S$ 21 Cheap Flights from Ontario to Phoenix (ONT-PHX)

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Cheap Flights from Ontario to Phoenix

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Cheap Flights from Ontario to Phoenix starting at S$ 21

Book one-way or return flights from Ontario to Phoenix from as little as S$ 21. Choose from the popular airlines below and book your flight today!

One way
Round-trip

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 Ontario to Phoenix? Find one-way or return flights that are affordable and fit your itinerary.

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

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

Cheapest Airlines flying from Ontario to Phoenix

View airlines operating 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 S$ 21

Southwest Airlines

From S$ 117

American Airlines

From S$ 146

Alaska Airlines

From S$ 228

United Airlines

From S$ 248

Delta Air Lines

From S$ 446

Hawaiian Airlines

From S$ 959

ANA airlines

Find more flights and airlines

Alternative Routes from Ontario to Phoenix

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

Cheapest
ONT
22:50
1h 26m
Direct
PHX
00:16
Ontario International Airport - Sky Harbor International Airport
Wed, May 15Frontier Airlines
S$ 21
ONT
22:50
1h 26m
Direct
PHX
00:16
Ontario International Airport - Sky Harbor International Airport
Wed, May 15Frontier Airlines
S$ 21
Find More Flights

Frequently Asked Questions

When to buy flight tickets from Ontario (ONT) to Phoenix (PHX) the cheapest?
Airlines adjust prices for flights from Ontario to Phoenix based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Ontario (ONT) to Phoenix (PHX) cost?
According to Trip.com's data, the lowest price is around S$ 218.
What's the most popular airline for direct flights from Ontario (ONT) to Phoenix (PHX)?
American Airlines operates 1 direct flights from Ontario (ONT) to Phoenix (PHX).
How many airports in Phoenix?
There are 6 airports near Phoenix: Sky Harbor International Airport, Phoenix-Mesa Gateway Airport, Phoenix Deer Valley Municipal Airport, Phoenix Luke Afb, Phoenix Falcon Field Airport and Phoenix Scottsdale Municipal Airport.

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

Flight Information from Ontario to Phoenix

Cheapest direct flight price	S$ 21
Cheapest return ticket price	S$ 48
Cheapest month	February
Peak season for travel	March
Flight distance	12,036.22km
Popular airline	American Airlines