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Ontario

$54+ Cheap flights from Tempe, AZ to Ontario (ONT)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ONT
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from Tempe to Ontario are usually found in September or August, booked 85 days in advance, depart on a Sunday or Monday and return on a Wednesday

Cheap flight deals from Tempe to Ontario

Keep the following information in mind while searching for Tempe to Ontario flight deals. Data was last updated October 28, 2025.

Round-trip from

$110
(Frontier)

One-way from

$54
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$197
From Tempe to Ontario
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One-way flight from Tempe to Ontario
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Highest demand for flights based on searches. 12% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Tempe to Ontario

Cheapest flights from Tempe to Ontario
Explore the most affordable flight options available from Tempe to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Frontier deal was found by Cheapflights users on 10/25. 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 11/1211:38 amPHX - ONT
1 stop10h 04mFrontier
Mon 11/171:46 pmONT - PHX
1 stop8h 17mFrontier
Deal found 10/25$110
This CheapOair deal was found by Cheapflights users on 10/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:01 amPHX - ONT
1 stop15h 56mFrontier
Tue 11/118:45 amONT - PHX
1 stop6h 21mFrontier
Deal found 10/25$116
This Booking.com deal was found by Cheapflights users on 10/27. 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.
Thu 12/47:00 amPHX - ONT
1 stop5h 09mFrontier
Mon 12/85:18 pmONT - PHX
1 stop24h 13mFrontier
Deal found 10/27$117
This Gotogate deal was found by Cheapflights users on 10/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:15 amPHX - ONT
1 stop13h 20mFrontier
Tue 12/96:15 amONT - PHX
1 stop11h 16mFrontier
Deal found 10/26$120
This CheapOair deal was found by Cheapflights users on 10/27. 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.
Wed 12/34:32 pmPHX - ONT
1 stop19h 37mFrontier
Thu 12/410:12 pmONT - PHX
1 stop24h 43mFrontier
Deal found 10/27$122
This Frontier deal was found by Cheapflights users on 10/27. 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.
Tue 11/1111:38 amPHX - ONT
1 stop10h 04mFrontier
Sat 11/158:00 amONT - PHX
1 stop9h 50mFrontier
Deal found 10/27$130
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:17 amPHX - ONT
1 stop13h 40mFrontier
Fri 11/1410:42 pmONT - PHX
1 stop24h 17mFrontier
Deal found 10/26$132
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:26 pmPHX - ONT
1 stop16h 59mFrontier
Wed 12/106:15 amONT - PHX
1 stop11h 16mFrontier
Deal found 10/26$134
This CheapOair deal was found by Cheapflights users on 10/27. 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 11/137:01 amPHX - ONT
1 stop3h 09mFrontier
Thu 11/206:30 amONT - PHX
1 stop14h 08mFrontier
Deal found 10/27$136
This CheapOair deal was found by Cheapflights users on 10/27. 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.
Tue 11/189:05 pmPHX - ONT
1 stop25h 22mFrontier
Thu 11/206:30 amONT - PHX
1 stop14h 08mFrontier
Deal found 10/27$142
This Priceline deal was found by Cheapflights users on 10/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:53 amPHX - ONT
1 stop8h 35mFrontier
Mon 11/107:24 pmONT - PHX
1 stop3h 20mFrontier
Deal found 10/26$143
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Thu 12/47:00 amPHX - ONT
1 stop5h 09mFrontier
Sun 12/74:01 pmONT - PHX
1 stop7h 43mFrontier
Deal found 10/28$144

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tempe to Ontario 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 October 28, 2025.
Use the filters below to find and compare flights from Tempe to Ontario that are best for you.

Fly from

Tempe

Fly to

Ontario

Route

Depart

Return

Price

PhoenixOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Thu 12/4

6:15 am-6:35 pm

1 stop13h 20m

Ontario

Sat 12/6

3:20 pm-12:44 am

1 stop8h 24m

$110

PhoenixOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Wed 1/21

5:12 pm-10:39 pm

1 stop6h 27m

Ontario

Fri 1/30

6:00 am-8:42 pm

2 stops13h 42m

$157

PhoenixOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Fri 12/5

9:16 am-2:25 pm

1 stop6h 09m

Ontario

Sun 12/7

2:59 pm-12:31 am

1 stop8h 32m

$176

PhoenixOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Sun 11/2

10:00 pm-7:17 am

1 stop10h 17m

Ontario

Tue 11/4

8:00 am-6:50 pm

1 stop9h 50m

$176

PhoenixOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Sat 11/1

2:10 pm-8:42 pm

1 stop6h 32m

Ontario

Sun 11/16

4:15 pm-12:13 am

1 stop6h 58m

$202

PhoenixOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Mon 11/17

9:17 am-12:51 pm

1 stop4h 34m

Ontario

Thu 11/20

12:58 am-12:32 am

1 stop22h 34m

$236

PhoenixOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Wed 12/17

5:25 am-9:40 am

1 stop5h 15m

Ontario

Tue 12/30

9:10 pm-11:25 pm

Nonstop1h 15m

$241

PhoenixOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Sat 11/22

8:14 am-6:13 pm

1 stop10h 59m

Ontario

Sun 11/23

12:58 am-8:55 am

1 stop6h 57m

$270

PhoenixOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Tue 12/23

8:27 am-8:48 am

Nonstop1h 21m

Ontario

Fri 12/26

9:53 am-12:11 pm

Nonstop1h 18m

$275

PhoenixOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Mon 12/22

9:02 pm-7:24 am

1 stop11h 22m

Ontario

Mon 12/29

6:00 am-8:48 am

1 stop25h 48m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 21 results
1
2
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Best time to book a flight from Tempe to Ontario

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

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

Use this chart to determine the optimal time to book a round-trip flight from Tempe to Ontario. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Tempe to Ontario, you should look to book at least 85 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 Tempe to Ontario?

Currently, February is the cheapest month in which you can book a flight from Tempe to Ontario (average of $24). Flying from Tempe to Ontario in July is currently the most expensive (average of $79). 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 TM9 to ONT?

Find hourly flight availability from Tempe to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

One of the essential ways to save on airfare from Tempe to Ontario is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 34% on airfare.

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

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

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

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated October 28, 2025.
Read through reviews of airlines operating flights from Tempe to Ontario, such as Southwest, American Airlines, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
11,033 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Related info for your journey

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

    If you book a flight to Ontario from Tempe, you will be flying to 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 Tempe to Ontario per day from 3 different airlines.

  • How long is the flight from Tempe to Ontario?

    A quick flight from Tempe to Ontario can take about 13h 20m. Frontier provides one of the quickest options available for as low as $110. There are 324 mi between Tempe and Ontario.

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

    $116 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Southwest and Frontier, with prices starting from $121 and $125, respectively.

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

    The top 3 most reliable airlines when flying from Tempe to Ontario are SkyWest Airlines (91%), American Airlines (84%) and British Airways (78%).

  • What are the cheapest flights from Tempe to Ontario?

    On average you can expect to pay $308 for a flight from Tempe to Ontario. The cheapest flight overall is $107 while the most popular route, (Phoenix Sky Harbor Intl - Ontario) is currently priced at $110.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Tempe to Ontario (average of $24). Flying from Tempe to Ontario in July is currently the most expensive (average of $79). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Tempe to Ontario

Discover the top 3 airlines that operate flights from Tempe to Ontario. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$158FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$97Average$276FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$98Average$273FlexibilityNo cancel feeOn-time63%

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