Cheap Flights from Ontario, CA to Austin, TX from $58

One way Round trip

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On Cheapflightsplus.com you will find 38 connecting flights from Ontario to Austin. You can compare airfare deals from 4 airlines and multiple travel sites from $58, 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: $58 (one-way), $99 (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 $58. Take a look at the list of flights with layovers from Ontario to Austin from $58. There’re no direct flights. The fastest connecting flight – 5h 25m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $58 Find flight	00:49 Ontario Ontario Int.	08:14 Austin Austin-Bergstrom Intl	5h 25m layover 0h 51m - Denver	Frontier Airlines	F91500 F91816
from $68 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 $186 Find flight	07:00 Ontario Ontario Int.	18:18 Austin Austin-Bergstrom Intl	9h 18m layover 3h 2m - Portland	Alaska Airlines	AS1058 AS540
from $201 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 $201 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 $217 Find flight	06:00 Ontario Ontario Int.	23:59 Austin Austin-Bergstrom Intl	15h 59m layover 9h 7m - Seattle	Alaska Airlines	AS1091 AS594
from $238 Find flight	11:57 Ontario Ontario Int.	14:42+1 день Austin Austin-Bergstrom Intl	24h 45m layover 17h 48m - Seattle	Alaska Airlines	AS1255 AS318
from $261 Find flight	11:57 Ontario Ontario Int.	23:59 Austin Austin-Bergstrom Intl	10h 2m layover 3h 13m - Seattle	Alaska Airlines	AS1255 AS594
from $265 Find flight	19:14 Ontario Ontario Int.	14:42+1 день Austin Austin-Bergstrom Intl	17h 28m layover 10h 32m - Seattle	Alaska Airlines	AS1399 AS318
from $265 Find flight	19:14 Ontario Ontario Int.	16:53+1 день Austin Austin-Bergstrom Intl	19h 39m layover 12h 40m - Seattle	Alaska Airlines	AS1399 AS502
from $265 Find flight	19:14 Ontario Ontario Int.	23:59+1 день Austin Austin-Bergstrom Intl	26h 45m layover 19h 57m - Seattle	Alaska Airlines	AS1399 AS594
from $265 Find flight	11:57 Ontario Ontario Int.	16:53+1 день Austin Austin-Bergstrom Intl	26h 56m layover 19h 56m - Seattle	Alaska Airlines	AS1255 AS502
from $243 Find flight	06:00 Ontario Ontario Int.	18:18 Austin Austin-Bergstrom Intl	10h 18m layover 1h 10m - Seattle 1h 34m - Portland	Alaska Airlines	AS1091 AS2213 AS540
from $271 Find flight	19:14 Ontario Ontario Int.	18:18+1 день Austin Austin-Bergstrom Intl	21h 4m layover 10h 5m - Seattle 3h 30m - Portland	Alaska Airlines	AS1399 AS3362 AS540
from $271 Find flight	19:14 Ontario Ontario Int.	18:18+1 день Austin Austin-Bergstrom Intl	21h 4m layover 12h 0m - Seattle 1h 34m - Portland	Alaska Airlines	AS1399 AS2213 AS540
from $271 Find flight	17:44 Ontario Ontario Int.	16:53+1 день Austin Austin-Bergstrom Intl	21h 9m layover 11h 7m - Portland 2h 23m - Seattle	Alaska Airlines	AS2202 AS1032 AS502

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on February 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$58
05:05 — 23:58	05:05 — 08:24 UA1575 United Airlines Ontario — Denver 12h 21m stop 20:45 — 23:58 UA1317 United Airlines Denver — Austin	16h 53m including layover	Find flight from$275
05:05 — 14:09	05:05 — 08:24 UA1575 United Airlines Ontario — Denver 2h 30m stop 10:54 — 14:09 UA1026 United Airlines Denver — Austin	7h 4m including layover	Find flight from$281
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$217
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$186
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$238
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$261
13:44 — 23:58	13:42 — 17:01 UA1942 United Airlines Ontario — Denver 3h 42m stop 20:45 — 23:59 UA1317 United Airlines Denver — Austin	8h 14m including layover	Find flight from$279
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$281
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$201
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$201
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$265
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$265
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$68
00:58 — 17:41	00:58 — 05:57 Y41861 Volaris Ontario — Guadalajara 3h 16m stop 09:23 — 11:00 AM213 Aeromexico Guadalajara — Mexico City 4h 25m stop 15:15 — 17:41 AM1684 Aeromexico Mexico City — Austin	14h 43m including layover	Find flight from$463
06:00 — 18:18	06:00 — 08:50 AS1091 Alaska Airlines Ontario — Seattle 1h 10m stop 10:00 — 10:54 AS2213 Alaska Airlines Seattle — Portland 1h 34m stop 12:28 — 18:18 AS540 Alaska Airlines Portland — Austin	10h 18m including layover	Find flight from$243
07:00 — 14:42 +1 day	07:00 — 09:26 AS1058 Alaska Airlines Ontario — Portland 2h 14m stop 11:40 — 12:41 AS970 Alaska Airlines Portland — Seattle 19h 51m stop 08:32 — 14:42 AS318 Alaska Airlines Seattle — Austin	29h 42m including layover	Find flight from$216
17:44 — 16:53 +1 day	17:44 — 20:08 AS2202 Alaska Airlines Ontario — Portland 11h 7m stop 07:15 — 08:17 AS1032 Alaska Airlines Portland — Seattle 2h 23m stop 10:40 — 16:53 AS502 Alaska Airlines Seattle — Austin	21h 9m including layover	Find flight from$271
17:44 — 16:53 +1 day	17:44 — 20:08 AS2202 Alaska Airlines Ontario — Portland 11h 52m stop 08:00 — 09:02 AS910 Alaska Airlines Portland — Seattle 1h 38m stop 10:40 — 16:53 AS502 Alaska Airlines Seattle — Austin	21h 9m including layover	Find flight from$271
20:56 — 17:41 +1 day	20:33 — 01:32 Y41863 Volaris Ontario — Guadalajara 6h 8m stop 08:08 — 09:45 AM209 Aeromexico Guadalajara — Mexico City 5h 35m stop 15:05 — 17:32 AM1684 Aeromexico Mexico City — Austin	18h 45m including layover	Find flight from$455

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

*Departure and arrival times - local. Updated on February 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 20:56 from 2 Ontario airports and arrive 00:49 to 20:56 to 3 Austin airports. Average flight time is 18h 45m.

The fastest flight 5h 25m
Average flight time 18h 45m
The earliest flight 00:49
The latest flight 20:56
Distance 1195 ml

The cheapest months to travel to Austin are november (from 58 $), december (from 58 $), february (from 80 $).

The most expensive months are january (from 238 $), february (from 80 $), december (from 58 $).

What is the lowest airfare Ontario to Austin?

The cheapest plane ticket found by our users is $58. This airfare is for economy class on one-way F91500 flight by Frontier Airlines for February 21, 2025 which leaves Ontario Int. in Ontario at 00:49 am and arrives at Austin Austin-Bergstrom Intl at 08:14.

Economy class

$58

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First class

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Popular Airlines on the Route

The flight Ontario — Austin is served by 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 26 departures per week at the price of from $ 186 . And the most expensive tickets are offered by Volaris airline - from $ 671.

Direct flights

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

Connecting Flights

There are 38 flights with layovers on the route. The fastest connecting flight is F91500 by Frontier Airlines takes 5h 25m and the cheapest is F91500 by Frontier Airlines for $58.

AS - Alaska Airlines

from $186

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F9 - Frontier Airlines

from $58

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UA - United Airlines

from $275

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Y4 - Volaris

from $455

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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 $58
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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 4 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

Find

How to book a plane ticket yourself?

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