Last Minute Flights from Ontario

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Fare calendar for the next 30 days
Fare calendar for the next 30 days

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* Rates are in CAD and based on historical search data, subject to change. GoLastMinute is a travel comparison site and does not sell tickets. Prices and availability are provided by partners and may not be available for your departure city. $69+ CAD sample rate based on a roundtrip fare from SAN to PHX from 06/05/2026 - 06/08/2026, found on 05/24/2026 with Frontier Airlines for $63 CAD.

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Last Minute Flight Deals from Ontario to Anywhere

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
San Francisco
$311+
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Las Vegas
$312+
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Austin
$325+
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Charlotte
$346+
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Salt Lake City
$350+
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Nashville
$353+
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Cancun
$365+
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San Antonio
$366+
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Denver
$366+
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Portland
$366+
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Seattle
$367+
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Sacramento
$368+
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Oklahoma City
$368+
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Dallas
$370+
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Reno
$372+
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San Jose
$372+
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Austin
$238+
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Salt Lake City
$248+
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Phoenix
$277+
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Sacramento
$287+
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Las Vegas
$288+
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San Francisco
$291+
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El Paso
$309+
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Nashville
$328+
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Cancun
$333+
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Portland
$337+
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San Antonio
$342+
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Atlanta
$348+
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Cleveland
$355+
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Orlando
$358+
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St Louis
$363+
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Philadelphia
$364+
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Last Minute Flight Deals from Ontario to Top Cities

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
San Francisco
$54+
Jul 1 – Jul 8
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Las Vegas
$59+
Jun 30 – Jul 29
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Denver
$86+
Jul 8 – Jul 15
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Dallas
$114+
Jul 14 – Jul 15
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Phoenix
$115+
Jun 30 – Jul 3
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Los Angeles
$147+
Jul 7 – Jul 21
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Seattle
$194+
Jul 30 – Jul 31
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Atlanta
$235+
Jul 17 – Jul 21
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Miami
$237+
Jul 11 – Jul 18
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Orlando
$241+
Jul 21 – Jul 28
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Nashville
$248+
Jun 18 – Jun 22
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Tampa
$251+
Jul 18 – Jul 22
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Airports in and nearby Ontario

The most commonly used airport near to Ontario is Ontario International (ONT), which is 2.75 kilometers from the center of the city.

Where can I go from Ontario International (ONT)?

People search the most for flights from Ontario to Las Vegas, Seattle, and Phoenix.

How to find the cheapest flights from Ontario?

The GoLastMinute Canada Fare Calendar is a great tool to find the best prices.