A Delta/Air France Economy return flight between San Francisco to Dublin could cost you just 4 cents per mile – at just $409.20 on selected dates! Availability is excellent in February but there are also some flights to be found in later months.
At just 5 cents per mile, Delta and Air France Economy flights from Chicago to Dublin for just $389.20 return are also a steal. We found good availability sub-$500 for the next few months, with February showing quite a few dates for under $390:
Plus Washington to Dublin is 8 cents per mile, with return flights from just $529.
Use ITA Matrix or Delta to find your dates.