Cheap flights from Las Vegas to Ontario, CA

Travel > North America > United States > Las Vegas to Ontario, CA flights

Check our current prices for flights from Las Vegas to Ontario, CA. 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 Las Vegas to Ontario, CA, you will need to run a search below.

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From $75 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Ontario airfares from $75/RT are provided by Cheapoair.com. Outbound flight is leaving on 04/07/2025, 06:20 am from Las Vegas Mccarran (LAS) airport and arrives at Ontario Int`l (ONT) at 07:25 am. The flight time is 1 hours and 5 minutes. The Returning flight departes on 04/12/2025, 10:02 pm (other return dates are also available). Date posted: 10 Feb 2025

Price evolution for flights From Las Vegas To Ontario, CA

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

• $75 Frontier Airlines 

  From	To	Departure	Time
  Las Vegas, NV (LAS)	Ontario, CA (ONT)	04/07/2025	06:20 am
  Ontario, CA (ONT)	Las Vegas, NV (LAS)	04/12/2025	10:02 pm

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• $380 Frontier Airlines 

  From	To	Departure	Time
  Las Vegas, NV (LAS)	Ontario, CA (ONT)	03/18/2025	05:00 pm
  Ontario, CA (ONT)	Las Vegas, NV (LAS)	04/02/2025	08:35 pm

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• $24 Frontier Airlines 

  From	To	Departure	Time
  Las Vegas, NV (LAS)	Ontario, CA (ONT)	03/25/2025	01:53 pm

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• $59 Frontier Airlines 

  From	To	Departure	Time
  Las Vegas, NV (LAS)	Ontario, CA (ONT)	03/22/2025	07:32 pm

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