Air Canada Flight AC423 Deals & Information (2025/2026)

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Frequently asked questions

What route does flight number AC423 take?
You'll be landing at Pearson Intl. Airport (YYZ) from YUL if you've booked a ticket on flight number AC423. You'll be in the air for 1 hour and 22 minutes during this journey. What's more, it conveniently operates non-stop.
What kind of plane is on flight number AC423?
Get set to cruise the skies aboard a Boeing 787-9 if you have a seat on flight AC423. Most flights from Montreal, QC Airport (YUL-Pierre Elliott Trudeau Intl.) to Toronto, ON Airport (YYZ-Pearson Intl.) use this model of aircraft.
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 AC423 flight with Travelocity, please visit our Customer Service Portal.