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$111+ 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 26 days in advance, depart on a Thursday or Tuesday and return on a Friday

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$336
(American Airlines)

One-way from

$111
(Trip.com)

Popular in

November

Cheapest in

March

Average price

$683

Good round-trip deal

$554 or less

Good one-way deal

$263 or less
Provider with most accurate pricing for Denver Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Toronto (YTO) flights.
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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. 15% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/111:15 pmDEN - YYZ
2 stops34h 28mMultiple Airlines
Fri 12/59:45 amYYZ - DEN
1 stop15h 11mMultiple Airlines
Deal found 11/11$338
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:30 amDEN - YYZ
1 stop11h 25mMultiple Airlines
Sat 1/37:55 pmYYZ - DEN
1 stop10h 03mMultiple Airlines
Deal found 11/13$344
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:21 pmDEN - YYZ
1 stop10h 26mMultiple Airlines
Mon 1/58:00 pmYYZ - DEN
1 stop9h 58mMultiple Airlines
Deal found 11/12$345
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:21 pmDEN - YYZ
1 stop9h 59mMultiple Airlines
Wed 1/77:15 amYYZ - DEN
1 stop12h 18mMultiple Airlines
Deal found 11/13$346
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:29 pmDEN - YYZ
2 stops29h 51mMultiple Airlines
Mon 1/58:00 pmYYZ - DEN
1 stop9h 58mMultiple Airlines
Deal found 11/12$348
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:59 amDEN - YYZ
1 stop7h 56mMultiple Airlines
Sun 1/48:00 pmYYZ - DEN
1 stop9h 58mMultiple Airlines
Deal found 11/13$351
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amDEN - YYZ
2 stops11h 55mMultiple Airlines
Mon 1/58:00 pmYYZ - DEN
1 stop9h 58mMultiple Airlines
Deal found 11/12$352
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:00 amDEN - YYZ
1 stop10h 55mMultiple Airlines
Sun 1/48:00 pmYYZ - DEN
1 stop9h 58mMultiple Airlines
Deal found 11/13$353
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Wed 12/109:42 amDEN - YTZ
1 stop9h 33mMultiple Airlines
Wed 12/173:00 pmYTZ - DEN
2 stops19h 56mMultiple Airlines
Deal found 11/10$355
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:59 amDEN - YYZ
1 stop7h 56mMultiple Airlines
Tue 1/67:15 amYYZ - DEN
1 stop10h 25mMultiple Airlines
Deal found 11/13$357
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Mon 11/2411:08 amDEN - YTZ
1 stop5h 49mMultiple Airlines
Thu 11/279:15 amYTZ - DEN
2 stops16h 29mMultiple Airlines
Deal found 11/10$383
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Fri 12/127:45 amDEN - YTZ
1 stop9h 12mMultiple Airlines
Mon 12/159:15 amYTZ - DEN
1 stop6h 47mMultiple Airlines
Deal found 11/10$386

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 November 13, 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 - YTZ

DENYTZ

Denver Intl

Wed 12/10

9:42 am-9:15 pm

1 stop9h 33m

Toronto Island

Wed 12/17

3:00 pm-8:56 am

2 stops19h 56m

$355

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 1/5

8:22 pm-3:35 pm

1 stop17h 13m

Toronto Pearson Intl

Fri 1/9

4:45 pm-11:35 pm

1 stop32h 50m

$373

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Mon 11/24

11:08 am-6:57 pm

1 stop5h 49m

Toronto Island

Thu 11/27

9:15 am-11:44 pm

2 stops16h 29m

$383

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Fri 12/12

7:45 am-6:57 pm

1 stop9h 12m

Toronto Island

Mon 12/15

9:15 am-2:02 pm

1 stop6h 47m

$386

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 12/17

9:33 am-7:55 pm

1 stop8h 22m

Toronto Pearson Intl

Fri 12/19

8:30 am-12:25 am

2 stops17h 55m

$388

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 12/2

6:45 am-3:35 pm

1 stop30h 50m

Toronto Pearson Intl

Fri 12/5

4:45 pm-11:59 pm

1 stop9h 14m

$390

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 12/5

8:20 pm-3:35 pm

1 stop17h 15m

Toronto Pearson Intl

Mon 12/8

4:45 pm-11:59 pm

1 stop9h 14m

$397

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Wed 1/7

6:38 pm-1:10 pm

2 stops16h 32m

Toronto Island

Mon 1/12

9:15 am-10:55 pm

1 stop15h 40m

$405

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 1/7

8:04 am-3:35 pm

2 stops29h 31m

Toronto Pearson Intl

Mon 1/12

4:45 pm-10:53 am

2 stops20h 08m

$408

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Tue 11/25

8:45 pm-1:42 pm

1 stop14h 57m

Toronto Island

Thu 11/27

9:15 am-12:41 am

2 stops17h 26m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 54 results
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Compare providers for flights from Denver to Toronto

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 Denver to Toronto in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Denver-Toronto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Toronto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Toronto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Toronto 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 Denver-Toronto 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 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 November 7, 2025.

The best time to book flights from Denver to Toronto is 26 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, June is the cheapest month in which you can book a flight from Denver to Toronto (average of $129). Flying from Denver to Toronto in January is currently the most expensive (average of $246). 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 November 13, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 26% on flights from Denver to Toronto by exploring options for tickets in the morning.

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 November 13, 2025.

The most flights from DEN to YTO are scheduled on a Wednesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Denver to Toronto?

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

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 November 13, 2025.
See what other customers who have flown with Delta, United Airlines, and WestJet from Denver to Toronto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,015 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,159 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,444 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 5 outbound flights to Toronto per day from 3 airlines. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • How long is the flight from Denver to Toronto?

    Alaska Airlines can get you from Denver to Toronto in just under 17h 13m. Your travel time can differ by up to . There are 1312 mi between Denver and Toronto.

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

    Currently priced at $221, Air Canada will fly you from Denver to Toronto and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and United Airlines - these airlines can fly you to your destination from $258 and $289, respectively. Air Canada is currently priced 54% below the average price you’ll pay for this route.

  • 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 Air Canada (81%), United Airlines (80%) and Austrian Airlines (78%).

  • What are the cheapest flights from Denver to Toronto?

    On average you can expect to pay $548 for a flight from Denver to Toronto. The cheapest flight overall is $225 while the most popular route, (Denver Intl - Toronto Pearson Intl) is currently priced at $233.

  • 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, June is the cheapest month in which you can book a flight from Denver to Toronto (average of $129). Flying from Denver to Toronto in January is currently the most expensive (average of $246). 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

Browse thousands of different options on Cheapflights for your next trip

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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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$221Average$545FlexibilityNo cancel feeOn-time67%
WestJetCheapest$258Average$297FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$289Average$550FlexibilityNo cancel feeOn-time69%

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