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.

$698 CHEAP FLIGHTS from Missouri to Helsinki

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Flight Deals

Cheap Flights from Missouri to Helsinki

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

Round-trip

Last minute

Recent round-trip flight deals from Missouri to Helsinki

Sun, Feb 21 - Wed, Mar 3

3:40 pm - 12:55 pmSTL Lambert-St Louis-HEL Helsinki-Vantaa

13h 15m1 stop Frankfurt am Main

7:05 am - 1:45 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

14h 40m1 stop Frankfurt am Main

$698Lufthansa

Sun, Feb 21 - Wed, Mar 3

3:40 pm - 12:55 pmSTL Lambert-St Louis-HEL Helsinki-Vantaa

13h 15m1 stop Frankfurt am Main

1:40 pm - 3:26 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

33h 46m2 stops Frankfurt am Main Toronto Pearson Intl

$705Multiple Airlines

Sun, Feb 21 - Wed, Mar 3

4:05 pm - 1:30 amSTL Lambert-St Louis-HEL Helsinki-Vantaa

25h 25m2 stops Toronto Pearson Intl Frankfurt am Main

7:05 am - 3:26 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

16h 21m2 stops Frankfurt am Main Toronto Pearson Intl

$705Multiple Airlines

Mon, Feb 22 - Wed, Mar 3

7:04 pm - 6:45 pmSTL Lambert-St Louis-HEL Helsinki-Vantaa

15h 41m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

7:05 am - 1:45 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

14h 40m1 stop Frankfurt am Main

$706Lufthansa

Sun, Feb 21 - Wed, Mar 3

5:00 am - 11:40 amSTL Lambert-St Louis-HEL Helsinki-Vantaa

22h 40m1 stop Dallas/Fort Worth

12:30 pm - 11:10 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

18h 40m1 stop Dallas/Fort Worth

$709American Airlines

Sun, Feb 21 - Wed, Mar 3

6:39 am - 11:40 amMCI Kansas City-HEL Helsinki-Vantaa

21h 01m1 stop Dallas/Fort Worth

12:30 pm - 9:35 pmHEL Helsinki-Vantaa-MCI Kansas City

17h 05m1 stop Dallas/Fort Worth

$709American Airlines

Sun, Feb 21 - Wed, Mar 3

1:50 pm - 3:15 pmMCI Kansas City-HEL Helsinki-Vantaa

17h 25m2 stops Philadelphia London Heathrow

12:30 pm - 12:26 amHEL Helsinki-Vantaa-MCI Kansas City

19h 56m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$712American Airlines

Mon, Feb 22 - Wed, Mar 3

2:24 pm - 11:40 amSTL Lambert-St Louis-HEL Helsinki-Vantaa

13h 16m1 stop Dallas/Fort Worth

12:30 pm - 8:16 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

15h 46m1 stop Dallas/Fort Worth

$955Finnair

Sun, Feb 28 - Thu, Mar 4

12:20 pm - 11:50 amSTL Lambert-St Louis-HEL Helsinki-Vantaa

15h 30m1 stop Miami

1:25 pm - 11:36 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

18h 11m1 stop Miami

$1,023Finnair

Sat, Feb 13 - Tue, Feb 16

12:20 pm - 11:50 amSTL Lambert-St Louis-HEL Helsinki-Vantaa

15h 30m1 stop Miami

12:30 pm - 8:16 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

15h 46m1 stop Dallas/Fort Worth

$1,131Finnair

Useful Info

Low season	September
High season	December
Cheapest flight	$698

Most popular time to fly with an average 11% 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.