July is the cheapest month to fly this route, with average fares around $1010 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $1050 | $901 | ||
| June 2026 | $1055 | $843 | Peak | |
| July 2026 | $1010 | $925 | Best | |
| August 2026 | $1028 | $1020 |
Departing on Tuesday offers the lowest average fares at $974. Friday departures are the most expensive at $1126, a difference of $152.
The best time to fly is July. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Chicago to Frankfurt is July, with average round-trip fares around $1010. The lowest fare found in July is $925.
Tuesday departures are the cheapest, averaging $974 round trip. The most expensive day is Friday at $1126.
Based on current pricing trends, booking for July travel offers the best value. Avoid June if possible, as fares average $1055 compared to $1010 in the cheapest month. May is a solid middle-ground option at $1050.
Flying in July instead of June can save you approximately $45 per round trip. The cheapest month averages $1010 while the most expensive averages $1055.
Airlines, flight times, price calendar, and more for Chicago to Frankfurt
View ORD → FRA Details