$657+ Cheap flights from St. Louis (STL) to Helsinki (HEL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from St. Louis to Helsinki with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Helsinki
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $767 (Finnair) |
One-way from | $657 (American Airlines) |
Popular in | June |
Cheapest in | November |
Average price | $1,514 |
Find flight deals from St. Louis to Helsinki
Best flights from St. Louis to HelsinkiDiscover carefully curated flight deals from St. Louis to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.
Discover carefully curated flight deals from St. Louis to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.
This Finnair deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gurufare deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air France deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Lufthansa deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Turkish Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from St. Louis to Helsinki within your budget
Customize your flight search to find flights from St. Louis to Helsinki that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Sun 4/27
6:25 pm-2:15 pm
1 stop11h 50m
Helsinki-Vantaa
Tue 5/13
4:00 pm-11:23 pm
1 stop15h 23m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Tue 4/29
9:55 am-2:15 pm
1 stop20h 20m
Helsinki-Vantaa
Tue 5/13
12:35 pm-11:23 pm
2 stops18h 48m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Tue 4/1
3:50 pm-4:40 pm
2 stops16h 50m
Helsinki-Vantaa
Mon 4/21
6:40 am-9:33 pm
2 stops22h 53m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Tue 4/29
2:10 pm-2:20 pm
2 stops16h 10m
Helsinki-Vantaa
Tue 5/13
11:05 am-11:23 pm
2 stops20h 18m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Sat 1/18
10:59 am-4:50 pm
2 stops21h 51m
Helsinki-Vantaa
Wed 1/22
11:20 am-11:37 pm
2 stops20h 17m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Mon 4/28
5:45 pm-4:40 pm
2 stops14h 55m
Helsinki-Vantaa
Tue 5/13
6:40 am-4:45 pm
2 stops18h 05m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Wed 4/30
5:45 pm-5:40 pm
2 stops15h 55m
Helsinki-Vantaa
Mon 5/12
1:55 pm-11:38 pm
2 stops17h 43m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Fri 5/2
3:30 pm-12:50 pm
1 stop13h 20m
Helsinki-Vantaa
Tue 5/13
6:00 am-3:38 pm
2 stops17h 38m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Sat 4/26
5:18 pm-11:40 am
2 stops34h 22m
Helsinki-Vantaa
Wed 5/14
7:35 pm-2:48 pm
2 stops27h 13m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Tue 4/29
9:39 am-12:50 pm
3 stops19h 11m
Helsinki-Vantaa
Tue 5/13
6:00 am-9:47 pm
3 stops23h 47m
Compare providers for flights from St. Louis to Helsinki
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Helsinki in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Helsinki flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Helsinki flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Helsinki
Have a flexible travel schedule? Discover the best time to fly to Helsinki from St. Louis with our price prediction graph.
Travel insights for flights from St. Louis to Helsinki
Get recent, data-driven insights about flights from St. Louis to Helsinki including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from St. Louis to Helsinki?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Helsinki (average of $444). Flying from St. Louis to Helsinki in June is currently the most expensive (average of $1,200). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STL to HEL?
Find hourly flight availability from St. Louis to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.
It’s typically best to fly out from St. Louis to Helsinki in the morning. Doing so could potentially save you 53% on the flight price compared to flying at noon, which is usually more expensive.
Rainfall in Helsinki by month
Plan your trip to Helsinki by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.
Temperature in Helsinki by month
Plan your trip to Helsinki by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).
Reviews of airlines servicing Helsinki
Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated December 18, 2024.
Crew
Food
Entertainment
Overall
Boarding
Comfort
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Food
Entertainment
Overall
Boarding
Comfort
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Food
Entertainment
Overall
Boarding
Comfort
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Food
Entertainment
Overall
Boarding
Comfort
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Food
Entertainment
Overall
Boarding
Comfort
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Food
Entertainment
Overall
Boarding
Comfort
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Helsinki
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from St. Louis to Helsinki
Discover the top 4 airlines that operate flights from St. Louis to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$479 | Average$1,485 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$500 | Average$1,474 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$576 | Average$701 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$650 | Average$849 | FlexibilityNo cancel fee | On-time76% |