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Ontario

$106+ Cheap flights from Tucson to Ontario (TUS - 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — ONT
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Tucson to Ontario

Cheapest flights from Tucson to Ontario
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 July 25, 2026.

This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:31 pm
TUS
-
ONT
1 stop7h 03m
Delta
Sat 8/295:05 pm
ONT
-
TUS
1 stop4h 41m
Delta
Deal found 7/23$309
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:05 pm
TUS
-
ONT
1 stop3h 10m
American Airlines
Sat 8/226:15 am
ONT
-
TUS
1 stop3h 26m
American Airlines
Deal found 7/23$310
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:20 pm
TUS
-
ONT
1 stop7h 30m
Southwest
Mon 8/171:15 pm
ONT
-
TUS
2 stops7h 45m
Southwest
Deal found 7/21$314
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:10 pm
TUS
-
ONT
1 stop3h 45m
Southwest
Tue 9/84:45 pm
ONT
-
TUS
1 stop3h 45m
Southwest
Deal found 7/25$315
This Delta deal was found by Cheapflights users on 7/22. 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 8/157:12 am
TUS
-
ONT
1 stop5h 04m
Delta
Sat 8/226:00 am
ONT
-
TUS
1 stop4h 30m
Delta
Deal found 7/22$319
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:46 am
TUS
-
ONT
1 stop6h 29m
American Airlines
Mon 8/1712:59 pm
ONT
-
TUS
1 stop20h 37m
American Airlines
Deal found 7/21$323
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:10 am
TUS
-
ONT
2 stops6h 00m
Southwest
Sun 9/63:40 pm
ONT
-
TUS
2 stops5h 40m
Southwest
Deal found 7/23$324
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:00 pm
TUS
-
ONT
1 stop6h 58m
Delta
Thu 12/246:00 am
ONT
-
TUS
1 stop4h 25m
Delta
Deal found 7/25$325
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:00 pm
TUS
-
ONT
1 stop6h 58m
Delta
Fri 12/256:00 am
ONT
-
TUS
1 stop4h 25m
Delta
Deal found 7/25$327
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/232:37 pm
TUS
-
ONT
1 stop4h 51m
American Airlines
Thu 12/247:18 pm
ONT
-
TUS
1 stop2h 44m
American Airlines
Deal found 7/21$332
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:05 pm
TUS
-
ONT
1 stop3h 10m
American Airlines
Mon 8/176:15 am
ONT
-
TUS
1 stop3h 26m
American Airlines
Deal found 7/21$337

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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

One-way from

$106
(Frontier)

Popular in

March

Cheapest in

September

Average price

$394
Provider with most accurate pricing for Tucson-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Tucson-Ontario flights.
Search Deals
From Tucson to Ontario
Search Deals
One-way flight from Tucson to Ontario
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 2,558,603 searches. Data last updated July 25, 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

Price

Cheapest round-trip
Quickest round-trip

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 8/22

10:40 am-3:15 pm

1 stop4h 35m

Ontario

Tue 8/25

4:45 pm-8:25 pm

1 stop3h 40m

$309

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 9/3

6:10 am-12:10 pm

2 stops6h 00m

Ontario

Sun 9/6

7:05 am-11:05 am

1 stop4h 00m

$319

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 9/19

11:16 am-4:35 pm

1 stop5h 19m

Ontario

Tue 9/22

5:15 pm-9:40 pm

1 stop4h 25m

$337

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 8/20

5:10 am-9:55 am

1 stop4h 45m

Ontario

Fri 8/28

6:20 am-11:15 am

1 stop4h 55m

$346

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 8/15

5:20 am-11:15 am

2 stops5h 55m

Ontario

Mon 8/17

1:15 pm-9:00 pm

2 stops7h 45m

$347

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 12/23

7:10 am-1:55 pm

1 stop7h 45m

Ontario

Thu 12/24

1:25 pm-8:15 pm

2 stops5h 50m

$382

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 8/19

5:30 am-12:50 pm

1 stop7h 20m

Ontario

Sat 8/22

5:00 am-12:27 pm

1 stop7h 27m

$385

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 9/18

2:00 pm-7:20 pm

1 stop5h 20m

Ontario

Sun 9/20

6:40 am-9:50 am

1 stop3h 10m

$390

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 10/1

4:31 pm-11:47 pm

1 stop7h 16m

Ontario

Sun 10/4

6:00 am-10:30 am

1 stop4h 30m

$405

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 10/28

1:30 pm-8:51 pm

1 stop7h 21m

Ontario

Sat 10/31

5:00 am-12:24 pm

1 stop7h 24m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

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

Currently, September is the cheapest month in which you can book a flight from Tucson to Ontario (average of $151). Flying from Tucson to Ontario in March is currently the most expensive (average of $622). 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.

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

Airfare is below average for this route at the moment.

Tucson to Ontario flights typically cost between $318 and $541 in August.
The cheapest round-trip price found within the last 5 days was $309 on Delta (Aug 26-Aug 29).

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 25, 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.
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,233 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,845 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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.

  • How long is the flight from Tucson to Ontario?

    Departing from Tucson to Ontario will take you 4h 35m. The distance from Tucson to Ontario is about 408 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Tucson to Ontario round-trip?

    According to our current data, American Airlines ($243), and Southwest ($290) offers the cheapest pricing from Tucson to Ontario. American Airlines is currently priced 38% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $72. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Tucson to Ontario for a low price.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Tucson to Ontario (average of $151). Flying from Tucson to Ontario in March is currently the most expensive (average of $622). 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 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 2,558,603 searches. Data last updated July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$243Average$368FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$290Average$374FlexibilityNo cancel feeOn-time63%

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