$158+ Cheap flights from Tucson to Ontario (TUS - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — ONT
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Tucson 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.Cheap flight deals from Tucson to Ontario
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Best
Last-minute
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Cheapest flights from Tucson to OntarioExplore the most affordable flight options available from Tucson to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Tucson to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/174:40 pm -
1 stop5h 31m
Sat 10/245:03 pm -
1 stop4h 34m
Deal found 9/9![Delta logo]()
$315
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/126:30 pm -
1 stop4h 23m
Thu 10/151:05 pm -
1 stop3h 40m
Deal found 9/10![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/145:25 pm -
1 stop5h 28m
Mon 10/194:29 pm -
1 stop5h 15m
Deal found 9/10![American Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 9/8. 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.
Wed 10/145:40 am -
2 stops6h 20m
Wed 10/215:40 am -
1 stop5h 05m
Deal found 9/8![Southwest logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/153:54 pm -
1 stop7h 48m
Mon 10/196:02 am -
1 stop15h 59m
Deal found 9/9![Alaska Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/1511:53 am -
1 stop3h 23m
Mon 10/196:15 am -
1 stop3h 33m
Deal found 9/10![American Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 9/8. 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.
Wed 9/306:15 am -
2 stops6h 25m
Mon 10/55:15 pm -
1 stop6h 00m
Deal found 9/8![Southwest logo]()
$350
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:42 am -
1 stop3h 32m
Sun 11/16:00 am -
1 stop3h 54m
Deal found 9/8![American Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 9/8. 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 10/16:05 pm -
1 stop5h 50m
Mon 10/55:15 pm -
2 stops6h 15m
Deal found 9/8![Southwest logo]()
$365
Best flights from Tucson to OntarioDiscover carefully curated flight deals from Tucson to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Tucson to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/116:00 pm -
1 stop5h 48m
Sat 1/236:00 am -
1 stop4h 25m
Deal found 9/8![Delta logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 12/128:10 am -
1 stop27h 59m
Tue 12/156:00 am -
1 stop15h 26m
Deal found 9/10![Alaska Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 9/6. 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.
Thu 10/83:00 pm -
1 stop7h 20m
Sat 10/1011:30 am -
2 stops8h 05m
Deal found 9/6![Southwest logo]()
$380
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:30 am -
1 stop7h 04m
Tue 12/155:00 am -
1 stop6h 00m
Deal found 9/8![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/174:40 pm -
1 stop5h 31m
Wed 10/216:00 am -
1 stop4h 24m
Deal found 9/9![Delta logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:12 pm -
1 stop22h 04m
Mon 10/52:13 pm -
1 stop7h 48m
Deal found 9/6![Alaska Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 9/8. 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 10/297:45 am -
2 stops6h 15m
Sun 11/18:35 am -
2 stops7h 35m
Deal found 9/8![Southwest logo]()
$385
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/136:00 pm -
1 stop5h 48m
Tue 1/195:05 pm -
1 stop5h 08m
Deal found 9/8![Delta logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:12 pm -
1 stop22h 04m
Sun 10/46:02 am -
1 stop15h 59m
Deal found 9/6![Alaska Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 9/5. 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.
Thu 11/199:45 am -
1 stop3h 10m
Sun 11/222:45 pm -
1 stop7h 20m
Deal found 9/5![Southwest logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:24 am -
1 stop16h 18m
Sun 10/256:02 am -
1 stop15h 59m
Deal found 9/5![Alaska Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/163:54 pm -
1 stop7h 48m
Sun 10/186:02 am -
1 stop15h 59m
Deal found 9/9![Alaska Airlines logo]()
$388
Last-minute flights from Tucson to OntarioDiscover last-minute flight deals from Tucson to Ontario. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Tucson to Ontario. Data last updated September 10, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/8. 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.
Wed 9/306:15 am -
2 stops6h 25m
Mon 10/55:15 pm -
1 stop6h 00m
Deal found 9/8![Southwest logo]()
$350
This Southwest deal was found by Cheapflights users on 9/8. 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 10/16:05 pm -
1 stop5h 50m
Mon 10/55:15 pm -
2 stops6h 15m
Deal found 9/8![Southwest logo]()
$365
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/126:30 pm -
1 stop4h 23m
Thu 10/151:05 pm -
1 stop3h 40m
Deal found 9/10![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/145:25 pm -
1 stop5h 28m
Mon 10/194:29 pm -
1 stop5h 15m
Deal found 9/10![American Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 9/8. 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.
Wed 10/145:40 am -
2 stops6h 20m
Wed 10/215:40 am -
1 stop5h 05m
Deal found 9/8![Southwest logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/153:54 pm -
1 stop7h 48m
Mon 10/196:02 am -
1 stop15h 59m
Deal found 9/9![Alaska Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/1511:53 am -
1 stop3h 23m
Mon 10/196:15 am -
1 stop3h 33m
Deal found 9/10![American Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/174:40 pm -
1 stop5h 31m
Sat 10/245:03 pm -
1 stop4h 34m
Deal found 9/9![Delta logo]()
$315
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:42 am -
1 stop3h 32m
Sun 11/16:00 am -
1 stop3h 54m
Deal found 9/8![American Airlines logo]()
$360
One-way flights from Tucson to OntarioSearch for one-way flight options from Tucson to Ontario. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Tucson to Ontario. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/174:40 pm -
1 stop5h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$158
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/911:53 am -
1 stop3h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$173
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/247:24 am -
1 stop26h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$177
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 10/55:25 pm -
1 stop5h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$188
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:23 pm -
1 stop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$193
This Priceline deal was found by Cheapflights users on 9/10. 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.
Thu 10/153:54 pm -
1 stop7h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$202
This Priceline deal was found by Cheapflights users on 9/10. 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.
Tue 10/207:24 am -
1 stop10h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$207
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/224:15 pm -
1 stop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$208
This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 10/204:30 pm -
2 stops18h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$213
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 1/153:53 pm -
1 stop19h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 1/293:53 pm -
1 stop19h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$222
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/214:07 pm -
1 stop7h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$223
Find flight deals from Tucson to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Tucson (TUS) to Ontario (ONT). 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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $315 (Delta) |
One-way from | $158 (Delta) |
Popular in | August |
Cheapest in | September |
Average price | $162 |
Cheapflights Fare Finder
Customize your flight search to find flights from Tucson 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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Tucson to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TucsonOntario
TUS Tucson - ONT Ontario
TUSONT
Tucson
Fri 10/30
3:54 pm-1:16 pm
1 stop21h 22m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$177
TucsonOntario
TUS Tucson - ONT Ontario
TUSONT
Tucson
Mon 10/5
6:05 pm-11:50 pm
2 stops5h 45m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$193
TucsonOntario
TUS Tucson - ONT Ontario
TUSONT
Tucson
Thu 10/1
3:26 pm-10:51 pm
1 stop7h 25m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$193
Quickest round-trip
TucsonOntario
TUS Tucson - ONT Ontario
TUSONT
Tucson
Sat 11/14
4:23 pm-8:15 pm
1 stop4h 52m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$193
TucsonOntario
TUS Tucson - ONT Ontario
TUSONT
Tucson
Thu 10/29
3:54 pm-1:16 pm
1 stop21h 22m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$207
TucsonOntario
TUS Tucson - ONT Ontario
TUSONT
Tucson
Wed 10/14
1:40 pm-8:58 pm
1 stop7h 18m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$208
TucsonOntario
TUS Tucson - ONT Ontario
TUSONT
Tucson
Fri 3/5
8:10 am-11:09 am
1 stop27h 59m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$222
TucsonOntario
TUS Tucson - ONT Ontario
TUSONT
Tucson
Tue 10/6
5:15 am-12:46 pm
1 stop7h 31m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$223
TucsonOntario
TUS Tucson - ONT Ontario
TUSONT
Tucson
Mon 1/11
2:40 pm-8:20 pm
1 stop6h 40m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$223
TucsonOntario
TUS Tucson - ONT Ontario
TUSONT
Tucson
Wed 10/28
1:30 pm-8:51 pm
1 stop7h 21m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$223
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Tucson to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Tucson to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Tucson-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tucson-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Tucson-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Tucson-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tucson-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Tucson to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Tucson with our price prediction graph.
TUS-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 Tucson to Ontario
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 September 10, 2026.
Peruse reviews from past customers who have flown with Southwest and American Airlines from Tucson to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Tucson 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 Tucson to Ontario
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Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
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Top 2 airlines flying from Tucson to Ontario
Discover the top 2 airlines that operate flights from Tucson 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$279 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$302 | Average$374 | FlexibilityNo cancel fee | On-time63% |