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$161+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
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 August or October, booked 64 days in advance, depart on a Thursday or Friday and return on a Friday

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 June 12, 2026.

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.
Wed 9/165:56 pm
DEN
-
YTZ
1 stop18h 29m
Multiple Airlines
Sat 9/191:40 pm
YTZ
-
DEN
1 stop12h 49m
Multiple Airlines
Deal found 6/10$332
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:25 am
DEN
-
YTZ
1 stop9h 35m
Multiple Airlines
Sat 10/101:40 pm
YTZ
-
DEN
1 stop25h 20m
Multiple Airlines
Deal found 6/12$345
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 9/226:25 am
DEN
-
YTZ
1 stop6h 00m
Multiple Airlines
Tue 9/291:40 pm
YTZ
-
DEN
1 stop12h 49m
Multiple Airlines
Deal found 6/8$356
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:52 pm
DEN
-
YYZ
1 stop21h 58m
Multiple Airlines
Tue 7/2812:55 pm
YYZ
-
DEN
1 stop10h 46m
Multiple Airlines
Deal found 6/12$356
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.
Thu 10/16:25 am
DEN
-
YTZ
1 stop6h 00m
Multiple Airlines
Sun 10/41:40 pm
YTZ
-
DEN
1 stop12h 49m
Multiple Airlines
Deal found 6/11$358
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 9/226:25 am
DEN
-
YTZ
1 stop6h 00m
Multiple Airlines
Thu 9/241:40 pm
YTZ
-
DEN
1 stop12h 49m
Multiple Airlines
Deal found 6/8$367
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:52 pm
DEN
-
YYZ
1 stop21h 58m
Multiple Airlines
Mon 8/310:50 am
YYZ
-
DEN
2 stops18h 58m
Multiple Airlines
Deal found 6/9$368
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.
Fri 7/3110:15 am
DEN
-
YYZ
1 stop8h 35m
Multiple Airlines
Tue 8/410:50 am
YYZ
-
DEN
2 stops19h 00m
Multiple Airlines
Deal found 6/11$374
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:25 am
DEN
-
YTZ
1 stop6h 00m
Multiple Airlines
Sun 9/201:40 pm
YTZ
-
DEN
1 stop12h 49m
Multiple Airlines
Deal found 6/9$383
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.
Wed 8/193:50 pm
DEN
-
YYZ
1 stop27h 00m
Multiple Airlines
Sun 8/3012:55 pm
YYZ
-
DEN
1 stop10h 54m
Multiple Airlines
Deal found 6/10$384
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 8/206:00 am
DEN
-
YYZ
1 stop12h 50m
Multiple Airlines
Mon 8/2412:55 pm
YYZ
-
DEN
1 stop10h 54m
Multiple Airlines
Deal found 6/7$386
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.
Sat 8/297:23 am
DEN
-
YTZ
1 stop6h 37m
Multiple Airlines
Tue 9/88:40 pm
YTZ
-
DEN
1 stop18h 20m
Multiple Airlines
Deal found 6/10$389

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 June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$332
(Kiwi.com)

One-way from

$161
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$576

Good round-trip deal

$709 or less

Good one-way deal

$295 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. 5% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 12, 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 - YKF

DENYKF

Denver Intl

Tue 7/14

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Mon 7/20

8:40 pm-11:20 am

1 stop16h 40m

$485

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sat 8/8

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Sun 8/16

8:40 pm-11:20 am

1 stop16h 40m

$490

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Wed 7/22

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Tue 7/28

8:40 pm-11:20 am

1 stop16h 40m

$491

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sun 8/2

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Wed 8/5

8:40 pm-11:20 am

1 stop16h 40m

$492

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sat 7/18

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Tue 7/28

8:40 pm-11:20 am

1 stop16h 40m

$492

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Sat 7/18

12:15 pm-5:15 pm

1 stop27h 00m

Hamilton

Tue 7/28

6:10 pm-11:20 am

1 stop19h 10m

$510

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Tue 8/11

12:15 pm-5:15 pm

1 stop27h 00m

Hamilton

Wed 8/19

6:10 pm-11:20 am

1 stop19h 10m

$519

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Thu 8/20

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Mon 8/24

8:40 pm-11:20 am

1 stop16h 40m

$539

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 7/3

12:40 pm-10:23 pm

1 stop7h 43m

Toronto Pearson Intl

Sun 7/5

8:55 am-10:35 am

Nonstop3h 40m

$550

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 7/27

6:35 am-5:39 pm

1 stop9h 04m

Toronto Pearson Intl

Thu 8/20

6:10 am-9:52 am

1 stop5h 42m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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 June.
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, July is the cheapest month in which you can book a flight from Denver to Toronto (average of $119). Flying from Denver to Toronto in May is currently the most expensive (average of $244). 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, 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 June 12, 2026.

The most flights from DEN to YTO are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

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

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

The best time to book flights from Denver to Toronto is 67 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 June 12, 2026.
See what other customers who have flown with Delta,United Airlines, andAir 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.
Delta
7.9
Good
8,400 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,400 reviews
Delta
7.9
Good
8,400 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,810 reviews
Delta
7.9
Good
8,400 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Air Canada
7.1
Good
11,168 reviews
Delta
7.9
Good
8,400 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 9 outbound flights to Toronto per day from 4 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, Delta, and United Airlines can get you from Denver to Toronto in just under 3h 17m. Your travel time can differ by up to 26h 18m. 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 $195, 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 Delta and WestJet - these airlines can fly you to your destination from $218 and $223, respectively. Air Canada is currently priced 65% 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 Air Canada. According to our data, you can fly for as low as $175. Users have also found prices from $193 and $218 on United Airlines and Delta, 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 United Airlines (85%), Air Canada (80%) and Austrian Airlines (77%).

  • What are the cheapest flights from Denver to Toronto?

    On average you can expect to pay $1,026 for a flight from Denver to Toronto. The cheapest flight overall is $258 while the most popular route, (Denver Intl - Toronto Pearson Intl) is currently priced at $368.

  • 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, July is the cheapest month in which you can book a flight from Denver to Toronto (average of $119). Flying from Denver to Toronto in May is currently the most expensive (average of $244). 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
Colorado Springs to Ottawa flights
Denver to London flights
Aspen to Ottawa flights

Top 4 airlines flying from Denver to Toronto

Discover the top 4 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, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$195Average$543FlexibilityNo cancel feeOn-time67%
DeltaCheapest$218Average$488FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$223Average$386FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$224Average$624FlexibilityNo cancel feeOn-time69%

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