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Tempe

$48+ Cheap flights from Ontario (ONT) to Tempe, AZ

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHX
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Find cheap flights from Ontario to Tempe with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Ontario to Tempe are usually found in July or August, booked 75 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap flight deals from Ontario to Tempe

Keep the following information in mind while searching for Ontario to Tempe flight deals. Data was last updated July 3, 2025.

Round-trip from

$168
(FlightHub)

One-way from

$48
(American Airlines)

Popular in

December

Cheapest in

July

Average price

$158
From Ontario to Tempe
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One-way flight from Ontario to Tempe
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Highest demand for flights based on searches. 13% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Ontario to Tempe

Cheapest flights from Ontario to Tempe
Explore the most affordable flight options available from Ontario to Tempe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Trip.com deal was found by Cheapflights users on 7/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/47:36 pmONT - PHX
1 stop22h 56mFrontier
Mon 7/76:00 amPHX - ONT
1 stop14h 52mFrontier
Deal found 7/2$167
This Southwest deal was found by Cheapflights users on 7/2. 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.
Fri 11/144:15 pmONT - PHX
1 stop5h 00mSouthwest
Mon 11/172:35 pmPHX - ONT
Nonstop1h 15mSouthwest
Deal found 7/2$171
This American Airlines deal was found by Cheapflights users on 7/2. 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 7/304:45 pmONT - PHX
Nonstop1h 26mAmerican Airlines
Wed 8/64:39 pmPHX - ONT
Nonstop1h 13mAmerican Airlines
Deal found 7/2$214

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Tempe 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 July 3, 2025.
Use the filters below to find and compare flights from Ontario to Tempe that are best for you.

Fly from

Ontario

Fly to

Tempe

Route

Depart

Return

Price

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Mon 8/18

5:21 pm-11:01 am

1 stop17h 40m

Phoenix Sky Harbor Intl

Tue 8/26

7:14 am-11:50 pm

1 stop16h 36m

$168

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 11/14

5:25 am-10:25 am

1 stop4h 00m

Phoenix Sky Harbor Intl

Mon 11/17

2:35 pm-2:50 pm

Nonstop1h 15m

$171

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 7/30

4:45 pm-6:11 pm

Nonstop1h 26m

Phoenix Sky Harbor Intl

Wed 8/6

4:39 pm-5:52 pm

Nonstop1h 13m

$214

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 10/1

1:10 pm-2:31 pm

Nonstop1h 21m

$48

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 11/5

8:30 am-10:45 am

Nonstop1h 15m

$49

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 8/13

5:21 pm-10:44 pm

1 stop5h 23m

$56

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Ontario to Tempe

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

Cheapflights Insights

Everything you need to know about your flight from Ontario to Tempe

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Tempe. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Tempe, you should look to book at least 75 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Tempe (average of $258). Flying from Ontario to Tempe 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 TM9?

Find hourly flight availability from Ontario to Tempe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

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

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Tempe. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Ontario to Tempe

Explore weekly flight availability from Ontario to Tempe. 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 July 3, 2025.

The most flights from ONT to TM9 are scheduled on a Thursday (10 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Tempe

Get insights into the airlines that provide service to Tempe. 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 Tempe. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Southwest, American Airlines, and Frontier from Ontario to Tempe by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Frontier
5.9
Fair
3,286 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

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

    If you book a flight to Tempe from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 4 flights from Ontario to Tempe per day from 3 different airlines.

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

    The cheapest airlines for a one-way flight from Ontario to Tempe are American Airlines ($48), Southwest ($49), and Frontier ($56).

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

    Consider Envoy Air (90%), American Airlines (86%) or Southwest (81%) when booking your flight. These represent the most reliable airlines when flying from Ontario to Tempe.

  • What are the cheapest flights from Ontario to Tempe?

    While on average a flight from Ontario to Tempe is generally $894, our data shows the cheapest flight currently is $124. When looking at the most popular route, (Ontario - Phoenix Sky Harbor Intl), you can expect to pay $97 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Tempe 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 Tempe?

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

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Top 3 airlines flying from Ontario to Tempe

Discover the top 3 airlines that operate flights from Ontario to Tempe. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$128FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$112Average$259FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$126Average$280FlexibilityNo cancel feeOn-time71%

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