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

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Nashville
$210+
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San Francisco
$215+
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Boise
$233+
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Chicago
$238+
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Seattle
$263+
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Reno
$286+
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Phoenix
$291+
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San Antonio
$294+
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Denver
$299+
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Oakland
$300+
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Dallas
$300+
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Salt Lake City
$300+
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San Jose
$300+
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Las Vegas
$300+
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Portland
$310+
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Austin
$310+
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Las Vegas
$189+
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Oakland
$219+
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San Francisco
$229+
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Boise
$233+
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Chicago
$238+
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San Francisco
$242+
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Denver
$254+
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San Antonio
$254+
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Seattle
$260+
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Salt Lake City
$260+
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Dallas
$260+
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El Paso
$262+
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Reno
$262+
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Sacramento
$265+
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Phoenix
$266+
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Oklahoma City
$270+
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Last Minute Flight Deals from Ontario to Top Cities

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
San Francisco
$48+
Oct 5 – Oct 15
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Seattle
$62+
Oct 11 – Oct 19
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Dallas
$63+
Oct 7 – Oct 12
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Denver
$65+
Sep 29 – Sep 30
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Las Vegas
$80+
Oct 21 – Oct 24
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Los Angeles
$117+
Oct 1 – Oct 14
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Phoenix
$117+
Sep 21 – Sep 22
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Nashville
$156+
Sep 21 – Sep 29
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Atlanta
$157+
Oct 21 – Oct 27
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Fort Lauderdale
$225+
Sep 28 – Oct 1
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Orlando
$233+
Sep 24 – Sep 30
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Tampa
$240+
Oct 13 – Oct 20
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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.