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$198+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
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 73 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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$281
(Kiwi.com)

One-way from

$198
(Kiwi.com)

Popular in

February

Cheapest in

March

Average price

$506

Good round-trip deal

$479 or less

Good one-way deal

$252 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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High demand for flights, 27% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/141:42 pmDEN - YYZ
2 stops22h 38mMultiple Airlines
Tue 11/1812:40 pmYYZ - DEN
1 stop12h 15mMultiple Airlines
Deal found 9/27$281
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/237:00 amDEN - YYZ
1 stop10h 58mMultiple Airlines
Tue 10/2812:40 pmYYZ - DEN
1 stop17h 19mMultiple Airlines
Deal found 9/27$283
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/2512:00 pmDEN - YYZ
1 stop7h 07mMultiple Airlines
Tue 10/287:15 amYYZ - DEN
1 stop18h 01mMultiple Airlines
Deal found 9/27$298
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/256:38 amDEN - YTZ
1 stop9h 15mMultiple Airlines
Tue 10/287:00 amYTZ - DEN
2 stops18h 16mMultiple Airlines
Deal found 9/27$343
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 12/710:40 pmDEN - YYZ
1 stop29h 40mMultiple Airlines
Sat 12/139:35 amYYZ - DEN
1 stop15h 21mMultiple Airlines
Deal found 9/27$351
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 10/109:08 pmDEN - YYZ
2 stops23h 12mMultiple Airlines
Sun 10/1210:25 pmYYZ - DEN
1 stop14h 59mMultiple Airlines
Deal found 9/26$370
This Justfly.com deal was found by Cheapflights users on 9/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:46 pmDEN - YYZ
2 stops18h 49mMultiple Airlines
Wed 11/198:30 amYYZ - DEN
Nonstop3h 53mMultiple Airlines
Deal found 9/29$393
This Air Canada deal was found by Cheapflights users on 9/27. 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.
Sat 11/1511:15 amDEN - YTZ
1 stop8h 20mAir Canada
Tue 11/1812:30 pmYTZ - DEN
1 stop9h 25mAir Canada
Deal found 9/27$481
This Air Canada deal was found by Cheapflights users on 9/28. 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.
Thu 12/411:15 amDEN - YTZ
1 stop8h 20mAir Canada
Mon 12/812:30 pmYTZ - DEN
1 stop9h 25mAir Canada
Deal found 9/28$483
This Air Canada deal was found by Cheapflights users on 9/28. 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.
Thu 12/411:15 amDEN - YTZ
1 stop8h 20mAir Canada
Wed 12/1010:25 amYTZ - DEN
2 stops11h 30mAir Canada
Deal found 9/28$488
This Justfly.com deal was found by Cheapflights users on 9/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:15 amDEN - YTZ
1 stop8h 20mAir Canada
Wed 10/2912:30 pmYTZ - DEN
1 stop9h 25mAir Canada
Deal found 9/28$527
This Air Canada deal was found by Cheapflights users on 9/28. 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 12/311:15 amDEN - YTZ
1 stop8h 20mAir Canada
Wed 12/1012:30 pmYTZ - DEN
1 stop9h 25mAir Canada
Deal found 9/28$542

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 September 29, 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

Sat 10/25

6:38 am-5:53 pm

1 stop9h 15m

Toronto Island

Tue 10/28

3:45 pm-10:05 am

1 stop20h 20m

$353

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 11/12

1:23 pm-3:35 pm

1 stop24h 12m

Toronto Pearson Intl

Wed 11/19

4:45 pm-11:59 pm

1 stop9h 14m

$413

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 11/17

8:02 pm-3:35 pm

1 stop17h 33m

Toronto Pearson Intl

Fri 11/21

4:45 pm-10:40 pm

1 stop31h 55m

$413

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 12/5

3:42 pm-3:35 pm

1 stop21h 53m

Toronto Pearson Intl

Wed 12/10

4:45 pm-2:46 pm

1 stop24h 01m

$420

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sat 11/15

11:31 am-3:35 pm

2 stops26h 04m

Toronto Pearson Intl

Tue 11/18

4:45 pm-2:41 pm

1 stop23h 56m

$422

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 12/3

3:42 pm-3:35 pm

1 stop21h 53m

Toronto Pearson Intl

Mon 12/8

4:45 pm-11:59 pm

1 stop9h 14m

$423

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 12/3

6:45 am-3:35 pm

1 stop30h 50m

Toronto Pearson Intl

Wed 12/10

4:45 pm-11:44 am

1 stop20h 59m

$431

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 12/5

11:41 am-3:35 pm

2 stops25h 54m

Toronto Pearson Intl

Tue 12/9

4:45 pm-2:46 pm

1 stop24h 01m

$433

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 12/7

8:20 pm-3:35 pm

1 stop17h 15m

Toronto Pearson Intl

Wed 12/10

4:45 pm-10:45 am

2 stops20h 00m

$440

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 12/4

3:42 pm-3:35 pm

1 stop21h 53m

Toronto Pearson Intl

Mon 12/8

4:45 pm-11:44 am

1 stop20h 59m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/26

Showing 1-10 of 60 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 September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust 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 Denver-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Toronto flight deals on Cheapflights vs. FlightHub >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 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 Denver-Toronto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 September 26, 2025.

The best time to book flights from Denver to Toronto is 73 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 August is currently the most expensive (average of $348). 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 September 29, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 19% on flights from Denver to Toronto by exploring options for tickets in the evening.

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 September 29, 2025.

The most flights from DEN to YTO are scheduled on a Monday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

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 September 29, 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
8.0
Very good
7,964 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
3,110 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 8 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, Air Canada, and WestJet can get you from Denver to Toronto in just under 8h 20m. Your travel time can differ by up to 15h 52m. There are 1322 mi between Denver and Toronto. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $223, 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 $277, respectively. Air Canada is currently priced 53% 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 American Airlines. According to our data, you can fly for as low as $200. Users have also found prices from $206 and $378 on Alaska Airlines and WestJet, 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 Austrian Airlines (74%), Brussels Airlines (74%) and Air Canada (73%).

  • What are the cheapest flights from Denver to Toronto?

    On average you can expect to pay $1,014 for a flight from Denver to Toronto. The cheapest flight overall is $182 while the most popular route, (Denver Intl - Toronto Pearson Intl) is currently priced at $335.

  • 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 August is currently the most expensive (average of $348). 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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$219Average$542FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$244Average$543FlexibilityNo cancel feeOn-time69%
WestJetCheapest$258Average$297FlexibilityNo cancel feeOn-time60%

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