:45 F94632 Frontier Airlines Las Vegas — Austin	15h 1m including layover	Find flight from$71
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$322
19:44 — 17:44 +1 day	19:44 — 22:08 AS1066 Alaska Airlines Ontario — Portland 13h 46m stop 11:54 — 17:44 AS540 Alaska Airlines Portland — Austin	20h including layover	Find flight from$314
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$83
20:55 — 18:59 +1 day	20:55 — 23:44 AS1007 Alaska Airlines Ontario — Seattle 13h 9m stop 12:53 — 18:59 AS318 Alaska Airlines Seattle — Austin	20h 4m including layover	Find flight from$339
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$71

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

*Departure and arrival times - local. Updated on May 9, 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 00:49 to 22:39 from 2 Ontario airports and arrive 00:49 to 22:39 to 3 Austin airports. Average flight time is 15h 55m.

The fastest flight 4h 56m
Average flight time 15h 55m
The earliest flight 00:49
The latest flight 22:39
Distance 1195 ml

The cheapest months to travel to Austin are february (from 61 $), november (from 70 $), december (from 71 $).

The most expensive months are january (from 73 $), december (from 71 $), november (from 70 $).

What is the lowest airfare Ontario to Austin?

The cheapest plane ticket found by our users is $61. 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

$61

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 - 112 departures per week at the price of from $ 175 . And the most expensive tickets are offered by Volaris airline - from $ 1175.

Direct flights

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

Connecting Flights

There are 265 flights with layovers on the route. The fastest connecting flight is F92232 by Frontier Airlines takes 4h 56m and the cheapest is F91358 by Frontier Airlines for $61.

AS - Alaska Airlines

from $175

Find
F9 - Frontier Airlines

from $61

Find
AV - Avianca

from $846

Find
Y4 - Volaris

from $554

Find
UA - United Airlines

from $245

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 $61
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.

Ontario — Phoenix

from $56

Find
Ontario — Denver

from $65

Find
Ontario — Austin

from $67

Find
Ontario — Miami

from $62

Find
Ontario — Tucson

from $80

Find
Ontario — Las Vegas

from $63

Find
Ontario — Seattle

from $65

Find
Ontario — Boise

from $70

Find
Ontario — Chicago

from $78

Find
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

Find
Ontario — San Jose

from $61

Find
Ontario — Guadalajara

from $70

Find
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.
To find a plane ticket, please select dates.