from San Francisco to Dublin, Ireland $667
$667
Departure from: San Francisco (SFO)
Destination: Dublin (DUB)
Stops: Istanbul
Airline(s): Turkish Airlines
Sample dates: May 4 – Jul 6
Total miles flown: 17,122 miles
Fare class: W, Q (should earn 100% for Q part, 8,561 miles)
Cost per mile flown (the lower the better): 3.8