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$320+ Cheap flights from Missouri 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HEL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Missouri to Helsinki

Keep the following information in mind while searching for Missouri to Helsinki flight deals. Data was last updated September 16, 2025.

Round-trip from

$432
(American Airlines)

One-way from

$320
(Kiwi.com)

Popular in

June

Cheapest in

November
From Missouri to Helsinki-Vantaa
Search Deals
One-way flight from Missouri to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($371 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Find flight deals from Missouri to Helsinki

Cheapest flights from Missouri to Helsinki
Explore the most affordable flight options available from Missouri to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 12/310:45 amMCI - HEL
1 stop16h 00mAmerican Airlines
Wed 12/2412:30 pmHEL - MCI
1 stop14h 52mAmerican Airlines
Deal found 9/16$432
This Finnair deal was found by Cheapflights users on 9/15. 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 10/198:49 amSTL - HEL
1 stop17h 56mMultiple Airlines
Tue 10/284:50 pmHEL - STL
1 stop23h 56mMultiple Airlines
Deal found 9/15$432
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/292:15 pmSTL - HEL
2 stops16h 40mAmerican Airlines
Wed 11/512:30 pmHEL - STL
1 stop15h 00mAmerican Airlines
Deal found 9/14$436
This Delta deal was found by Cheapflights users on 9/16. 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 10/219:31 amSTL - HEL
2 stops17h 04mDelta
Fri 10/316:30 amHEL - STL
2 stops20h 38mDelta
Deal found 9/16$474
This Delta deal was found by Cheapflights users on 9/16. 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 10/2112:14 pmSTL - HEL
2 stops19h 11mDelta
Wed 10/292:05 pmHEL - STL
2 stops27h 21mDelta
Deal found 9/16$475
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:27 pmMCI - HEL
2 stops16h 23mLufthansa
Wed 12/2412:45 pmHEL - MCI
2 stops17h 05mLufthansa
Deal found 9/14$477
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:36 amMCI - HEL
2 stops24h 14mUnited Airlines
Wed 11/512:45 pmHEL - MCI
2 stops17h 05mUnited Airlines
Deal found 9/14$478
This Delta deal was found by Cheapflights users on 9/16. 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.
Mon 10/202:15 pmSTL - HEL
2 stops14h 45mDelta
Fri 10/316:30 amHEL - STL
2 stops20h 38mDelta
Deal found 9/16$486
This Delta deal was found by Cheapflights users on 9/16. 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.
Mon 10/205:31 pmSTL - HEL
2 stops16h 09mDelta
Thu 10/306:30 amHEL - STL
2 stops18h 32mDelta
Deal found 9/16$487
This KLM deal was found by Cheapflights users on 9/16. 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.
Mon 10/207:05 pmSTL - HEL
2 stops14h 35mKLM
Tue 10/287:00 amHEL - STL
2 stops18h 02mKLM
Deal found 9/16$488
This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 10/196:40 amSTL - HEL
2 stops22h 20mDelta
Tue 10/287:00 amHEL - STL
2 stops18h 02mDelta
Deal found 9/14$496
This Finnair deal was found by Cheapflights users on 9/15. 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.
Wed 12/31:44 pmMCI - HEL
1 stop13h 01mMultiple Airlines
Wed 12/2412:30 pmHEL - MCI
1 stop14h 52mMultiple Airlines
Deal found 9/15$497

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 September 16, 2025.
Use the filters below to find and compare flights from Missouri to Helsinki that are best for you.

Fly from

Missouri

Fly to

Helsinki

Route

Depart

Return

Price

Kansas CityHelsinki

MCI - HEL

MCIHEL

Kansas City

Wed 12/3

10:45 am-10:45 am

1 stop16h 00m

Helsinki-Vantaa

Wed 12/24

12:30 pm-7:22 pm

1 stop14h 52m

$432

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 10/19

8:49 am-10:45 am

1 stop17h 56m

Helsinki-Vantaa

Tue 10/28

4:50 pm-9:46 am

1 stop23h 56m

$432

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 10/19

7:01 am-10:45 am

1 stop19h 44m

Helsinki-Vantaa

Tue 10/28

12:30 pm-11:18 pm

1 stop17h 48m

$432

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Wed 10/29

12:51 pm-1:55 pm

2 stops18h 04m

Helsinki-Vantaa

Wed 11/5

12:30 pm-11:07 pm

2 stops18h 37m

$436

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Wed 10/22

9:31 am-10:35 am

2 stops17h 04m

Helsinki-Vantaa

Thu 10/30

6:30 am-6:02 pm

2 stops18h 32m

$474

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Tue 10/21

9:31 am-10:35 am

2 stops17h 04m

Helsinki-Vantaa

Fri 10/31

6:30 am-8:08 pm

2 stops20h 38m

$474

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Tue 10/21

9:31 am-10:35 am

2 stops17h 04m

Helsinki-Vantaa

Thu 10/30

6:30 am-6:02 pm

2 stops18h 32m

$474

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Wed 10/22

9:31 am-10:35 am

2 stops17h 04m

Helsinki-Vantaa

Wed 10/29

2:05 pm-12:35 pm

2 stops29h 30m

$475

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Tue 10/21

12:14 pm-3:25 pm

2 stops19h 11m

Helsinki-Vantaa

Wed 10/29

2:05 pm-10:26 am

2 stops27h 21m

$475

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Tue 10/21

9:31 am-10:35 am

2 stops17h 04m

Helsinki-Vantaa

Tue 10/28

2:05 pm-2:43 pm

2 stops31h 38m

$475

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
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Best time to book a flight from Missouri to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Missouri 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.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Helsinki

What is the cheapest month to book a flight from Missouri to Helsinki?

Currently, November is the cheapest month in which you can book a flight from Missouri to Helsinki (average of $444). Flying from Missouri to Helsinki in June is currently the most expensive (average of $1,082). 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 MO to HEL?

Find hourly flight availability from Missouri 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 September 16, 2025.

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

How much does it cost to fly round-trip from Missouri to Helsinki?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Helsinki. 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 into for flights to Helsinki from Missouri?

    If you book a flight to Helsinki from Missouri, you will be flying to Helsinki-Vantaa, which is the city’s only airport. Helsinki-Vantaa (HEL) is located 10.6 mi from the center of Helsinki.

  • How long is the flight from Missouri to Helsinki?

    Departing from Missouri to Helsinki will take you 16h. The distance between Missouri and Helsinki is about 4755 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Missouri to Helsinki that include hotel bookings?

    Yes. In addition to deals on Missouri to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Helsinki?

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

  • Can I find deals for business class flights from Missouri to Helsinki?

    Yes. Cheapflights offers flight deals from Missouri to Helsinki 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 Missouri to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from Missouri to Helsinki (average of $444). Flying from Missouri to Helsinki in June is currently the most expensive (average of $1,082). 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

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Lahti

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Top 4 airlines flying from Missouri to Helsinki

Discover the top 4 airlines that operate flights from Missouri 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$479Average$850FlexibilityNo cancel feeOn-time71%
FinnairCheapest$481Average$914FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$533Average$686FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$551Average$636FlexibilityNo cancel feeOn-time69%

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