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$482+ Cheap flights from Missouri to Helsinki (HEL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HEL
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$482
(Air France)

Popular in

June

Cheapest in

November

Average price

$507
Provider with most accurate pricing for Lambert-St Louis-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Helsinki-Vantaa flights.
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From Missouri to Helsinki-Vantaa
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Highest demand for flights based on searches. 20% potential increase in price ($235 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 3, 2025.

This Air France deal was found by Cheapflights users on 11/2. 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.
Wed 12/32:49 pmMCI - HEL
2 stops17h 36mAir France
Wed 12/247:00 amHEL - MCI
2 stops17h 57mAir France
Deal found 11/2$482
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/31:30 pmMCI - HEL
2 stops21h 20mUnited Airlines
Wed 12/241:55 pmHEL - MCI
2 stops39h 55mUnited Airlines
Deal found 11/1$493
This Finnair deal was found by Cheapflights users on 11/2. 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 12/35:13 amMCI - HEL
1 stop21h 32mMultiple Airlines
Wed 12/245:00 pmHEL - MCI
2 stops26h 26mMultiple Airlines
Deal found 11/2$573
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Wed 12/310:00 amMCI - HEL
3 stops19h 10mAir Canada
Wed 12/246:55 amHEL - MCI
3 stops22h 55mAir Canada
Deal found 11/2$1,186
This Delta deal was found by Cheapflights users on 11/3. 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.
Thu 12/182:38 pmSTL - HEL
2 stops17h 47mDelta
Thu 12/256:30 amHEL - STL
2 stops25h 08mDelta
Deal found 11/3$1,231
This Gurufare deal was found by Cheapflights users on 10/31. 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.
Sun 12/211:05 pmSTL - HEL
2 stops28h 15mLufthansa
Sun 12/287:35 pmHEL - STL
2 stops34h 08mLufthansa
Deal found 10/31$1,472
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 12/256:35 pmSTL - HEL
2 stops34h 30mUnited Airlines
Tue 12/3012:45 pmHEL - STL
2 stops58h 44mUnited Airlines
Deal found 11/1$1,557
This United deal was found by Cheapflights users on 11/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:35 pmMCI - HEL
2 stops40h 15mMultiple Airlines
Sat 12/277:35 pmHEL - MCI
2 stops34h 15mMultiple Airlines
Deal found 11/1$1,598
This Ovago deal was found by Cheapflights users on 11/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:59 pmSTL - HEL
2 stops17h 11mMultiple Airlines
Thu 12/2512:30 pmHEL - STL
1 stop14h 52mMultiple Airlines
Deal found 11/3$1,632
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Sun 12/219:36 amSTL - HEL
1 stop17h 09mAmerican Airlines
Sun 12/2812:30 pmHEL - STL
1 stop18h 26mAmerican Airlines
Deal found 10/31$1,675
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/187:00 amSTL - HEL
1 stop19h 45mAmerican Airlines
Thu 12/2512:30 pmHEL - STL
1 stop14h 52mAmerican Airlines
Deal found 11/3$1,710
This Gurufare deal was found by Cheapflights users on 11/2. 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 12/206:35 pmMCI - HEL
2 stops40h 15mLufthansa
Sat 12/277:35 pmHEL - MCI
2 stops34h 15mLufthansa
Deal found 11/2$1,790

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 November 3, 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

2:49 pm-4:25 pm

2 stops17h 36m

Helsinki-Vantaa

Wed 12/24

7:00 am-4:57 pm

2 stops17h 57m

$482

Kansas CityHelsinki

MCI - HEL

MCIHEL

Kansas City

Wed 12/3

1:30 pm-6:50 pm

2 stops21h 20m

Helsinki-Vantaa

Wed 12/24

1:55 pm-9:50 pm

2 stops39h 55m

$493

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Fri 4/3

5:18 pm-7:00 pm

2 stops17h 42m

Helsinki-Vantaa

Fri 4/10

7:05 am-1:30 pm

1 stop14h 25m

$527

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Fri 3/27

9:41 am-10:45 am

1 stop18h 04m

Helsinki-Vantaa

Tue 3/31

12:35 pm-6:15 pm

1 stop13h 40m

$532

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Fri 4/3

5:18 pm-7:00 pm

2 stops17h 42m

Helsinki-Vantaa

Fri 4/10

6:00 am-3:24 pm

2 stops41h 24m

$544

Kansas CityHelsinki

MCI - HEL

MCIHEL

Kansas City

Wed 3/25

8:00 am-4:25 pm

2 stops25h 25m

Helsinki-Vantaa

Sun 3/29

1:55 pm-6:08 pm

2 stops36h 13m

$551

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Fri 3/27

4:50 pm-1:05 pm

1 stop13h 15m

Helsinki-Vantaa

Tue 3/31

7:05 am-7:48 pm

2 stops20h 43m

$553

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Fri 3/27

4:50 pm-1:05 pm

1 stop13h 15m

Helsinki-Vantaa

Tue 3/31

7:05 am-7:48 pm

2 stops20h 43m

$554

Kansas CityHelsinki

MCI - HEL

MCIHEL

Kansas City

Wed 12/3

1:44 pm-10:45 am

1 stop13h 01m

Helsinki-Vantaa

Wed 12/24

5:00 pm-11:26 am

2 stops26h 26m

$573

Kansas CityHelsinki

MCI - HEL

MCIHEL

Kansas City

Fri 1/2

10:43 am-10:45 am

1 stop16h 02m

Helsinki-Vantaa

Sun 1/18

12:30 pm-11:12 pm

1 stop18h 42m

$682

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 12 results
1
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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, December is the cheapest month in which you can book a flight from Missouri to Helsinki (average of $439). Flying from Missouri to Helsinki in June is currently the most expensive (average of $1,072). 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 November 3, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 44% on flights from Missouri to Helsinki by exploring options for tickets in the morning.

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 17h 36m. 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, December is the cheapest month in which you can book a flight from Missouri to Helsinki (average of $439). Flying from Missouri to Helsinki in June is currently the most expensive (average of $1,072). 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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Alternative routes for Missouri to Helsinki

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Top 2 airlines flying from Missouri to Helsinki

Discover the top 2 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$431Average$915FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$490Average$776FlexibilityNo cancel feeOn-time71%

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