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SOF (Sofia) to STL (St. Louis) Flights $901.06

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Cheap SOF to STL Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Sofia to St. Louis (SOF to STL)

Question : Would you be willing to change your travel days if it saved you money?
Answer : The cheapest day to fly in June is Sunday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : What day in the next four weeks has the best fares?
Answer : Jun 4th has seen bookings (as of May 22nd) as cheap as $968. That comes in 68% below the average price for this route. Saving now means you'll have more money to spend on your trip.

Question : How long do most people stay in Saint Louis?
Answer : Of course you're not most people, but if you were, you'd stay roughly 18 days.

Question : Are you paying the cheapest or highest price for your ticket to Saint Louis?
Answer : Prices for this trip tend to fluctuate a lot more than other flights from Bulgaria. They can vary anywhere from $968 to $3,768. Prices tend to be lower the further out you book.