Cheap flights from Phoenix to Ontario (PH1 - ONT)

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 to Ontario

All the information you need to plan the best PH1 to ONT flight in 2022: compare Phoenix to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

PH1 - ONT

Price

$161 - $241

ONT

Temperature

53.6 - 78.8 °F

ONT

Precipitation

0.1 - 3.4 inches

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

$88

One-way flight from Phoenix to Ontario

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

Departing on a Friday is a good option for securing a great price. You can expect to save up to 11% when planning your travel around this day of the week.

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

To save up to 71% on this flight, we recommend booking at least 31 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Phoenix to Ontario from $183 1-2 weeks out and tickets from $249 for flights departing within the next 72 hours.

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

Flights from Phoenix to Ontario lean towards being more expensive in December. Prices are generally better when you fly from Phoenix to Ontario in August, with the cheapest ticket starting at $48.

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

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

Cheap flights from Phoenix to Ontario in January, February 2022

The best prices found for Phoenix to ONT flights for January, February
Feb 2 - Feb 5
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 11m
$57

Frontier

View Deal

Deal found 1/18/22

Feb 2 - Feb 5
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 11m
$58

Frontier

View Deal

Deal found 1/15/22

Jan 26 - Jan 31
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 19m
$61

Frontier

View Deal

Deal found 1/16/22

Phoenix to Ontario 2022 flight deals

Cheap flights to Ontario from Phoenix found for this year
Feb 2 - Feb 5
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 11m
$57

Frontier

View Deal

Deal found 1/18/22

Feb 2 - Feb 5
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 11m
$58

Frontier

View Deal

Deal found 1/15/22

Jan 26 - Jan 31
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 19m
$61

Frontier

View Deal

Deal found 1/16/22

Non-stop flights to Ontario from Phoenix

Save time with Phoenix to Ontario direct flight deals
Feb 2 - Feb 5
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 11m
$58

Frontier

View Deal

Deal found 1/15/22

Jan 28 - Jan 31
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 19m
$61

Frontier

View Deal

Deal found 1/15/22

May 2 - May 18
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 15m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 18m
$63

Frontier

View Deal

Deal found 1/16/22

Last minute flights from Phoenix to Ontario

Late deals on return flights to Ontario from Phoenix, departing today and this week
Jan 26 - Jan 31
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 19m
$61

Frontier

View Deal

Deal found 1/16/22

Jan 24 - Jan 31
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 19m
$68

Frontier

View Deal

Deal found 1/17/22

Jan 26 - Jan 29
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
ONT

Ontario

PHX

Phoenix Sky Harbor Intl

Nonstop

1h 19m
$79

Frontier

View Deal

Deal found 1/17/22

One-way flights to Ontario from Phoenix

The cheapest one-way flights from Phoenix to Ontario
Jan 29
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
$27

Frontier

View Deal

Deal found 1/17/22

Jan 28
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 20m
$32

Frontier

View Deal

Deal found 1/16/22

Feb 21
PHX

Phoenix Sky Harbor Intl

ONT

Ontario

Nonstop

1h 16m
$34

Frontier

View Deal

Deal found 1/16/22

Related info for your journey

Useful info, stats and facts about Phoenix to Ontario flights.

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

Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Phoenix to Ontario. 7 airlines have flights to Ontario from Phoenix on a regular basis. Booking flights from Phoenix to Ontario should not be difficult; the airport handles an average of 7 inbound flights from Phoenix per day.

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

Some of our airline partners flying from Phoenix 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.

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 $57, but on average you can expect to pay $83.

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 $90.

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.

How popular is this Phoenix to Ontario flight route?

The Phoenix to Ontario flight path was viewed by 29 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 Phoenix to Ontario round-trip?

Frontier, at $57, was found to be the cheapest airline from Phoenix to Ontario. An alternate airline flying to your destination would be American Airlines. Frontier is 71% 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 Phoenix to Ontario?

Major Airline, American Airlines and Delta are the most popular airlines when flying from Phoenix to Ontario.

What are the most reliable airlines from Phoenix to Ontario?

The top 3 most reliable airlines when flying from Phoenix to Ontario are Frontier (85%), SkyWest Airlines (82%) and American Airlines (77%).

What are the cheapest flights from Phoenix to Ontario?

While on average a flight from Phoenix to Ontario is generally $116, our data shows the cheapest flight currently is $38. When looking at the most popular route, (Phoenix Sky Harbor Intl - Ontario), you can expect to pay $68 for that flight.

Can I fly to Ontario from Phoenix right now?

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

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

COVID-19 testing requirements
Visitors from Phoenix must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Ontario.

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

Can I fly back to Phoenix from Ontario?

Returning to Phoenix from Ontario

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Phoenix.

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

Alternative routes for Phoenix to Ontario

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

Top airline flying from Phoenix to Ontario

The chart below displays the airlines Cheapflights users traveling from Phoenix to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American Airlines
Cheapest$167
Average$268
FlexibilityNo cancel fee
On-time71%
COVID-19 safety

Hourly flight availability from Phoenix to Ontario

See what time of day planes typically take off from Phoenix to Ontario
1%of flight departuresEarly morningMidnight to 6 am
46%of flight departuresMorning6 am to noon
21%of flight departuresAfternoonNoon to 6 pm
32%of flight departuresEvening6 pm to midnight
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
Sunday7daily flights
Monday8daily flights
Tuesday7daily flights
Wednesday8daily flights
Thursday8daily flights
Friday10daily flights
Saturday4daily flights