May is the cheapest month to fly this route, with average fares around $950 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $950 | $776 | Best | |
| June 2026 | $1006 | $793 | Peak | |
| July 2026 | $998 | $907 | ||
| August 2026 | $954 | $907 |
Departing on Wednesday offers the lowest average fares at $960. Friday departures are the most expensive at $1059, a difference of $99.
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 Denver to Frankfurt is May, with average round-trip fares around $950. The lowest fare found in May is $776.
Wednesday departures are the cheapest, averaging $960 round trip. The most expensive day is Friday at $1059.
Based on current pricing trends, booking for May travel offers the best value. Avoid June if possible, as fares average $1006 compared to $950 in the cheapest month. July is a solid middle-ground option at $998.
Flying in May instead of June can save you approximately $56 per round trip. The cheapest month averages $950 while the most expensive averages $1006.
Airlines, flight times, price calendar, and more for Denver to Frankfurt
View DEN → FRA Details