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Ontario

$86+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — ONT
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Frontier deal was found by Cheapflights users on 3/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:23 pm
TUS
-
ONT
1 stop6h 44m
Frontier
Sun 4/1210:35 pm
ONT
-
TUS
1 stop9h 32m
Frontier
Deal found 3/9$160
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/31:23 pm
TUS
-
ONT
1 stop22h 16m
Frontier
Sun 4/510:35 pm
ONT
-
TUS
1 stop9h 32m
Frontier
Deal found 3/7$216
This Frontier deal was found by Cheapflights users on 3/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2712:04 pm
TUS
-
ONT
1 stop3h 33m
Frontier
Sun 4/510:35 pm
ONT
-
TUS
1 stop9h 32m
Frontier
Deal found 3/9$260
This Trip.com deal was found by Cheapflights users on 3/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2712:04 pm
TUS
-
ONT
1 stop3h 33m
Frontier
Sat 3/282:23 pm
ONT
-
TUS
1 stop17h 51m
Frontier
Deal found 3/9$261
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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.
Tue 5/57:50 am
TUS
-
ONT
1 stop14h 42m
Alaska Airlines
Sat 5/93:26 pm
ONT
-
TUS
1 stop7h 15m
Alaska Airlines
Deal found 3/6$264
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:50 am
TUS
-
ONT
1 stop16h 09m
Alaska Airlines
Thu 5/73:26 pm
ONT
-
TUS
1 stop7h 15m
Alaska Airlines
Deal found 3/7$265
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:30 pm
TUS
-
ONT
1 stop9h 07m
Delta
Sat 5/26:00 am
ONT
-
TUS
1 stop4h 24m
Delta
Deal found 3/7$270
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:50 am
TUS
-
ONT
1 stop14h 42m
Alaska Airlines
Tue 5/510:39 am
ONT
-
TUS
1 stop12h 02m
Alaska Airlines
Deal found 3/7$274

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Frontier)

One-way from

$86
(Expedia)

Popular in

March

Cheapest in

September

Average price

$583
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. 17% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($23 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 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 March 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

Price

Cheapest round-trip

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 5/1

7:50 am-11:59 pm

1 stop16h 09m

Ontario

Sat 5/2

3:26 pm-10:41 pm

1 stop7h 15m

$275

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 5/7

7:50 am-11:59 pm

1 stop16h 09m

Ontario

Mon 5/11

3:26 pm-10:41 pm

1 stop7h 15m

$285

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 5/5

7:50 am-11:48 pm

2 stops15h 58m

Ontario

Sat 5/9

3:26 pm-10:41 pm

1 stop7h 15m

$303
Quickest round-trip

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 3/26

5:50 am-9:20 am

1 stop3h 30m

Ontario

Thu 3/26

4:25 pm-7:40 pm

1 stop3h 15m

$345

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 4/6

5:10 am-12:25 pm

2 stops7h 15m

Ontario

Tue 4/7

5:45 am-11:55 am

2 stops6h 10m

$345

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 6/2

4:52 pm-11:34 pm

1 stop6h 42m

Ontario

Thu 6/4

6:00 am-10:24 am

1 stop4h 24m

$352

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 4/17

6:35 am-1:10 pm

1 stop6h 35m

Ontario

Mon 4/20

5:30 am-9:00 am

1 stop3h 30m

$355

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 5/12

6:29 am-10:21 am

1 stop27h 52m

Ontario

Fri 5/15

11:15 am-9:54 am

1 stop22h 39m

$363

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 5/30

7:05 am-12:19 pm

1 stop5h 14m

Ontario

Mon 6/1

4:57 pm-9:30 pm

1 stop4h 33m

$375

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 4/25

6:00 am-12:38 pm

1 stop6h 38m

Ontario

Sun 5/3

5:00 am-12:37 pm

1 stop7h 37m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 22 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 March.
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, February is the cheapest month in which you can book a flight from Tucson to Ontario (average of $49). Flying from Tucson to Ontario in July is currently the most expensive (average of $177). 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.

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 March 10, 2026.
Peruse reviews from past customers who have flown with American Airlines and Frontier 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.
American Airlines
7.1
Good
11,414 reviews

Comfort

7.2

Overall

7.1

Boarding

7.5

Food

6.4

Crew

7.9

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,414 reviews
American Airlines
7.1
Good
11,414 reviews

Comfort

7.2

Overall

7.1

Boarding

7.5

Food

6.4

Crew

7.9

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
Frontier
5.7
Fair
3,033 reviews
American Airlines
7.1
Good
11,414 reviews

Comfort

7.2

Overall

7.1

Boarding

7.5

Food

6.4

Crew

7.9

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 3h 30m. 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, Frontier ($69), and American Airlines ($243) offers the cheapest pricing from Tucson to Ontario. Frontier is currently priced 79% 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, February is the cheapest month in which you can book a flight from Tucson to Ontario (average of $49). Flying from Tucson to Ontario in July is currently the most expensive (average of $177). 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$69Average$183FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$243Average$390FlexibilityNo cancel feeOn-time71%

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