June is the cheapest month to fly this route, with average fares around $176 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $277 | $236 | Peak | |
| June 2026 | $176 | $144 | Best | |
| July 2026 | $267 | $192 | ||
| August 2026 | $270 | $249 |
Departing on Tuesday offers the lowest average fares at $215. Friday departures are the most expensive at $243, a difference of $28.
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 Frankfurt to Istanbul is June, with average round-trip fares around $176. The lowest fare found in June is $144.
Tuesday departures are the cheapest, averaging $215 round trip. The most expensive day is Friday at $243.
Based on current pricing trends, booking for June travel offers the best value. Avoid May if possible, as fares average $277 compared to $176 in the cheapest month. August is a solid middle-ground option at $270.
Flying in June instead of May can save you approximately $101 per round trip. The cheapest month averages $176 while the most expensive averages $277.
Airlines, flight times, price calendar, and more for Frankfurt to Istanbul
View FRA → IST Details