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$132+ Cheap flights from Denver (DEN) to Toronto (YTO)

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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Toronto are usually found in March or January, booked 24 days in advance, depart on a Thursday or Saturday and return on a Wednesday

Cheap flight deals from Denver to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Toronto (YTO). 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 June 12, 2025.

Round-trip from

$248
(Kiwi.com)

One-way from

$132
(Mytrip)

Popular in

November

Cheapest in

March

Average price

$490

Good round-trip deal

$517 or less

Good one-way deal

$203 or less
From Denver Intl to Toronto (YTO)
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One-way flight from Denver Intl to Toronto (YTO)
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Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Denver Intl to Toronto (YTO).
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Price to beat on a one-way flight from Denver Intl to Toronto (YTO).
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Find flight deals from Denver to Toronto

Cheapest flights from Denver to Toronto
Explore the most affordable flight options available from Denver to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Mon 9/112:15 pmDEN - YYZ
2 stops10h 16mWestJet
Sun 9/710:00 amYYZ - DEN
1 stop10h 48mWestJet
Deal found 6/11$248
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Tue 7/112:15 pmDEN - YYZ
2 stops10h 18mMultiple Airlines
Thu 7/39:45 amYYZ - DEN
1 stop15h 23mMultiple Airlines
Deal found 6/10$285
This Trip.com deal was found by Cheapflights users on 6/10. 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.
Tue 7/2212:15 pmDEN - YKF
1 stop10h 31mWestJet
Tue 7/297:45 pmYKF - DEN
1 stop17h 42mWestJet
Deal found 6/10$293
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/312:15 pmDEN - YKF
1 stop15h 00mMultiple Airlines
Sun 9/76:00 amYKF - DEN
1 stop14h 48mMultiple Airlines
Deal found 6/11$342
This SmartFares deal was found by Cheapflights users on 6/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:15 pmDEN - YHM
1 stop10h 25mWestJet
Sun 9/76:00 amYHM - DEN
1 stop14h 48mWestJet
Deal found 6/11$355
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/107:45 amDEN - YYZ
Nonstop3h 13mAir Canada
Sun 8/176:20 pmYYZ - DEN
Nonstop3h 40mAir Canada
Deal found 6/10$383
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2312:15 pmDEN - YHM
1 stop10h 26mMultiple Airlines
Mon 7/288:55 pmYHM - DEN
1 stop16h 32mMultiple Airlines
Deal found 6/10$393
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/38:38 amDEN - YYZ
1 stop6h 12mSun Country Air
Sun 8/106:00 pmYYZ - DEN
1 stop17h 01mSun Country Air
Deal found 6/10$402
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:40 amDEN - YYZ
1 stop9h 19mDelta
Fri 6/203:31 pmYYZ - DEN
1 stop9h 27mDelta
Deal found 6/9$410
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:56 amDEN - YTZ
2 stops30h 57mMultiple Airlines
Sun 9/2112:00 pmYTZ - DEN
2 stops25h 24mMultiple Airlines
Deal found 6/11$412
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Tue 7/19:40 amDEN - YTZ
1 stop8h 06mAir Canada
Tue 7/812:25 pmYTZ - DEN
1 stop7h 55mAir Canada
Deal found 6/11$419
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/87:16 amDEN - YYZ
1 stop14h 08mAmerican Airlines
Fri 9/126:49 amYYZ - DEN
1 stop7h 02mAmerican Airlines
Deal found 6/12$426

Cheapflights Fare Finder

Customize your flight search to find flights from Denver to Toronto 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 June 12, 2025.
Use the filters below to find and compare flights from Denver to Toronto that are best for you.

Fly from

Denver

Fly to

Toronto

Route

Depart

Return

Price

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 9/1

12:15 pm-12:31 am

2 stops10h 16m

Toronto Pearson Intl

Sun 9/7

10:00 am-6:48 pm

1 stop10h 48m

$248

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 7/1

12:15 pm-12:33 am

2 stops10h 18m

Toronto Pearson Intl

Thu 7/3

9:45 am-11:08 pm

1 stop15h 23m

$285

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Tue 7/22

12:15 pm-12:46 am

1 stop10h 31m

Toronto Region of Waterloo Intl

Tue 7/29

7:45 pm-11:27 am

1 stop17h 42m

$293

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Wed 9/3

12:15 pm-5:15 am

1 stop15h 00m

Toronto Region of Waterloo Intl

Sun 9/7

6:00 am-6:48 pm

1 stop14h 48m

$342

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Tue 9/2

12:15 pm-12:40 am

1 stop10h 25m

Hamilton

Sun 9/7

6:00 am-6:48 pm

1 stop14h 48m

$355

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 8/10

7:45 am-12:58 pm

Nonstop3h 13m

Toronto Pearson Intl

Sun 8/17

6:20 pm-8:00 pm

Nonstop3h 40m

$383

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Wed 7/23

12:15 pm-12:41 am

1 stop10h 26m

Hamilton

Mon 7/28

8:55 pm-11:27 am

1 stop16h 32m

$393

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 8/3

8:38 am-4:50 pm

1 stop6h 12m

Toronto Pearson Intl

Sun 8/10

6:00 pm-9:01 am

1 stop17h 01m

$402

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 9/4

8:56 am-5:53 pm

2 stops30h 57m

Toronto Island

Sun 9/21

12:00 pm-11:24 am

2 stops25h 24m

$412

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Tue 7/1

9:40 am-7:46 pm

1 stop8h 06m

Toronto Island

Tue 7/15

12:25 pm-6:20 pm

1 stop7h 55m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 26 results
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The best insider tips for Denver to Toronto flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Toronto trip
Airports
DEN

For a quick security check, reserve a time online at DEN. This option is available for general screening only.

Read more about DENby Emily Zemler
YYZ

Use public transportation from YYZ to avoid traffic. The TTC and GO Transit offer express buses to downtown and suburbs.

Read more about YYZby Kaitlyn McInnis
Our travel experts
Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYZ

Kaitlyn McInnis

Kaitlyn McInnis

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Denver to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Denver 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 Denver to Toronto

How far ahead should I book a flight from Denver to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Toronto. Price data was last updated on June 9, 2025.

The best time to book flights from Denver to Toronto is 24 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Denver to Toronto?

Currently, January is the cheapest month in which you can book a flight from Denver to Toronto (average of $243). Flying from Denver to Toronto in July is currently the most expensive (average of $353). 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 DEN to YTO?

Find hourly flight availability from Denver to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 67% on flights from Denver to Toronto by exploring options for tickets at noon.

Weekly flight availability from Denver to Toronto

Explore weekly flight availability from Denver to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from DEN to YTO are scheduled on a Monday (11 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Toronto by month

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

In terms of precipitation, rainfall in Toronto 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 Toronto when rainfall is around 2.0 in.

Temperature in Toronto by month

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

If weather is an important factor for your trip to Toronto, 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 Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Denver to Toronto. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Related info for your journey

Find useful and relevant information for your journey from Denver to Toronto. 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 Denver to Toronto?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Toronto. On average, Denver Intl has 10 outbound flights to Toronto per day from 3 airlines. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • What are the cheapest airlines flying from Denver to Toronto round-trip?

    Currently priced at $248, WestJet will fly you from Denver to Toronto and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Sun Country Air - these airlines can fly you to your destination from $383 and $402, respectively. WestJet is currently priced 48% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Denver to Toronto one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $132. Users have also found prices from $167 and $175 on Air Canada and American Airlines, respectively.

  • What are the most popular routes from Denver to Toronto?

    While some choose either Denver Intl - Toronto Island or Denver Intl - Hamilton, Denver Intl - Toronto Pearson Intl is the most popular route from Denver to Toronto.

  • What are the most reliable airlines from Denver to Toronto?

    The top 3 most reliable airlines when flying from Denver to Toronto are Brussels Airlines (81%), Austrian Airlines (78%) and Air Canada (73%).

  • What are the cheapest flights from Denver to Toronto?

    On average you can expect to pay $1,432 for a flight from Denver to Toronto. The cheapest flight overall is $188 while the most popular route, (Denver Intl - Toronto Pearson Intl) is currently priced at $293.

  • Can I find deals for flights from Denver to Toronto that include hotel bookings?

    Yes. In addition to deals on Denver to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Toronto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Toronto.

  • Can I find deals for business class flights from Denver to Toronto?

    Yes. Cheapflights offers flight deals from Denver to Toronto 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 Denver to Toronto?

    Currently, January is the cheapest month in which you can book a flight from Denver to Toronto (average of $243). Flying from Denver to Toronto in July is currently the most expensive (average of $353). 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 3 airlines flying from Denver to Toronto

Discover the top 3 airlines that operate flights from Denver to Toronto. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$216Average$541FlexibilityNo cancel feeOn-time67%
WestJetCheapest$261Average$323FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$277Average$545FlexibilityNo cancel feeOn-time69%

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