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 return flight from Toronto to Denver International Airport? If you want to travel next month, return fares start from $718. Find the lowest prices on one-way and return 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 May.

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$718
Cheapest month to flyMay
Average flight time3 hrs, 46 mins
Most popular airlineUnited
Average flights per week95

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

The best price we found for a return flight from Toronto to Denver International is $718. 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 46 minutes is the average flight time from Toronto to Denver International.
United, Air Canada and Austrian Airlines fly direct from Toronto to Denver International.
As of April 2026, there are 95 flights per week flying from Toronto to Denver International.
The cheapest month to fly from Toronto to Denver International is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Toronto to Denver International Airport on Wednesday, 20 May 2026.
Yes – the average flight time is 3 hours and 46 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.
The cheapest airline that flies to Denver International is Air Canada .

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

  • Toronto Pearson International Airport (YYZ) is Toronto's main airport. Explore your options for reserving a flight from Toronto to Denver International Airport (DEN) taking off from here.

  • Book a direct Toronto to Denver International Airport flight and you'll be in the air for around 3 hours 45 minutes.

  • The timezone in Denver is UTC-7, which is two hours behind Toronto. Denver International Airport is located in Denver.

  • The busiest route is from Toronto Pearson International Airport (YYZ) to Denver International Airport (DEN), with 26 direct weekly services. If you're ready to head out sooner, the earliest flight from YYZ to DEN is the 8:35am Air Canada option. If a later start suits your schedule, the last departure is at 6:20pm with Air Canada.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Get to the airport on time to catch your flight from Toronto to DEN.

  • Show up at the airport even earlier during popular months like July. Aim for two hours before a domestic departure and as much as four hours for an international flight. After checking in, you can use any extra time to relax or find something to eat.

Airports in Toronto

Toronto Pearson International Airport (YYZ)

  • Toronto Pearson International Airport (YYZ) offers an easy route to your destination. Nonstop flights from Toronto to Denver International Airport (DEN) can be booked from this terminal.

  • When leaving from YYZ, you can catch a direct flight from Toronto to Denver International Airport with Air Canada.

  • Air Canada sees the most traveller bookings for flights from YYZ to DEN.

  • With 76.22% of services landing on schedule, Air Canada is the leading performer for punctuality on this route.

  • YYZ is about 27 kilometres from central Toronto. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 30 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the journey time to be around 25 minutes.

  • Want a leisurely start to your break? Stay near Toronto Pearson International Airport. Whether you're catching an early flight from Toronto to Denver International Airport or just don't like being rushed, these hotels are the answer:

  • When it comes to the on-time performance of Toronto Pearson International Airport, data shows 68% of flights arrive within the scheduled time frame.

Billy Bishop Toronto City Airport (YTZ)

  • YTZ is around 3 kilometres from central Toronto. It'll take 10 minutes or so to get to the airport by car from the city centre. Public transport takes roughly 20 minutes.

  • Want to treat yourself to an extra night away before your Toronto to DEN flight? Unwind in a hotel near Billy Bishop Toronto City Airport before your holiday officially begins. These stays are calling your name:

  • When it comes to keeping flights punctual, Billy Bishop Toronto City Airport has an on-time arrival performance of 70%.

John C. Munro Hamilton International Airport (YHM)

  • The journey time to YHM from central Toronto is around 1 hour 50 minutes on public transport. If you prefer to travel by car, it'll take you roughly 1 hour 10 minutes to cover the 72 kilometres or so.

  • Skip the morning rush on departure day — stay close to John C. Munro Hamilton International Airport and know you'll make it to your boarding gate with time to spare. Get comfy at one of these hotels the day before if you're catching an early Toronto to Denver International Airport flight:

  • The on-time performance record of YHM is 68%. In other words, that's how often flights from this airport arrive as planned.

About Denver International Airport (DEN)

  • Arriving on a late flight from Toronto to Denver International Airport? Don't let it steal your sleep. Stay a short drive from DEN at Baymont by Wyndham Denver International Airport.

  • Lock in the lowest price by reserving your ride around one week before your Toronto to Denver International Airport flight.

  • You'll find DEN at 8500 Pena Boulevard.

Getting from Denver International Airport (DEN) to central Denver

  • From Denver International Airport, central Denver is around 40 kilometres away. It takes about 35 minutes to reach the city centre by car.

  • It typically takes 35 minutes if you're using public transport.

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

  • $403 is the best price for a one-way ticket from Toronto to Denver International Airport. A return flight starts from $718. These prices can change depending on availability and demand.

  • Booking in advance is often the key to finding a cheap flight from Toronto to DEN. Prices tend to rise as demand increases, so the closer your departure date, the more you'll likely pay.

  • Affordable Toronto to Denver International Airport tickets are easier to find if you're not locked into specific dates. Try using the 'Whole month' tool to compare fares across the month and then fly out on the cheapest day.

  • Snapping up a cheap plane ticket from Toronto to DEN is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when a better deal is available.

  • Lock in a cheap flight from Toronto to Denver International Airport by using filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

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

  • Picture the kind of break you want when picking your flight dates. December is the quietest month to visit Denver. July is when most people book flights from Toronto to Denver International Airport (DEN), which may be perfect if you enjoy travelling when it's busier.

  • Book a Toronto to DEN plane ticket departing in July if you're eager to experience the city during its warmest month. Expect temperatures in Denver to range from 14ºC to 32ºC.

  • January has temperatures of between -9ºC and 7ºC. Look for cheap tickets from Toronto to Denver International Airport around that time if you'd rather travel in cooler conditions.

More about Denver

Explore more of the United States

  • You've visited Denver, now it's time to discover other parts of the United States. Travel about 113 kilometres south to Colorado Springs to tick off its leading sights. From Garden of the Gods to Pikes Peak Region Attractions and Red Rock Canyon, you've got a jam-packed schedule ahead.

  • Pueblo is another essential stop in the United States and is around 177 kilometres south of Denver. No trip is complete without a visit to Rosemount Museum, Cathedral of the Sacred Heart and Sangre de Cristo Arts & Conference Centre.

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