Cheap flights from Toronto to Denver International

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Flight deals from Toronto to Denver International

Looking for a cheap last-minute deal or the best round-trip flight from Toronto to Denver International? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Toronto to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Toronto to Denver International flights are currently cheapest in August.

Direct flights from Toronto to Denver International

Toronto to Denver International: Alternative routes

Compare routes from Toronto to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Toronto to Denver: Flight information

The things to know before you go.
Cheapest flight found$271
Cheapest month to flyAugust
Average flight time3 hrs, 44 mins
Most popular airlineUnited
Average flights per week124

Finding cheap flights from Toronto to Denver International: Frequently asked questions

The best price we found for a round-trip flight from Toronto to Denver International is $271. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 44 minutes is the average flight time from Toronto to Denver International.
United, Air Canada and Austrian Airlines fly direct from Toronto to Denver International.
There are 124 flights per week flying from Toronto to Denver International, as of June 2025.
The cheapest month to fly from Toronto to Denver International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Toronto to Denver International Airport on Monday, August 18, 2025.
Yes – the average flight time is 3 hours and 44 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Toronto to Denver International Airport (DEN): What you need to know

  • You can choose from a variety of airports when organizing your flight from Toronto to Denver International Airport (DEN). Check out your options for departing Pearson International Airport (YYZ), Billy Bishop Toronto City Airport (YTZ) and Region of Waterloo International Airport (YKF).

  • The average length of a direct Toronto to Denver International Airport flight is 3 hours 45 minutes.

  • Denver International Airport is located in Denver. The city operates on the UTC-6 timezone and is two hours behind Toronto.

  • With 25 direct flights a week between the two airports, Pearson International Airport (YYZ) to Denver International Airport (DEN) is the busiest route. Air Canada operates the earliest flight at 8:35am. If you'd like to make the most of your day before taking off, the last departure from YYZ to DEN is with Air Canada at 6:20pm.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably catch your flight from Toronto to DEN.

  • With more travelers during peak seasons, aim to get to your terminal earlier than usual. Two hours for domestic flights and up to four for international trips will allow extra time for delays.

Airports in Toronto

Pearson International Airport (YYZ)

  • You can book a direct flight from Toronto to Denver International Airport (DEN) departing from Pearson International Airport (YYZ).

  • You can get away on a direct flight from Toronto to Denver International Airport with Air Canada. This top carrier offers services from YYZ.

  • The top choice among passengers flying between YYZ and DEN is Air Canada.

  • With 72.38% of its services arriving as scheduled, Air Canada is the leading performer for punctuality on this route.

  • The journey from central Toronto to YYZ takes about 50 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 27 kilometers in 25 minutes or so, depending on traffic.

  • Want a hassle-free start to your vacation? Stay near Pearson International Airport. Whether you've booked an early flight from Toronto to Denver International Airport or just don't like being rushed, these hotels are just what you're after:

  • 63.97% of flights departing from Pearson International Airport touch down at their destination on schedule.

Billy Bishop Toronto City Airport (YTZ)

  • YTZ is about 3 kilometers from central Toronto. It'll take 35 minutes or so to get to the airport driving from the city center. Public transport takes roughly 40 minutes.

  • Start your vacation early with an extra night away from home. Before your Toronto to DEN flight, unwind in one of these hotels near Billy Bishop Toronto City Airport:

  • Billy Bishop Toronto City Airport has an on-time performance of 62.09%. This figure reflects how often flights that take off from this airport reach their destination on time.

Region of Waterloo International Airport (YKF)

  • The trip to YKF from the center of Toronto is around 4 hours 5 minutes by public transport. If you're going by car, it'll take you roughly 1 hour 15 minutes to cover the 105 kilometers or so.

  • Relax in bed for a little longer and still make your Toronto to Denver International Airport flight with time to spare. These hotels near Region of Waterloo International Airport make it a breeze to get to the terminal if you're flying out first thing:

  • Flights that leave from YKF touch down at their destination on schedule 63.64% of the time.

About Denver International Airport (DEN)

  • Once your flight from Toronto to Denver International Airport has touched down, kick back and relax at a nearby hotel. Baymont by Wyndham Denver International Airport is a convenient option that's not too far from DEN.

  • Grab a Denver International Airport rental car and discover Denver and beyond with your own wheels. Routes Car Rentals, Dollar and Budget are leading providers you can book with here.

  • For the best deal, book your ride around one week in advance of your Toronto to Denver International Airport flight.

  • The street address for DEN is 8500 Pena Boulevard.

Getting from Denver International Airport (DEN) to central Denver

  • Central Denver is around 31 kilometers from Denver International Airport. Travel times by cab or car rental will vary depending on traffic conditions, so do some research before your trip.

  • If you're taking public transport, expect a journey of around 1 hour 30 minutes.

How to find the cheapest flights from Toronto to Denver International Airport (DEN)

  • Currently, $156 is the lowest price we've found for a one-way ticket from Toronto to Denver International Airport. The cheapest price for a return flight is $271. Remember fares may change due to demand at the time of booking.

  • To find cheap flights from Toronto to DEN, book in advance. Airlines generally offer lower prices when flights are first released.

  • If you're flexible with your trip dates, use the 'Whole month' tool. It'll give you the cheapest price across every month when searching for your Toronto to Denver International Airport ticket.

  • You don't need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll let you know the moment a better deal is available on plane tickets from Toronto to DEN.

  • Filters make it easier to track down a bargain for your flight from Toronto to Denver International Airport. Pick the departure times, airlines and number of stops that check all your boxes. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Toronto to Denver International Airport (DEN)

  • July is the busiest month for flights from Toronto to Denver International Airport (DEN). Visit Denver in April for a more laid-back experience.

  • The warmest month in Denver is July, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your Toronto to DEN plane ticket then if this is the type of weather you enjoy.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from Toronto to Denver International Airport in January when temperatures are between -9ºC (16ºF) and 7ºC (45ºF).

More about Denver

Explore more of the United States

  • Denver will leave a lasting impression, but there are so many other parts of the United States waiting to be explored. Around 113 kilometers south of Denver, a visit to Colorado Springs will keep your itinerary busy. Start with leading attractions like Garden of the Gods, Pikes Peak Region Attractions and Red Rock Canyon.

  • Pueblo is another essential stop in the United States and is around 177 kilometers south of Denver. No trip is complete without seeing Cathedral of the Sacred Heart, Rosemount Museum and Minnequa Lake Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.