Fly nonstop from Denver to Frankfurt for $636 round-trip on Lufthansa.
Seen below, we found seats departing Denver on Friday, October 21, returning from FRA on Tuesday, November 1.
Other dates are also available for travel from October through December.
See our fare details for booking info.
All products and services mentioned on Airfarewatchdog are independently selected by our team of expert travelers. If you buy something through our links, we may earn an affiliate commission.