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$97+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — ONT
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Booking.com)

One-way from

$97
(Trip.com)

Popular in

November

Cheapest in

April

Average price

$354
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
Search Deals
One-way flight from Tucson to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 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 March 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 March 21, 2025.

This Booking.com deal was found by Cheapflights users on 3/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1611:59 amTUS - ONT
1 stop21h 23mFrontier
Wed 4/2312:10 pmONT - TUS
1 stop23h 07mFrontier
Deal found 3/20$210
This Southwest deal was found by Cheapflights users on 3/19. 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 4/293:30 pmTUS - ONT
1 stop6h 15mSouthwest
Wed 4/3010:45 amONT - TUS
1 stop3h 05mSouthwest
Deal found 3/19$212
This American Airlines deal was found by Cheapflights users on 3/20. 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 4/108:51 amTUS - ONT
1 stop3h 08mAmerican Airlines
Mon 4/147:25 pmONT - TUS
1 stop2h 29mAmerican Airlines
Deal found 3/20$217
This Delta deal was found by Cheapflights users on 3/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/175:14 pmTUS - ONT
1 stop6h 27mDelta
Sun 4/206:00 amONT - TUS
1 stop4h 20mDelta
Deal found 3/21$227
This United Airlines deal was found by Cheapflights users on 3/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/243:26 pmTUS - ONT
1 stop7h 29mUnited Airlines
Mon 4/285:00 amONT - TUS
1 stop7h 39mUnited Airlines
Deal found 3/21$318
This Expedia deal was found by Cheapflights users on 3/19. 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.
Fri 5/97:00 amTUS - ONT
1 stop10h 30mMultiple Airlines
Sat 5/1012:59 amONT - TUS
1 stop10h 07mMultiple Airlines
Deal found 3/19$338
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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.
Wed 4/1611:31 amTUS - ONT
2 stops12h 28mAlaska Airlines
Wed 4/234:29 pmONT - TUS
1 stop6h 49mAlaska Airlines
Deal found 3/20$358

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 21, 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

Wed 4/16

11:59 am-9:22 am

1 stop21h 23m

Ontario

Wed 4/23

12:10 pm-11:17 am

1 stop23h 07m

$210

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 4/29

3:30 pm-9:45 pm

1 stop6h 15m

Ontario

Wed 4/30

10:45 am-1:50 pm

1 stop3h 05m

$212

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 4/10

8:51 am-11:59 am

1 stop3h 08m

Ontario

Mon 4/14

7:25 pm-9:54 pm

1 stop2h 29m

$217

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 4/17

5:14 pm-11:41 pm

1 stop6h 27m

Ontario

Sun 4/20

6:00 am-10:20 am

1 stop4h 20m

$227

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 4/24

3:26 pm-10:55 pm

1 stop7h 29m

Ontario

Mon 4/28

5:00 am-12:39 pm

1 stop7h 39m

$318

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 5/9

7:00 am-5:30 pm

1 stop10h 30m

Ontario

Sat 5/10

12:59 am-11:06 am

1 stop10h 07m

$338

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 4/16

11:31 am-11:59 pm

2 stops12h 28m

Ontario

Wed 4/23

4:29 pm-11:18 pm

1 stop6h 49m

$358

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 6/3

12:43 pm-8:51 pm

1 stop8h 08m

$97

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sun 5/25

5:30 am-8:54 am

1 stop3h 24m

$119

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 5/2

5:14 pm-11:41 pm

1 stop6h 27m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 13 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 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, 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 $324). 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 March 21, 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 March 21, 2025.
To help decide which airline to fly from Tucson to Ontario, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,281 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,281 reviews
Southwest
8.1
Very good
4,281 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,759 reviews
Southwest
8.1
Very good
4,281 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,895 reviews
Southwest
8.1
Very good
4,281 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,605 reviews
Southwest
8.1
Very good
4,281 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,281 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 ($210), Southwest ($212), and American Airlines ($217) offers the cheapest pricing from Tucson to Ontario. Frontier is currently priced 40% 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 $97. However, be on the lookout for offers from American Airlines and Delta, 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 $324). 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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$275Average$350FlexibilityNo cancel feeOn-time71%
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