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$229+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — YYZ
May 20 — May 271
Tue 5/20
Tue 5/27
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 May 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$519
(Delta)

One-way from

$272
(Delta)

Popular in

December

Cheapest in

April

Average price

$586
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
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One-way flight from Tucson to Ontario
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 15, 2025.

This Delta deal was found by Cheapflights users on 5/14. 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.
Tue 7/812:55 pmTUS - YUL
2 stops18h 12mDelta
Tue 7/2911:00 amYUL - TUS
2 stops13h 36mDelta
Deal found 5/14$519
This Alaska Airlines deal was found by Cheapflights users on 5/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2212:17 pmTUS - YYZ
1 stop23h 43mAlaska Airlines
Fri 9/264:45 pmYYZ - TUS
1 stop21h 36mAlaska Airlines
Deal found 5/15$538
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/99:22 amTUS - YUL
2 stops21h 23mAmerican Airlines
Wed 7/3010:30 amYUL - TUS
2 stops15h 14mAmerican Airlines
Deal found 5/14$611
This Delta deal was found by Cheapflights users on 5/14. 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.
Fri 6/137:00 amTUS - YYZ
2 stops13h 58mDelta
Fri 6/2010:20 amYYZ - TUS
2 stops14h 32mDelta
Deal found 5/14$638
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:15 pmTUS - YUL
1 stop21h 50mUnited Airlines
Mon 6/24:45 pmYUL - TUS
1 stop20h 57mUnited Airlines
Deal found 5/14$689
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1510:55 amTUS - YYZ
2 stops20h 15mUnited Airlines
Mon 8/189:00 pmYYZ - TUS
2 stops21h 09mUnited Airlines
Deal found 5/14$698
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/27:03 amTUS - YYZ
1 stop13h 25mAmerican Airlines
Mon 7/73:18 pmYYZ - TUS
1 stop10h 26mAmerican Airlines
Deal found 5/15$790
This United deal was found by Cheapflights users on 5/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2110:53 amTUS - YUL
2 stops22h 06mMultiple Airlines
Thu 6/268:05 amYUL - TUS
1 stop13h 38mMultiple Airlines
Deal found 5/15$815
This Expedia deal was found by Cheapflights users on 5/14. 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.
Fri 12/268:00 amTUS - YYZ
1 stop29h 00mMultiple Airlines
Tue 12/304:00 pmYYZ - TUS
1 stop7h 42mMultiple Airlines
Deal found 5/14$816
This Air Canada deal was found by Cheapflights users on 5/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/96:00 amTUS - YUL
2 stops8h 26mAir Canada
Thu 7/318:05 amYUL - TUS
1 stop7h 23mAir Canada
Deal found 5/14$887
This Air Canada deal was found by Cheapflights users on 5/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/297:30 pmTUS - YTZ
2 stops13h 16mAir Canada
Sun 7/68:25 pmYTZ - TUS
2 stops25h 18mAir Canada
Deal found 5/15$938

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 May 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

TucsonMontreal

TUS - YUL

TUSYUL

Tucson

Tue 7/8

12:55 pm-10:07 am

2 stops18h 12m

Montreal Pierre Elliott Trudeau Intl

Tue 7/29

11:00 am-9:36 pm

2 stops13h 36m

$519

TucsonToronto

TUS - YYZ

TUSYYZ

Tucson

Mon 9/22

12:17 pm-3:00 pm

1 stop23h 43m

Toronto Pearson Intl

Fri 9/26

4:45 pm-11:21 am

1 stop21h 36m

$538

TucsonMontreal

TUS - YUL

TUSYUL

Tucson

Wed 7/9

9:22 am-9:45 am

2 stops21h 23m

Montreal Pierre Elliott Trudeau Intl

Wed 7/30

10:30 am-10:44 pm

2 stops15h 14m

$611

TucsonToronto

TUS - YYZ

TUSYYZ

Tucson

Fri 6/13

7:00 am-11:58 pm

2 stops13h 58m

Toronto Pearson Intl

Fri 6/20

10:20 am-9:52 pm

2 stops14h 32m

$638

TucsonMontreal

TUS - YUL

TUSYUL

Tucson

Wed 5/28

7:15 pm-8:05 pm

1 stop21h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 6/2

4:45 pm-10:42 am

1 stop20h 57m

$689

TucsonToronto

TUS - YYZ

TUSYYZ

Tucson

Fri 8/15

10:55 am-10:10 am

2 stops20h 15m

Toronto Pearson Intl

Mon 8/18

9:00 pm-3:09 pm

2 stops21h 09m

$698

TucsonToronto

TUS - YYZ

TUSYYZ

Tucson

Wed 7/2

7:03 am-11:28 pm

1 stop13h 25m

Toronto Pearson Intl

Mon 7/7

3:18 pm-10:44 pm

1 stop10h 26m

$790

TucsonMontreal

TUS - YUL

TUSYUL

Tucson

Sat 6/21

10:53 am-11:59 am

2 stops22h 06m

Montreal Pierre Elliott Trudeau Intl

Thu 6/26

8:05 am-6:43 pm

1 stop13h 38m

$815

TucsonMontreal

TUS - YUL

TUSYUL

Tucson

Wed 7/9

6:00 am-5:26 pm

2 stops8h 26m

Montreal Pierre Elliott Trudeau Intl

Thu 7/31

8:05 am-12:28 pm

1 stop7h 23m

$887

TucsonToronto

TUS - YTZ

TUSYTZ

Tucson

Sun 6/29

7:30 pm-11:46 am

2 stops13h 16m

Toronto Island

Sun 7/6

8:25 pm-6:43 pm

2 stops25h 18m

$938

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 20 results
1
2

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, January is the cheapest month in which you can book a flight from Tucson to Region of Ontario (average of $243). Flying from Tucson to Region of Ontario in July is currently the most expensive (average of $359). 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 May 15, 2025.

When flying from Tucson to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 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 Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 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 May 15, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Tucson to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,731 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,841 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    $272 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $316 and $387, 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, January is the cheapest month in which you can book a flight from Tucson to Region of Ontario (average of $243). Flying from Tucson to Region of Ontario in July is currently the most expensive (average of $359). 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 4 airlines flying from Tucson to Ontario

Discover the top 4 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 May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$317Average$431FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$327Average$348FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$337Average$708FlexibilityNo cancel feeOn-time69%
DeltaCheapest$338Average$375FlexibilityNo cancel feeOn-timeN/A

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