$15 Find Cheap Flights from Ontario to Phoenix

Flights from Ontario to Phoenix

Hotels in Phoenix

Worldwide Coverage

Flights to over 5,000 cities

One-stop Service Guarantee

Price guaranteed upon confirmed payment, booking guaranteed once tickets issued

Secure Payment

Convenient & reliable booking and payment system

Flights from Ontario to Phoenix Starting at $15

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from Ontario to Phoenix

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From $15

Southwest Airlines

From $47

American Airlines

From $106

Alaska Airlines

From $161

United Airlines

From $181

Delta Air Lines

From $328

Hawaiian Airlines

From $706

ANA airlines

Find more flights and airlines

Alternative Cheap Routes from Ontario to Phoenix

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Ontario to Phoenix.

Cheapest
ONT
22:57
1h 26m
Direct
PHX
00:23
Ontario International Airport - Sky Harbor International Airport
Sat, Apr 20Frontier Airlines
$15
ONT
22:57
1h 26m
Direct
PHX
00:23
Ontario International Airport - Sky Harbor International Airport
Sat, Apr 20Frontier Airlines
$15
Find More Flights

Frequently Asked Questions

When are flight tickets from Ontario (ONT) to Phoenix (PHX) the cheapest?
Airlines adjust prices for flights from Ontario to Phoenix based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Ontario (ONT) to Phoenix (PHX) cost?
According to Trip.com's data, the lowest price is around $162.

How to find a cheap flight from Ontario to Phoenix

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to Phoenix. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Travel Info | Ontario to Phoenix

Cheapest nonstop flight price	$15
Cheapest round-trip ticket price	$34
Off-season for travel	February
Peak season for travel	March
Flight distance	12,036.22km
Popular airline	American Airlines