June is the cheapest month to fly this route, with average fares around $152 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $245 | $205 | ||
| June 2026 | $152 | $104 | Best | |
| July 2026 | $232 | $169 | ||
| August 2026 | $277 | $251 | Peak |
Departing on Wednesday offers the lowest average fares at $185. Friday departures are the most expensive at $225, a difference of $40.
The best time to fly is June. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Paris to Lisbon is June, with average round-trip fares around $152. The lowest fare found in June is $104.
Wednesday departures are the cheapest, averaging $185 round trip. The most expensive day is Friday at $225.
Based on current pricing trends, booking for June travel offers the best value. Avoid August if possible, as fares average $277 compared to $152 in the cheapest month. May is a solid middle-ground option at $245.
Flying in June instead of August can save you approximately $125 per round trip. The cheapest month averages $152 while the most expensive averages $277.
Airlines, flight times, price calendar, and more for Paris to Lisbon
View CDG → LIS Details