Cheap flights from Ontario to Phoenix (ONT - PHX)

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The best prices from Ontario to Phoenix are usually found in August or June, booked 60 days in advance, depart on a Saturday or Tuesday and return on a Saturday

How to find the cheapest flight from
Ontario (ONT) to Phoenix (PHX)

All the information you need to plan the best ONT to PHX flight in 2021: compare Ontario to Phoenix flight prices with the expected peak season, weather and rainfall in Phoenix.
ONT - PH1
Price
$128 - $258
PH1
Temperature
55.4 - 95 °F
PH1
Precipitation
0 - 1.1 inches

Popular in

December

High demand for flights, 20% potential price rise

Cheapest in

August

Best time to find cheap flights, 38% potential price drop

Round-trip from

$128

From Ontario to Phoenix

One-way from

$89

One-way flight from Ontario to Phoenix

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Ontario to Phoenix?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Phoenix. Flights to Phoenix from Ontario in August are about $151 on average during August, but can be found for as low as $48.

When is the cheapest time to fly from Ontario to Phoenix (ONT - PH1)?

It’s typically best to fly out from Ontario to Phoenix at noon. Doing so could potentially save you 14% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly round-trip from Ontario to Phoenix?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 30% on the overall cost on flights from Ontario to Phoenix.

How far in advance should I book a flight from Ontario to Phoenix?

Find a great deal and save up to 74% by booking at least 35 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Phoenix within the next two weeks, with the cheapest ticket starting at $200.

Cheap flights from Ontario to Phoenix in October, November 2021

The best prices found for ONT to PHX flights for October, November
6 Nov - 8 Nov
$54pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
8 Nov - 12 Nov
$61pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
28 Oct - 29 Oct
$64pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario

Ontario to Phoenix 2021 flight deals

Cheap flights to Phoenix from Ontario found for this year
6 Nov - 8 Nov
$54pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
8 Nov - 12 Nov
$61pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
17 Dec - 20 Dec
$63pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario

Non-stop flights to Phoenix from Ontario

Save time with Ontario to Phoenix direct flight deals
6 Nov - 8 Nov
$54pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
8 Nov - 12 Nov
$61pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
17 Dec - 20 Dec
$63pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario

Last minute flights from Ontario to Phoenix

Late deals on round-trip flights to Phoenix from Ontario, departing today and this week
22 Oct - 24 Oct
$64pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
21 Oct - 22 Oct
$68pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
22 Oct - 25 Oct
$81pp
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario

One-way flights to Phoenix from Ontario

The cheapest one-way flights from Ontario to Phoenix
9:00 am - 10:19 am
American Airlines
Nonstop
1h 19m
ONT - PHX
American Airlines
6:05 pm - 3:45 am
Frontier
1 Stop
9h 40m
ONT - PHX
Frontier
$90
Travelocity
6:05 pm - 1:10 pm
Multiple Airlines
2 Stops
19h 05m
ONT - PHX
Multiple Airlines
$93
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Phoenix</span> flights.

Flight FAQs

From Ontario to Phoenix

What airport do you fly from for flights from Ontario to Phoenix?

Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Phoenix from Ontario. Booking flights from Ontario (ONT) to Phoenix should be relatively easy as there are 7 daily outbound flights to Phoenix from 7 different airlines.

Which airlines flying from Ontario to Phoenix have flexible cancellations due to COVID-19?

American Airlines, Major Airline, and JSX are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Ontario to Phoenix for under $100 on Cheapflights?

Yes, there are multiple flights from Ontario to Phoenix for under $100. The cheapest flight booked recently is on Frontier for just $54, but on average you can expect to pay $84.

Are there nonstop flights from Ontario to Phoenix for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Ontario to Phoenix under $100. A good price for a nonstop flight from Ontario to Phoenix is less than $85.

Are there last-minute flights available from Ontario to Phoenix for under $100?

There are currently 20+ open flights from Ontario to Phoenix within the next 7 days for less than $100.

How popular is this Ontario to Phoenix flight route?

This flight path from Ontario to Phoenix was viewed by 62 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Ontario to Phoenix round-trip?

Frontier, at $54, was found to be the cheapest airline from Ontario to Phoenix. An alternate airline flying to your destination would be American Airlines. Frontier is 73% cheaper than the average price of flights available within the next 90 days to this destination.

What are the most popular airlines that fly from Ontario to Phoenix?

Before booking your flight from Ontario to Phoenix check out the most popular airlines for this route: Major Airline, American Airlines or Delta.

What are the most reliable airlines from Ontario to Phoenix?

Before booking your flight to Phoenix from Ontario, check out the most reliable airlines to get you to your destination on time: Frontier (95%), SkyWest Airlines (87%), American Airlines( 86%).

What are the cheapest flights from Ontario to Phoenix?

Looking at all options, your cheapest flight can be booked for $88. While the most popular route (Ontario - Phoenix Sky Harbor Intl) can be booked for $58 on average our data indicates $370 when flying from Ontario to Phoenix

COVID Restrictions

View COVID Travel Restrictions for Phoenix, AZ

Do I need a COVID test to fly to Phoenix from Ontario?

Information is based on travel restrictions for travel to Phoenix within the United States

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Phoenix.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Phoenix.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Phoenix.

Do I need a test to fly back to Ontario from Phoenix?

Returning to Ontario from Phoenix

COVID-19 testing requirements
Visitors from Phoenix must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from Phoenix are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Phoenix, AZ

Alternative routes for Ontario to Phoenix

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Phoenix

Things to know before you go - useful duration and weather info for your trip from Ontario to Phoenix.
Flight duration from ONT to Phoenix
1h 20m
Average temperature for October in Phoenix
91.4 °F
Avg rainfall for October in Phoenix
0.6 ″

Airports servicing Ontario

Airports servicing Phoenix

Phoenix-Mesa Gateway (AZA)

Top 4 airlines flying from Ontario to Phoenix

The chart below displays the airlines Cheapflights users traveling from Ontario to Phoenix choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$72 $295 No cancel fee 69%
American Airlines
$142 $278 No cancel fee 71%
JSX
$158 $231 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by JSX. Please check directly on their website for additional information.

Linear Air Taxi
$2,462 $5,300 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Linear Air Taxi. Please check directly on their website for additional information.

Hourly flight availability from Ontario to Phoenix

See what time of day planes typically take off from Ontario towards Phoenix.
Afternoon Noon to 6 PM 56% of ONT to PHX departures
Morning 6 AM to noon 43% of ONT to PHX departures
Early morning Midnight to 6 AM 1% of ONT to PHX departures
Evening 6 PM to midnight 0% of ONT to PHX departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Ontario to Phoenix
See how many times per day planes take to the skies headed from Ontario to Phoenix.
Sunday
4 daily flights
Monday
9 daily flights
Tuesday
7 daily flights
Wednesday
8 daily flights
Thursday
9 daily flights
Friday
9 daily flights
Saturday
3 daily flights
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