Air Canada Flight AC427 Deals & Information (2025/2026)

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Frequently asked questions

What route does flight number AC427 take?
Flight number AC427 flies non-stop from YUL to Pearson Intl. Airport (YYZ). During this trip, expect to be in the air for around 1 hour and 22 minutes. Book ahead to lock in your preferred seat.
What kind of plane is on flight number AC427?
You’ll probably be jumping on board an Airbus A220-300 if your flight number is AC427. This flight nearly always departs from Montreal, QC Airport (YUL-Pierre Elliott Trudeau Intl.) and arrives at Toronton Pearson.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AC427 flight with Travelocity, please visit our Customer Service Portal.