Cheap Flight Tickets from Phoenix (PHX) to Ontario (ONT), Starting at $330

Good to Know: Cheapest and Fastest PHX - ONT Flights

Useful information for finding best airline tickets from Phoenix Sky Harbor International to Ontario International on your next trip.

Cheapest Round Trip Flight

$330

F9 Frontier Airlines • 1 stop • 28h 42m

Sep 22 – Sep 26

The cheapest round trip flight from Phoenix to Ontario (PHX-ONT-PHX) is currently $330

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Cheapest Direct Flight

$450

WN Southwest Airlines • nonstop • 1h 50m

Sep 22

The cheapest nonstop flight from Phoenix to Ontario (PHX-ONT) is currently $450

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Fastest Flight

1h 50m

The fastest nonstop flight from Phoenix to Ontario (PHX-ONT) takes 1h 50m

Top Airlines Flying from Phoenix to Ontario

Southwest Airlines-WN

Southwest Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from Phoenix (PHX) to Ontario (ONT)

Compare and book low fare round-trip air tickets from Phoenix to Ontario. Ideal for travelers with confirmed return itineraries.

Sep 22 - Sep 26, Economy
F9
Phoenix → Ontario
28h 42m
6:25 AM - 11:47 PM • 1 stop
F9
Phoenix → Ontario
13h 26m
11:45 AM - 7:51 PM • 1 stop
$330
Frontier Airlines
Sep 22 - Sep 26, Economy
F9
Phoenix → Ontario
16h 56m
6:30 AM - 4:46 PM • 1 stop
F9
Phoenix → Ontario
22h 16m
6:15 AM - 7:51 PM • 1 stop
$330
Frontier Airlines
Sep 21 - Sep 25, Economy
F9
Phoenix → Ontario
10h 4m
1:32 PM - 7:36 PM • 1 stop
F9
Phoenix → Ontario
19h 18m
11:45 AM - 11:43 PM • 1 stop
$370
Frontier Airlines
Sep 21 - Sep 25, Economy
F9
Phoenix → Ontario
22h 14m
8:56 PM - 10:30 AM • 1 stop
F9
Phoenix → Ontario
13h 26m
11:45 AM - 7:51 PM • 1 stop
$370
Frontier Airlines
Sep 21 - Sep 25, Economy
F9
Phoenix → Ontario
23h 52m
9:15 AM - 11:47 PM • 1 stop
F9
Phoenix → Ontario
7h 2m
8:00 AM - 12:22 PM • 1 stop
$380
Frontier Airlines
Sep 21 - Sep 25, Economy
F9
Phoenix → Ontario
5h 22m
8:00 AM - 11:22 AM • 1 stop
F9
Phoenix → Ontario
2h 12m
8:52 PM - 10:24 PM • nonstop
$573
Frontier Airlines

Fly from Phoenix to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Phoenix to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Phoenix to Ontario Flights

What are the airports in Phoenix?
PHX
What’s the most popular airline flying from PHX to ONT?
The most popular airline flying from Phoenix to Ontario are
Can I fly from PHX to ONT non-stop?
Yes, you can fly PHX to ONT non-stop on
Which airlines fly nonstop between Phoenix and Ontario?
The non-stop flights between Phoenix and Ontario are .
What’s the earliest departure time from PHX to ONT Airport?
The earliest flight leaves PHX at 6:25 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Phoenix to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from PHX to ONT?
Read the fare rules of the Phoenix to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Phoenix and Ontario?
operate flights between Phoenix and Ontario
How long does a flight from Phoenix to Ontario take?
It takes approximately 1 hour to fly non-stop from PHX to ONT, which is 324.59 miles by air.
Which airlines provide the cheapest flights from Phoenix (PHX) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from PHX were found on F9 : USD 573
Do I need a passport to fly between PHX and ONT?
No
What’s the latest departure time from PHX to ONT ?
The last flight leaves PHX at 8:56 pm

Phoenix (PHX) to Ontario (ONT): Airport Information

Origin Airport Phoenix Sky Harbor International , Phoenix, US
Destination Airport Ontario International , Ontario, US
Distance 325 miles

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