Least expensive travel to Frankfurt for a three week period between the end of June to the end of August.
I used the x,y,z websites in researching this assignment.
I tried the following three week periods. Prices tended to increase through the summer.
The least expensive airfare flying from Omaha to Frankfurt.
Add airfare graphic here.
The least expensive airfare using a combination of bus and plane.
Submitted by (your name) on (date).