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$30+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHX
ene. 13 — ene. 201
lun. 1/13
lun. 1/20
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 enero 8, 2025.

Round-trip from

$48
(Frontier)

One-way from

$30
(Frontier)
From Ontario to Arizona
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One-way flight from Ontario to Arizona
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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 enero 8, 2025.

This Frontier deal was found by Cheapflights users on 1/7. 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.
jue. 2/62:37 pmONT - LAS
Nonstop1h 15mFrontier
jue. 2/136:20 amLAS - ONT
Nonstop1h 06mFrontier
Deal found 1/7$48
This Mytrip deal was found by Cheapflights users on 1/7. 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.
dom. 4/612:59 amONT - PHX
1 stop6h 25mFrontier
vie. 4/115:40 amPHX - ONT
1 stop8h 02mFrontier
Deal found 1/7$136
This Southwest deal was found by Cheapflights users on 1/7. 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.
mar. 1/286:45 amONT - LAS
Nonstop1h 05mSouthwest
mar. 1/2811:50 amLAS - ONT
Nonstop1h 05mSouthwest
Deal found 1/7$140
This eDestinos deal was found by Cheapflights users on 1/6. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/179:36 pmONT - PHX
1 stop12h 25mMultiple Airlines
dom. 1/199:22 amPHX - ONT
1 stop22h 49mMultiple Airlines
Deal found 1/6$167
This Booking.com deal was found by Cheapflights users on 1/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/612:59 amONT - TUS
1 stop9h 54mFrontier
vie. 4/1111:49 amTUS - ONT
1 stop12h 10mFrontier
Deal found 1/7$170
This Southwest deal was found by Cheapflights users on 1/7. 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.
mié. 2/195:35 pmONT - PHX
Nonstop1h 15mSouthwest
sáb. 2/228:55 amPHX - ONT
1 stop7h 20mSouthwest
Deal found 1/7$203
This American Airlines deal was found by Cheapflights users on 1/6. 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.
mié. 1/226:10 amONT - PHX
Nonstop1h 24mAmerican Airlines
vie. 1/246:06 pmPHX - ONT
Nonstop1h 18mAmerican Airlines
Deal found 1/6$230
This Delta deal was found by Cheapflights users on 1/7. 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.
mar. 1/286:00 amONT - TUS
1 stop4h 25mDelta
mié. 1/2912:05 pmTUS - ONT
1 stop5h 23mDelta
Deal found 1/7$257
This Alaska Airlines deal was found by Cheapflights users on 1/7. 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.
mar. 2/44:06 pmONT - TUS
1 stop6h 51mAlaska Airlines
mié. 2/57:44 amTUS - ONT
2 stops10h 20mAlaska Airlines
Deal found 1/7$268
This Alaska Airlines deal was found by Cheapflights users on 1/7. 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.
lun. 2/104:06 pmONT - PHX
2 stops19h 31mAlaska Airlines
mié. 2/125:40 pmPHX - ONT
1 stop7h 18mAlaska Airlines
Deal found 1/7$270
This American Airlines deal was found by Cheapflights users on 1/7. 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.
sáb. 1/186:10 amONT - TUS
1 stop5h 00mAmerican Airlines
sáb. 1/252:42 pmTUS - ONT
1 stop5h 49mAmerican Airlines
Deal found 1/7$276
This Southwest deal was found by Cheapflights users on 1/7. 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.
mié. 2/192:35 pmONT - TUS
2 stops7h 15mSouthwest
sáb. 2/225:25 amTUS - ONT
2 stops7h 55mSouthwest
Deal found 1/7$278

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 enero 8, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

jue. 2/6

7:56 am-9:07 am

Nonstop1h 11m

Las Vegas Harry Reid Intl

sáb. 2/8

6:02 pm-7:09 pm

Nonstop1h 07m

$48

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

dom. 4/6

12:59 am-7:24 am

1 stop6h 25m

Phoenix Sky Harbor Intl

vie. 4/11

5:40 am-1:42 pm

1 stop8h 02m

$136

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

mar. 1/28

6:45 am-7:50 am

Nonstop1h 05m

Las Vegas Harry Reid Intl

mar. 1/28

11:50 am-12:55 pm

Nonstop1h 05m

$140

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

mié. 2/19

6:15 am-8:25 am

Nonstop1h 10m

Phoenix Sky Harbor Intl

sáb. 2/22

12:00 pm-12:20 pm

Nonstop1h 20m

$167

OntarioTucson

ONT - TUS

ONTTUS

Ontario

dom. 4/6

12:59 am-10:53 am

1 stop9h 54m

Tucson

vie. 4/11

11:49 am-11:59 pm

1 stop12h 10m

$170

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

sáb. 2/8

6:00 am-4:44 pm

2 stops9h 44m

Phoenix Sky Harbor Intl

mar. 2/11

7:20 pm-11:47 pm

1 stop5h 27m

$197

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

mié. 1/22

6:10 am-8:34 am

Nonstop1h 24m

Phoenix Sky Harbor Intl

vie. 1/24

6:06 pm-6:24 pm

Nonstop1h 18m

$230

OntarioTucson

ONT - TUS

ONTTUS

Ontario

mar. 1/28

6:00 am-11:25 am

1 stop4h 25m

Tucson

mié. 1/29

12:05 pm-4:28 pm

1 stop5h 23m

$257

OntarioTucson

ONT - TUS

ONTTUS

Ontario

mar. 2/4

4:06 pm-11:57 pm

1 stop6h 51m

Tucson

mié. 2/5

7:44 am-5:04 pm

2 stops10h 20m

$268

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

lun. 2/10

4:06 pm-12:37 pm

2 stops19h 31m

Phoenix Sky Harbor Intl

mié. 2/12

5:40 pm-11:58 pm

1 stop7h 18m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 33 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 enero 8, 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 enero 8, 2025.

The most flights from ONT to USAZ are scheduled on a Tuesday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 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 enero 8, 2025.
Read reviews from past customers who have flown American Airlines, Frontier and Southwest 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
4,648 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

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

Southwest
8.1
Very good
4,648 reviews
Southwest
8.1
Very good
4,648 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,627 reviews
Southwest
8.1
Very good
4,648 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,499 reviews
Southwest
8.1
Very good
4,648 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

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

Avelo Airlines
7.5
Good
74 reviews
Southwest
8.1
Very good
4,648 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

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

United Airlines
7.4
Good
8,939 reviews
Southwest
8.1
Very good
4,648 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

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 $30. However, be on the lookout for offers from Southwest and Avelo Airlines, 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 SkyWest Airlines (100%), British Airways (98%) and Envoy Air (98%).

  • What are the cheapest flights from Ontario to Arizona?

    Looking at all options, your cheapest flight can be booked for $124. While the most popular route (Ontario - Las Vegas Harry Reid Intl) can be booked for $38 on average our data indicates $710 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 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.

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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 2,558,603 searches. Data last updated enero 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$30Average$60FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$38Average$101FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$118Average$309FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$129Average$404FlexibilityNo cancel feeOn-time71%
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