Question : How long are most people's visits to Saint Petersburg when they fly in from Columbus?
Answer : Of course you're not most people, but if you were, you'd stay roughly eight days.
Question : Would you be willing to change your travel days if it saved you money?
Answer : Monday is your cheapest day to fly in February. Being flexible with your travel days garners you even more savings during your booking.
Question : Who's offering the cheapest round-trip flight to Pulkovo Airport (LED) over the coming months?
Answer : Delta Air Lines is your best bet for finding that coveted low fare.