Denver, CO to Toronto, Canada flights
Flights starting at £114. Choose between United Airlines, Frontier Airlines, or Porter Airlines to find the best price.

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Cheapest one-way trip | £133 |
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Cheapest nonstop round-trip | £344 |
Cheapest round-trip | £338 |
Includes rare itinerary | Travel hack |
Nonstop flights in June | £198 – £839 |
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Weekly direct flights
Discover the top airlines offering direct flights from Denver to Toronto in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Mon 29.05 - Sun 04.06
Airline | Mon 29.05 | Tue 30.05 | Wed 31.05 | Thu 01.06 | Fri 02.06 | Sat 03.06 | Sun 04.06 |
---|---|---|---|---|---|---|---|
4 | 4 | 4 | 4 | 4 | 4 | 3 | |
1 | --- | --- | --- | --- | --- | 1 |
Weekly direct flights for Mon 05.06 - Sun 11.06
Airline | Mon 05.06 | Tue 06.06 | Wed 07.06 | Thu 08.06 | Fri 09.06 | Sat 10.06 | Sun 11.06 |
---|---|---|---|---|---|---|---|
3 | 3 | 4 | 3 | 2 | 1 | 1 | |
1 | 1 | --- | 1 | 2 | 3 | 3 |
Weekly direct flights for Mon 12.06 - Sun 18.06
Airline | Mon 12.06 | Tue 13.06 | Wed 14.06 | Thu 15.06 | Fri 16.06 | Sat 17.06 | Sun 18.06 |
---|---|---|---|---|---|---|---|
4 | 4 | 4 | 4 | 4 | 3 | 4 | |
1 | 1 | 2 | 1 | 1 | 2 | 1 |
Weekly direct flights for Mon 19.06 - Sun 25.06
Airline | Mon 19.06 | Tue 20.06 | Wed 21.06 | Thu 22.06 | Fri 23.06 | Sat 24.06 | Sun 25.06 |
---|---|---|---|---|---|---|---|
4 | 4 | 4 | 4 | 4 | 4 | 4 | |
2 | 2 | 2 | --- | --- | --- | --- |
Check-in for a flight from Denver to Toronto
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Porter Airlines | POE | PD | Yes | 0 0 |
Air Canada | ACA | AC | Yes | No |
Delta Air Lines | DAL | DL | Yes | Opens 24 days before flight Closes 1 hours before flight |
Canada COVID-19 travel restrictions

Most travelers from Denver, DEN can enter Toronto, YYZ, but there are restrictions.
Departure
Travel restrictions |
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Visa requirements |
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Additional information |
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Return
Travel restrictions |
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Visa requirements |
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Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.
Learn more about COVID-19 restrictions in Canada in our dedicated Stories article.
Frequently asked questions
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