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$32+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHX
Dec 7 — Dec 141
Sat 12/7
Sat 12/14
1 adult, Economy
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Cheap flight deals from Ontario to Arizona

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Arizona (USAZ). 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 2, 2024.

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 December 2, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 12/1. 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.
Sat 12/77:58 pmONT - LAS
Nonstop1h 06mFrontier
Mon 12/910:00 amLAS - ONT
Nonstop1h 08mFrontier
Deal found 12/1$52
This CheapOair deal was found by Cheapflights users on 12/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/195:34 pmONT - PHX
1 stop13h 02mFrontier
Sun 12/228:07 pmPHX - ONT
1 stop12h 02mFrontier
Deal found 12/1$148
This Delta deal was found by Cheapflights users on 12/1. 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.
Tue 12/315:30 amONT - TUS
1 stop4h 55mDelta
Tue 1/76:03 pmTUS - ONT
1 stop6h 50mDelta
Deal found 12/1$289
This American Airlines deal was found by Cheapflights users on 12/1. 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.
Wed 12/2510:02 amONT - PHX
Nonstop1h 17mAmerican Airlines
Sun 12/2911:35 amPHX - ONT
Nonstop1h 31mAmerican Airlines
Deal found 12/1$290
This Southwest deal was found by Cheapflights users on 12/1. 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.
Wed 12/254:05 pmONT - PHX
1 stop3h 55mSouthwest
Sun 12/298:40 amPHX - ONT
Nonstop1h 20mSouthwest
Deal found 12/1$300
This American Airlines deal was found by Cheapflights users on 12/1. 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 12/2610:02 amONT - TUS
1 stop4h 39mAmerican Airlines
Fri 1/36:30 amTUS - ONT
1 stop3h 42mAmerican Airlines
Deal found 12/1$364
This Southwest deal was found by Cheapflights users on 12/1. 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 12/231:55 pmONT - TUS
1 stop9h 10mSouthwest
Mon 12/306:45 amTUS - ONT
2 stops7h 25mSouthwest
Deal found 12/1$379
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/316:00 amONT - TUS
1 stop4h 39mUnited Airlines
Tue 1/71:50 pmTUS - ONT
1 stop5h 14mUnited Airlines
Deal found 12/1$441
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/176:28 pmONT - PHX
2 stops17h 46mUnited Airlines
Wed 12/188:40 pmPHX - ONT
1 stop4h 18mUnited Airlines
Deal found 12/1$492
This Orbitz deal was found by Cheapflights users on 12/1. 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.
Sun 12/298:32 pmONT - PHX
2 stops18h 13mMultiple Airlines
Sun 1/59:56 amPHX - ONT
1 stop3h 33mMultiple Airlines
Deal found 12/1$515
This Alaska Airlines deal was found by Cheapflights users on 11/30. 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.
Sat 12/76:00 amONT - PHX
1 stop13h 48mAlaska Airlines
Mon 12/96:20 amPHX - ONT
1 stop16h 55mAlaska Airlines
Deal found 11/30$548
This American Airlines deal was found by Cheapflights users on 12/1. 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.
Fri 12/136:10 amONT - FLG
1 stop3h 55mAmerican Airlines
Mon 12/162:46 pmFLG - ONT
1 stop4h 41mAmerican Airlines
Deal found 12/1$658

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 2,650,959 searches. Data last updated December 2, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Fri 12/13

1:47 pm-3:01 pm

Nonstop1h 14m

Las Vegas Harry Reid Intl

Mon 12/16

1:56 pm-3:06 pm

Nonstop1h 10m

$48

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Tue 1/14

11:14 am-9:00 pm

2 stops9h 46m

Las Vegas Harry Reid Intl

Fri 1/17

6:05 am-7:11 am

Nonstop1h 06m

$140

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Thu 12/19

5:34 pm-7:36 am

1 stop13h 02m

Phoenix Sky Harbor Intl

Sun 12/22

8:07 pm-7:09 am

1 stop12h 02m

$148

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Sat 1/25

6:00 am-9:43 pm

1 stop14h 43m

Phoenix Sky Harbor Intl

Tue 1/28

8:00 am-5:04 pm

2 stops10h 04m

$207

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Sun 1/12

7:00 am-5:08 pm

2 stops10h 08m

Las Vegas Harry Reid Intl

Fri 1/17

8:20 pm-5:04 pm

1 stop20h 44m

$207

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 1/31

7:01 pm-10:35 am

2 stops14h 34m

Phoenix Sky Harbor Intl

Mon 2/3

2:11 pm-5:57 pm

1 stop4h 46m

$222

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Thu 1/16

5:00 am-7:10 am

Nonstop1h 10m

Phoenix Sky Harbor Intl

Sun 1/19

4:40 pm-5:00 pm

Nonstop1h 20m

$246

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Mon 2/3

7:01 pm-4:43 pm

2 stops20h 42m

Tucson

Fri 2/7

5:23 pm-6:13 pm

2 stops25h 50m

$282

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 1/15

5:10 pm-10:45 pm

1 stop4h 35m

Tucson

Wed 1/22

6:40 am-12:26 pm

1 stop6h 46m

$284

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 12/25

10:02 am-12:19 pm

Nonstop1h 17m

Phoenix Sky Harbor Intl

Sun 12/29

11:35 am-12:06 pm

Nonstop1h 31m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

Showing 1-10 of 36 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 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 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 December 2, 2024.

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 December 2, 2024.

The most flights from ONT to USAZ 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 (3 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 December 2, 2024.
Read reviews from past customers who have flown United Airlines, Frontier and Alaska Airlines 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.
Southwest
8.1
Very good
4,958 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
4,958 reviews
Southwest
8.1
Very good
4,958 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,508 reviews
Southwest
8.1
Very good
4,958 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,713 reviews
Southwest
8.1
Very good
4,958 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,147 reviews
Southwest
8.1
Very good
4,958 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,815 reviews
Southwest
8.1
Very good
4,958 reviews

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Ontario to Arizona. 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 Arizona?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Arizona from Ontario.

  • What are the cheapest airlines to fly from Ontario to Arizona one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $38. However, be on the lookout for offers from Alaska Airlines and Delta, as they are both options that can get you from Ontario to Arizona for a low price.

  • What are the most popular routes from Ontario to Arizona?

    The most popular route from Ontario to Arizona is Ontario - Las Vegas Harry Reid Intl. You may also consider Ontario - Phoenix Sky Harbor Intl or Ontario - Tucson.

  • What are the most reliable airlines from Ontario to Arizona?

    The top 3 most reliable airlines when flying from Ontario to Arizona are Envoy Air (100%), Southwest (90%) and American Airlines (90%).

  • What are the cheapest flights from Ontario to Arizona?

    Looking at all options, your cheapest flight can be booked for $134. While the most popular route (Ontario - Las Vegas Harry Reid Intl) can be booked for $35 on average our data indicates $455 when flying from Ontario to Arizona.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Arizona 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 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 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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Alternative routes for Ontario to Arizona

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 Arizona

Discover the top 4 airlines that operate flights from Ontario to Arizona. 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 2,650,959 searches. Data last updated December 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$30Average$60FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$38Average$104FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$115Average$300FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$132Average$406FlexibilityNo cancel feeOn-time71%
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