Flights from Denver to Montreal
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From $523 · Prices update daily
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The quick answer
Flights from Denver to Montreal start around $523 round-trip. Main carrier: Frontier Airlines. Cheapest month to fly: October. Visa-free for US passport holders (Canada).
Price calendar — next 60 days
★ Cheapest: $523 on Sat, Oct 17 · F9
Lowest return fares · Prices update daily · Final price confirmed at booking
Price calendar — Denver to Montreal
Month-by-month lowest fares. Green = cheapest dates.
Canada essentials
🟢 Visa-free for US passport holders · up to 6 months
Visa-free for US citizens; passport required.
Full Montreal visa guide →🆘 Emergency
911
💱 Currency
Canadian Dollar (C$)
🕐 Time zone
UTC−3.5 to −8
🗣️ Language
English, French
🔌 Plugs
Type A/B · 120V
🚗 Driving
Right side
💡 Tipping
Expected — 15–20%
📞 Dial code
+1
🏛️ US Embassy
Ottawa · +1 613-688-5335
Entry rules can change — always confirm with official sources before booking.
Stay connected in Montreal
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Denver to Montreal trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in Montreal
Pre-book your ride into Montreal. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Denver to Montreal flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Denver to Montreal — frequently asked
How much is a flight from Denver to Montreal?+
Fares start around $523 round-trip. Prices update daily across 800+ airlines.
What is the cheapest month to fly Denver to Montreal?+
October typically has the lowest fares.
Are there direct flights from Denver to Montreal?+
This route is usually served by connecting flights. Use the search above to check for any direct options on your dates.
Which airlines fly from Denver to Montreal?+
Carriers on this route include Frontier Airlines. Compare them side by side in the search above.
Do US citizens need a visa for Canada?+
Visa-free for US passport holders for stays up to 6 months. Visa-free for US citizens; passport required.
What currency is used in Canada?+
The Canadian Dollar (CAD, C$). The emergency number is 911.
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