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Tempe

$69+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHX
Apr 24 — May 11
Fri 4/24
Fri 5/1
1 adult, Economy
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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 September or August, booked 71 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 March 25, 2026.

This Expedia deal was found by Cheapflights users on 3/24. 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.
Wed 4/2211:44 am
ONT
-
PHX
1 stop6h 13m
Frontier
Wed 4/292:05 pm
PHX
-
ONT
1 stop4h 44m
Frontier
Deal found 3/24$140
This Frontier deal was found by Cheapflights users on 3/25. 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.
Wed 4/227:44 pm
ONT
-
PHX
1 stop4h 05m
Frontier
Tue 4/2812:50 pm
PHX
-
ONT
1 stop11h 05m
Frontier
Deal found 3/25$141
This CheapOair deal was found by Cheapflights users on 3/23. 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.
Fri 5/112:59 am
ONT
-
PHX
1 stop7h 39m
Frontier
Sun 5/37:20 pm
PHX
-
ONT
1 stop12h 44m
Frontier
Deal found 3/23$146
This Booking.com deal was found by Cheapflights users on 3/24. 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.
Wed 4/2912:59 am
ONT
-
PHX
1 stop16h 48m
Frontier
Sat 5/26:52 pm
PHX
-
ONT
1 stop5h 03m
Frontier
Deal found 3/24$147
This Trip.com deal was found by Cheapflights users on 3/21. 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.
Tue 4/217:44 pm
ONT
-
PHX
1 stop4h 05m
Frontier
Sun 4/266:25 am
PHX
-
ONT
1 stop25h 59m
Frontier
Deal found 3/21$150
This CheapOair deal was found by Cheapflights users on 3/24. 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.
Sat 4/2511:44 am
ONT
-
PHX
1 stop5h 08m
Frontier
Mon 4/275:14 pm
PHX
-
ONT
1 stop17h 30m
Frontier
Deal found 3/24$151
This CheapOair deal was found by Cheapflights users on 3/24. 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.
Fri 5/88:30 am
ONT
-
PHX
1 stop10h 05m
Frontier
Sun 5/1010:27 pm
PHX
-
ONT
1 stop9h 22m
Frontier
Deal found 3/24$152
This Booking.com deal was found by Cheapflights users on 3/24. 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.
Wed 4/2912:59 am
ONT
-
PHX
1 stop16h 48m
Frontier
Sun 5/37:20 pm
PHX
-
ONT
1 stop12h 44m
Frontier
Deal found 3/24$153
This Trip.com deal was found by Cheapflights users on 3/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:10 am
ONT
-
PHX
1 stop25h 45m
Frontier
Wed 4/156:51 pm
PHX
-
ONT
1 stop5h 04m
Frontier
Deal found 3/20$156
This Southwest deal was found by Cheapflights users on 3/20. 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.
Mon 5/43:55 pm
ONT
-
PHX
2 stops5h 20m
Southwest
Wed 5/62:50 pm
PHX
-
ONT
2 stops6h 00m
Southwest
Deal found 3/20$157
This Frontier deal was found by Cheapflights users on 3/23. 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.
Thu 4/167:49 pm
ONT
-
PHX
1 stop4h 00m
Frontier
Sat 4/186:51 pm
PHX
-
ONT
1 stop5h 04m
Frontier
Deal found 3/23$160
This Frontier deal was found by Cheapflights users on 3/24. 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 4/106:20 am
ONT
-
PHX
1 stop11h 27m
Frontier
Wed 5/64:29 pm
PHX
-
ONT
1 stop7h 20m
Frontier
Deal found 3/24$161

Find flight deals from Ontario to Tempe

Keep the following information in mind while searching for Ontario to Tempe flight deals. Data was last updated March 25, 2026.

Round-trip from

$140
(Frontier)

One-way from

$69
(Super.com)

Popular in

March

Cheapest in

September

Average price

$328
From Ontario to Tempe
Search Deals
One-way flight from Ontario to Tempe
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 25, 2026.
Use the filters below to find and compare flights from Ontario to Tempe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 4/17

3:00 pm-4:20 pm

Nonstop1h 20m

Phoenix Sky Harbor Intl

Mon 4/20

6:10 pm-11:05 pm

1 stop4h 55m

$147
Quickest round-trip

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 4/22

3:45 pm-5:05 pm

Nonstop1h 20m

Phoenix Sky Harbor Intl

Wed 4/29

1:55 pm-3:05 pm

Nonstop1h 10m

$191

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Sat 5/30

2:50 pm-4:10 pm

Nonstop1h 20m

Phoenix Sky Harbor Intl

Tue 6/2

10:40 am-11:55 am

Nonstop1h 15m

$227

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 5/5

5:50 pm-11:00 pm

1 stop5h 10m

Phoenix Sky Harbor Intl

Thu 5/7

8:05 pm-9:15 pm

Nonstop1h 10m

$237

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Sat 5/23

12:50 pm-6:20 pm

1 stop5h 30m

Phoenix Sky Harbor Intl

Wed 5/27

8:20 pm-9:30 pm

Nonstop1h 10m

$237

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 4/10

3:00 pm-4:20 pm

Nonstop1h 20m

Phoenix Sky Harbor Intl

Sun 4/12

5:05 am-11:05 am

1 stop6h 00m

$264

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Thu 4/23

8:10 am-9:25 am

Nonstop1h 15m

Phoenix Sky Harbor Intl

Tue 4/28

8:30 am-11:35 am

1 stop3h 05m

$311

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 4/22

10:30 am-11:45 am

Nonstop1h 15m

Phoenix Sky Harbor Intl

Mon 4/27

10:55 am-3:50 pm

1 stop4h 55m

$315

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 5/15

3:00 pm-4:20 pm

Nonstop1h 20m

Phoenix Sky Harbor Intl

Sun 5/17

10:55 pm-12:05 am

Nonstop1h 10m

$324
Cheapest one-way

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 5/1

12:59 am-8:38 am

1 stop7h 39m

$70

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 21 resultsSorted by cheapest first
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2
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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 March 13, 2026.

To ensure you get the cheapest price possible for a flight from Ontario to Tempe, you should look to book at least 71 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, November is the cheapest month in which you can book a flight from Ontario to Tempe (average of $39). Flying from Ontario to Tempe in July is currently the most expensive (average of $82). 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 March 25, 2026.

One of the essential ways to save on airfare from Ontario to Tempe is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 17% on airfare.

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 March 23, 2026.

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 afternoons 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 March 25, 2026.

The most flights from ONT to TM9 are scheduled on a Tuesday (16 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Ontario to Tempe?

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 March 25, 2026.
Get a feel of what it's like to fly with Southwest,JetBlue, andAmerican Airlines 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
4,333 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,333 reviews
Southwest
8.0
Very good
4,333 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
JetBlue
7.2
Good
2,904 reviews
Southwest
8.0
Very good
4,333 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.1
Good
11,494 reviews
Southwest
8.0
Very good
4,333 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.7
Fair
3,017 reviews
Southwest
8.0
Very good
4,333 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 11 flights from Ontario to Tempe per day from 4 different airlines.

  • How long is the flight from Ontario to Tempe?

    A quick flight from Ontario to Tempe can take about 1h 20m. Southwest provides one of the quickest options available for as low as $147. The distance between Ontario and Tempe is about 324 mi. Generally, flights for this route are nonstop.

  • 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 Southwest ($48), American Airlines ($58), and Frontier ($66).

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

    Consider Porter Airlines (93%), Southwest (87%) or American Airlines (84%) 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 $722, our data shows the cheapest flight currently is $135. When looking at the most popular route, (Ontario - Phoenix Sky Harbor Intl), you can expect to pay $146 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, November is the cheapest month in which you can book a flight from Ontario to Tempe (average of $39). Flying from Ontario to Tempe in July is currently the most expensive (average of $82). 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 4 airlines flying from Ontario to Tempe

Discover the top 4 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 March 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$168FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$102Average$273FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$124Average$310FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$228Average$308FlexibilityNo cancel feeOn-time62%

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