Cheap Flights from Ontario to Phoenix

Cheapest flights from Ontario to Phoenix

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ontario to Phoenix. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$22

Frontier Airlines

Direct flight

1h 35m

11/12/2025

The cheapest one-way flight from Ontario to Phoenix departs on 11/12/2025, is operated by Frontier Airlines and costs $22

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Ontario to Phoenix

The fastest flight

1h 32m

Fastest flight from Ontario to Phoenix takes 1h 32m

Direct flights

Several times a week

There are direct flights on this route 2 days a week: We and Sa

Earliest flight

5:20 AM

Latest flight

8:00 PM

Direct flights count

68

Distance

518km

Timezone difference

1h

The distance between Ontario and Phoenix is 518km (321 miles). There are 68 direct flights from Ontario to Phoenix. The time difference between Ontario and Phoenix is 1h. Flights from Ontario begin at 5:20 AM. The latest flight from Ontario departs at 8:00 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Ontario to Phoenix by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Ontario to Phoenix

October 2025

Lowest price

on average:

$80

Avg Price

Airlines operating on route

The Ontario — Phoenix route is served by multiple airlines, including Frontier Airlines and Southwest Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $22, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.

Frontier Airlines

Starting at $22

Southwest Airlines

Starting at $77

Direct Flights from Ontario to Phoenix

A direct flight is the most convenient and comfortable way to fly from Ontario to Phoenix, despite the fact that sometimes flights with transfers can cost significantly less.

Los Angeles — Phoenix

LAX — PHX

11/03/2025

Departure

Direct flight

F94958

Starting at $115

Los Angeles — Phoenix

LAX — PHX

11/12/2025

Departure

Direct flight

WN247

Starting at $77

Los Angeles — Phoenix

LAX — PHX

01/11/2026

Departure

Direct flight

F93644

Starting at $26

Ontario — Phoenix

ONT — PHX

11/09/2025

Departure

Direct flight

WN3987

Starting at $173

Schedule of direct flights from Ontario to Phoenix

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Ontario to Phoenix:

Unable to find information about the schedule of direct flights from

Ontario airports overview

LAX

Los Angeles International Airport

Airlines flying to this airport

$22

Starting at

$24-296%

on average

ONT

Ontario International Airport

Airlines flying to this airport

$49

Starting at

$93-3%

on average

SNA

John Wayne Airport - Santa Ana

Airlines flying to this airport

$77

Starting at

$96

on average

Phoenix airports overview

PHX

Phoenix Sky Harbor International Airport

Airlines flying to this airport

$22

Starting at

$68

on average

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from Ontario to Phoenix?

The cheapest flight ticket from Ontario to Phoenix according to data for the last 48 hours costs $22

When is the best time to buy air tickets on the route Ontario — Phoenix?

Often the best time to buy tickets from Ontario to Phoenix is 2 months before departure.

When is the cheapest time of year to fly from Ontario to Phoenix?

Based on statistics over the past years, the lowest prices for flights from Ontario to Phoenix can be found flying in these months: October.

How long does it take to fly from Ontario to Phoenix?

The fastest flights from Ontario to Phoenix start from 1 hour 32 minutes in the air.

Which airline can fly direct from Ontario to Phoenix?

The following airlines operate direct flights on the route Ontario — Phoenix: Frontier Airlines, Southwest Airlines

Special offers and sales on air tickets from Ontario to Phoenix

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Ontario to Phoenix

Alternative routes

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Cheapest one way flight

$22

Frontier Airlines

Direct flight

1h 35m

11/12/2025

The cheapest one-way flight from Ontario to Phoenix departs on 11/12/2025, is operated by Frontier Airlines and costs $22

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Ontario to Phoenix

The fastest flight