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HEL (Helsinki) to STL (St. Louis) Flights $1,040.16

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Cheap HEL to STL Flights

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

Interesting Facts About Flights from Helsinki to St. Louis (HEL to STL)

Question : Do travelers from Helsinki typically stay in Saint Louis for very long?
Answer : Over the next two months, travelers from HEL to STL are planning on staying for 19 days on average.

Question : Would you be willing to change your travel days if it saved you money?
Answer : The cheapest day to fly in June is Wednesday. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : In the next four weeks, what day should you book your trip?
Answer : As of May 22nd, the cheapest day to fly from Helsinki to Saint Louis is Jun 7th. Tickets are currently being sold for $691, which is 68% below the average price for this route.

Question : Do prices fluctuate more for this route than others?
Answer : Prices for this trip tend to change a lot more than other flights from Finland. They can range anywhere from $691 to $3,283. Prices tend to be lower the further out you book.