ONT

$29 Find Cheap Flights from Arizona to Ontario

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 2/27. 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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Everything you should know

Cheapest round-trip
$56
Overall average: $72
Frontier
Tue 2/17Wed 2/18
LAS - ONT • Non-stop
Cheapest one-way
$29
Typical prices: $32-$110
Frontier
Fri 2/27
LAS - ONT • Non-stop
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We hope you love your trip to Ontario!
Flight Deals
Useful Info
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, Feb 17 - Wed, Feb 18
Frontier Logo
12:00 pm - 1:11 pm
LAS
-
ONT
1h 11mnonstop
Frontier Logo
7:17 pm - 8:26 pm
ONT
-
LAS
1h 09mnonstop
$56Frontier
Tue, Feb 24 - Thu, Mar 5
Frontier Logo
12:41 pm - 1:52 pm
LAS
-
ONT
1h 11mnonstop
Frontier Logo
7:22 pm - 8:31 pm
ONT
-
LAS
1h 09mnonstop
$57Frontier
Fri, Feb 13 - Mon, Feb 16
Frontier Logo
6:15 am - 7:22 am
LAS
-
ONT
1h 07mnonstop
Frontier Logo
6:43 pm - 7:52 pm
ONT
-
LAS
1h 09mnonstop
$58Frontier
Thu, Feb 12 - Sun, Feb 15
Frontier Logo
5:17 pm - 6:27 pm
LAS
-
ONT
1h 10mnonstop
Frontier Logo
10:18 pm - 11:29 pm
ONT
-
LAS
1h 11mnonstop
$59Frontier
Mon, Mar 16 - Sat, Mar 28
Frontier Logo
2:28 pm - 3:37 pm
LAS
-
ONT
1h 09mnonstop
Frontier Logo
7:31 pm - 8:40 pm
ONT
-
LAS
1h 09mnonstop
$60Frontier
Tue, Mar 17 - Tue, Mar 24
American Airlines Logo
5:47 pm - 7:09 pm
PHX
-
ONT
1h 22mnonstop
American Airlines Logo
7:59 pm - 9:20 pm
ONT
-
PHX
1h 21mnonstop
$97American Airlines
Wed, Feb 25 - Wed, Mar 4
Southwest Logo
3:10 pm - 5:10 pm
PHX
-
ONT
3h 00m
1 stop
Southwest Logo
3:20 pm - 5:40 pm
ONT
-
PHX
1h 20mnonstop
$103Southwest
Tue, Feb 17 - Wed, Feb 18
Southwest Logo
8:45 am - 9:05 am
PHX
-
ONT
1h 20mnonstop
Southwest Logo
3:15 pm - 8:45 pm
ONT
-
PHX
4h 30m
1 stop
$107Southwest
Wed, Feb 25 - Wed, Mar 4
Southwest Logo
4:15 pm - 8:20 pm
PHX
-
ONT
5h 05m
2 stops
Southwest Logo
5:55 am - 8:10 am
ONT
-
PHX
1h 15mnonstop
$112Southwest
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
5:50 pm - 10:07 pm
FLG
-
ONT
5h 17m
1 stop
American Airlines Logo
12:22 pm - 4:19 pm
ONT
-
FLG
3h 57m
1 stop
$306American Airlines
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$29
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from Las Vegas 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)