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Cheap flights from Toronto to Denver from C$ 177

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — DEN
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Toronto to Denver Intl are usually found in August or October, booked 85 days in advance, depart on a Friday or Saturday and return on a Thursday

Cheap flight deals from Toronto to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Denver (DEN). 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 11 September 2025.

Round-trip from

C$ 427

One-way from

C$ 177

Popular in

December

Cheapest in

August

Average price

C$ 588

Good round-trip deal

C$ 584 or less

Good one-way deal

C$ 414 or less
30/10-2/11
  • 30/10-2/11
  • 4 total stops
  • 64h 39m total
  • Toronto to Denver
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20/10
  • 20/10
  • 2 total stops
  • 24h 21m total
  • Toronto to Denver
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Highest demand for flights based on searches. 4% potential increase in price (C$ 38 potential increase over avg. RT price).
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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 2025
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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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Find flight deals from Toronto to Denver

Cheapest flights from Toronto to Denver
Explore the most affordable flight options available from Toronto to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Thu 30/101:30 p.m.YYZ - DEN
3 stops24h 30mMultiple Airlines
Sat 1/1112:16 a.m.DEN - YYZ
1 stop13h 04mMultiple Airlines
Deal found 10/9C$ 427
Sun 21/94:00 p.m.YYZ - DEN
1 stop18h 16mMultiple Airlines
Fri 3/1012:15 p.m.DEN - YYZ
1 stop10h 07mMultiple Airlines
Deal found 9/9C$ 428
Mon 15/92:00 p.m.YYZ - DEN
2 stops16h 00mMultiple Airlines
Fri 3/1012:15 p.m.DEN - YYZ
1 stop10h 07mMultiple Airlines
Deal found 9/9C$ 430
Wed 5/116:00 a.m.YYZ - DEN
1 stop18h 22mAmerican Airlines
Tue 11/117:22 a.m.DEN - YYZ
1 stop12h 07mAmerican Airlines
Deal found 9/9C$ 431
Sun 21/910:25 p.m.YYZ - DEN
2 stops38h 31mMultiple Airlines
Wed 15/1010:29 p.m.DEN - YYZ
1 stop19h 16mMultiple Airlines
Deal found 9/9C$ 432
Fri 26/97:45 p.m.YYZ - DEN
1 stop16h 33mMultiple Airlines
Sun 5/1012:04 a.m.DEN - YYZ
2 stops19h 03mMultiple Airlines
Deal found 9/9C$ 434
Sat 18/104:00 p.m.YYZ - DEN
1 stop18h 12mMultiple Airlines
Wed 22/108:21 p.m.DEN - YYZ
1 stop22h 46mMultiple Airlines
Deal found 9/9C$ 435
Sun 12/1010:25 p.m.YYZ - DEN
1 stop14h 59mMultiple Airlines
Fri 17/1011:59 p.m.DEN - YYZ
1 stop12h 26mMultiple Airlines
Deal found 10/9C$ 437
Fri 3/108:00 a.m.YYZ - DEN
1 stop11h 18mAir Canada
Sat 11/108:40 a.m.DEN - YYZ
1 stop9h 12mAir Canada
Deal found 9/9C$ 438
Sat 1/1112:40 p.m.YYZ - DEN
1 stop9h 25mMultiple Airlines
Thu 13/117:00 a.m.DEN - YYZ
1 stop11h 32mMultiple Airlines
Deal found 9/9C$ 439
Fri 26/97:15 a.m.YYZ - DEN
2 stops16h 16mMultiple Airlines
Sun 5/103:43 p.m.DEN - YYZ
1 stop13h 16mMultiple Airlines
Deal found 10/9C$ 441
Tue 28/109:35 a.m.YYZ - DEN
1 stop12h 30mMultiple Airlines
Fri 31/109:05 a.m.DEN - YYZ
1 stop8h 55mMultiple Airlines
Deal found 10/9C$ 442

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Denver 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 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Toronto to Denver that are best for you.

Fly from

Toronto

Fly to

Denver

Route

Depart

Return

Price

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Mon 20/10

8:45 a.m.-8:30 p.m.

1 stop13h 45m

Denver Intl

Wed 29/10

7:40 a.m.-8:00 p.m.

1 stop10h 20m

C$ 453

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Wed 5/11

12:30 p.m.-7:55 p.m.

1 stop9h 25m

Denver Intl

Tue 11/11

11:15 a.m.-9:35 p.m.

1 stop8h 20m

C$ 455

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Fri 17/10

1:35 p.m.-8:30 p.m.

1 stop8h 55m

Denver Intl

Mon 20/10

6:38 a.m.-5:53 p.m.

1 stop9h 15m

C$ 456

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Mon 13/10

9:45 a.m.-11:16 p.m.

2 stops15h 31m

Denver Intl

Mon 20/10

9:26 p.m.-12:17 p.m.

1 stop12h 51m

C$ 461

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 24/10

8:05 p.m.-3:59 a.m.

1 stop9h 54m

Denver Intl

Tue 28/10

10:29 p.m.-7:36 p.m.

2 stops19h 07m

C$ 466

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Sun 12/10

3:00 p.m.-1:08 a.m.

1 stop12h 08m

Denver Intl

Fri 17/10

9:19 p.m.-12:17 p.m.

1 stop12h 58m

C$ 473

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 3/10

6:13 p.m.-9:25 p.m.

1 stop5h 12m

Denver Intl

Fri 10/10

12:55 a.m.-11:20 a.m.

1 stop8h 25m

C$ 484

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 24/10

3:35 p.m.-10:06 p.m.

1 stop8h 31m

Denver Intl

Sun 26/10

12:50 a.m.-12:10 p.m.

1 stop9h 20m

C$ 484

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Sat 1/11

7:45 a.m.-7:59 p.m.

2 stops14h 14m

Denver Intl

Mon 3/11

8:44 p.m.-1:42 p.m.

1 stop14h 58m

C$ 489

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Fri 24/10

7:50 a.m.-1:57 p.m.

1 stop8h 07m

Denver Intl

Thu 30/10

12:59 a.m.-6:55 p.m.

2 stops15h 56m

C$ 491

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 results
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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
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 Toronto to Denver

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

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Denver. Price data was last updated on 29 August 2025.

The best time to book flights from Toronto to Denver is 85 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 Toronto to Denver?

Currently, August is the cheapest month in which you can book a flight from Toronto to Denver (average of C$ 320). Flying from Toronto to Denver in December is currently the most expensive (average of C$ 484). 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?

Find hourly flight availability from Toronto to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 23% on flights from Toronto to Denver by exploring options for tickets in the evening.

Weekly flight availability from Toronto to Denver

Explore weekly flight availability from Toronto to Denver. 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 11 September 2025.

The most flights from YTO to DEN 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 (10 on average).

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

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

Share of one-stop round-trip flights from Toronto to Denver chosen by Cheapflights users in the past 12 months, using the same layover each way.

Calgary (YYC) – chosen by Cheapflights users on 80% of one-stop itineraries from Toronto to Denver on Cheapflights.

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

Average round-trip fare for 1-stop flights from Toronto to Denver, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 357.

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

Shortest average travel time for 1-stop one-way flights from Toronto to Denver, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Minneapolis (MSP) have the shortest average one-way travel time for 1-stop routes: 5h 16m.

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

Average layover duration for 1-stop one-way flights from Toronto to Denver, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 0h 48m.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated 11 September 2025.
Read reviews from past customers who have flown United Airlines,WestJet, andAir 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
8,937 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
WestJet
7.2
Good
3,091 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Related info for your journey

Find useful and relevant information for your journey from Toronto to Denver. 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 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 10 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 3h 43m. Fly via Air Canada, Delta, or United Airlines 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 WestJet is currently your cheapest option to Denver, with prices starting at C$ 260. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at C$ 468 and C$ 520, respectively. WestJet is currently priced 58% 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 Toronto Region of Waterloo Intl - 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 (57%), United Airlines (57%), Austrian Airlines( 27%).

  • What are the cheapest flights from Toronto to Denver?

    Looking at all options, your cheapest flight can be booked for C$ 304. While the most popular route (Toronto Pearson Intl - Denver Intl) can be booked for C$ 321 on average, our data indicates C$ 1,967 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, August is the cheapest month in which you can book a flight from Toronto to Denver (average of C$ 320). Flying from Toronto to Denver in December is currently the most expensive (average of C$ 484). 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
Golden
Westminster
Thornton

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Fly from Toronto to Denver on these airlines

Choose from the following airlines for your flight from Toronto to Denver. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2025.
Air Canada flights from Toronto to Denver Intl
United Airlines flights from Toronto to Denver Intl

Top 3 airlines flying from Toronto to Denver

Discover the top 3 airlines that operate flights from Toronto to Denver. 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 260AverageC$ 437FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 459AverageC$ 693FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 520AverageC$ 733FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

Can Cheapflights find flights from Toronto to Denver with no change fees?

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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