Cheap flights from St. Louis (STL) to Helsinki (HEL) from $438
This is the cheapest one-way flight price, found on 9/27. Prices may vary by date and flight preferences.
How to find the cheapest flight from St. Louis (STL) to Helsinki (HEL)
All the information you need to plan the best STL to HEL flight in 2023: compare St. Louis to Helsinki flight prices with the expected peak season, weather and rainfall in Helsinki.
Popular in | January |
|---|---|
Cheapest in | May |
Round-trip from | $552 |
One-way from | $477 |
STL - HEL Price | $552 - $1,441 |
|---|---|
HEL Temperature | 21.2 - 60.8 °F |
HEL Rainfall | 1.2 - 2.8 inches |
What is the cheapest day to fly round-trip from St. Louis to Helsinki?
Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 17% on your flight compared to booking on days when demand is much higher.
What is the cheapest month to fly from St. Louis to Helsinki?
The best pricing can be found in the month of May. Prices to Helsinki from St. Louis average $900. You can even find prices in May for less than $900, as users have found deals to Helsinki from as low as $340. The month of January appears to be one of the more expensive times to travel to Helsinki from St. Louis. Flying in the targeted month can save you up to 132%.
When is the cheapest time to fly from St. Louis to Helsinki (STL - HEL)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Helsinki as you normally would.
Cheap American Airlines flights from St. Louis to Helsinki
Cheap St. Louis to Helsinki flights in September & October 2023
The best prices found for STL to HEL flights for September, October
St. Louis to Helsinki 2023 flight deals
Cheap flights to Helsinki from St. Louis found for this year
St. Louis to Helsinki flights leaving soon
Late deals on return flights to Helsinki from St. Louis, departing today and this week
One-way flights to Helsinki from St. Louis
The cheapest one-way flights from St. Louis to Helsinki
Reviews of airlines servicing Helsinki
Boarding
Overall
Entertainment
Food
Comfort
Crew
Reviews
Worst Airlines - services suck. Stuck at JFK whole night with 2 small kids - they didnt care even infant baby. Never ever fly American Airlines again - Peace !!
Boarding
Overall
Entertainment
Food
Comfort
Crew
Reviews
Worst Airlines - services suck. Stuck at JFK whole night with 2 small kids - they didnt care even infant baby. Never ever fly American Airlines again - Peace !!
Boarding
Overall
Entertainment
Food
Comfort
Crew
Reviews
Worst Airlines - services suck. Stuck at JFK whole night with 2 small kids - they didnt care even infant baby. Never ever fly American Airlines again - Peace !!
Related info for your journey
Useful info, stats and facts about St. Louis to Helsinki flights.
Are there last-minute flights available from St. Louis to Helsinki for under $1,500?
There are currently 5+ open flights from St. Louis to Helsinki within the next 7 days for less than $1,500.
What are the most popular airlines that fly from St. Louis to Helsinki?
When booking a flight from St. Louis to Helsinki, you may want to consider flying on American Airlines, Finnair or KLM as they are the most popular for this route.
What does STL to HEL mean?
Lambert-St Louis Airport is STL and Helsinki-Vantaa Airport is HEL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.
Other flights from St. Louis
Flights to Helsinki from St. Louis
Top 5 airlines flying from St. Louis to Helsinki
The chart below displays the airlines Cheapflights users traveling from St. Louis to Helsinki choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
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