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$365+ Cheap flights from Tucson (TUS) to Ontario

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — YYZ
Dec 7 — Dec 141
Sun 12/7
Sun 12/14
1 adult, Economy
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Cheap flight deals from Tucson to Ontario

Keep the following information in mind while searching for Tucson to Ontario flight deals. Data was last updated November 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$370
(Kiwi.com)

One-way from

$365
(United)

Popular in

September

Cheapest in

June

Average price

$317
Provider with most accurate pricing for Tucson-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Tucson-Toronto (YTO) flights.
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From Tucson to Ontario
Search Deals
One-way flight from Tucson to Ontario
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Highest demand for flights based on searches. 46% potential increase in price ($654 potential increase over avg. RT price).
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Cheapest flight prices on average. 51% potential price decrease ($256 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 7, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:21 pmTUS - YYZ
2 stops14h 22mMultiple Airlines
Sun 12/148:00 pmYYZ - TUS
1 stop24h 41mMultiple Airlines
Deal found 11/6$370
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:59 amTUS - YYZ
2 stops25h 36mMultiple Airlines
Thu 12/117:55 pmYYZ - TUS
1 stop24h 31mMultiple Airlines
Deal found 11/6$398
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/711:59 amTUS - YYZ
2 stops25h 36mMultiple Airlines
Sun 12/148:00 pmYYZ - TUS
1 stop24h 41mMultiple Airlines
Deal found 11/6$426
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/411:59 amTUS - YYZ
2 stops25h 36mAlaska Airlines
Mon 1/124:45 pmYYZ - TUS
1 stop33h 14mAlaska Airlines
Deal found 11/5$445
This Expedia deal was found by Cheapflights users on 11/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:59 amTUS - YYZ
2 stops25h 36mAlaska Airlines
Sun 12/144:45 pmYYZ - TUS
2 stops30h 44mAlaska Airlines
Deal found 11/6$514
This Travelocity deal was found by Cheapflights users on 11/6. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:59 amTUS - YYZ
2 stops25h 36mAlaska Airlines
Thu 12/114:45 pmYYZ - TUS
2 stops20h 15mAlaska Airlines
Deal found 11/6$540
This Delta deal was found by Cheapflights users on 11/4. 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 12/13:03 pmTUS - YUL
1 stop6h 39mDelta
Thu 12/49:35 amYUL - TUS
2 stops16h 10mDelta
Deal found 11/4$787
This American Airlines deal was found by Cheapflights users on 11/6. 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.
Wed 12/171:43 pmTUS - YUL
1 stop23h 28mAmerican Airlines
Mon 12/224:00 pmYUL - TUS
1 stop9h 56mAmerican Airlines
Deal found 11/6$845
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/18:00 amTUS - YUL
2 stops12h 40mAmerican Airlines
Thu 12/47:30 amYUL - TUS
2 stops15h 30mAmerican Airlines
Deal found 11/4$853
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:53 amTUS - YUL
2 stops9h 49mUnited Airlines
Mon 12/227:00 amYUL - TUS
2 stops16h 58mUnited Airlines
Deal found 11/6$866
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/189:15 amTUS - YUL
2 stops11h 24mAmerican Airlines
Sat 11/227:30 amYUL - TUS
2 stops15h 19mAmerican Airlines
Deal found 11/5$988
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/183:03 pmTUS - YUL
1 stop6h 39mDelta
Sat 11/222:35 pmYUL - TUS
1 stop11h 24mDelta
Deal found 11/5$1,001

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 November 7, 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

TucsonToronto

TUS - YYZ

TUSYYZ

Tucson

Fri 12/5

6:00 am-3:35 pm

1 stop31h 35m

Toronto Pearson Intl

Sun 12/14

8:00 pm-6:41 pm

1 stop24h 41m

$397

TucsonToronto

TUS - YYZ

TUSYYZ

Tucson

Mon 1/26

7:30 am-3:35 pm

2 stops30h 05m

Toronto Pearson Intl

Tue 2/3

4:45 pm-5:28 pm

2 stops26h 43m

$398

TucsonToronto

TUS - YYZ

TUSYYZ

Tucson

Thu 12/4

11:59 am-3:35 pm

2 stops25h 36m

Toronto Pearson Intl

Thu 12/11

7:55 pm-6:26 pm

1 stop24h 31m

$398

TucsonToronto

TUS - YYZ

TUSYYZ

Tucson

Sun 12/7

6:00 am-3:35 pm

1 stop31h 35m

Toronto Pearson Intl

Sun 12/14

8:00 pm-6:41 pm

1 stop24h 41m

$443

TucsonToronto

TUS - YYZ

TUSYYZ

Tucson

Thu 12/4

11:59 am-3:35 pm

2 stops25h 36m

Toronto Pearson Intl

Mon 1/12

4:45 pm-11:59 pm

1 stop33h 14m

$445

TucsonToronto

TUS - YYZ

TUSYYZ

Tucson

Fri 12/5

11:59 am-3:35 pm

2 stops25h 36m

Toronto Pearson Intl

Sun 12/14

4:45 pm-9:29 pm

2 stops30h 44m

$514

TucsonToronto

TUS - YYZ

TUSYYZ

Tucson

Wed 12/3

6:00 am-3:35 pm

1 stop31h 35m

Toronto Pearson Intl

Sat 12/6

4:45 pm-3:45 pm

1 stop25h 00m

$556

TucsonMontreal

TUS - YUL

TUSYUL

Tucson

Mon 12/1

3:03 pm-11:42 pm

1 stop6h 39m

Montreal Pierre Elliott Trudeau Intl

Thu 12/4

9:35 am-11:45 pm

2 stops16h 10m

$787

TucsonMontreal

TUS - YUL

TUSYUL

Tucson

Wed 12/17

5:55 pm-12:20 pm

2 stops16h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 12/22

4:00 pm-10:43 pm

1 stop8h 43m

$850

TucsonMontreal

TUS - YUL

TUSYUL

Tucson

Mon 12/1

8:00 am-10:40 pm

2 stops12h 40m

Montreal Pierre Elliott Trudeau Intl

Thu 12/4

7:30 am-9:00 pm

2 stops15h 30m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 25 results
1
2
3

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 Region of Ontario?

Currently, December is the cheapest month in which you can book a flight from Tucson to Region of Ontario (average of $203). Flying from Tucson to Region of Ontario in September is currently the most expensive (average of $646). 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 ON?

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 November 7, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 56% on flights from Tucson to Region of Ontario by exploring options for tickets in the afternoon.

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 November 7, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Air Canada from Tucson to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,007 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,007 reviews
United Airlines
7.4
Good
9,007 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,040 reviews
United Airlines
7.4
Good
9,007 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,416 reviews
United Airlines
7.4
Good
9,007 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 airport do you fly from for flights from Tucson to Ontario?

    Tucson (TUS), located 7.5 mi from the city center, is the airport you fly out of when you book flights from Tucson to Ontario.

  • How long is the flight from Tucson to Region of Ontario?

    A quick flight from Tucson to Region of Ontario can take about 6h 39m. Alaska Airlines provides one of the quickest options available for as low as $787. The distance from Tucson to Region of Ontario is about 2178 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $396 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $460 and $482, respectively.

  • What are the most popular routes from Tucson to Region of Ontario?

    When deciding which route to take from Tucson to Region of Ontario consider Tucson - Toronto Pearson Intl, Tucson - Montreal Pierre Elliott Trudeau Intl or Tucson - Toronto Island as they are the most popular.

  • 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 Region of Ontario?

    Currently, December is the cheapest month in which you can book a flight from Tucson to Region of Ontario (average of $203). Flying from Tucson to Region of Ontario in September is currently the most expensive (average of $646). 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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Alternative routes for Tucson to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Tucson to Ontario

Discover the top 3 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 November 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$330Average$348FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$337Average$576FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$380Average$608FlexibilityNo cancel feeOn-time71%

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