June is the cheapest month to fly this route, with average fares around $190 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $226 | $158 | ||
| June 2026 | $190 | $142 | Best | |
| July 2026 | $242 | $208 | ||
| August 2026 | $289 | $284 | Peak |
Departing on Wednesday offers the lowest average fares at $209. Sunday departures are the most expensive at $250, a difference of $41.
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 Istanbul to Frankfurt is June, with average round-trip fares around $190. The lowest fare found in June is $142.
Wednesday departures are the cheapest, averaging $209 round trip. The most expensive day is Sunday at $250.
Based on current pricing trends, booking for June travel offers the best value. Avoid August if possible, as fares average $289 compared to $190 in the cheapest month. July is a solid middle-ground option at $242.
Flying in June instead of August can save you approximately $99 per round trip. The cheapest month averages $190 while the most expensive averages $289.
Airlines, flight times, price calendar, and more for Istanbul to Frankfurt
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