Cheap Flight Tickets from Ontario (ONT) to Phoenix (PHX), Starting at $261

Good to Know: Cheapest and Fastest ONT - PHX Flights

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

Cheapest Round Trip Flight

$261

WN Southwest Airlines • nonstop • 1h 55m

Nov 06 – Nov 08

The cheapest round trip flight from Ontario to Phoenix (ONT-PHX-ONT) is currently $261

🔍 Search Flights

Cheapest Direct Flight

$261

WN Southwest Airlines • nonstop • 1h 55m

Nov 06

The cheapest nonstop flight from Ontario to Phoenix (ONT-PHX) is currently $261

🔍 Search Flights

Fastest Flight

1h 55m

The fastest nonstop flight from Ontario to Phoenix (ONT-PHX) takes 1h 55m

Top Airlines Flying from Ontario to Phoenix

Southwest Airlines-WN

Southwest Airlines

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

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

Nov 06 - Nov 08, Economy
WN
Ontario → Phoenix
1h 55m
5:00 AM - 7:15 AM • nonstop
WN
Ontario → Phoenix
2h 10m
11:20 AM - 11:50 AM • nonstop
$261
Southwest Airlines
Nov 06 - Nov 08, Economy
WN
Ontario → Phoenix
1h 55m
8:35 AM - 10:50 AM • nonstop
WN
Ontario → Phoenix
2h 5m
2:05 PM - 2:30 PM • nonstop
$261
Southwest Airlines
Nov 06 - Nov 08, Economy
WN
Ontario → Phoenix
7h 5m
7:00 AM - 12:25 PM • 1 stop
WN
Ontario → Phoenix
2h 5m
2:05 PM - 2:30 PM • nonstop
$267
Southwest Airlines
Nov 06 - Nov 08, Economy
WN
Ontario → Phoenix
6h 40m
4:00 PM - 9:00 PM • 1 stop
WN
Ontario → Phoenix
2h 10m
11:20 AM - 11:50 AM • nonstop
$267
Southwest Airlines
Nov 06 - Nov 08, Economy
WN
Ontario → Phoenix
1h 55m
5:00 AM - 7:15 AM • nonstop
WN
Ontario → Phoenix
6h 50m
7:45 AM - 10:55 AM • 1 stop
$267
Southwest Airlines
Nov 06 - Nov 08, Economy
WN
Ontario → Phoenix
6h 40m
1:00 PM - 6:00 PM • 1 stop
WN
Ontario → Phoenix
2h 10m
8:10 PM - 8:40 PM • nonstop
$267
Southwest Airlines

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

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

FAQs on Ontario to Phoenix Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to PHX?
The most popular airline flying from Ontario to Phoenix are
Can I fly from ONT to PHX non-stop?
Yes, you can fly ONT to PHX non-stop on
Which airlines fly nonstop between Ontario and Phoenix?
The non-stop flights between Ontario and Phoenix are .
What’s the earliest departure time from ONT to PHX Airport?
The earliest flight leaves ONT at 5:00 am and lands in PHX - Phoenix Sky Harbor International
What are the airports in Phoenix?
PHX
Can I make changes to my Ontario to Phoenix 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 ONT to PHX?
Read the fare rules of the Ontario to Phoenix 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 Ontario and Phoenix?
operate flights between Ontario and Phoenix
How long does a flight from Ontario to Phoenix take?
It takes approximately 1 hour to fly non-stop from ONT to PHX, which is 324.59 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Phoenix (PHX) ?
In the past couple of days, the cheapest tickets to PHX from ONT were found on WN : USD 261
Do I need a passport to fly between ONT and PHX?
No
What’s the latest departure time from ONT to PHX ?
The last flight leaves ONT at 5:20 pm

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

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

More Flight Options for Ontario (ONT) and Phoenix (PHX)

Why Fareleaders for ONT to PHX Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Ontario to Phoenix flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on ONT to PHX flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Ontario to Phoenix flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Ontario (ONT) to Phoenix (PHX)
Terms and Conditions*