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$127+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find cheap flights from Denver to Toronto with Cheapflights

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Cheapflights Tip: The best prices from Denver Intl to Toronto are usually found in November or October, booked 36 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap 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 July 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 10/812:15 pm
DEN
-
YYZ
1 stop8h 30m
Multiple Airlines
Mon 10/124:45 pm
YYZ
-
DEN
1 stop7h 04m
Multiple Airlines
Deal found 7/26$360
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:15 pm
DEN
-
YYZ
1 stop9h 55m
WestJet
Sat 8/2910:20 pm
YYZ
-
DEN
2 stops15h 00m
WestJet
Deal found 7/26$361
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/1812:15 pm
DEN
-
YYZ
1 stop15h 30m
WestJet
Sun 9/2010:25 pm
YYZ
-
DEN
1 stop14h 55m
WestJet
Deal found 7/26$362
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 9/1710:45 am
DEN
-
YYZ
1 stop9h 10m
Multiple Airlines
Sun 9/2010:25 pm
YYZ
-
DEN
1 stop14h 55m
Multiple Airlines
Deal found 7/26$364
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/712:15 pm
DEN
-
YYZ
1 stop10h 50m
WestJet
Tue 8/1810:20 pm
YYZ
-
DEN
2 stops15h 00m
WestJet
Deal found 7/23$366
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 9/1710:45 am
DEN
-
YYZ
1 stop9h 10m
Multiple Airlines
Wed 9/2310:20 pm
YYZ
-
DEN
2 stops15h 00m
Multiple Airlines
Deal found 7/26$367
This oojo deal was found by Cheapflights users on 7/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:15 pm
DEN
-
YYZ
1 stop9h 55m
WestJet
Wed 8/1910:20 pm
YYZ
-
DEN
2 stops15h 00m
WestJet
Deal found 7/25$368
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/139:00 am
DEN
-
YYZ
2 stops19h 55m
Multiple Airlines
Mon 8/174:45 pm
YYZ
-
DEN
1 stop24h 16m
Multiple Airlines
Deal found 7/24$369
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/612:15 pm
DEN
-
YYZ
2 stops22h 30m
WestJet
Thu 8/1310:25 pm
YYZ
-
DEN
1 stop14h 55m
WestJet
Deal found 7/25$370
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/1710:30 am
DEN
-
YTZ
2 stops24h 25m
Multiple Airlines
Sat 10/2410:50 am
YTZ
-
DEN
1 stop12h 59m
Multiple Airlines
Deal found 7/23$371
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/1710:45 am
DEN
-
YYZ
1 stop9h 10m
Multiple Airlines
Fri 9/258:35 pm
YYZ
-
DEN
1 stop15h 32m
Multiple Airlines
Deal found 7/25$371
This oojo deal was found by Cheapflights users on 7/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:15 pm
DEN
-
YYZ
1 stop8h 30m
WestJet
Sun 8/306:10 am
YYZ
-
DEN
2 stops31h 10m
WestJet
Deal found 7/25$372

Find 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$360
(Kiwi.com)

One-way from

$127
(Kiwi.com)

Popular in

February

Cheapest in

November

Average price

$629

Good round-trip deal

$598 or less

Good one-way deal

$286 or less
Provider with most accurate pricing for Denver Intl-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Toronto (YTO) flights.
Search Deals
From Denver Intl to Toronto (YTO)
Search Deals
One-way flight from Denver Intl to Toronto (YTO)
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Denver Intl to Toronto (YTO).
Search Deals
Price to beat on a one-way flight from Denver Intl to Toronto (YTO).
Search Deals

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 July 27, 2026.
Use the filters below to find and compare flights from Denver to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Fri 10/9

7:26 am-5:20 pm

1 stop7h 54m

Toronto Island

Sat 10/17

10:50 am-9:49 pm

1 stop12h 59m

$406

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Wed 9/9

7:50 pm-3:00 pm

2 stops17h 10m

Toronto Region of Waterloo Intl

Wed 9/16

8:40 pm-4:58 pm

2 stops22h 18m

$453

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Tue 8/25

12:15 pm-5:15 pm

1 stop27h 00m

Hamilton

Tue 9/1

6:10 pm-11:20 am

1 stop19h 10m

$461

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Thu 9/17

7:50 pm-7:50 pm

2 stops22h 00m

Toronto Region of Waterloo Intl

Fri 9/25

6:05 am-11:08 pm

2 stops19h 03m

$461

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Thu 9/17

7:50 pm-7:50 pm

3 stops22h 00m

Toronto Region of Waterloo Intl

Wed 9/23

8:40 pm-4:58 pm

2 stops22h 18m

$461

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Mon 9/7

12:15 pm-11:13 pm

1 stop8h 58m

Hamilton

Sun 9/13

6:05 am-11:20 am

3 stops31h 15m

$465

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sat 8/22

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Sat 8/29

8:40 pm-11:20 am

1 stop16h 40m

$482

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Wed 8/12

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Mon 8/17

8:40 pm-11:20 am

1 stop16h 40m

$482

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Fri 8/7

12:15 pm-5:15 pm

1 stop27h 00m

Hamilton

Tue 8/18

6:10 pm-11:20 am

1 stop19h 10m

$498

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Wed 8/12

12:15 pm-5:15 pm

1 stop27h 00m

Hamilton

Sat 8/22

6:10 pm-11:20 am

1 stop19h 10m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 60 resultsSorted by cheapest first
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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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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.

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

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

Currently, October is the cheapest month in which you can book a flight from Denver to Toronto (average of $519). Flying from Denver to Toronto in February is currently the most expensive (average of $686). 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 July 27, 2026.

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

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 July 27, 2026.

The most flights from DEN to YTO are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

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

Airfare is below average for this route at the moment.
Denver to Toronto flights typically cost between $392 and $735 in October.
The cheapest round-trip price found within the last 5 days was $360 on Multiple Airlines (Oct 8-Oct 12).

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

The best time to book flights from Denver to Toronto is 23 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.

The best insider tips for Denver to Toronto flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Toronto trip
Our travel experts
Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYZ

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 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 July 27, 2026.
See what other customers who have flown with United Airlines and Air Canada 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.
United Airlines
7.4
Good
10,046 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.
United Airlines
7.4
Good
10,046 reviews
United Airlines
7.4
Good
10,046 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.
Air Canada
7.1
Good
11,394 reviews
United Airlines
7.4
Good
10,046 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.

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 2 airlines. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • How long is the flight from Denver to Toronto?

    WestJet and Delta can get you from Denver to Toronto in just under 8h 44m. Your travel time can differ by up to 18h 16m. There are 1312 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 $203, 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. Check Cheapflights for deals on United Airlines for as low as $225. Air Canada is currently priced 66% 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 United Airlines (74%), Brussels Airlines (71%) and Air Canada (68%).

  • What are the cheapest flights from Denver to Toronto?

    On average you can expect to pay $1,884 for a flight from Denver to Toronto. The cheapest flight overall is $235 while the most popular route, (Denver Intl - Toronto Pearson Intl) is currently priced at $296.

  • 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, October is the cheapest month in which you can book a flight from Denver to Toronto (average of $519). Flying from Denver to Toronto in February is currently the most expensive (average of $686). 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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Alternative routes for Denver to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Pearson Intl flights
Denver to Hamilton flights
Denver to Ottawa flights
Denver to London flights
Colorado Springs to Ottawa flights
Aspen to Ottawa flights

Top 2 airlines flying from Denver to Toronto

Discover the top 2 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$203Average$568FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$225Average$630FlexibilityNo cancel feeOn-time69%

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