Cheap Flight Tickets from Phoenix (PHX) to Ontario (ONT)

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Latest Flight Deals from Phoenix to Ontario

Book one-way or return flights from Phoenix to Ontario from as little as AU$ 23. Choose from the popular airlines below and book your flight today!

One way
Return

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

Searching for the best last minute flight from Phoenix to Ontario? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Phoenix to Ontario. Stay updated on price trends and snag the best deals for your upcoming trip.

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

Airlines Flying from Phoenix to Ontario

View airlines operating flights from Phoenix to Ontario. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From AU$ 23

American Airlines

From AU$ 72

Spirit Airlines

From AU$ 78

Southwest Airlines

From AU$ 151

United Airlines

From AU$ 175

Alaska Airlines

From AU$ 306

Delta Air Lines

From AU$ 786

ANA airlines

Find more flights and airlines

Alternative Routes from Phoenix to Ontario

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Phoenix to Ontario.

Cheapest
PHX
18:31
1h 16m
Direct
ONT
19:47
Sky Harbor International Airport - Ontario International Airport
Tue, May 14Frontier Airlines
AU$ 23
PHX
18:31
1h 16m
Direct
ONT
19:47
Sky Harbor International Airport - Ontario International Airport
Tue, May 14Frontier Airlines
AU$ 23
Find More Flights

How do I find the cheapest flights?

When are flight from Phoenix (PHX) to Ontario (ONT) the cheapest?
Airlines adjust prices for flights from Phoenix to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Phoenix (PHX) to Ontario (ONT) cost?
According to Trip.com's data, the lowest price is around AU$ 250.
What's the most popular airline for direct flights from Phoenix (PHX) to Ontario (ONT)?
American Airlines operates 1 direct flights from Phoenix (PHX) to Ontario (ONT).

How to find a cheap flight from Phoenix to Ontario

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 Phoenix to Ontario. 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

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Flight Information from Phoenix to Ontario

Cheapest direct flight price	AU$ 23
Cheapest return ticket price	AU$ 53
Off-season for travel	April
Peak season for travel	October
Flight distance	12,036.22km
Popular airline	American Airlines