Lowest Prices
Uncover the best deals on Ontario to Montréal flights by comparing fares from hundreds of airlines and agencies.
Useful information for finding best airline tickets from Ontario International to Montreal / Pierre Elliott Trudeau International Ai on your next trip.
Cheapest Round Trip Flight
$886
Delta Airlines
• 1 stop
• 13h 50m
Nov 13 – Nov 17
The cheapest round trip flight from Ontario to Montréal (ONT-YUL-ONT) is currently $886
Fastest Flight
13h 50m
The fastest nonstop flight from Ontario to Montréal (ONT-YUL) takes 13h 50m
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | Montreal / Pierre Elliott Trudeau International Ai, Montréal, CA |
| Distance | 2430 miles |