Cheap flights from Phoenix to Ontario (PHX - ONT)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Phoenix to Ontario are usually found in June or August, booked 35 days in advance, depart on a Saturday or Tuesday and return on a Saturday

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

All the information you need to plan the best PHX to ONT flight in 2021: compare Phoenix to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
PHX - ONT
Price
$161 - $241

Popular in

January

High demand for flights, 17% potential price rise

Cheapest in

June

Best time to find cheap flights, 19% potential price drop

Round-trip from

$161

From Phoenix to Ontario

One-way from

$96

One-way flight from Phoenix to Ontario

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

Travelers have found that booking a Friday departure is the best way to save up to 11% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Users have found that booking a flight from Phoenix to Ontario at least 17 days early can save you up to 20% on average compared to booking a flight this week. If booking 17 days before your flight isn’t an option for you, users have found flights from Phoenix to Ontario for as little as $75 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $95 for flights departing within the next 3 days.

What is the cheapest month to fly from Phoenix to Ontario?

April is one of the best times of the year to fly to Ontario from Phoenix. Prices for April average $86 per person but you can even find prices for as low as $43. The most expensive prices can be found in the month of December. Opting for a April flight can save you 23% on your journey compared to booking in April

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

One of the essential ways to save on airfare from Phoenix to Ontario is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 14% on airfare.

Cheap flights from Phoenix to Ontario in August, September 2021

The best prices found for PHX to ONT flights for August, September
30 Sep - 7 Oct
$64pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
19 Aug - 22 Aug
$68pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
13 Aug - 16 Aug
$73pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl

Phoenix to Ontario 2021 flight deals

Cheap flights to Ontario from Phoenix found for this year
30 Sep - 7 Oct
$64pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
19 Aug - 22 Aug
$68pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
13 Aug - 19 Aug
$73pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl

Non-stop flights to Ontario from Phoenix

Save time with Phoenix to Ontario direct flight deals
30 Sep - 7 Oct
$64pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
19 Aug - 22 Aug
$68pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
13 Aug - 19 Aug
$73pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl

Last minute flights from Phoenix to Ontario

Late deals on round-trip flights to Ontario from Phoenix, departing today and this week
13 Aug - 16 Aug
$73pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
9 Aug - 12 Aug
$77pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl
13 Aug - 15 Aug
$82pp
PHX
Phoenix Sky Harbor Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
PHX
Phoenix Sky Harbor Intl

One-way flights to Ontario from Phoenix

The cheapest one-way flights from Phoenix to Ontario
4:56 pm - 8:57 am
Frontier
2 Stops
16h 01m
PHX - ONT
Frontier
$96
Kiwi.com
11:00 am - 6:18 pm
Multiple Airlines
2 Stops
7h 18m
PHX - ONT
Multiple Airlines
$102
Kiwi.com
3:00 am - 12:09 pm
American Airlines
1 Stop
9h 09m
PHX - ONT
American Airlines

Related info for your journey

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

Flight FAQs

From Phoenix to Ontario

Are flight prices decreasing from Phoenix to Ontario due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Phoenix and Ontario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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

Some of our airline partners flying from Phoenix Sky Harbor Intl to Ontario have new flexible policies in place due to COVID-19. American Airlines, Major Airline, and JSX are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

What airports do I use to fly from Phoenix to Ontario?

If you wish to fly to Ontario from Phoenix, then you need to book flights from Phoenix Sky Harbor Intl to Ontario. There are 7 flights from Sky Harbor Intl (PHX) to Ontario (ONT) per day to choose from. Flights to Ontario from Sky Harbor Intl are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 1h 14m is how long a nonstop flight from Phoenix to Ontario typically takes.

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

Yes, there are multiple flights from Phoenix to Ontario for under $100. The cheapest flight booked recently is on Frontier for just $64, but on average you can expect to pay $94.

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

Cheapflights has at least 20 direct flights from Phoenix to Ontario under $100. A good price for a nonstop flight from Phoenix to Ontario is less than $102.

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

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

What days are nonstop flights available from Phoenix to Ontario?

You can find nonstop flights on the following days: Sunday, Monday, Wednesday, Thursday, Friday.

How popular is this flight route?

This flight path from Phoenix Sky Harbor Intl to Ontario was viewed by 307 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in Phoenix or Ontario?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Phoenix is typically greater than that of Ontario. We can gather that this will continue over the next 8 days.

Is Phoenix weather warmer or cooler than Ontario?

Temperatures around the 108 °F's can be experienced in July. The weather in Ontario is colder than in Phoenix. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Phoenix to Ontario?

Departing from Phoenix to Ontario will take you 1h 15m. Most flights are nonstop.

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

Currently priced at $64, Frontier will fly you from Phoenix to Ontario and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $117. Users have found that Frontier is 67% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Phoenix to Ontario one-way?

One-way options have recently been found by users for as low as $34 on Frontier. Another option is American Airlines, who have fights from $49.

COVID Restrictions

View COVID Travel Restrictions for Ontario, CA

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

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

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

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

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

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

Returning to Phoenix Sky Harbor Intl from Ontario

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 Sky Harbor Intl.

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

Hide COVID Travel Restrictions for Ontario, CA

Alternative routes for Phoenix to Ontario

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

Destination information for Ontario

Things to know before you go - useful duration and weather info for your trip from Phoenix to Ontario.
Flight duration
1h 17m

Airports servicing Phoenix

Airports servicing Ontario

Hourly flight availability from Phoenix to Ontario

See what time of day planes typically take off from Phoenix towards Ontario.
Morning 6 AM to noon 46% of PHX to ONT departures
Afternoon Noon to 6 PM 34% of PHX to ONT departures
Evening 6 PM to midnight 19% of PHX to ONT departures
Early morning Midnight to 6 AM 1% of PHX to ONT departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Phoenix to Ontario
See how many times per day planes take to the skies headed from Phoenix to Ontario.
Sunday
8 daily flights
Monday
9 daily flights
Tuesday
4 daily flights
Wednesday
4 daily flights
Thursday
8 daily flights
Friday
9 daily flights
Saturday
7 daily flights
Home North America USA California Ontario Cheap flights from Phoenix to Ontario