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$70+ Cheap flights from Ontario (ONT) to Phoenix

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHX
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from Ontario to Phoenix are usually found in June or July, booked 75 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Ontario to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Phoenix (PH1). 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 November 21, 2024.

Popular in

October

Cheapest in

June

Round-trip from

$148
(Frontier)

One-way from

$70
(Frontier)
High demand for flights, 30% potential price rise
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Best time to find cheap flights, 31% potential price drop
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From Ontario to Phoenix
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One-way flight from Ontario to Phoenix
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Find flight deals from Ontario to Phoenix

Cheapest flights from Ontario to Phoenix
Explore the most affordable flight options available from Ontario to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Frontier deal was found by Cheapflights users on 11/20. 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.
Sat 12/78:04 amONT - PHX
1 stop9h 16mFrontier
Mon 12/98:15 amPHX - ONT
1 stop5h 45mFrontier
Deal found 11/20$148
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Mon 12/166:10 amONT - PHX
Nonstop1h 18mAmerican Airlines
Wed 12/188:42 amPHX - ONT
Nonstop1h 22mAmerican Airlines
Deal found 11/20$152
This Southwest deal was found by Cheapflights users on 11/20. 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.
Thu 12/197:15 pmONT - PHX
Nonstop1h 15mSouthwest
Mon 12/2310:45 pmPHX - ONT
Nonstop1h 15mSouthwest
Deal found 11/20$199
This Travelocity deal was found by Cheapflights users on 11/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:00 amONT - PHX
2 stops7h 47mMultiple Airlines
Sun 12/89:59 pmPHX - ONT
1 stop10h 15mMultiple Airlines
Deal found 11/20$286
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/116:00 amONT - PHX
1 stop7h 42mAlaska Airlines
Thu 12/126:20 amPHX - ONT
2 stops18h 39mAlaska Airlines
Deal found 11/20$326
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/63:20 pmONT - PHX
2 stops7h 37mUnited Airlines
Sat 12/72:20 pmPHX - ONT
2 stops10h 38mUnited Airlines
Deal found 11/20$455

Find flights from Ontario to Phoenix within your budget

Customize your flight search to find flights from Ontario to Phoenix 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Sat 12/7

8:04 am-6:20 pm

1 stop9h 16m

Phoenix Sky Harbor Intl

Mon 12/9

8:15 am-1:00 pm

1 stop5h 45m

$148

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Mon 12/16

6:10 am-8:28 am

Nonstop1h 18m

Phoenix Sky Harbor Intl

Wed 12/18

8:42 am-9:04 am

Nonstop1h 22m

$152

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Sat 1/11

5:40 am-7:50 am

Nonstop1h 10m

Phoenix Sky Harbor Intl

Sat 1/11

11:55 am-5:00 pm

1 stop6h 05m

$172

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 1/31

4:06 pm-10:35 am

2 stops17h 29m

Phoenix Sky Harbor Intl

Mon 2/3

9:22 am-5:57 pm

1 stop9h 35m

$227

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Sat 3/1

6:00 am-11:59 pm

1 stop16h 59m

Phoenix Sky Harbor Intl

Tue 3/4

7:00 am-9:27 pm

1 stop15h 27m

$264

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 12/6

3:20 pm-11:57 pm

2 stops7h 37m

Phoenix Sky Harbor Intl

Sat 12/7

2:20 pm-11:58 pm

2 stops10h 38m

$455

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Sun 12/8

8:59 pm-8:18 am

1 stop10h 19m

$70

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 12/24

10:02 am-12:19 pm

Nonstop1h 17m

$79

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 1/1

3:15 pm-10:30 pm

1 stop6h 15m

$93

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 2/25

4:20 pm-11:59 pm

1 stop6h 39m

$132

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 13 results
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Best time to book a flight from Ontario to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix 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 Phoenix

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

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Phoenix. Price data was last updated on November 15, 2024.

The best time to book flights from Ontario to Phoenix is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Ontario to Phoenix?

Currently, January is the cheapest month in which you can book a flight from Ontario to Phoenix (average of $256). Flying from Ontario to Phoenix in June is currently the most expensive (average of $321). 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 Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

It’s optimal to fly from Ontario to Phoenix in the evening. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Phoenix. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Ontario to Phoenix flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Ontario to Phoenix

Explore weekly flight availability from Ontario to Phoenix. 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 November 21, 2024.

The most flights from ONT to PH1 are scheduled on a Monday (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 Phoenix by month

Plan your trip to Phoenix by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix 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 when rainfall is around 0.0 in.

Temperature in Phoenix by month

Plan your trip to Phoenix by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix, 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 Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated November 21, 2024.
Read through reviews of airlines operating flights from Ontario to Phoenix, such as Frontier, American Airlines and Southwest. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

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
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

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
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

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
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

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
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

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
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

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 Phoenix. 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?

    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 9 daily outbound flights to Phoenix from 4 different airlines.

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

    Frontier, at $148, was found to be the cheapest airline from Ontario to Phoenix.Alternate airlines to your destination round-trip include American Airlines and Southwest. Frontier is 9% 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 one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $70. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Ontario to Phoenix for a low price.

  • 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: Envoy Air (100%), Southwest (90%), American Airlines( 90%).

  • What are the cheapest flights from Ontario to Phoenix?

    Looking at all options, your cheapest flight can be booked for $119. While the most popular route (Ontario - Phoenix Sky Harbor Intl) can be booked for $98 on average our data indicates $343 when flying from Ontario to Phoenix.

  • Can I find deals for flights from Ontario to Phoenix that include hotel bookings?

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

  • How can I find direct flights from Ontario to Phoenix?

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

  • Can I find deals for business class flights from Ontario to Phoenix?

    Yes. Cheapflights offers flight deals from Ontario to Phoenix 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?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Phoenix (average of $256). Flying from Ontario to Phoenix in June is currently the most expensive (average of $321). 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.

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Top 4 airlines flying from Ontario to Phoenix

Discover the top 4 airlines that operate flights from Ontario to Phoenix. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$30Average$60FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$38Average$105FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$116Average$241FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$134Average$268FlexibilityNo cancel feeOn-time71%
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