S$433 Cheap Flights from Ontario to Phoenix

View S$433 flight on Wed, 4 Feb, 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 to Phoenix (ONT-PHX)

Prices were available within the past 7 days and start at S$433 for one-way flights and S$784 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$784 Return, found 1 day ago
S$784
Return
found 1 day ago
Select American Airlines flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$784 found 1 day ago
United
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$798 Return, found 1 day ago
S$798
Return
found 1 day ago
Select United flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$798 found 1 day ago
United
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$809 Return, found 1 day ago
S$809
Return
found 1 day ago
Select United flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$809 found 1 day ago
American Airlines
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,049 Return, found 1 day ago
S$1,049
Return
found 1 day ago
Select American Airlines flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,049 found 1 day ago
United
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,053 Return, found 1 day ago
S$1,053
Return
found 1 day ago
Select United flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,053 found 1 day ago
American Airlines
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,148 Return, found 1 day ago
S$1,148
Return
found 1 day ago
Select American Airlines flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,148 found 1 day ago
American Airlines
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,155 Return, found 1 day ago
S$1,155
Return
found 1 day ago
Select American Airlines flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,155 found 1 day ago
United
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,161 Return, found 1 day ago
S$1,161
Return
found 1 day ago
Select United flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,161 found 1 day ago
United
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,168 Return, found 1 day ago
S$1,168
Return
found 1 day ago
Select United flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,168 found 1 day ago
Delta
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,202 Return, found 1 day ago
S$1,202
Return
found 1 day ago
Select Delta flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,202 found 1 day ago
Delta
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,215 Return, found 1 day ago
S$1,215
Return
found 1 day ago
Select Delta flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,215 found 1 day ago
Delta
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,239 Return, found 1 day ago
S$1,239
Return
found 1 day ago
Select Delta flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,239 found 1 day ago
Delta
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,250 Return, found 1 day ago
S$1,250
Return
found 1 day ago
Select Delta flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,250 found 1 day ago
American Airlines
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,318 Return, found 1 day ago
S$1,318
Return
found 1 day ago
Select American Airlines flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,318 found 1 day ago
United
Wed, 4 Feb - Wed, 11 Feb
ONT
Ontario
PHX
Phoenix
S$1,330 Return, found 1 day ago
S$1,330
Return
found 1 day ago
Select United flight, departing Wed, 4 Feb from Ontario to Phoenix, returning Wed, 11 Feb, priced at S$1,330 found 1 day ago

Find the cheapest month to fly from Ontario (ONT) to Phoenix (PHX)

October is typically the cheapest month to fly

From S$100 - S$196 per traveller.
Ontario to Phoenix route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Sky Harbor Intl.
Return price
S$784
Distance
517 km
Average flight time
2 hours 18 mins

Perfect flights from Ontario to Phoenix

Your Journey from Ontario to Phoenix

Start your unforgettable journey with Expedia. Our broad selection of flights from Ontario to Phoenix caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including American Airlines, United, Delta. Our selection of flights from Los Angeles - Ontario Intl. 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.
 

Maximizing Value with Ontario to Phoenix Flights

Experience the joy of finding cheap flights from Los Angeles - Ontario Intl. 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$433 and roundtrip prices from S$784*.
 

Pre-Flight Essentials

Ensure a smooth journey from Ontario to Phoenix with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Phoenix

Picture yourself stepping off the plane in Phoenix and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Ontario to Phoenix Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Ontario to Phoenix.
 

Beyond the Flight – Exploring Phoenix

With Expedia, your adventure extends beyond the flight. Explore Phoenix at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Ontario to Phoenix with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Ontario to Phoenix with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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$784. 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.

Explore a world of travel with Expedia

*Available to Expedia members.