$66+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ONT
Aug 7 — Aug 141
Round-trip
1 adult, Economy
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Find cheap flights from Tempe to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Tempe to Ontario are usually found in August or October, booked 85 days in advance, depart on a Saturday or Tuesday and return on a Wednesday
Cheap flight deals from Tempe to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Tempe to OntarioExplore 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 July 8, 2026.
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 July 8, 2026.
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 8/2910:45 am
PHX
- ONT
Nonstop1h 18m
American Airlines
Tue 9/112:59 pm
ONT
- PHX
Nonstop1h 26m
American Airlines
Deal found 7/7![American Airlines logo]()
$129
This Southwest deal was found by Cheapflights users on 7/7. 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.
Wed 9/304:25 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Tue 10/69:15 am
ONT
- PHX
Nonstop1h 15m
Southwest
Deal found 7/7![Southwest logo]()
$131
This Southwest deal was found by Cheapflights users on 7/7. 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.
Wed 9/305:45 pm
PHX
- ONT
1 stop3h 10m
Southwest
Mon 10/58:20 am
ONT
- PHX
Nonstop1h 15m
Southwest
Deal found 7/7![Southwest logo]()
$141
This Southwest deal was found by Cheapflights users on 7/7. 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.
Fri 8/78:05 am
PHX
- ONT
Nonstop1h 15m
Southwest
Mon 8/104:50 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 7/7![Southwest logo]()
$147
This Southwest deal was found by Cheapflights users on 7/7. 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.
Tue 9/87:30 am
PHX
- ONT
1 stop5h 40m
Southwest
Thu 9/1712:00 pm
ONT
- PHX
1 stop4h 15m
Southwest
Deal found 7/7![Southwest logo]()
$150
This Southwest deal was found by Cheapflights users on 7/7. 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.
Tue 9/17:10 am
PHX
- ONT
2 stops6h 25m
Southwest
Tue 9/810:55 am
ONT
- PHX
1 stop3h 55m
Southwest
Deal found 7/7![Southwest logo]()
$156
This Southwest deal was found by Cheapflights users on 7/7. 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.
Mon 9/285:40 am
PHX
- ONT
1 stop4h 15m
Southwest
Tue 10/611:25 am
ONT
- PHX
1 stop6h 20m
Southwest
Deal found 7/7![Southwest logo]()
$158
Best flights from Tempe to OntarioDiscover carefully curated flight deals from Tempe to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
Discover carefully curated flight deals from Tempe to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
This Southwest deal was found by Cheapflights users on 7/7. 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.
Tue 9/15:45 am
PHX
- ONT
1 stop3h 10m
Southwest
Tue 9/81:10 pm
ONT
- PHX
Nonstop1h 25m
Southwest
Deal found 7/7![Southwest logo]()
$141
This Southwest deal was found by Cheapflights users on 7/7. 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.
Mon 8/107:30 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Fri 8/142:40 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 7/7![Southwest logo]()
$147
This Southwest deal was found by Cheapflights users on 7/3. 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 8/217:30 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Tue 8/256:40 am
ONT
- PHX
Nonstop1h 25m
Southwest
Deal found 7/3![Southwest logo]()
$189
This Southwest deal was found by Cheapflights users on 7/5. 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 8/78:05 am
PHX
- ONT
Nonstop1h 15m
Southwest
Mon 8/104:50 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 7/5![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/4. 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.
Thu 10/18:10 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Mon 10/55:20 am
ONT
- PHX
Nonstop1h 15m
Southwest
Deal found 7/4![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/4. 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.
Tue 9/299:00 am
PHX
- ONT
Nonstop1h 25m
Southwest
Tue 9/291:50 pm
ONT
- PHX
1 stop6h 30m
Southwest
Deal found 7/4![Southwest logo]()
$207
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:55 pm
PHX
- ONT
1 stop5h 30m
Southwest
Mon 8/174:50 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 7/6![Southwest logo]()
$207
Last-minute flights from Tempe to OntarioDiscover last-minute flight deals from Tempe to Ontario. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from Tempe to Ontario. Data last updated July 8, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/7. 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.
Tue 8/45:45 am
PHX
- ONT
1 stop3h 10m
Southwest
Tue 8/111:10 pm
ONT
- PHX
Nonstop1h 25m
Southwest
Deal found 7/7![Southwest logo]()
$196
This Southwest deal was found by Cheapflights users on 7/7. 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.
Fri 8/78:05 am
PHX
- ONT
Nonstop1h 15m
Southwest
Mon 8/104:50 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 7/7![Southwest logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sat 8/87:45 am
PHX
- ONT
1 stop7h 29m
Frontier
Wed 8/128:58 am
ONT
- PHX
2 stops32h 59m
Frontier
Deal found 7/3![Frontier logo]()
$175
This Southwest deal was found by Cheapflights users on 7/3. 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.
Sat 8/84:10 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Wed 8/128:35 am
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 7/3![Southwest logo]()
$181
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Sat 8/810:45 am
PHX
- ONT
Nonstop1h 18m
American Airlines
Mon 8/106:15 am
ONT
- PHX
Nonstop1h 23m
American Airlines
Deal found 7/3![American Airlines logo]()
$182
This Southwest deal was found by Cheapflights users on 7/3. 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 8/217:30 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Tue 8/256:40 am
ONT
- PHX
Nonstop1h 25m
Southwest
Deal found 7/3![Southwest logo]()
$189
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 8/2910:45 am
PHX
- ONT
Nonstop1h 18m
American Airlines
Tue 9/112:59 pm
ONT
- PHX
Nonstop1h 26m
American Airlines
Deal found 7/7![American Airlines logo]()
$129
One-way flights from Tempe to OntarioSearch for one-way flight options from Tempe to Ontario. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
Search for one-way flight options from Tempe to Ontario. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
This Southwest deal was found by Cheapflights users on 7/8. 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.
Thu 8/207:30 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Deal found 7/8![Southwest logo]()
$66
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 9/510:45 am
PHX
- ONT
Nonstop1h 18m
American Airlines
Deal found 7/7![American Airlines logo]()
$67
This Southwest deal was found by Cheapflights users on 7/8. 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.
Sat 8/2211:30 am
PHX
- ONT
2 stops8h 35m
Southwest
Deal found 7/8![Southwest logo]()
$81
This Southwest deal was found by Cheapflights users on 7/8. 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 8/218:05 am
PHX
- ONT
Nonstop1h 15m
Southwest
Deal found 7/8![Southwest logo]()
$82
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 9/511:30 am
PHX
- ONT
2 stops6h 50m
Southwest
Deal found 7/7![Southwest logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 9/2910:55 pm
PHX
- ONT
1 stop17h 15m
Frontier
Deal found 7/3![Frontier logo]()
$90
This Southwest deal was found by Cheapflights users on 7/4. 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 9/29:00 am
PHX
- ONT
Nonstop1h 25m
Southwest
Deal found 7/4![Southwest logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 8/42:16 pm
PHX
- ONT
2 stops22h 32m
Frontier
Deal found 7/3![Frontier logo]()
$92
This Southwest deal was found by Cheapflights users on 7/4. 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.
Tue 8/412:55 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Deal found 7/4![Southwest logo]()
$99
Find flight deals from Tempe to Ontario
Keep the following information in mind while searching for Tempe to Ontario flight deals. Data was last updated July 8, 2026.
Round-trip from | $129 (American Airlines) |
|---|---|
One-way from | $66 (Southwest) |
Popular in | July |
Cheapest in | August |
Average price | $331 |
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 July 8, 2026.
Use the filters below to find and compare flights from Tempe to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Tue 9/1
5:45 am-8:55 am
1 stop3h 10m
Ontario
Tue 9/8
1:10 pm-2:35 pm
Nonstop1h 25m
$141
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Mon 8/10
7:30 pm-8:40 pm
Nonstop1h 10m
Ontario
Fri 8/14
2:40 pm-4:00 pm
Nonstop1h 20m
$147
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Fri 8/21
7:30 pm-8:40 pm
Nonstop1h 10m
Ontario
Tue 8/25
6:40 am-8:05 am
Nonstop1h 25m
$189
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Fri 8/7
8:05 am-9:20 am
Nonstop1h 15m
Ontario
Mon 8/10
4:50 pm-6:10 pm
Nonstop1h 20m
$197
Quickest round-trip
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Thu 10/1
8:10 pm-9:20 pm
Nonstop1h 10m
Ontario
Mon 10/5
5:20 am-6:35 am
Nonstop1h 15m
$197
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Tue 9/29
9:00 am-10:25 am
Nonstop1h 25m
Ontario
Tue 9/29
1:50 pm-8:20 pm
1 stop6h 30m
$207
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Fri 8/14
3:55 pm-9:25 pm
1 stop5h 30m
Ontario
Mon 8/17
4:50 pm-6:10 pm
Nonstop1h 20m
$207
Cheapest one-way
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Sat 9/5
8:00 am-12:20 pm
1 stop4h 20m
$75
Quickest one-way
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Mon 8/10
1:55 pm-3:05 pm
Nonstop1h 10m
$99
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Wed 9/9
7:45 pm-8:55 pm
Nonstop1h 10m
$99
Showing 1-10 of 18 resultsSorted by cheapest first
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.
PHX-ONT
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
TM9-ONT
PHX-ONT
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 July 8, 2026.
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 evening tend to be the most expensive. A flight at noon could potentially save you up to 24% on airfare.
Weekly flight availability from Tempe to Ontario
Explore weekly flight availability from Tempe to Ontario. 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 8, 2026.
The most flights from TM9 to ONT are scheduled on a Tuesday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Tempe to Ontario?
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 July 4, 2026.
Travelers seeking maximum savings on their Tempe to Ontario flight should consider departing on Tuesday evenings 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 July 8, 2026.
Read through reviews of airlines operating flights from Tempe to Ontario, such as Southwest,American Airlines, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
7.9
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
7.9
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
7.9
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
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Alternative routes for Tempe to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Tempe to Ontario by cabin class
Find flights from Tempe to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 8, 2026.
Tempe and Ontario flights
Browse other Tempe and Ontario flight options. Last updated on July 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Tempe to Ontario flights
Consider these flights traveling from Tempe to Ontario.
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 July 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$81 | Average$175 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$97 | Average$291 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$97 | Average$264 | FlexibilityNo cancel fee | On-time63% |