Route guide
Cheap Flights from Denver to Toronto: Book Airline Tickets
- Distance
- about 1,310 mi
- Typical flight time
- 2 h 45 min – 3 h 45 min
- Airports
- 1 × 2
- Time difference
- 2 h ahead
This page covers the practical side of flying between Denver and Toronto: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Denver to Toronto is about 1,310 miles (2,110 km) and a typical flight takes 2 h 45 min to 3 h 45 min. Toronto is 2 hours ahead of Denver. Denver has 1 airport to compare and Toronto has 2.
Airport pairs to compare
Denver's airport lies on the plains northeast of the city, roughly 25 miles from downtown, so ground transport time matters. Toronto has a large main airport west of downtown and a small island airport close to the city center.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| DEN to YYZ | Denver International | Toronto Pearson International |
| DEN to YTZ | Denver International | Billy Bishop Toronto City |
About the airports
- DEN · Denver International
Sits roughly 25 miles northeast of downtown, with a commuter rail line to Union Station. - YYZ · Toronto Pearson International
The main airport, west of downtown, with a direct express train. - YTZ · Billy Bishop Toronto City
A small airport on the waterfront close to downtown.
Airlines with a major base at either end
- At Denver: United Airlines, Southwest Airlines
- At Toronto: Air Canada
Airlines with a base at one end often connect through their hub. A specialist can compare nonstop and connecting options on your dates.
When to go and what to expect
Denver
Ski season (roughly late November through April) and summer are the busiest periods. Winter storms can disrupt flights, and spring snow is not unusual.
Toronto
Summer and early fall are the most popular. Winters are cold and snowy, and flights can be delayed by weather.
International trip: you will need a valid passport, and possibly a visa or entry authorization. Our international checklist covers what to check.
How long is Denver to Toronto?
At about 1,310 miles, Denver to Toronto is a short-to-medium flight. Fares on routes this length are sensitive to the day of the week and the time of day, so check a few departure times before you settle.
Time zones and timing
Toronto is 2 hours ahead of Denver, so you land at a local time 2 hours later than departure time plus flight time would suggest. Plan your arrival day around local time at the destination.
Getting between the airport and town
Denver: The A Line commuter train runs from the airport to Union Station downtown. Shuttles and rental cars serve the mountains.
Toronto: The UP Express train runs between Pearson and Union Station in roughly 25 minutes.
Planning ground transport too? See our car rental guide.
Good to know
- Check every airport pairing when you compare fares. Schedules and airline options can differ between them.
- If you are heading to a ski area, allow extra time on mountain roads in winter, and watch the forecast before travel day.
- U.S. citizens need a passport to fly to Canada. Check entry requirements before you travel.
- International travel: check passport, visa and entry rules well before you pay. See our international checklist.
- U.S. citizens need a passport to fly to Canada. Check entry requirements before you travel.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying Toronto to Denver?
This route guide works in both directions. For other trips, see all flights from Denver or all flights from Toronto.
Frequently asked questions
How far is Denver from Toronto?
The straight-line distance between the main airports is about 1,310 miles (2,110 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Denver to Toronto?
A typical scheduled flight takes roughly 2 h 45 min to 3 h 45 min in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Denver: DEN (Denver International). At Toronto: YYZ (Toronto Pearson International), YTZ (Billy Bishop Toronto City). Ask for prices on more than one pairing.
Is there a time difference?
Toronto is 2 hours ahead of Denver.
When is the best time to fly from Denver to Toronto?
In Denver: Ski season (roughly late November through April) and summer are the busiest periods. Winter storms can disrupt flights, and spring snow is not unusual. In Toronto: Summer and early fall are the most popular. Winters are cold and snowy, and flights can be delayed by weather. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Denver to Toronto?
Airlines with a major base at either end include United Airlines, Southwest Airlines and Air Canada. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
What documents do I need?
A valid passport is required. Entry rules depend on your citizenship, so check the official guidance for the destination. See our international checklist.
Route details updated October 18, 2026.