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Cheap flights from Toronto to Denver from C$ 234

YTO — DEN
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Toronto to Denver Intl are usually found in November or April, booked 69 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap flight deals from Toronto to Denver

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to Denver

Tue 29/912:55 p.m. -
1 stop10h 54m
Fri 2/1012:15 p.m. -
1 stop8h 30m
Deal found 7/9C$ 564
Fri 13/114:35 p.m. -
1 stop17h 51m
Mon 16/118:55 p.m. -
1 stop16h 11m
Deal found 6/9C$ 566
Fri 2/103:50 p.m. -
2 stops19h 42m
Sun 4/1012:15 p.m. -
1 stop8h 30m
Deal found 10/9C$ 566
Tue 20/109:15 a.m. -
2 stops24h 51m
Tue 27/108:55 p.m. -
1 stop16h 11m
Deal found 5/9C$ 568
Tue 20/1012:55 p.m. -
1 stop10h 54m
Tue 27/106:31 p.m. -
2 stops18h 29m
Deal found 5/9C$ 568
Thu 29/102:00 p.m. -
1 stop8h 27m
Thu 5/118:15 a.m. -
1 stop9h 42m
Deal found 6/9C$ 569
Thu 29/1012:20 p.m. -
2 stops10h 07m
Thu 5/1111:25 a.m. -
1 stop6h 31m
Deal found 6/9C$ 571
Sun 25/108:40 a.m. -
Nonstop3h 55m
Sun 1/111:30 p.m. -
Nonstop3h 07m
Deal found 9/9C$ 571
Tue 6/1012:55 p.m. -
1 stop10h 54m
Tue 13/107:12 a.m. -
1 stop10h 12m
Deal found 8/9C$ 572
Tue 29/98:45 a.m. -
Nonstop3h 37m
Fri 2/106:05 p.m. -
Nonstop3h 11m
Deal found 8/9C$ 573
Wed 21/1010:50 a.m. -
1 stop8h 31m
Wed 28/108:55 p.m. -
1 stop16h 11m
Deal found 6/9C$ 575
Tue 6/109:30 a.m. -
2 stops24h 34m
Mon 19/1010:38 a.m. -
1 stop9h 17m
Deal found 6/9C$ 575

Find flight deals from Toronto to Denver

Round-trip from

C$ 564

One-way from

C$ 234

Popular in

October

Cheapest in

November

Average price

C$ 670

Good round-trip deal

C$ 657 or less

Good one-way deal

C$ 341 or less
WestJet
  • WestJet
  • 29/9-2/10
  • 2 total stops
  • 19h 24m total
  • Toronto to Denver
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28/9-31/12
  • 28/9-31/12
  • 1 total stop
  • 26h 31m total
  • Toronto to Denver
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Toronto (YTO) to Denver Intl.
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Price to beat on a one-way flight from Toronto (YTO) to Denver Intl.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoDenver

YKF Toronto Region of Waterloo Intl - DEN Denver Intl

YKFDEN

Toronto Region of Waterloo Intl

Sat 19/9

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 239
Quickest round-trip

TorontoDenver

YYZ Toronto Pearson Intl - DEN Denver Intl

YYZDEN

Toronto Pearson Intl

Wed 7/10

8:50 a.m.-10:27 a.m.

Nonstop3h 37m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 325

TorontoDenver

YYZ Toronto Pearson Intl - DEN Denver Intl

YYZDEN

Toronto Pearson Intl

Tue 29/9

8:45 a.m.-10:22 a.m.

Nonstop3h 37m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 325

HamiltonDenver

YHM Hamilton - DEN Denver Intl

YHMDEN

Hamilton

Sun 20/9

6:10 p.m.-11:20 a.m.

1 stop19h 10m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 327

TorontoDenver

YYZ Toronto Pearson Intl - DEN Denver Intl

YYZDEN

Toronto Pearson Intl

Tue 6/10

12:55 p.m.-9:49 p.m.

1 stop10h 54m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 329

TorontoDenver

YTZ Toronto Island - DEN Denver Intl

YTZDEN

Toronto Island

Mon 28/12

4:35 p.m.-9:24 p.m.

1 stop6h 49m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 352

TorontoDenver

YYZ Toronto Pearson Intl - DEN Denver Intl

YYZDEN

Toronto Pearson Intl

Mon 12/10

7:34 p.m.-11:44 p.m.

1 stop6h 10m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 352

TorontoDenver

YYZ Toronto Pearson Intl - DEN Denver Intl

YYZDEN

Toronto Pearson Intl

Thu 24/9

7:45 a.m.-4:15 p.m.

1 stop10h 30m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 355

TorontoDenver

YTZ Toronto Island - DEN Denver Intl

YTZDEN

Toronto Island

Mon 30/11

4:35 p.m.-11:00 p.m.

2 stops32h 25m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 356

TorontoDenver

YTZ Toronto Island - DEN Denver Intl

YTZDEN

Toronto Island

Sat 28/11

10:35 a.m.-5:21 p.m.

1 stop8h 46m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 358

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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Best time to book a flight from Toronto to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Toronto with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Toronto to Denver

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

Currently, November is the cheapest month in which you can book a flight from Toronto to Denver (average of C$ 648). Flying from Toronto to Denver in January is currently the most expensive (average of C$ 818). 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 YTO to DEN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Toronto to Denver as you normally would.

Weekly flight availability from Toronto to Denver

The most flights from YTO to DEN are scheduled on a Wednesday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (7 on average).

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

Airfare is below average for this route at the moment.
Toronto to Denver flights typically cost between C$ 580 and C$ 778 in September.
The cheapest round-trip price found within the last 5 days was C$ 564 on Multiple Airlines (29 Sep-2 Oct).

What’s the top layover airport for flights from Toronto to Denver?

Calgary (YYC) – chosen by Cheapflights users on 44% of one-stop itineraries from Toronto to Denver on Cheapflights.

What’s the cheapest layover airport for flights from Toronto to Denver?

Montreal (YUL) is the most affordable 1-stop option, with an average round-trip price of C$ 465.

What’s the fastest layover option from Toronto to Denver?

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 5h 28m.

Which airport typically offers the quickest layover for flights from Toronto to Denver?

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 0h 43m.

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

The best time to book flights from Toronto to Denver is 68 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.

Reviews of airlines servicing Denver

Read reviews from past customers who have flown United Airlines and Air Canada from Toronto to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,197 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Dawn,Aug 2026

ORD - DEN

I missed my connecting flight because our plane took off ten minutes late and then when we got to the airport another plane was in our shoot waiting to get fueled up and that took 30 minutes so I missed my connecting flight. I asked if I could get off and they assured me the plane would most likely wait for me since they know what time the planes get in because of an app. I was not happy. I had to wait till 7:25 to board the next flight and then that was delayed. Gates changed till 9:20. Terrible
United Airlines
7.4
Good
10,197 reviews
United Airlines
7.4
Good
10,197 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Dawn,Aug 2026

ORD - DEN

I missed my connecting flight because our plane took off ten minutes late and then when we got to the airport another plane was in our shoot waiting to get fueled up and that took 30 minutes so I missed my connecting flight. I asked if I could get off and they assured me the plane would most likely wait for me since they know what time the planes get in because of an app. I was not happy. I had to wait till 7:25 to board the next flight and then that was delayed. Gates changed till 9:20. Terrible
Air Canada
7.1
Good
11,611 reviews
United Airlines
7.4
Good
10,197 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Dawn,Aug 2026

ORD - DEN

I missed my connecting flight because our plane took off ten minutes late and then when we got to the airport another plane was in our shoot waiting to get fueled up and that took 30 minutes so I missed my connecting flight. I asked if I could get off and they assured me the plane would most likely wait for me since they know what time the planes get in because of an app. I was not happy. I had to wait till 7:25 to board the next flight and then that was delayed. Gates changed till 9:20. Terrible

Related info for your journey

  • What airport do you fly into for flights to Denver from Toronto?

    Most people fly into Denver Intl (DEN) if they book a flight to Denver from Toronto. On average, Denver Intl has 8 inbound flights from Toronto per day from 3 airlines. Denver Intl is conveniently located just 29.7 km from Denver’s city centre.

  • How long is the flight from Toronto to Denver?

    There are many flights that can get you from Toronto to Denver in 7h 35m. Fly via Delta, Air Canada, or WestJet to get the fastest option. Toronto and Denver are separated by a distance of 2111 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Flying on United Airlines is currently your cheapest option to Denver, with prices starting at C$ 397. Additional round-trip tickets that might be worth considering are offered by WestJet and Air Canada, with the lowest prices starting at C$ 404 and C$ 476, respectively. United Airlines is currently priced 40% below the average price you’ll pay for this route.

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

    Most travellers choose Toronto Pearson Intl - Denver Intl, Toronto Island - Denver Intl or Hamilton - Denver Intl when deciding on the best route from Toronto to Denver.

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

    Before booking your flight to Denver from Toronto, check out the most reliable airlines to get you to your destination on time: Air Canada (63%), United Airlines (63%), Brussels Airlines( 35%).

  • What are the cheapest flights from Toronto to Denver?

    Looking at all options, your cheapest flight can be booked for C$ 264. While the most popular route (Toronto Pearson Intl - Denver Intl) can be booked for C$ 430 on average, our data indicates C$ 1,251 when flying from Toronto to Denver.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Toronto to Denver (average of C$ 648). Flying from Toronto to Denver in January is currently the most expensive (average of C$ 818). 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

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk

Browse thousands of different options on Cheapflights for your next trip

Fly from Toronto to Denver on these airlines

Air Canada flights from Toronto to Denver Intl
United Airlines flights from Toronto to Denver Intl

Top 3 airlines flying from Toronto to Denver

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 397AverageC$ 741FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 404AverageC$ 449FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 476AverageC$ 658FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Toronto to Denver?

Deals for Toronto to Denver flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Toronto to Denver?

Millions of users choose and trust Cheapflights to book the best flight deals from Toronto to Denver for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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Yes! Cheapflights helps users easily find flights from Toronto to Denver with no change fees.

Can Cheapflights notify me if prices for flights from Toronto to Denver become cheaper?

Yes, Cheapflights offers price alerts on Toronto to Denver flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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