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Cheap flights from Toronto to Denver

Compare Toronto to Denver flight deals

Find the cheapest month or even day of the year to fly to Denver

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Flight deals from Toronto to Denver

Looking for a cheap last-minute deal or the best round-trip flight from Toronto to Denver? Find the lowest prices on one-way and round-trip tickets right here.
Denver.$236 per passenger.Departing Thu, Jan 22, returning Thu, Jan 29.Round-trip flight with Flair Airlines and Frontier Airlines.Outbound indirect flight with Flair Airlines, departing from Toronto Pearson International on Thu, Jan 22, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departing from Denver International on Thu, Jan 29, arriving in Toronto Pearson International.Price includes taxes and charges.From $236, select.
Denver.$249 per passenger.Departing Tue, Dec 9, returning Mon, Dec 15.Round-trip flight with WestJet and Frontier Airlines.Outbound indirect flight with WestJet, departing from Toronto Pearson International on Tue, Dec 9, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departing from Denver International on Mon, Dec 15, arriving in Toronto Pearson International.Price includes taxes and charges.From $249, select.
Denver.$259 per passenger.Departing Thu, Jan 29, returning Mon, Feb 2.Round-trip flight with Flair Airlines and Frontier Airlines.Outbound indirect flight with Flair Airlines, departing from Toronto Pearson International on Thu, Jan 29, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departing from Denver International on Mon, Feb 2, arriving in Toronto Pearson International.Price includes taxes and charges.From $259, select.
Denver.$291 per passenger.Departing Mon, Nov 10, returning Sat, Nov 15.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Toronto Pearson International on Mon, Nov 10, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departing from Denver International on Sat, Nov 15, arriving in Toronto Island.Price includes taxes and charges.From $291, select.
Denver.$297 per passenger.Departing Sun, Nov 23, returning Wed, Dec 3.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Toronto Island on Sun, Nov 23, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departing from Denver International on Wed, Dec 3, arriving in Toronto Pearson International.Price includes taxes and charges.From $297, select.
Denver.$312 per passenger.Departing Mon, Feb 16, returning Fri, Feb 27.Round-trip flight with WestJet and Frontier Airlines.Outbound indirect flight with WestJet, departing from Toronto Pearson International on Mon, Feb 16, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departing from Denver International on Fri, Feb 27, arriving in Toronto Pearson International.Price includes taxes and charges.From $312, select.
Denver.$321 per passenger.Departing Fri, Feb 27, returning Tue, Mar 3.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Toronto Pearson International on Fri, Feb 27, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departing from Denver International on Tue, Mar 3, arriving in Toronto Pearson International.Price includes taxes and charges.From $321, select.
Denver.$359 per passenger.Departing Thu, Mar 5, returning Sun, Mar 8.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Toronto Island on Thu, Mar 5, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departing from Denver International on Sun, Mar 8, arriving in Toronto Pearson International.Price includes taxes and charges.From $359, select.

Find the cheapest month to fly from Toronto to Denver

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Toronto to Denver flights are currently cheapest in January.
Oct
from $396
Nov
from $291
Dec
from $248
Jan
from $236
Feb
from $312
Mar
from $359
Apr
from $512
May
from $562
Jun
from $585
Jul
from $541
Aug
from $586
Sep
from $533

Direct flights from Toronto to Denver

Alternative Toronto to Denver routes

Looking for the cheapest, fastest or easiest route from Toronto to Denver? You could fly into the following airports instead.

Toronto to Denver: Flight information

The things to know before you go.
Cheapest flight found$236
Cheapest month to flyJanuary
Average flight time3 hrs, 47 mins
Most popular airlineAir Canada
Average flights per week84

Finding cheap flights from Toronto to Denver: Frequently asked questions

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.
The best price we found for a round-trip flight from Toronto to Denver is $236. 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 47 minutes is the average flight time from Toronto to Denver.
Air Canada, United and Austrian Airlines fly direct from Toronto to Denver.
There are 84 flights per week flying from Toronto to Denver, as of October 2025.
The cheapest month to fly from Toronto to Denver is usually January.
If you're flying from Toronto, the cheapest airport near Denver is Denver International – which is 29.9 km away from the center of Denver. We've found flights to this airport from $236.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Toronto to Denver on Thursday, January 22, 2026.
Yes – the average flight time is 3 hours and 47 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 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.
In October, the average temperature is usually around 10°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.
The cheapest airline that flies to Denver is Flair Airlines, and the cheapest airline that flies to Broomfield Airport is Air Canada.

Flying from Toronto to Denver: what you need to know

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

  • Touch down at Denver International Airport (DEN), the chief entry point to Denver.

  • Hop on a direct Toronto to Denver flight and you'll be in the air for an average of 3 hours 45 minutes.

  • Denver is two hours behind Toronto and observes the UTC-6 timezone.

  • Pearson International Airport (YYZ) to Denver International Airport (DEN) is the most traveled route between these two cities. There are 25 flights a week to pick from. If you prefer starting your day later, the last flight from Toronto to Denver is with Air Canada at 18:20. Go for the first YYZ to DEN departure with Air Canada at 08:35 to maximize your time in Denver.

  • To ensure you board your Toronto to Denver flight, leave plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general rule to follow.

  • Flying during a peak time such as August? Public holidays and other popular periods can mean longer queues at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before a domestic departure.

How to find the cheapest flights from Toronto to Denver

  • Lock in cheap Toronto to Denver flights by booking two months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • The best month for landing cheap plane tickets from Toronto to Denver is May. Use the 'Whole month' tool to compare flight prices, then select the dates offering the lowest fares.

  • Save time searching for cheap flights from Toronto to Denver by setting up a Price Alert. You'll receive an email or notification through the app when a lower fare pops up.

  • Tailor your trip using filters. Select your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' Toronto to Denver flights.

Flying from Toronto

Pearson International Airport (YYZ)

  • You can catch a direct flight from Toronto to Denver leaving from Pearson International Airport (YYZ). Start your journey at YYZ and come in for landing at Denver International Airport (DEN).

  • Be on the lookout for deals with Air Canada. This airline offers direct Toronto to Denver plane tickets from YYZ.

  • The journey from central Toronto to YYZ takes around 50 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 19 kilometers in 25 minutes or so, depending on traffic conditions.

  • Searching for a handy hotel close to Pearson International Airport? If you're boarding an early flight from Toronto to Denver, these stays will put you moments from your departure lounge:

  • When it comes to the on-time performance of Pearson International Airport, 63.97% of flights stick to their scheduled arrival time.

Billy Bishop Toronto City Airport (YTZ)

  • You can reach YTZ from central Toronto in about 35 minutes by car, depending on traffic. The ride by public transport will take roughly 40 minutes to travel the 3 kilometers or so.

  • It's your vacation, so why not book another night away? Consider kicking back in one of these accommodation options near Billy Bishop Toronto City Airport the day before your flight from Toronto to Denver:

  • When it comes to flights staying on schedule, Billy Bishop Toronto City Airport has an on-time arrival rate of 62%.

Region of Waterloo International Airport (YKF)

  • From the center of Toronto, YKF is around 80 kilometers away. It takes roughly 1 hour 15 minutes to arrive by car and 4 hours 5 minutes or so if you take public transport.

  • Make catching an early Toronto to Denver flight the easiest part of your trip. Book a room at one of these hotels near Region of Waterloo International Airport and get to your departure gate without rushing:

  • The on-time performance rate of YKF is 63.64%. To put it simply, that's how often flights from this airport reach their final stop as planned.

Arriving in Denver

Denver International Airport (DEN)

  • Denver International Airport (DEN) is approximately 29 kilometers from central Denver. If you're catching a cab or a ride-share, the drive takes roughly 35 minutes.

  • It usually takes 1 hour 30 minutes to get there when traveling by public transport.

  • Consider checking in to The Westin Denver International Airport after your flight from Toronto to Denver. It's a quick drive from DEN and a good option if you'd like to rest right after your journey.

  • Say yes to new adventures by picking up a Denver International Airport rental car. Grab a set of wheels from Routes Car Rentals, Dollar or Budget and explore beyond Denver's main sights.

  • Secure the lowest price by reserving your ride from Denver International Airport about one week ahead of your departure.

  • The address for DEN is 8500 Pena Boulevard.

Best time to go to Denver

  • April is the quietest month for flights from Toronto to Denver, while July is the most popular. Choose the ideal time to go to Denver based on whether you like a laid-back vibe or a more bustling atmosphere.

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

  • January sees average temperatures of between -9ºC (16ºF) and 7ºC (45ºF). Look for cheap flights from Toronto to Denver around that time if you'd rather travel in cooler conditions.

More about Denver

Explore more of United States

  • Colorado Springs is just one of the many places in United States waiting to be discovered once you've taken in the sights of Denver. Around 105 kilometers to the south, its top attractions include US Northern Command (USNORTHCOM) / North American Aerospace Defense Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • Aurora is another essential stop in United States and is around 13 kilometers east of Denver. No journey is complete without a visit to Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.

Plan the rest of your trip from Toronto to Denver

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