How does KAYAK find such low prices on flights from Missouri to Helsinki?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Helsinki. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Helsinki?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helsinki from Missouri is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Missouri to Helsinki?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helsinki with an airline and back to Missouri with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Helsinki?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helsinki from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$411 CHEAP FLIGHTS from Missouri to Helsinki

HEL

KAYAK searches hundreds of travel sites at once for deals on flights to Helsinki

...and more

Travelers love KAYAK

41 299 237 searches in the past 7 days on KAYAK

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Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$483

Typical prices: $551-$713

American Airlines

Tue 2/3Sun 2/15

STL - HEL • 1 stop

Cheapest one-way

$411

British Airways

Mon 6/1

STL - HEL • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Helsinki!

Flight Deals

Cheap Flights from Missouri to Helsinki

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Helsinki that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Missouri to Helsinki

Tue, Feb 3 - Sun, Feb 15

7:15 am - 10:45 am

STL

HEL

19h 30m1 stop

12:30 pm - 7:29 pm

HEL

STL

14h 59m1 stop

$483American Airlines

Wed, Feb 18 - Wed, Mar 4

11:32 am - 6:50 pm

MCI

HEL

23h 18m2 stops

6:55 am - 8:06 pm

HEL

MCI

21h 11m2 stops

$484Lufthansa

Sun, Jan 25 - Tue, Feb 10

6:57 pm - 4:25 pm

STL

HEL

37h 28m2 stops

7:00 am - 8:37 pm

HEL

STL

21h 37m2 stops

$488Delta

Fri, Feb 27 - Wed, Mar 11

12:11 pm - 1:55 pm

MCI

HEL

17h 44m2 stops

12:30 pm - 12:11 am

HEL

MCI

18h 41m1 stop

$488American Airlines

Sun, Jan 25 - Tue, Feb 10

3:50 pm - 1:10 pm

STL

HEL

13h 20m1 stop

1:55 pm - 3:29 pm

HEL

STL

33h 34m2 stops

$489Multiple Airlines

Mon, Jan 26 - Mon, Feb 2

2:05 pm - 4:25 pm

MCI

HEL

18h 20m2 stops

7:00 am - 11:51 pm

HEL

MCI

24h 51m2 stops

$497Delta

Sun, Jan 25 - Mon, Feb 2

6:30 pm - 6:50 pm

MCI

HEL

16h 20m2 stops

6:55 am - 9:59 pm

HEL

MCI

23h 04m2 stops

$499United Airlines

Tue, Jan 27 - Tue, Feb 3

8:00 am - 12:00 pm

MCI

HEL

20h 00m3 stops

12:45 pm - 9:59 pm

HEL

MCI

17h 14m2 stops

$505United Airlines

Tue, Feb 3 - Sun, Feb 15

9:25 am - 3:30 pm

STL

HEL

22h 05m2 stops

8:15 am - 11:23 pm

HEL

STL

23h 08m2 stops

$529Iberia

Sun, Jan 25 - Tue, Feb 10

11:37 am - 1:55 pm

STL

HEL

18h 18m1 stop

4:50 pm - 10:51 am

HEL

STL

26h 01m1 stop

$552Multiple Airlines

Useful Info

Low season	October
High season	June
Cheapest flight	$411

Best time to beat the crowds with an average 17% drop in price.

Most popular time to fly with an average 34% increase in price.

Flight from St. Louis to Helsinki

How does KAYAK find such low prices on flights from Missouri to Helsinki?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Helsinki.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Helsinki?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helsinki from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Missouri to Helsinki?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helsinki with an airline and back to Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Helsinki?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helsinki from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Vantaa

Lahti

Kotka

Everything you need to know for your flight to Helsinki

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Helsinki

Helsinki (HEL)

HEL

$473 Find Cheap Flights from Missouri to Helsinki

KAYAK searches hundreds of travel sites at once for deals on flights to Helsinki

Everything you should know

Cheap Flights from Missouri to Helsinki

Recent round-trip flight deals from Missouri to Helsinki

Recent one-way flight deals from Missouri to Helsinki

Recent last minute flight deals from Missouri to Helsinki

Good to know

FAQs for booking flights from Missouri to Helsinki

How does KAYAK find such low prices on flights from Missouri to Helsinki?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Helsinki.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Helsinki?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helsinki from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Missouri to Helsinki?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helsinki with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Helsinki?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helsinki from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Helsinki?

Everything you need to know for your flight to Helsinki

Information on the airport you'll fly into in Helsinki

Cabin class types available on flights to Missouri

Complete your trip to Helsinki with a hotel stay or car rental

Find direct flights for Helsinki

Flights to other popular destinations

Flights from domestic origins to Helsinki

Choose which airport to fly into in Helsinki

Find deals for your return flight