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Cheap flights from Toronto to Denver from C$ 138

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — DEN
16 Apr — 23 Apr1
1 adult

Cheapflights Tip: The best prices from Toronto to Denver Intl are usually found in October or September, booked 47 days in advance, depart on a Wednesday or Friday and return on a Monday

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 April 2025.

Round-trip from

C$ 270

One-way from

C$ 138

Popular in

December

Cheapest in

October

Average price

C$ 650

Good round-trip deal

C$ 453 or less

Good one-way deal

C$ 256 or less
WestJet
  • WestJet
  • 23/5-28/5
  • 2 total stops
  • 25h 18m total
  • Toronto to Denver
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WestJet
  • WestJet
  • 29/5
  • 1 total stop
  • 14h 52m total
  • Toronto to Denver
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Highest demand for flights based on searches. 2% potential increase in price (C$ 25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 2025.

Fri 23/56:00 a.m.YHM - DEN
1 stop14h 52mWestJet
Wed 28/512:15 p.m.DEN - YHM
1 stop10h 26mWestJet
Deal found 9/4C$ 270
Fri 23/56:30 a.m.YYZ - DEN
1 stop14h 22mMultiple Airlines
Mon 26/58:24 p.m.DEN - YYZ
1 stop18h 56mMultiple Airlines
Deal found 10/4C$ 431
Wed 4/66:35 p.m.YYZ - DEN
1 stop6h 55mAir Canada
Thu 12/69:56 a.m.DEN - YYZ
Nonstop3h 15mAir Canada
Deal found 10/4C$ 434
Sun 25/58:00 a.m.YYZ - DEN
1 stop12h 52mWestJet
Sat 31/512:15 p.m.DEN - YYZ
2 stops10h 20mWestJet
Deal found 10/4C$ 437
Fri 30/57:55 a.m.YYZ - DEN
1 stop11h 03mDelta
Sun 1/612:55 a.m.DEN - YYZ
1 stop6h 03mDelta
Deal found 9/4C$ 456
Sun 8/68:25 p.m.YTZ - DEN
1 stop16h 02mAir Canada
Wed 11/67:50 a.m.DEN - YTZ
2 stops10h 47mAir Canada
Deal found 10/4C$ 477
Mon 26/56:00 a.m.YKF - DEN
2 stops14h 01mMultiple Airlines
Mon 2/612:15 p.m.DEN - YKF
1 stop10h 31mMultiple Airlines
Deal found 11/4C$ 504
Tue 29/73:29 p.m.YYZ - DEN
2 stops10h 15mAmerican Airlines
Sat 2/87:20 a.m.DEN - YYZ
2 stops13h 34mAmerican Airlines
Deal found 10/4C$ 508
Thu 24/43:50 p.m.YTZ - DEN
1 stop7h 59mMultiple Airlines
Wed 30/410:52 p.m.DEN - YTZ
2 stops18h 35mMultiple Airlines
Deal found 10/4C$ 521
Sun 25/56:00 a.m.YKF - DEN
1 stop14h 52mWestJet
Sat 31/512:15 p.m.DEN - YKF
1 stop10h 31mWestJet
Deal found 10/4C$ 534
Mon 26/56:00 a.m.YHM - DEN
2 stops24h 00mMultiple Airlines
Mon 2/66:00 a.m.DEN - YHM
2 stops16h 41mMultiple Airlines
Deal found 11/4C$ 585
Thu 2/104:40 p.m.YYZ - DEN
1 stop19h 18mUnited Airlines
Wed 8/108:00 a.m.DEN - YYZ
1 stop11h 32mUnited Airlines
Deal found 10/4C$ 722

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 April 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

HamiltonDenver

YHM - DEN

YHMDEN

Hamilton

Fri 23/5

6:00 a.m.-6:52 p.m.

1 stop14h 52m

Denver Intl

Wed 28/5

12:15 p.m.-12:41 a.m.

1 stop10h 26m

C$ 270

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 23/5

6:30 a.m.-6:52 p.m.

1 stop14h 22m

Denver Intl

Mon 26/5

8:24 p.m.-5:20 p.m.

1 stop18h 56m

C$ 431

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 4/6

6:35 p.m.-11:30 p.m.

1 stop6h 55m

Denver Intl

Thu 12/6

9:56 a.m.-3:11 p.m.

Nonstop3h 15m

C$ 434

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sun 25/5

8:00 a.m.-6:52 p.m.

1 stop12h 52m

Denver Intl

Sat 31/5

12:15 p.m.-12:35 a.m.

2 stops10h 20m

C$ 437

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 30/5

7:55 a.m.-4:58 p.m.

1 stop11h 03m

Denver Intl

Sun 1/6

12:55 a.m.-8:58 a.m.

1 stop6h 03m

C$ 456

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Sun 8/6

8:25 p.m.-10:27 a.m.

1 stop16h 02m

Denver Intl

Wed 11/6

7:50 a.m.-8:37 p.m.

2 stops10h 47m

C$ 477

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Mon 26/5

6:00 a.m.-6:01 p.m.

2 stops14h 01m

Denver Intl

Mon 2/6

12:15 p.m.-12:46 a.m.

1 stop10h 31m

C$ 504

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 29/7

3:29 p.m.-11:44 p.m.

2 stops10h 15m

Denver Intl

Sat 2/8

7:01 a.m.-10:29 p.m.

1 stop13h 28m

C$ 508

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Thu 24/4

3:50 p.m.-9:49 p.m.

1 stop7h 59m

Denver Intl

Wed 30/4

10:52 p.m.-7:27 p.m.

2 stops18h 35m

C$ 521

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Sun 25/5

6:00 a.m.-6:52 p.m.

1 stop14h 52m

Denver Intl

Sat 31/5

12:15 p.m.-12:46 a.m.

1 stop10h 31m

C$ 534

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 25 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 4 April 2025.

The best time to book flights from Toronto to Denver is 47 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 April 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 28% on flights from Toronto to Denver by exploring options for tickets at noon.

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 April 2025.

The most flights from YTO to DEN 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).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 13.0 - 58.0 mm per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Denver when rainfall is around 13.0 mm.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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 April 2025.
To help decide which airline to fly from Toronto to Denver, see what other customers have to say about Alaska Airlines, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,910 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,802 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 9 inbound flights from Toronto per day from 3 airlines. Denver Intl is conveniently located just 29.7 km from Denver’s city centre.

  • 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$ 270. Additional round-trip tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at C$ 434 and C$ 456, respectively. WestJet is currently priced 58% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Toronto to Denver one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 138. However, be on the lookout for offers from Air Canada and Delta, as they are both options that can get you from Toronto to Denver for a low price.

  • 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: Brussels Airlines (100%), United Airlines (60%), Air Canada( 60%).

  • What are the cheapest flights from Toronto to Denver?

    Looking at all options, your cheapest flight can be booked for C$ 164. While the most popular route (Toronto Pearson Intl - Denver Intl) can be booked for C$ 257 on average our data indicates C$ 1,501 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 Toronto?

Book flights to Toronto 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 April 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 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 245AverageC$ 385FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 499AverageC$ 715FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 529AverageC$ 723FlexibilityNo 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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