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Sky Harbor Intl

$55+ Cheap flights from Ontario (ONT) to Sky Harbor Intl (PHX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHX
fev 25 — mar 41
ter 2/25
ter 3/4
1 adult, Economy
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The best prices from Ontario to Phoenix Sky Harbor Intl are usually found in June or July, booked 56 days in advance, depart on a Friday or Saturday and return on a Wednesday

Cheap flight deals from Ontario to Sky Harbor Intl

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 fevereiro 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$119
(Frontier)

One-way from

$55
(Frontier)

Popular in

December

Cheapest in

June

Average price

$216

Good round-trip deal

$334 or less

Good one-way deal

$169 or less
Provider with most accurate pricing for Ontario-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Ontario-Phoenix Sky Harbor Intl flights.
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From Ontario to Phoenix Sky Harbor Intl
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One-way flight from Ontario to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 30% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Ontario to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Ontario to Phoenix Sky Harbor Intl.
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Find flight deals from Ontario to Sky Harbor Intl

Cheapest flights from Ontario to Sky Harbor Intl
Explore the most affordable flight options available from Ontario to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on fevereiro 20, 2025.

This Frontier deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 4/712:59 amONT - PHX
1 stop8h 57mFrontier
dom 4/135:40 amPHX - ONT
1 stop8h 17mFrontier
Deal found 2/18$119
This Southwest deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/135:30 pmONT - PHX
1 stop4h 25mSouthwest
ter 3/188:00 amPHX - ONT
Nonstop1h 20mSouthwest
Deal found 2/19$127
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 4/1110:00 amONT - PHX
Nonstop1h 18mAmerican Airlines
seg 4/147:43 amPHX - ONT
Nonstop1h 16mAmerican Airlines
Deal found 2/18$132
This Orbitz deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/138:26 amONT - PHX
1 stop4h 48mMultiple Airlines
seg 3/175:00 amPHX - ONT
2 stops13h 19mMultiple Airlines
Deal found 2/18$252
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 3/176:00 amONT - PHX
2 stops13h 38mAlaska Airlines
qui 3/207:00 amPHX - ONT
1 stop16h 59mAlaska Airlines
Deal found 2/19$278

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 2,558,603 searches. Data last updated fevereiro 20, 2025.

Fly from

Ontario

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

seg 4/7

12:59 am-9:56 am

1 stop8h 57m

Phoenix Sky Harbor Intl

dom 4/13

5:40 am-1:57 pm

1 stop8h 17m

$119

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

qui 3/13

5:30 pm-9:55 pm

1 stop4h 25m

Phoenix Sky Harbor Intl

ter 3/18

8:00 am-9:20 am

Nonstop1h 20m

$127

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

sex 4/11

10:00 am-11:18 am

Nonstop1h 18m

Phoenix Sky Harbor Intl

seg 4/14

7:43 am-8:59 am

Nonstop1h 16m

$132

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

qui 3/13

8:26 am-1:14 pm

1 stop4h 48m

Phoenix Sky Harbor Intl

seg 3/17

5:00 am-6:19 pm

2 stops13h 19m

$252

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

seg 3/17

6:00 am-7:38 pm

2 stops13h 38m

Phoenix Sky Harbor Intl

qui 3/20

7:00 am-11:59 pm

1 stop16h 59m

$278

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

qua 3/19

6:00 am-11:11 pm

2 stops17h 11m

Phoenix Sky Harbor Intl

qua 3/26

7:15 am-10:45 pm

1 stop15h 30m

$448

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

qua 4/2

12:59 am-7:24 am

1 stop6h 25m

$55

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

ter 4/8

7:25 pm-8:42 pm

Nonstop1h 17m

$59

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

seg 3/17

7:50 pm-11:50 pm

1 stop4h 00m

$69

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

seg 3/17

6:00 am-10:59 pm

2 stops16h 59m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 12 results
1
2

Compare providers for flights from Ontario to Sky Harbor Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Sky Harbor Intl in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Sky Harbor Intl

Get recent, data-driven insights about flights from Ontario to Sky Harbor Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Sky Harbor Intl. Price data was last updated on February 14, 2025.

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Phoenix Sky Harbor Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ontario to Phoenix Sky Harbor Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Ontario to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Ontario to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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.

What is the cheapest time of day to fly from ONT to PHX?

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 fevereiro 20, 2025.

It’s optimal to fly from Ontario to Phoenix Sky Harbor Intl Airport in the evening. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Sky Harbor Intl. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their Ontario to Phoenix Sky Harbor Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Ontario to Phoenix Sky Harbor Intl Airport

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 fevereiro 20, 2025.

The most flights from ONT to PHX are scheduled on a Thursday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 fevereiro 20, 2025.
To help decide which airline to fly from Ontario to Phoenix, see what other customers have to say about Southwest, Alaska Airlines and Delta. 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.
Southwest
8.1
Very good
4,413 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,413 reviews
Southwest
8.1
Very good
4,413 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,691 reviews
Southwest
8.1
Very good
4,413 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,227 reviews
Southwest
8.1
Very good
4,413 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,768 reviews
Southwest
8.1
Very good
4,413 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,413 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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 4 different airlines.

  • What are the cheapest airlines flying from Ontario to Phoenix Sky Harbor Intl Airport round-trip?

    Currently priced at $119, 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. Search Cheapflights for deals from Southwest and American Airlines - these airlines can fly you to your destination from $127 and $132, respectively. Frontier is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Ontario to Phoenix Sky Harbor Intl Airport one-way?

    $55 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $59 and $69, respectively.

  • 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: British Airways (97%), Envoy Air (94%), SkyWest Airlines (92%).

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

    On average you can expect to pay $620 for a flight from Ontario to Phoenix Sky Harbor Intl Airport. The cheapest flight overall is $83 while the most popular route, (Ontario - Phoenix Sky Harbor Intl) is currently priced at $107.

  • Can I find deals for flights from Ontario to Sky Harbor Intl that include hotel bookings?

    Yes. In addition to deals on Ontario to Sky Harbor Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Sky Harbor Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Sky Harbor Intl.

  • Can I find deals for business class flights from Ontario to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Ontario to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Ontario to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Chandler
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Buckeye
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Surprise
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Alternative routes for Ontario to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ontario to Sky Harbor Intl

Discover the top 4 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 2,558,603 searches. Data last updated fevereiro 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$30Average$60FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$38Average$102FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$135Average$267FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$136Average$271FlexibilityNo cancel feeOn-time71%
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