ONT

$58 Find Cheap Flights from Arizona to Ontario - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Arizona to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Arizona to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Arizona to Ontario

Tue, Oct 6 - Tue, Oct 6
Frontier Logo
8:00 am - 9:09 am
LAS
-
ONT
1h 09mnonstop
Frontier Logo
11:45 am - 7:38 pm
ONT
-
LAS
7h 53m
1 stop
$103Frontier
Sat, Oct 24 - Sun, Oct 25
Frontier Logo
3:00 pm - 4:10 pm
LAS
-
ONT
1h 10mnonstop
Frontier Logo
2:26 pm - 10:36 pm
ONT
-
LAS
8h 10m
1 stop
$107Frontier
Mon, Oct 12 - Mon, Oct 12
Frontier Logo
6:40 am - 2:00 pm
LAS
-
ONT
7h 20m
1 stop
Frontier Logo
8:54 pm - 10:02 pm
ONT
-
LAS
1h 08mnonstop
$107Frontier
Wed, Nov 4 - Mon, Nov 9
Southwest Logo
9:05 am - 9:25 am
PHX
-
ONT
1h 20mnonstop
Southwest Logo
12:10 pm - 2:30 pm
ONT
-
PHX
1h 20mnonstop
$117Southwest
Thu, Aug 20 - Wed, Aug 26
Southwest Logo
8:55 pm - 10:05 pm
PHX
-
ONT
1h 10mnonstop
Southwest Logo
3:35 pm - 4:55 pm
ONT
-
PHX
1h 20mnonstop
$117Southwest
Thu, Oct 15 - Wed, Nov 11
American Airlines Logo
5:24 pm - 6:43 pm
PHX
-
ONT
1h 19mnonstop
American Airlines Logo
9:29 am - 11:54 am
ONT
-
PHX
1h 25mnonstop
$117American Airlines
Tue, Sep 29 - Wed, Sep 30
American Airlines Logo
5:01 pm - 6:17 pm
PHX
-
ONT
1h 16mnonstop
American Airlines Logo
6:15 am - 7:36 am
ONT
-
PHX
1h 21mnonstop
$117American Airlines
Thu, Aug 27 - Wed, Sep 2
Southwest Logo
8:05 am - 9:20 am
PHX
-
ONT
1h 15mnonstop
Southwest Logo
3:35 pm - 4:55 pm
ONT
-
PHX
1h 20mnonstop
$117Southwest
Tue, Sep 15 - Sat, Sep 19
United Airlines Logo
7:02 am - 2:01 pm
PHX
-
ONT
6h 59m
1 stop
United Airlines Logo
1:56 pm - 6:35 pm
ONT
-
PHX
4h 39m
1 stop
$241United Airlines
Tue, Sep 15 - Mon, Sep 21
United Airlines Logo
7:02 am - 2:01 pm
PHX
-
ONT
6h 59m
1 stop
United Airlines Logo
6:08 am - 10:26 am
ONT
-
PHX
4h 18m
1 stop
$241United Airlines
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Good to know

Low season

January

Cheapest flight

$58
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Phoenix to Ontario

FAQs for booking flights from Arizona to Ontario

  • How does KAYAK find such low prices on flights from Arizona to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Arizona is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Arizona to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Arizona with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Ontario (ONT)