Cheap flights from Ontario (ONT) to Sky Harbor Intl (PHX) from $38

This is the cheapest one-way flight price, found on 12/6. Prices may vary by date and flight preferences.
ONT — PHX
Dec 12 — Dec 191

How to find the cheapest flight from Ontario (ONT) to Sky Harbor Intl (PHX)

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 7, 2023.

Popular in

November

Cheapest in

January

Round-trip from

$238

One-way from

$69
High demand for flights, 22% potential price rise
Best time to find cheap flights, 22% potential price drop
From Ontario to Phoenix Sky Harbor Intl
One-way flight from Ontario to Phoenix Sky Harbor Intl

How far in advance should I book a flight from Ontario to Phoenix Sky Harbor Intl Airport?

To save on the cost of your flight from Ontario to Phoenix Sky Harbor Intl Airport, book at least 37 days before your planned departure. Booking around this time can save you about 103% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $233 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $342.

What is the cheapest month to fly from Ontario to Phoenix Sky Harbor Intl Airport?

Our data shows that January tends to be the cheapest month to fly to Phoenix Sky Harbor Intl Airport from Ontario. Users have commonly found prices around $213 for the month, but tickets can be as low as $69. Due to multiple factors, prepare for potentially higher prices in March.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Phoenix Sky Harbor Intl Airport as you normally would.

Cheap Frontier flights from Ontario to Sky Harbor Intl

Explore cheap flight options specifically provided by Frontier for the route between Ontario and Sky Harbor Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Peruse some of the lowest-priced Frontier flights we've found from Ontario to Phoenix. It's recommended that users confirm their flight details before booking.

Cheap American Airlines flights from Ontario to Sky Harbor Intl

Explore cheap flight options specifically provided by American Airlines for the route between Ontario and Sky Harbor Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Have a look at some of the cheapest available American Airlines flights departing from Ontario and landing in Phoenix. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Cheap Ontario to Sky Harbor Intl flights in December & January 2023

Find cheap flight options from Ontario to Sky Harbor Intl specifically for the months of December and January 2023. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,618,515 searches. Prices were last updated on December 7, 2023.
These are some of the most attractive deals on flights from Ontario to Phoenix in 2023. Check back soon for alternative fares.

Ontario to Sky Harbor Intl 2023 flight deals

Discover exclusive flight deals for travel between Ontario and Sky Harbor Intl in 2023. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
These are some of the most attractive deals on flights from Ontario to Phoenix in 2023. Check back soon for alternative fares.

Non-stop flights to Sky Harbor Intl from Ontario

Discover non-stop flight options from Ontario to Sky Harbor Intl. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
If you're seeking options on non-stop flights from Ontario to Phoenix, check out these fares. Search for alternative flights from Ontario to Phoenix by utilizing the search form above.

Ontario to Sky Harbor Intl flights leaving soon

Find last-minute flight options from Ontario to Sky Harbor Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Have a look at some of the last-minute flights available departing from Ontario to Phoenix. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to Sky Harbor Intl from Ontario

Search for one-way flight options from Ontario to Sky Harbor Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Some of the best available deals we've found on one-way flights from Ontario to Phoenix. Users can also find round-trip Ontario to Phoenix flights by using the search form above.

Find flights from Ontario to Sky Harbor Intl within your budget

Customize your flight search to find flights from Ontario to Sky Harbor Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.

Fly from

Any airport

Fly to

Any airport

Budget

$48 - $148

Route

Depart

Return

Price

OntarioPhoenix Sky Harbor Intl

ONT - PHX

ONTPHX

Ontario

Wed 1/3

Nonstop1h 18m

Phoenix Sky Harbor Intl

Tue 1/9

Nonstop1h 19m

$48

OntarioPhoenix Sky Harbor Intl

ONT - PHX

ONTPHX

Ontario

Fri 3/1

Nonstop1h 23m

Phoenix Sky Harbor Intl

Mon 3/4

Nonstop1h 19m

$55

OntarioPhoenix Sky Harbor Intl

ONT - PHX

ONTPHX

Ontario

Wed 1/3

Nonstop1h 18m

Phoenix Sky Harbor Intl

Sat 1/6

Nonstop1h 17m

$58

OntarioPhoenix Sky Harbor Intl

ONT - PHX

ONTPHX

Ontario

Tue 1/16

1 stop3h 34m

Phoenix Sky Harbor Intl

Wed 2/28

Nonstop1h 19m

$59

OntarioPhoenix Sky Harbor Intl

ONT - PHX

ONTPHX

Ontario

Mon 1/1

Nonstop1h 17m

Phoenix Sky Harbor Intl

Wed 1/10

Nonstop1h 19m

$61

OntarioPhoenix Sky Harbor Intl

ONT - PHX

ONTPHX

Ontario

Wed 1/3

Nonstop1h 18m

Phoenix Sky Harbor Intl

Mon 1/8

Nonstop1h 18m

$63

OntarioPhoenix Sky Harbor Intl

ONT - PHX

ONTPHX

Ontario

Mon 3/4

Nonstop1h 23m

Phoenix Sky Harbor Intl

Thu 3/7

1 stop5h 28m

$64

OntarioPhoenix Sky Harbor Intl

ONT - PHX

ONTPHX

Ontario

Sat 1/6

Nonstop1h 23m

Phoenix Sky Harbor Intl

Sun 1/7

1 stop8h 14m

$101

OntarioPhoenix Sky Harbor Intl

ONT - PHX

ONTPHX

Ontario

Tue 1/16

Nonstop1h 20m

Phoenix Sky Harbor Intl

Sat 1/20

Nonstop1h 26m

$148

Flights are sorted by cheapest first

Deals found on 12/6

Average price of flights to Sky Harbor Intl by month

Plan your trip from Ontario to Sky Harbor Intl by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to Sky Harbor Intl is currently 43.78 USD while a round-trip flight costs 73.00 USD. Price data was last updated on December 3, 2023.

Currently, January is the cheapest month in which you can book a flight from Ontario to Phoenix Sky Harbor Intl Airport (average of $238). Flying from Ontario to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$238

February

$258

March

$335

April

$333

May

$332

June

$356

July

$321

August

$270

September

$264

October

$267

November

$288

December

$257

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sky Harbor Intl. Reviews last updated December 7, 2023.
To help decide which airline to fly from Ontario to Phoenix, see what other customers have to say about Frontier, American Airlines and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

Had to cancel my flight. Hopefully since I bought flight insurance, I will be getting a refund! flights were on time and smooth other than that.

8.1
Very good
1,404 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

Had to cancel my flight. Hopefully since I bought flight insurance, I will be getting a refund! flights were on time and smooth other than that.

Southwest
7.6
Good
1,522 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

Had to cancel my flight. Hopefully since I bought flight insurance, I will be getting a refund! flights were on time and smooth other than that.

7.4
Good
1,902 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

Had to cancel my flight. Hopefully since I bought flight insurance, I will be getting a refund! flights were on time and smooth other than that.

7.2
Good
2,645 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

Had to cancel my flight. Hopefully since I bought flight insurance, I will be getting a refund! flights were on time and smooth other than that.

6.5
Okay
532 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Food

7.2

Reviews

1 / 10

Had to cancel my flight. Hopefully since I bought flight insurance, I will be getting a refund! flights were on time and smooth other than that.

Average temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by selecting the month that matches your preferred temperature. July sees the highest average temperature while December sees the lowest average temperature. Temperature data was last updated on December 3, 2023.

PHX

Temperature

55.4 - 95 °F

Average rainfall in Sky Harbor Intl by month

Keep in mind the precipitation totals in Sky Harbor Intl when planning your trip. Sky Harbor Intl sees an average of 0.67 precipitation per year with the most occurring in July. Precipitation data was last updated on December 3, 2023.

PHX

Rainfall

0 - 1.1 inches

Related info for your journey

Find useful and relevant information for your journey from Ontario to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Phoenix Sky Harbor Intl from Ontario. Booking flights from Ontario (ONT) to Phoenix Sky Harbor Intl should be relatively easy as there are 8 daily outbound flights to Phoenix Sky Harbor Intl from 2 different airlines.

Can I find flights from Ontario to Phoenix Sky Harbor Intl Airport for under $100 on Cheapflights?

Yes, there are multiple flights from Ontario to Phoenix Sky Harbor Intl Airport for under $100. The cheapest flight booked recently is on Frontier for just $48, but on average you can expect to pay $72.

Are there nonstop flights from Ontario to Phoenix Sky Harbor Intl Airport for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Ontario to Phoenix Sky Harbor Intl Airport under $100. A good price for a nonstop flight from Ontario to Phoenix Sky Harbor Intl Airport is less than $88.

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

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

What is the cheapest airline to fly from Ontario to Phoenix Sky Harbor Intl Airport round-trip?

Currently priced at $48, Frontier will fly you from Ontario to Phoenix Sky Harbor Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Frontier is 82% cheaper than the average price of flights available within the next 90 days to this destination.

What are the most reliable airlines from Ontario to Phoenix Sky Harbor Intl Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ontario to Phoenix Sky Harbor Intl Airport on time: Frontier (100%), SkyWest Airlines (97%), British Airways (95%).

What are the cheapest flights from Ontario to Phoenix Sky Harbor Intl Airport?

On average you can expect to pay $919 for a flight from Ontario to Phoenix Sky Harbor Intl Airport. The cheapest flight overall is $85 while the most popular route, (Ontario - Phoenix Sky Harbor Intl) is currently priced at $48.

What does ONT to PHX mean?

ONT stands for Ontario Airport, while PHX stands for Phoenix Sky Harbor Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Ontario to Sky Harbor Intl

Discover the top 2 airlines that operate flights from Ontario to Sky Harbor Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$49Average$121FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$172Average$280FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights to Sky Harbor Intl by cabin class

Hourly flight availability from Ontario to Sky Harbor Intl

Find hourly flight availability from Ontario to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 7, 2023.
22%of flight departuresEarly morningMidnight to 6 am
48%of flight departuresMorning6 am to noon
17%of flight departuresAfternoonNoon to 6 pm
13%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Ontario to Sky Harbor Intl

Explore weekly flight availability from Ontario to Sky Harbor Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 7, 2023.
Sunday9daily flights
Monday10daily flights
Tuesday9daily flights
Wednesday7daily flights
Thursday10daily flights
Friday10daily flights
Saturday7daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Sky Harbor Intl?

Deals for Ontario to Sky Harbor Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Sky Harbor Intl?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Sky Harbor Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Sky Harbor Intl with no change fees?

Need flexible booking options for your flight to Sky Harbor Intl from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Sky Harbor Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sky Harbor Intl from Ontario today and book when prices fit your budget.

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