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$85+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — ONT
4月 20 — 4月 271
週日 4/20
週日 4/27
1 adult, Economy
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Cheap 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 4月 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$160
(Frontier)

One-way from

$85
(Flightnetwork)

Popular in

November

Cheapest in

April

Average price

$291
Provider with most accurate pricing for Tucson-Ontario flight deals.
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Provider most trusted by Cheapflights users for Tucson-Ontario flights.
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From Tucson to Ontario
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One-way flight from Tucson to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 4月 15, 2025.

This Frontier deal was found by Cheapflights users on 4/13. 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.
週日 5/1112:06 pmTUS - ONT
1 stop11h 53mFrontier
週六 5/1712:59 amONT - TUS
1 stop10h 07mFrontier
Deal found 4/13$160
This Delta deal was found by Cheapflights users on 4/14. 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.
週四 5/295:50 amTUS - ONT
1 stop6h 25mDelta
週六 6/76:00 amONT - TUS
1 stop4h 38mDelta
Deal found 4/14$244
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 5/812:17 pmTUS - ONT
1 stop11h 42mMultiple Airlines
週一 5/124:29 pmONT - TUS
1 stop6h 49mMultiple Airlines
Deal found 4/14$292
This Southwest deal was found by Cheapflights users on 4/14. 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.
週四 5/86:40 pmTUS - ONT
1 stop4h 20mSouthwest
週一 5/124:35 pmONT - TUS
2 stops6h 55mSouthwest
Deal found 4/14$298
This United Airlines deal was found by Cheapflights users on 4/15. 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.
週二 5/136:00 amTUS - ONT
1 stop6h 38mUnited Airlines
週二 5/205:05 amONT - TUS
1 stop7h 17mUnited Airlines
Deal found 4/15$311
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
週五 5/911:55 amTUS - ONT
1 stop22h 56mAlaska Airlines
週一 5/124:29 pmONT - TUS
1 stop18h 30mAlaska Airlines
Deal found 4/14$362

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 4月 15, 2025.
Use the filters below to find and compare flights from Tucson to Ontario that are best for you.

Fly from

Tucson

Fly to

Ontario

Route

Depart

Return

Price

TucsonOntario

TUS - ONT

TUSONT

Tucson

週日 5/11

12:06 pm-11:59 pm

1 stop11h 53m

Ontario

週六 5/17

12:59 am-11:06 am

1 stop10h 07m

$160

TucsonOntario

TUS - ONT

TUSONT

Tucson

週四 5/29

5:50 am-12:15 pm

1 stop6h 25m

Ontario

週六 6/7

6:00 am-10:38 am

1 stop4h 38m

$244

TucsonOntario

TUS - ONT

TUSONT

Tucson

週四 5/8

12:17 pm-11:59 pm

1 stop11h 42m

Ontario

週一 5/12

4:29 pm-11:18 pm

1 stop6h 49m

$292

TucsonOntario

TUS - ONT

TUSONT

Tucson

週四 5/8

6:40 pm-11:00 pm

1 stop4h 20m

Ontario

週一 5/12

4:35 pm-11:30 pm

2 stops6h 55m

$298

TucsonOntario

TUS - ONT

TUSONT

Tucson

週二 5/13

6:00 am-12:38 pm

1 stop6h 38m

Ontario

週二 5/20

5:05 am-12:22 pm

1 stop7h 17m

$311

TucsonOntario

TUS - ONT

TUSONT

Tucson

週五 5/9

11:55 am-10:51 am

1 stop22h 56m

Ontario

週一 5/12

4:29 pm-10:59 am

1 stop18h 30m

$362

TucsonOntario

TUS - ONT

TUSONT

Tucson

週日 5/11

12:06 pm-11:59 pm

1 stop11h 53m

$85

TucsonOntario

TUS - ONT

TUSONT

Tucson

週日 4/20

5:30 am-8:59 am

1 stop3h 29m

$119

TucsonOntario

TUS - ONT

TUSONT

Tucson

週日 4/20

5:15 am-11:35 am

2 stops6h 20m

$124

TucsonOntario

TUS - ONT

TUSONT

Tucson

週二 5/13

5:50 am-12:15 pm

1 stop6h 25m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 12 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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 eDreams the most. eDreams 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, August is the cheapest month in which you can book a flight from Tucson to Ontario (average of $246). Flying from Tucson to Ontario in March is currently the most expensive (average of $328). 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 TUS to ONT?

Find hourly flight availability from Tucson 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 4月 15, 2025.

It’s typically best to fly out from Tucson to Ontario in the afternoon. Doing so could potentially save you 12% on the flight price compared to flying in the evening, which is usually more expensive.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 4月 15, 2025.
To help decide which airline to fly from Tucson to Ontario, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,918 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    According to our current data, Frontier ($160), Delta ($244), and Southwest ($298) offers the cheapest pricing from Tucson to Ontario. Frontier is currently priced 54% 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 $85. However, be on the lookout for offers from American Airlines and Southwest, 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, August is the cheapest month in which you can book a flight from Tucson to Ontario (average of $246). Flying from Tucson to Ontario in March is currently the most expensive (average of $328). 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 airline flying from Tucson to Ontario

Discover the top airline 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 4月 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$275Average$353FlexibilityNo cancel feeOn-time71%

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