Cheap Flights from Ontario, CA to Austin, TX from $76

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On Cheapflightsplus.com you will find 199 connecting flights from Ontario to Austin. You can compare airfare deals from 4 airlines and multiple travel sites from $76, 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: $76 (one-way), $130 (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 $76. Take a look at the list of flights with layovers from Ontario to Austin from $76. There’re no direct flights. The fastest connecting flight – 4h 54m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $76 Find flight	13:31 Ontario Ontario Int.	23:56 Austin Austin-Bergstrom Intl	8h 25m layover 1h 36m - Seattle	Hawaiian Airlines	HA6289 HA6604
from $77 Find flight	08:00 Ontario Ontario Int.	14:54 Austin Austin-Bergstrom Intl	4h 54m layover 0h 48m - Las Vegas	Frontier Airlines	F92232 F94632
from $79 Find flight	06:00 Ontario Ontario Int.	18:32 Austin Austin-Bergstrom Intl	10h 32m layover 3h 34m - Seattle	Hawaiian Airlines	HA6288 HA6530
from $81 Find flight	00:59 Ontario Ontario Int.	23:34 Austin Austin-Bergstrom Intl	20h 35m layover 15h 58m - Denver	Frontier Airlines	F91500 F92890
from $84 Find flight	07:10 Ontario Ontario Int.	16:43 Austin Austin-Bergstrom Intl	7h 33m layover 1h 22m - Portland	Alaska Airlines	AS1058 AS540
from $84 Find flight	07:30 Ontario Ontario Int.	16:56 Austin Austin-Bergstrom Intl	7h 26m layover 1h 11m - Portland	Hawaiian Airlines	HA6286 HA6369
from $84 Find flight	14:21 Ontario Ontario Int.	00:05+1 день Austin Austin-Bergstrom Intl	7h 44m layover 0h 58m - Seattle	Hawaiian Airlines	HA6307 HA6604
from $84 Find flight	13:31 Ontario Ontario Int.	23:56 Austin Austin-Bergstrom Intl	8h 25m layover 1h 36m - Seattle	Alaska Airlines	AS1111 AS372
from $90 Find flight	07:30 Ontario Ontario Int.	16:56 Austin Austin-Bergstrom Intl	7h 26m layover 1h 11m - Portland	Alaska Airlines	AS2179 AS540
from $90 Find flight	14:21 Ontario Ontario Int.	00:05+1 день Austin Austin-Bergstrom Intl	7h 44m layover 0h 58m - Seattle	Alaska Airlines	AS1242 AS372
from $93 Find flight	19:22 Ontario Ontario Int.	14:30+1 день Austin Austin-Bergstrom Intl	17h 8m layover 12h 57m - Las Vegas	Frontier Airlines	F94758 F93646
from $93 Find flight	17:14 Ontario Ontario Int.	13:04+1 день Austin Austin-Bergstrom Intl	17h 50m layover 13h 42m - Las Vegas	Frontier Airlines	F91358 F93646
from $93 Find flight	17:21 Ontario Ontario Int.	23:20+1 день Austin Austin-Bergstrom Intl	27h 59m layover 23h 21m - Denver	Frontier Airlines	F92908 F92890
from $97 Find flight	13:37 Ontario Ontario Int.	14:54+1 день Austin Austin-Bergstrom Intl	23h 17m layover 19h 5m - Las Vegas	Frontier Airlines	F91358 F94632
from $100 Find flight	06:00 Ontario Ontario Int.	18:30 Austin Austin-Bergstrom Intl	10h 30m layover 3h 36m - Seattle	Hawaiian Airlines	HA6288 HA6603
from $107 Find flight	18:58 Ontario Ontario Int.	06:07+1 день Austin Austin-Bergstrom Intl	9h 9m layover 2h 22m - Seattle	Hawaiian Airlines	HA6287 HA6310

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 03, 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
00:59 — 23:34	00:59 — 04:19 F91500 Frontier Airlines Ontario — Denver 15h 58m stop 20:29 — 23:44 F92890 Frontier Airlines Denver — Austin	20h 35m including layover	Find flight from$81
05:10 — 13:09	05:10 — 08:27 UA2446 United Airlines Ontario — Denver 1h 28m stop 09:55 — 13:09 UA1026 United Airlines Denver — Austin	5h 59m including layover	Find flight from$128
05:10 — 13:24	05:10 — 08:27 UA1479 United Airlines Ontario — Denver 1h 43m stop 10:10 — 13:24 UA1026 United Airlines Denver — Austin	6h 14m including layover	Find flight from$130
06:00 — 18:32	06:00 — 08:45 HA6288 Hawaiian Airlines Ontario — Seattle 3h 34m stop 12:20 — 18:36 HA6530 Hawaiian Airlines Seattle — Austin	10h 32m including layover	Find flight from$79
06:00 — 12:58	06:00 — 07:13 F92232 Frontier Airlines Ontario — Las Vegas 55m stop 08:10 — 13:04 F93646 Frontier Airlines Las Vegas — Austin	4h 58m including layover	Find flight from$85
07:10 — 16:43	07:10 — 09:27 AS1058 Alaska Airlines Ontario — Portland 1h 22m stop 10:47 — 16:50 AS540 Alaska Airlines Portland — Austin	7h 33m including layover	Find flight from$84
07:30 — 16:56	07:30 — 09:44 HA6286 Hawaiian Airlines Ontario — Portland 1h 11m stop 10:55 — 16:56 HA6369 Hawaiian Airlines Portland — Austin	7h 26m including layover	Find flight from$84
08:00 — 14:54	08:00 — 09:12 F92232 Frontier Airlines Ontario — Las Vegas 48m stop 10:00 — 14:54 F94632 Frontier Airlines Las Vegas — Austin	4h 54m including layover	Find flight from$77
09:35 — 18:36	09:35 — 10:54 UA1585 United Airlines Ontario — San Francisco 2h 6m stop 13:00 — 18:36 UA1116 United Airlines San Francisco — Austin	7h 1m including layover	Find flight from$128
10:06 — 23:34	10:03 — 12:19 HA6284 Hawaiian Airlines Ontario — Portland 5h 5m stop 17:35 — 23:37 HA6377 Hawaiian Airlines Portland — Austin	11h 28m including layover	Find flight from$162
10:06 — 23:34	10:03 — 12:19 AS2456 Alaska Airlines Ontario — Portland 5h 5m stop 17:35 — 23:37 AS1370 Alaska Airlines Portland — Austin	11h 28m including layover	Find flight from$184
13:31 — 23:56	12:00 — 14:38 HA6289 Hawaiian Airlines Ontario — Seattle 1h 36m stop 17:56 — 00:05 HA6604 Hawaiian Airlines Seattle — Austin	8h 25m including layover	Find flight from$76
13:31 — 23:56	12:00 — 14:38 AS1111 Alaska Airlines Ontario — Seattle 1h 36m stop 17:56 — 00:05 AS372 Alaska Airlines Seattle — Austin	8h 25m including layover	Find flight from$84
14:21 — 00:05 +1 day	14:21 — 16:58 HA6307 Hawaiian Airlines Ontario — Seattle 58m stop 17:56 — 00:05 HA6604 Hawaiian Airlines Seattle — Austin	7h 44m including layover	Find flight from$84
14:21 — 00:05 +1 day	14:21 — 16:58 AS1242 Alaska Airlines Ontario — Seattle 58m stop 17:56 — 00:05 AS372 Alaska Airlines Seattle — Austin	7h 44m including layover	Find flight from$90
16:00 — 06:07 +1 day	16:00 — 18:40 HA6290 Hawaiian Airlines Ontario — Seattle 5h 19m stop 23:59 — 06:07 HA6310 Hawaiian Airlines Seattle — Austin	12h 7m including layover	Find flight from$153
16:00 — 15:11 +1 day	16:00 — 18:40 AS1119 Alaska Airlines Ontario — Seattle 14h 23m stop 09:03 — 15:11 AS502 Alaska Airlines Seattle — Austin	21h 11m including layover	Find flight from$170
17:14 — 13:04 +1 day	17:13 — 18:27 F91358 Frontier Airlines Ontario — Las Vegas 13h 42m stop 08:10 — 13:04 F93646 Frontier Airlines Las Vegas — Austin	17h 50m including layover	Find flight from$93
17:21 — 23:20 +1 day	17:21 — 20:44 F92908 Frontier Airlines Ontario — Denver 23h 21m stop 20:05 — 23:20 F92890 Frontier Airlines Denver — Austin	27h 59m including layover	Find flight from$93
18:58 — 06:07 +1 day	18:58 — 21:37 HA6287 Hawaiian Airlines Ontario — Seattle 2h 22m stop 23:59 — 06:07 HA6310 Hawaiian Airlines Seattle — Austin	9h 9m including layover	Find flight from$107
18:58 — 06:07 +1 day	18:58 — 21:37 AS1087 Alaska Airlines Ontario — Seattle 2h 22m stop 23:59 — 06:07 AS1227 Alaska Airlines Seattle — Austin	9h 9m including layover	Find flight from$114
19:22 — 14:30 +1 day	19:22 — 20:35 F94758 Frontier Airlines Ontario — Las Vegas 12h 57m stop 09:32 — 14:30 F93646 Frontier Airlines Las Vegas — Austin	17h 8m including layover	Find flight from$93
19:22 — 15:18 +1 day	18:58 — 21:37 AS1087 Alaska Airlines Ontario — Seattle 11h 2m stop 09:03 — 15:11 AS502 Alaska Airlines Seattle — Austin	17h 56m including layover	Find flight from$170

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

*Departure and arrival times - local. Updated on July 3, 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 00:59 to 19:22 from 2 Ontario airports and arrive 00:59 to 19:22 to 3 Austin airports. Average flight time is 11h 43m.

The fastest flight 4h 54m
Average flight time 11h 43m
The earliest flight 00:59
The latest flight 19:22
Distance 1195 ml

The cheapest months to travel to Austin are october (from 102 $), september (from 103 $), august (from 112 $).

The most expensive months are february (from 352 $), july (from 114 $), august (from 112 $).

What is the lowest airfare Ontario to Austin?

The cheapest plane ticket found by our users is $76. 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 13:31 am and arrives at Austin Austin-Bergstrom Intl at 23:56.

Economy class

$76

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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 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 37 departures per week at the price of from $ 84 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 381.

Direct flights

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

Connecting Flights

There are 199 flights with layovers on the route. The fastest connecting flight is F92232 by Frontier Airlines takes 4h 54m and the cheapest is HA6289 by Hawaiian Airlines for $76.

AS - Alaska Airlines

from $84

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F9 - Frontier Airlines

from $77

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HA - Hawaiian Airlines

from $76

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UA - United Airlines

from $126

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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 $76
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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 — 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

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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 — 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

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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.
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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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