Flights from Denver to Toronto
North AmericaYear-round

Cheap Flights from Denver to Toronto

Track economy fares on the DENYYZ route and get alerts when prices drop.

From
Denver
DEN
To
Toronto
YYZ

Route Intelligence: DenverToronto

Flight Duration

3 hr 45 min (Direct)

Price Guidance

A good deal is under $300 roundtrip. Standard fare is $450-$600+.

Peak Season

June to August

Top Airlines

Air Canada, United Airlines, WestJet

Booking Tip

Book 6-8 weeks in advance for the best fares on this route. Traveling Tuesday through Thursday can save 10-20% compared to weekend departures.

Track DenverToronto Fares

Set your target price and FlightKitten will scan this route twice daily. The instant economy fares drop below your budget, you'll get an email with the price, airline, and a direct booking link.

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Flying Business Class?

If you're considering business class on this route, BusinessClassSignal.com is a dedicated tool that tracks premium cabin fares. They alert you when business & first class prices drop — worth checking out if you fly up front.

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Other Routes to Toronto

More Destinations in North America

Route Briefing: Denver to Toronto

Denver and Toronto might sit in different countries, but at just under four hours in the air, this direct flight makes Canada's largest city feel like a surprisingly easy getaway. Air Canada, United, and WestJet all service this route year-round, and if you time your booking right — roughly six to eight weeks out — you can snag a roundtrip fare under $300. Standard pricing runs closer to $450 to $600, so that window matters. Flying midweek, Tuesday through Thursday, can shave another ten to twenty percent off compared to weekend departures, which is real money you can put toward exploring one of North America's most genuinely exciting cities.

Toronto rewards curiosity. It's one of the most ethnically diverse cities on the planet, and that shows up most vividly in its neighborhoods and its food. You can eat your way through Chinatown, Little Italy, Greektown, and Kensington Market within a single afternoon and feel like you've traveled across continents without leaving the city. The CN Tower still delivers — the glass floor observation deck is legitimately thrilling even if you think you're above that sort of thing — and the waterfront along Lake Ontario gives the city a breezy, open feel that surprises a lot of first-timers expecting a purely urban experience.

One of the smartest moves you can make from Toronto is a day trip to Niagara Falls, which sits about an hour and a half away by car or bus. The falls are genuinely jaw-dropping up close, and the Canadian side offers the best vantage point by far. It's the kind of side trip that turns a solid city break into something truly memorable.

From Toronto Pearson International Airport, the UP Express train connects directly to Union Station in downtown Toronto in about 25 minutes, making it one of the smoothest airport-to-city transfers in North America. Skip the taxi queue and take the train — it's fast, affordable, and drops you right in the heart of the city.

Timing-wise, June through August is peak season, and for good reason — the weather is warm, the patios are packed, and the city is fully alive. That said, shoulder seasons like May and September offer a compelling trade-off: thinner crowds, lower fares, and Toronto still looking its best. Winter is cold and snowy, but the city handles it well and hotel prices drop considerably if you don't mind bundling up. Whatever season you choose, don't leave without trying poutine — the real thing, with proper cheese curds and gravy, is a rite of passage that Denver simply cannot replicate.

How much are flights from Denver to Toronto in 2026?

Flight prices from Denver (DEN) to Toronto (YYZ) vary significantly depending on the season, day of the week, and how far in advance you book. A good deal is under $300 roundtrip. Standard fare is $450-$600+. Popular carriers on this route include Air Canada, United Airlines, WestJet. FlightKitten eliminates the guesswork by monitoring 220+ airlines twice daily and alerting you the moment economy fares hit your target price.

How does FlightKitten track Denver to Toronto fares?

FlightKitten scans over 220 airlines twice every day for economy fares on the DEN to YYZ route. When you set a target price, FlightKitten continuously monitors this route and sends an email alert the moment fares drop below your budget. Each alert includes the exact fare, airline, dates, and an AI-powered briefing that explains whether the deal is genuinely good compared to historical pricing on this route. No more obsessive price checking — set your budget and let FlightKitten do the watching.

Pro tip: Book 6-8 weeks in advance for the best fares on this route. Traveling Tuesday through Thursday can save 10-20% compared to weekend departures.

Looking for business class deals on this route? We recommend checking out BusinessClassSignal.com — a dedicated premium cabin fare tracker that's worth a look if you fly up front.