Cheap Flights from Ontario, CA to Austin, TX from $48

One way Round trip

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On Cheapflightsplus.com you will find 101 connecting flights from Ontario to Austin. You can compare airfare deals from 5 airlines and multiple travel sites from $48, 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: $48 (one-way), $82 (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 $48. Take a look at the list of flights with layovers from Ontario to Austin from $48. There’re no direct flights. The fastest connecting flight – 5h 1m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $48 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 $57 Find flight	07:45 Ontario Ontario Int.	15:14 Austin Austin-Bergstrom Intl	5h 29m layover 0h 48m - Denver	Frontier Airlines	F91262 F91816
from $76 Find flight	00:49 Ontario Ontario Int.	08:14 Austin Austin-Bergstrom Intl	5h 25m layover 0h 51m - Denver	Frontier Airlines	F91500 F91816
from $82 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 $163 Find flight	06:00 Ontario Ontario Int.	16:43 Austin Austin-Bergstrom Intl	8h 43m layover 1h 36m - Seattle	Alaska Airlines	AS1091 AS502
from $177 Find flight	07:00 Ontario Ontario Int.	18:18 Austin Austin-Bergstrom Intl	9h 18m layover 3h 2m - Portland	Alaska Airlines	AS1058 AS540
from $191 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 $191 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 $191 Find flight	17:44 Ontario Ontario Int.	14:50+1 день Austin Austin-Bergstrom Intl	19h 6m layover 0h 57m - Portland 10h 35m - Seattle	Alaska Airlines	AS3498 AS2113 AS318
from $196 Find flight	17:44 Ontario Ontario Int.	16:43+1 день Austin Austin-Bergstrom Intl	20h 59m layover 0h 57m - Portland 12h 30m - Seattle	Alaska Airlines	AS3498 AS2113 AS502
from $196 Find flight	16:06 Ontario Ontario Int.	17:59+1 день Austin Austin-Bergstrom Intl	23h 53m layover 12h 43m - Seattle 3h 34m - Portland	Alaska Airlines	AS1119 AS2180 AS540
from $196 Find flight	11:14 Ontario Ontario Int.	15:08+1 день Austin Austin-Bergstrom Intl	25h 54m layover 2h 52m - Portland 15h 26m - Seattle	Alaska Airlines	AS3312 AS2102 AS318
from $196 Find flight	11:14 Ontario Ontario Int.	15:08+1 день Austin Austin-Bergstrom Intl	25h 54m layover 1h 22m - Portland 16h 56m - Seattle	Alaska Airlines	AS3312 AS2355 AS318
from $196 Find flight	11:14 Ontario Ontario Int.	16:43+1 день Austin Austin-Bergstrom Intl	27h 29m layover 1h 22m - Portland 18h 31m - Seattle	Alaska Airlines	AS3312 AS2355 AS502
from $196 Find flight	11:14 Ontario Ontario Int.	16:43+1 день Austin Austin-Bergstrom Intl	27h 29m layover 2h 52m - Portland 17h 1m - Seattle	Alaska Airlines	AS3312 AS2102 AS502
from $196 Find flight	17:44 Ontario Ontario Int.	23:59+1 день Austin Austin-Bergstrom Intl	28h 15m layover 0h 57m - Portland 19h 52m - Seattle	Alaska Airlines	AS3498 AS2113 AS594

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on January 22, 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$76
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$219
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$239
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$163
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$231
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$177
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$57
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$48
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$265
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$239
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$239
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$267
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$191
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$191
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$252
19:14 — 16:53 +1 day	19:14 — 22:00 AS1399 Alaska Airlines Ontario — Seattle 12h 40m stop 10:40 — 16:53 AS502 Alaska Airlines Seattle — Austin	19h 39m including layover	Find flight from$252
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$82
11:14 — 15:08 +1 day	11:14 — 13:38 AS3312 Alaska Airlines Ontario — Portland 2h 52m stop 16:30 — 17:29 AS2102 Alaska Airlines Portland — Seattle 15h 26m stop 08:55 — 15:08 AS318 Alaska Airlines Seattle — Austin	25h 54m including layover	Find flight from$196
11:14 — 15:08 +1 day	11:14 — 13:38 AS3312 Alaska Airlines Ontario — Portland 1h 22m stop 15:00 — 15:59 AS2355 Alaska Airlines Portland — Seattle 16h 56m stop 08:55 — 15:08 AS318 Alaska Airlines Seattle — Austin	25h 54m including layover	Find flight from$196
17:44 — 14:50 +1 day	17:44 — 20:10 AS3498 Alaska Airlines Ontario — Portland 57m stop 21:07 — 22:00 AS2113 Alaska Airlines Portland — Seattle 10h 35m stop 08:35 — 14:50 AS318 Alaska Airlines Seattle — Austin	19h 6m including layover	Find flight from$191
17:44 — 16:43 +1 day	17:44 — 20:10 AS3498 Alaska Airlines Ontario — Portland 57m stop 21:07 — 22:00 AS2113 Alaska Airlines Portland — Seattle 12h 30m stop 10:30 — 16:43 AS502 Alaska Airlines Seattle — Austin	20h 59m including layover	Find flight from$196

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

*Departure and arrival times - local. Updated on January 22, 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 22:30 from 2 Ontario airports and arrive 00:49 to 22:30 to 3 Austin airports. Average flight time is 18h 45m.

The fastest flight 5h 1m
Average flight time 18h 45m
The earliest flight 00:49
The latest flight 22:30
Distance 1195 ml

The cheapest months to travel to Austin are february (from 48 $), november (from 55 $), december (from 55 $).

The most expensive months are january (from 57 $), december (from 55 $), november (from 55 $).

What is the lowest airfare Ontario to Austin?

The cheapest plane ticket found by our users is $48. 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

$48

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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 - 56 departures per week at the price of from $ 163 . And the most expensive tickets are offered by Volaris airline - from $ 669.

Direct flights

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

Connecting Flights

There are 101 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 $48.

AS - Alaska Airlines

from $163

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F9 - Frontier Airlines

from $48

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UA - United Airlines

from $219

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AV - Avianca

from $660

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Y4 - Volaris

from $432

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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 $48
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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 — Tampa

from $54

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Ontario — Pittsburgh

from $70

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Ontario — Indianapolis

from $62

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Ontario — Cleveland

from $63

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Ontario — Norfolk

from $79

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Ontario — Tucson

from $80

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Ontario — New Orleans

from $63

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Ontario — San Jose

from $61

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Ontario — Honolulu

from $63

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Ontario — Austin

from $67

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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 — San Jose

from $61

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Ontario — Guadalajara

from $70

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Ontario — Mexico City

from $58

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Ontario — Cancun

from $74

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Ontario — Toronto

from $70

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Ontario — London

from $62

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Ontario — Vancouver

from $61

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How to book a plane ticket yourself?

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