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$419+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HEL
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 August 1, 2025.

Round-trip from

$482
(Finnair)

One-way from

$419
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$675
From Missouri to Helsinki-Vantaa
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One-way flight from Missouri to Helsinki-Vantaa
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Highest demand for flights based on searches. 30% potential increase in price ($385 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 1, 2025.

This Finnair deal was found by Cheapflights users on 7/29. 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 10/197:01 amSTL - HEL
1 stop19h 44mMultiple Airlines
Tue 10/2812:30 pmHEL - STL
1 stop15h 23mMultiple Airlines
Deal found 7/29$482
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 10/193:30 pmSTL - HEL
1 stop17h 10mUnited Airlines
Tue 10/287:05 amHEL - STL
2 stops39h 24mUnited Airlines
Deal found 7/29$543
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/201:45 pmMCI - HEL
2 stops21h 10mUnited Airlines
Wed 8/276:10 amHEL - MCI
3 stops24h 16mUnited Airlines
Deal found 7/30$547
This Ovago deal was found by Cheapflights users on 7/30. 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.
Tue 8/268:30 amMCI - HEL
2 stops23h 15mBritish Airways
Fri 9/512:35 pmHEL - MCI
1 stop18h 32mBritish Airways
Deal found 7/30$556
This FlightHub deal was found by Cheapflights users on 8/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:59 amMCI - HEL
2 stops21h 26mScandinavian Airlines
Wed 8/2711:15 amHEL - MCI
2 stops18h 03mScandinavian Airlines
Deal found 8/1$613
This Gotogate deal was found by Cheapflights users on 7/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:27 pmMCI - HEL
2 stops16h 28mLufthansa
Mon 8/187:40 pmHEL - MCI
2 stops34h 02mLufthansa
Deal found 7/29$722
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:25 pmSTL - HEL
2 stops17h 00mBritish Airways
Sat 9/2711:55 amHEL - STL
1 stop14h 27mBritish Airways
Deal found 7/31$800
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2812:10 pmMCI - HEL
1 stop14h 35mFinnair
Thu 9/411:55 amHEL - MCI
1 stop19h 12mFinnair
Deal found 7/31$846
This Ovago deal was found by Cheapflights users on 7/30. 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.
Sun 9/145:30 pmSTL - HEL
2 stops17h 25mLufthansa
Sun 9/216:00 amHEL - STL
2 stops17h 44mLufthansa
Deal found 7/30$903
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/208:30 amMCI - HEL
2 stops42h 50mMultiple Airlines
Wed 8/274:50 pmHEL - MCI
1 stop13h 58mMultiple Airlines
Deal found 7/30$951
This Scandinavian Airlines deal was found by Cheapflights users on 7/31. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/203:55 pmSTL - HEL
3 stops16h 25mScandinavian Airlines
Sat 9/276:35 amHEL - STL
2 stops23h 25mScandinavian Airlines
Deal found 7/31$1,023
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:26 pmMCI - HEL
1 stop32h 39mIberia
Mon 9/2211:55 amHEL - MCI
1 stop19h 12mIberia
Deal found 7/31$1,034

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 August 1, 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

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-8:53 pm

1 stop15h 23m

$482

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 10/19

3:30 pm-4:40 pm

1 stop17h 10m

Helsinki-Vantaa

Tue 10/28

7:05 am-3:29 pm

2 stops39h 24m

$543

Kansas CityHelsinki

MCI - HEL

MCIHEL

Kansas City

Wed 8/20

1:45 pm-6:55 pm

2 stops21h 10m

Helsinki-Vantaa

Wed 8/27

6:10 am-10:26 pm

3 stops24h 16m

$547

Kansas CityHelsinki

MCI - HEL

MCIHEL

Kansas City

Tue 8/26

8:30 am-3:45 pm

2 stops23h 15m

Helsinki-Vantaa

Fri 9/5

12:35 pm-11:07 pm

1 stop18h 32m

$556

Kansas CityHelsinki

MCI - HEL

MCIHEL

Kansas City

Wed 8/20

9:59 am-3:25 pm

2 stops21h 26m

Helsinki-Vantaa

Wed 8/27

11:15 am-9:18 pm

2 stops18h 03m

$613

Kansas CityHelsinki

MCI - HEL

MCIHEL

Kansas City

Mon 8/11

6:27 pm-6:55 pm

2 stops16h 28m

Helsinki-Vantaa

Mon 8/18

7:40 pm-9:42 pm

2 stops34h 02m

$722

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sat 9/20

5:25 pm-6:25 pm

2 stops17h 00m

Helsinki-Vantaa

Sat 9/27

11:55 am-6:22 pm

1 stop14h 27m

$800

Kansas CityHelsinki

MCI - HEL

MCIHEL

Kansas City

Thu 8/28

12:10 pm-10:45 am

1 stop14h 35m

Helsinki-Vantaa

Thu 9/4

11:55 am-11:07 pm

1 stop19h 12m

$846

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 9/14

5:30 pm-6:55 pm

2 stops17h 25m

Helsinki-Vantaa

Sun 9/21

6:00 am-3:44 pm

2 stops17h 44m

$903

Kansas CityHelsinki

MCI - HEL

MCIHEL

Kansas City

Wed 8/20

8:30 am-11:20 am

2 stops42h 50m

Helsinki-Vantaa

Wed 8/27

4:50 pm-10:48 pm

1 stop13h 58m

$951

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 21 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 $1,081). 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 August 1, 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.

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 August 1, 2025.
See what other customers who have flown with Delta, Finnair, and United Airlines from Missouri to Helsinki have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,317 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.4
Good
1,457 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Missouri to Helsinki one-way?

    $419 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Lufthansa and Delta, with prices starting from $421 and $438, respectively.

  • 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 $1,081). 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 5 airlines flying from Missouri to Helsinki

Discover the top 5 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$479Average$725FlexibilityNo cancel feeOn-time71%
FinnairCheapest$483Average$743FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$495Average$702FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$533Average$686FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$576Average$715FlexibilityNo cancel feeOn-time69%

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