August is the cheapest month to fly this route, with average fares around $180 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $242 | $222 | Peak | |
| June 2026 | $182 | $118 | ||
| July 2026 | $223 | $184 | ||
| August 2026 | $180 | $152 | Best |
Departing on Wednesday offers the lowest average fares at $188. Sunday departures are the most expensive at $234, a difference of $46.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Lisbon to Paris is August, with average round-trip fares around $180. The lowest fare found in August is $152.
Wednesday departures are the cheapest, averaging $188 round trip. The most expensive day is Sunday at $234.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $242 compared to $180 in the cheapest month. July is a solid middle-ground option at $223.
Flying in August instead of May can save you approximately $62 per round trip. The cheapest month averages $180 while the most expensive averages $242.
Airlines, flight times, price calendar, and more for Lisbon to Paris
View LIS → CDG Details