Arizona

$34+ Cheap flights from Ontario (ONT) to Arizona

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHX
Feb 18 — Feb 251
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Cheap flight deals from Ontario to Arizona

Keep the following information in mind while searching for Ontario to Arizona flight deals. Data was last updated February 13, 2025.

Round-trip from

$44
(Cheapflightsfares)

One-way from

$34
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$157

Good round-trip deal

$335 or less

Good one-way deal

$167 or less
From Ontario to Arizona
One-way flight from Ontario to Arizona
Highest demand for flights based on searches. 17% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Ontario to Arizona.
Price to beat on a one-way flight from Ontario to Arizona.

Find flight deals from Ontario to Arizona

Cheapest flights from Ontario to Arizona
Explore the most affordable flight options available from Ontario to Arizona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/279:35 pmONT - LAS
Nonstop1h 13mFrontier
Sat 3/16:32 pmLAS - ONT
Nonstop1h 07mFrontier
Deal found 2/13$47
This Mytrip deal was found by Cheapflights users on 2/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/212:59 amONT - TUS
1 stop17h 00mFrontier
Wed 3/512:49 pmTUS - ONT
1 stop21h 42mFrontier
Deal found 2/12$113
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 3/2712:49 pmONT - PHX
Nonstop1h 18mAmerican Airlines
Mon 3/317:40 amPHX - ONT
Nonstop1h 22mAmerican Airlines
Deal found 2/12$118
This Frontier deal was found by Cheapflights users on 2/11. 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.
Fri 2/289:35 pmONT - PHX
1 stop9h 12mFrontier
Mon 3/33:14 pmPHX - ONT
1 stop6h 02mFrontier
Deal found 2/11$119
This Southwest deal was found by Cheapflights users on 2/13. 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.
Mon 3/105:05 pmONT - PHX
1 stop4h 40mSouthwest
Thu 3/138:15 amPHX - ONT
Nonstop1h 20mSouthwest
Deal found 2/13$127
This Southwest deal was found by Cheapflights users on 2/12. 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.
Mon 3/174:30 pmONT - LAS
1 stop3h 55mSouthwest
Thu 3/2012:30 pmLAS - ONT
Nonstop1h 05mSouthwest
Deal found 2/12$127
This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/912:59 amONT - PHX
1 stop6h 31mMultiple Airlines
Wed 3/128:00 amPHX - ONT
2 stops13h 27mMultiple Airlines
Deal found 2/11$242
This Southwest deal was found by Cheapflights users on 2/11. 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.
Sat 4/510:50 amONT - TUS
1 stop6h 05mSouthwest
Mon 4/77:05 pmTUS - ONT
1 stop5h 05mSouthwest
Deal found 2/11$277
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/75:10 pmONT - TUS
1 stop4h 35mDelta
Tue 3/115:15 pmTUS - ONT
1 stop6h 41mDelta
Deal found 2/13$292
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 3/157:35 pmONT - TUS
1 stop3h 23mAmerican Airlines
Mon 3/175:30 amTUS - ONT
1 stop6h 29mAmerican Airlines
Deal found 2/11$316
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Tue 3/111:40 pmONT - TUS
1 stop7h 15mUnited Airlines
Wed 3/127:00 amTUS - ONT
1 stop5h 44mUnited Airlines
Deal found 2/13$337
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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.
Mon 3/107:00 amONT - PHX
2 stops13h 00mAlaska Airlines
Wed 3/128:00 amPHX - ONT
2 stops13h 27mAlaska Airlines
Deal found 2/11$358

Find flights from Ontario to Arizona within your budget

Customize your flight search to find flights from Ontario to Arizona 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 February 13, 2025.

Fly from

Ontario

Fly to

Arizona

Route

Depart

Return

Price

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Thu 3/6

2:43 pm-3:58 pm

Nonstop1h 15m

Las Vegas Harry Reid Intl

Mon 3/10

6:20 am-7:26 am

Nonstop1h 06m

$44

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Thu 3/27

12:49 pm-2:07 pm

Nonstop1h 18m

Phoenix Sky Harbor Intl

Mon 3/31

7:40 am-9:02 am

Nonstop1h 22m

$118

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 2/28

7:58 pm-7:41 am

1 stop10h 43m

Phoenix Sky Harbor Intl

Sat 3/1

10:15 pm-9:31 am

1 stop12h 16m

$119

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Mon 3/10

5:05 pm-9:45 pm

1 stop4h 40m

Phoenix Sky Harbor Intl

Thu 3/13

8:15 am-9:35 am

Nonstop1h 20m

$127

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Mon 3/17

4:30 pm-8:25 pm

1 stop3h 55m

Las Vegas Harry Reid Intl

Thu 3/20

12:30 pm-1:35 pm

Nonstop1h 05m

$127

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sun 4/13

12:59 am-10:53 am

1 stop9h 54m

Tucson

Wed 4/16

11:59 am-11:59 pm

1 stop12h 00m

$130

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Sun 3/9

12:59 am-7:30 am

1 stop6h 31m

Phoenix Sky Harbor Intl

Wed 3/12

8:00 am-9:27 pm

2 stops13h 27m

$242

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 3/7

5:10 pm-10:45 pm

1 stop4h 35m

Tucson

Tue 3/11

5:15 pm-11:56 pm

1 stop6h 41m

$292

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sun 3/30

7:35 pm-10:58 pm

1 stop3h 23m

Tucson

Wed 4/2

5:13 pm-10:00 pm

1 stop4h 47m

$316

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 3/7

5:40 am-1:05 pm

2 stops6h 25m

Tucson

Tue 3/11

7:15 pm-10:40 pm

1 stop3h 25m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 35 results
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Best time to book a flight from Ontario to Arizona

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

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

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Arizona (average of $258). Flying from Ontario to Arizona 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 AZ?

Find hourly flight availability from Ontario to Arizona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 13, 2025.

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

Weekly flight availability from Ontario to Arizona

Explore weekly flight availability from Ontario to Arizona. 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 February 13, 2025.

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

Rainfall in Arizona by month

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

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

Temperature in Arizona by month

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

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

Get insights into the airlines that provide service to Arizona. 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 Arizona. Reviews last updated February 13, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Ontario to Arizona. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.