May is the cheapest month to fly this route, with average fares around $554 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $554 | $511 | Best | |
| June 2026 | $612 | $476 | ||
| July 2026 | $815 | $742 | Peak | |
| August 2026 | $733 | $690 |
Departing on Monday offers the lowest average fares at $682. Thursday departures are the most expensive at $720, a difference of $38.
The best time to fly is May. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Montreal to Paris is May, with average round-trip fares around $554. The lowest fare found in May is $511.
Monday departures are the cheapest, averaging $682 round trip. The most expensive day is Thursday at $720.
Based on current pricing trends, booking for May travel offers the best value. Avoid July if possible, as fares average $815 compared to $554 in the cheapest month. August is a solid middle-ground option at $733.
Flying in May instead of July can save you approximately $261 per round trip. The cheapest month averages $554 while the most expensive averages $815.
Airlines, flight times, price calendar, and more for Montreal to Paris
View YUL → CDG Details