S$159 Cheap Flights from Ontario Intl. Airport to Phoenix

View S$159 flight on Thu, 21 May, 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Phoenix Sky Harbor Intl. Airport (PHX)

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Cheap Flights from Ontario Intl. Airport to Phoenix (ONT-PHX)

Prices were available within the past 7 days and start at S$159 for one-way flights and S$566 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 5 May - Wed, 20 May
ONT
Ontario
PHX
Phoenix
S$566 Return, found 6 days ago
S$566
Return
found 6 days ago
Select American Airlines flight, departing Tue, 5 May from Ontario to Phoenix, returning Wed, 20 May, priced at S$566 found 6 days ago
United
Tue, 5 May - Wed, 20 May
ONT
Ontario
PHX
Phoenix
S$578 Return, found 6 days ago
S$578
Return
found 6 days ago
Select United flight, departing Tue, 5 May from Ontario to Phoenix, returning Wed, 20 May, priced at S$578 found 6 days ago
American Airlines
Tue, 5 May - Wed, 20 May
ONT
Ontario
PHX
Phoenix
S$680 Return, found 6 days ago
S$680
Return
found 6 days ago
Select American Airlines flight, departing Tue, 5 May from Ontario to Phoenix, returning Wed, 20 May, priced at S$680 found 6 days ago
American Airlines
Tue, 5 May - Wed, 20 May
ONT
Ontario
PHX
Phoenix
S$689 Return, found 6 days ago
S$689
Return
found 6 days ago
Select American Airlines flight, departing Tue, 5 May from Ontario to Phoenix, returning Wed, 20 May, priced at S$689 found 6 days ago
United
Tue, 5 May - Wed, 20 May
ONT
Ontario
PHX
Phoenix
S$693 Return, found 6 days ago
S$693
Return
found 6 days ago
Select United flight, departing Tue, 5 May from Ontario to Phoenix, returning Wed, 20 May, priced at S$693 found 6 days ago
American Airlines
Tue, 5 May - Wed, 20 May
ONT
Ontario
PHX
Phoenix
S$702 Return, found 6 days ago
S$702
Return
found 6 days ago
Select American Airlines flight, departing Tue, 5 May from Ontario to Phoenix, returning Wed, 20 May, priced at S$702 found 6 days ago
United
Tue, 5 May - Wed, 20 May
ONT
Ontario
PHX
Phoenix
S$715 Return, found 6 days ago
S$715
Return
found 6 days ago
Select United flight, departing Tue, 5 May from Ontario to Phoenix, returning Wed, 20 May, priced at S$715 found 6 days ago
American Airlines
Tue, 5 May - Wed, 20 May
ONT
Ontario
PHX
Phoenix
S$739 Return, found 6 days ago
S$739
Return
found 6 days ago
Select American Airlines flight, departing Tue, 5 May from Ontario to Phoenix, returning Wed, 20 May, priced at S$739 found 6 days ago
American Airlines
Tue, 5 May - Wed, 20 May
ONT
Ontario
PHX
Phoenix
S$741 Return, found 6 days ago
S$741
Return
found 6 days ago
Select American Airlines flight, departing Tue, 5 May from Ontario to Phoenix, returning Wed, 20 May, priced at S$741 found 6 days ago
Delta
Tue, 5 May - Wed, 20 May
ONT
Ontario
PHX
Phoenix
S$1,390 Return, found 6 days ago
S$1,390
Return
found 6 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Phoenix, returning Wed, 20 May, priced at S$1,390 found 6 days ago

Frequently asked questions

How much is a flight from ONT to Sky Harbour Intl. Airport (PHX)?
The lowest price advertised for a round-trip journey from Los Angeles - Ontario Intl. Airport (ONT) to PHX is S$566. But you better act fast. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ontario Airport to Phoenix Sky Harbour Airport?
The majority of flights can be conveniently cancelled online, but whether you are charged a fee depends on your airline. If you do need to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to Phoenix Sky Harbour Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for ONT to Phoenix Sky Harbour Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to Phoenix Sky Harbour Airport?
That new movie you've been desperate to see will just have to wait — the flight distance between Los Angeles - Ontario Intl. Airport (ONT) (ONT) and Phoenix Sky Harbour Airport (PHX) is only 520 kilometres. The captain will be instructing you to put your seat upright for touchdown before you know it.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Sky Harbour Intl. Airport (PHX)?
There are several airlines that fly straight from ONT to Sky Harbour Intl. Airport (PHX). Southwest Airlines (WN) is a top choice, offering 147 flights a month. After more options? Check out the ticket prices from American Airlines (AA). This carrier offers 91 fights monthly between these destinations.
Are Los Angeles - Ontario Intl. Airport (ONT) to Phoenix Sky Harbour Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Los Angeles - Ontario Intl. Airport (ONT) to Phoenix Sky Harbour Intl. Airport last minute could be your ticket to a cheap deal. However, you might miss out on a flight altogether! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Sky Harbor Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$565
Distance
517 km
Average flight time
1 hour 17 mins

Book with confidence

Perfect flights from Ontario Intl. Airport to Phoenix

Your Journey from Ontario Intl. Airport to Phoenix

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With Expedia, you have access to a wide range of airlines, including American Airlines, United, Delta. Our selection of flights from Ontario Intl. Airport to Sky Harbor Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

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Experience the joy of finding cheap flights from Ontario Intl. Airport to Sky Harbor Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$159 and roundtrip prices from S$566*.
 

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Book Your Flight from Ontario Intl. Airport to Phoenix with Confidence

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Ontario Intl. Airport to Phoenix

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