ONT

$44 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 8/16. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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

Thu, May 28 - Thu, May 28
Frontier Logo
7:00 am - 8:04 am
LAS
-
ONT
1h 04mnonstop
Frontier Logo
11:51 am - 1:02 pm
ONT
-
LAS
1h 11mnonstop
$51Frontier
Sat, May 23 - Thu, May 28
Frontier Logo
7:00 am - 8:04 am
LAS
-
ONT
1h 04mnonstop
Frontier Logo
11:51 am - 1:02 pm
ONT
-
LAS
1h 11mnonstop
$55Frontier
Thu, May 21 - Mon, May 25
Frontier Logo
1:59 pm - 3:09 pm
LAS
-
ONT
1h 10mnonstop
Frontier Logo
3:30 pm - 4:43 pm
ONT
-
LAS
1h 13mnonstop
$56Frontier
Thu, May 28 - Mon, Jun 1
Frontier Logo
7:00 am - 8:04 am
LAS
-
ONT
1h 04mnonstop
Frontier Logo
3:30 pm - 4:43 pm
ONT
-
LAS
1h 13mnonstop
$57Frontier
Wed, Jun 3 - Tue, Jun 9
American Airlines Logo
8:43 pm - 9:57 pm
PHX
-
ONT
1h 14mnonstop
American Airlines Logo
1:11 pm - 2:34 pm
ONT
-
PHX
1h 23mnonstop
$137American Airlines
Wed, Jun 3 - Tue, Jun 9
Southwest Logo
8:30 am - 11:35 am
PHX
-
ONT
3h 05m
1 stop
Southwest Logo
7:20 pm - 8:35 pm
ONT
-
PHX
1h 15mnonstop
$143Southwest
Tue, Jun 2 - Tue, Jun 2
Southwest Logo
6:20 am - 9:50 am
PHX
-
ONT
3h 30m
1 stop
Southwest Logo
2:25 pm - 3:40 pm
ONT
-
PHX
1h 15mnonstop
$147Southwest
Thu, May 28 - Mon, Jun 1
American Airlines Logo
6:30 pm - 9:57 pm
TUS
-
ONT
3h 27m
1 stop
American Airlines Logo
6:10 am - 9:32 am
ONT
-
TUS
3h 22m
1 stop
$311American Airlines
Tue, Jun 30 - Sat, Jul 4
Delta Logo
4:30 pm - 11:49 pm
TUS
-
ONT
7h 19m
1 stop
Delta Logo
6:00 am - 10:29 am
ONT
-
TUS
4h 29m
1 stop
$325Delta
Tue, Jun 30 - Fri, Jul 10
Delta Logo
4:30 pm - 11:49 pm
TUS
-
ONT
7h 19m
1 stop
Delta Logo
6:00 am - 10:24 am
ONT
-
TUS
4h 24m
1 stop
$345Delta
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$44
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly and prices are also 10% lower on average.
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)