Finland

$657+ Cheap flights from St. Louis (STL) to Finland

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.
STL — HEL
Dec 23 — Dec 301
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Cheap flight deals from St. Louis to Finland

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Finland (FI0). 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.

Round-trip from

$767
(Finnair)

One-way from

$657
(American Airlines)
From Lambert-St Louis to Finland
One-way flight from Lambert-St Louis to Finland

Find flight deals from St. Louis to Finland

Best flights from St. Louis to Finland
Discover carefully curated flight deals from St. Louis to Finland 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.
Sun 4/276:25 pmSTL - HEL
1 stop11h 50mMultiple Airlines
Tue 5/134:00 pmHEL - STL
1 stop15h 23mMultiple Airlines
Deal found 12/17$767
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.
Tue 4/299:55 amSTL - HEL
1 stop20h 20mAmerican Airlines
Tue 5/1312:35 pmHEL - STL
2 stops18h 48mAmerican Airlines
Deal found 12/17$789
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.
Tue 4/13:50 pmSTL - HEL
2 stops16h 50mDelta
Mon 4/216:40 amHEL - STL
2 stops22h 53mDelta
Deal found 12/18$790
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.
Tue 4/292:10 pmSTL - HEL
2 stops16h 10mBritish Airways
Tue 5/1311:05 amHEL - STL
2 stops20h 18mBritish Airways
Deal found 12/17$803
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.
Sat 1/1810:59 amSTL - HEL
2 stops21h 51mScandinavian Airlines
Wed 1/2211:20 amHEL - STL
2 stops20h 17mScandinavian Airlines
Deal found 12/17$809
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.
Mon 4/285:45 pmSTL - HEL
2 stops14h 55mAir France
Tue 5/136:40 amHEL - STL
2 stops18h 05mAir France
Deal found 12/17$820
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.
Wed 4/305:45 pmSTL - HEL
2 stops15h 55mKLM
Mon 5/121:55 pmHEL - STL
2 stops17h 43mKLM
Deal found 12/17$884
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.
Fri 5/23:30 pmSTL - HEL
1 stop13h 20mLufthansa
Tue 5/136:00 amHEL - STL
2 stops17h 38mLufthansa
Deal found 12/17$986
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.
Sat 4/265:18 pmSTL - HEL
2 stops34h 22mTurkish Airlines
Wed 5/147:35 pmHEL - STL
2 stops27h 13mTurkish Airlines
Deal found 12/17$1,056
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.
Tue 4/299:39 amSTL - HEL
3 stops19h 11mAir Canada
Tue 5/136:00 amHEL - STL
3 stops23h 47mAir Canada
Deal found 12/17$1,131

Find flights from St. Louis to Finland within your budget

Customize your flight search to find flights from St. Louis to Finland 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

Any airport

Fly to

Any airport

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

$767

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

$789

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

$790

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

$803

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

$809

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

$820

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

$884

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

$986

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

$1,056

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

$1,131

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 12 results
1
2

Best time to book a flight from St. Louis to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Finland

Get recent, data-driven insights about flights from St. Louis to Finland including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Finland?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Finland (average of $444). Flying from St. Louis to Finland 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 FI?

Find hourly flight availability from St. Louis to Finland. 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.

When flying from St. Louis to Finland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Finland by month

Plan your trip to Finland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Finland 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 Finland when rainfall is around 1.2 in.

Temperature in Finland by month

Plan your trip to Finland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Finland, 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 Finland

Get insights into the airlines that provide service to Finland. 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 Finland. Reviews last updated December 18, 2024.
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good
8,604 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
1,349 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.4
Good
1,504 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.3
Good
3,907 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.3
Good
1,309 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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 Finland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Finland?

    For a flight from St. Louis to Finland, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • Can I find deals for flights from St. Louis to Finland that include hotel bookings?

    Yes. In addition to deals on St. Louis to Finland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Finland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Finland.

  • Can I find deals for business class flights from St. Louis to Finland?

    Yes. Cheapflights offers flight deals from St. Louis to Finland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Finland?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Finland (average of $444). Flying from St. Louis to Finland 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Finland

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from St. Louis to Finland

Discover the top 4 airlines that operate flights from St. Louis to Finland. 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.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$479Average$1,485FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$500Average$1,474FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$576Average$701FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$650Average$849FlexibilityNo cancel feeOn-time76%
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