Question : How many days should you spend in Porto if you're flying in from Kiev?
Answer : Travelers from KBP to OPO stay three days on average.
Question : Would you be willing to change your travel days if it saved you money?
Answer : For the month of February, the cheapest day to fly is Wednesday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.
Question : Which airline is offering the cheapest round-trip flight from KBP to OPO?
Answer : Check out Lufthansa, as they have been booking customers at lower fares than most.