May is the cheapest month to fly this route, with average fares around $241 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $241 | $196 | Best | |
| June 2026 | $247 | $206 | ||
| July 2026 | $316 | $271 | ||
| August 2026 | $366 | $333 | Peak |
Departing on Tuesday offers the lowest average fares at $261. Sunday departures are the most expensive at $314, a difference of $53.
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 Paris to Istanbul is May, with average round-trip fares around $241. The lowest fare found in May is $196.
Tuesday departures are the cheapest, averaging $261 round trip. The most expensive day is Sunday at $314.
Based on current pricing trends, booking for May travel offers the best value. Avoid August if possible, as fares average $366 compared to $241 in the cheapest month. July is a solid middle-ground option at $316.
Flying in May instead of August can save you approximately $125 per round trip. The cheapest month averages $241 while the most expensive averages $366.
Airlines, flight times, price calendar, and more for Paris to Istanbul
View CDG → IST Details