Cheap Flights from Phoenix to Ontario

Cheapest flights from Phoenix to Ontario

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 Phoenix to Ontario. 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

$24

Frontier Airlines

Direct flight

1h 36m

03/02/2026

The cheapest one-way flight from Phoenix to Ontario departs on 03/02/2026, is operated by Frontier Airlines and costs $24

Cheapest round trip flight

$57

Frontier Airlines

Direct flight

3h 3m

01/30/2026

The cheapest roundtrip flight from Phoenix to Ontario departs on 01/30/2026, is operated by Frontier Airlines and costs $57

The fastest flight

1h 35m

Fastest flight from Phoenix to Ontario takes 1h 35m

Direct flights

Several times a week

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

Earliest flight

7:40 AM

Latest flight

10:10 PM

Direct flights count

69

Distance

518km

Timezone difference

1h

The distance between Phoenix and Ontario is 518km (321 miles). There are 69 direct flights from Phoenix to Ontario. The time difference between Phoenix and Ontario is 1h. Flights from Phoenix begin at 7:40 AM. The latest flight from Phoenix departs at 10:10 PM

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

Airfare from Phoenix to Ontario 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 Phoenix to Ontario

January 2026

Lowest price

on average:

$87

Avg Price

Airlines operating on route

Flights from Phoenix to Ontario are operated by several airlines — American Airlines and Frontier Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $24, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.

American Airlines

starting at $81

Frontier Airlines

starting at $24

Non-stop flights from Phoenix to Ontario

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

Phoenix — Los Angeles

PHX — LAX

02/03/2026

Departure

Direct flight

AA2908

starting at $81

Phoenix — Los Angeles

PHX — LAX

03/03/2026

Departure

Direct flight

AA1038

starting at $176

Phoenix — Ontario

PHX — ONT

01/31/2026

Departure

Direct flight

AA3225

starting at $242

Schedule of direct flights from Phoenix to Ontario

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

Unable to find information about the schedule of direct flights from

Phoenix airports overview

Phoenix-Mesa Gateway Airport

•

AZA

42km

Phoenix Sky Harbor International Airport

•

PHX

8km

Scottsdale Airport

•

SCF

24km

Serves Scottsdale, Arizona, as a general aviation reliever for the Phoenix area, primarily handling private and business jets with easy access to downtown Scottsdale, Phoenix, and nearby resorts.

•

Ontario airports overview

Ontario International Airport

•

ONT

5km

Serves Ontario and the Inland Empire region of Southern California, offering domestic and select international flights; convenient for travelers to Los Angeles, San Bernardino and nearby business centers.

•

Frequently asked questions (FAQ)

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

What is the cheapest price for flights from Phoenix to Ontario?

The cheapest flight ticket from Phoenix to Ontario according to data for the last 48 hours costs $24

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

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

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

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

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

The fastest flights from Phoenix to Ontario start from 1 hour 35 minutes in the air.

Which airline can fly direct from Phoenix to Ontario?

The following airlines operate direct flights on the route Phoenix — Ontario: American Airlines

Special offers and sales on air tickets from Phoenix to Ontario

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 Phoenix to Ontario

Alternative routes

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Cheapest one way flight

$24

Frontier Airlines

Direct flight

1h 36m

03/02/2026

The cheapest one-way flight from Phoenix to Ontario departs on 03/02/2026, is operated by Frontier Airlines and costs $24

Cheapest round trip flight

$57

Frontier Airlines

Direct flight

3h 3m

01/30/2026

The cheapest roundtrip flight from Phoenix to Ontario departs on 01/30/2026, is operated by Frontier Airlines and costs $57

The fastest flight