Cheap flights from Ontario, CA to Austin

Travel > North America > United States > Ontario, CA to Austin flights

Travel tip: To escape the heat in the summer, a visit to the Barton Springs Pool is the best way to do it, especially if you would still like to be outdoors! :) The large pool is a favorite amongst the locals, baptism, swimming contest, beauty pageants are organized there year-round. Isn't it marvelous to just laze around, basking in the sun and having a good time? It is relaxing, alleviates stress and makes you enjoy your day. Shouldn't be missed!

Check our current prices for flights from Ontario, CA to Austin. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Ontario, CA to Austin, you will need to run a search below.

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From $119 / RT details

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Cheap Austin airfares from $119/RT are provided by Cheapoair.com. Outbound flight is leaving on 05/07/2025, 12:59 am from Ontario Int`l (ONT) airport and arrives at Austin Bergstrom (AUS) at 11:20 pm. The flight time is 22 hours and 21 minutes. The Returning flight departes on 05/14/2025, 06:00 am (other return dates are also available). Date posted: 23 Feb 2025

Price evolution for flights From Ontario, CA To Austin

Price overview for flights from Ontario, CA to Austin

Recent Deals on Flights from Ontario, CA to Austin:Roundtrip / Oneway

  • $119Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Austin, TX (AUS)05/07/202512:59 am
    Austin, TX (AUS)Ontario, CA (ONT)05/14/202506:00 am
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  • $140Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Austin, TX (AUS)03/12/202512:59 am
    Austin, TX (AUS)Ontario, CA (ONT)03/20/202506:34 pm
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  • $155Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Austin, TX (AUS)03/12/202512:59 am
    Austin, TX (AUS)Ontario, CA (ONT)03/20/202508:08 pm
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  • $160Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Austin, TX (AUS)05/14/202512:59 am
    Austin, TX (AUS)Ontario, CA (ONT)05/27/202503:55 pm
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  • $162Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Austin, TX (AUS)05/14/202512:59 am
    Austin, TX (AUS)Ontario, CA (ONT)05/27/202505:13 pm
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  • $55Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Austin, TX (AUS)04/01/202503:17 pm
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  • $60Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Austin, TX (AUS)03/10/202512:59 am
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  • $61Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Austin, TX (AUS)03/05/202512:59 am
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  • $63Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Austin, TX (AUS)03/06/202512:59 am
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  • $66Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Austin, TX (AUS)03/17/202512:59 am
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Know what to do when flying to Austin?

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