$484+ Cheap flights from Missouri to Finland
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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HEL
Mar 14 — Mar 211
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Missouri to Finland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missouri to Finland
Cheapest
Best
Last-minute
Cheapest flights from Missouri to FinlandExplore the most affordable flight options available from Missouri to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
Explore the most affordable flight options available from Missouri to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
This Finnair deal was found by Cheapflights users on 2/9. 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.
Mon 3/911:22 am
STL
- HEL
1 stop16h 48m
Finnair
Mon 3/1612:45 pm
HEL
- STL
1 stop18h 13m
Finnair
Deal found 2/9![Finnair logo]()
$484
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Mon 3/97:00 pm
STL
- HEL
2 stops16h 50m
Lufthansa
Mon 3/166:55 am
HEL
- STL
2 stops42h 05m
Lufthansa
Deal found 2/9![Lufthansa logo]()
$487
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Mon 3/911:46 am
STL
- HEL
1 stop15h 59m
American Airlines
Mon 3/1612:30 pm
HEL
- STL
2 stops18h 14m
American Airlines
Deal found 2/9![American Airlines logo]()
$489
This KAYAK deal was found by Cheapflights users on 2/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:00 pm
STL
- HEL
2 stops16h 50m
Lufthansa
Tue 3/247:35 pm
HEL
- STL
2 stops34h 24m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$517
This KAYAK deal was found by Cheapflights users on 2/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:00 pm
STL
- HEL
2 stops23h 20m
Lufthansa
Tue 3/247:35 pm
HEL
- STL
2 stops34h 24m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$530
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Sat 4/46:33 pm
STL
- HEL
1 stop11h 42m
American Airlines
Wed 4/154:25 pm
HEL
- STL
1 stop15h 21m
American Airlines
Deal found 2/8![American Airlines logo]()
$534
This KAYAK deal was found by Cheapflights users on 2/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/13:30 pm
STL
- HEL
2 stops19h 25m
Lufthansa
Wed 4/86:35 am
HEL
- STL
2 stops22h 33m
Lufthansa
Deal found 2/10![Lufthansa logo]()
$537
This KLM deal was found by Cheapflights users on 2/8. 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.
Sat 4/45:29 pm
STL
- HEL
2 stops16h 11m
KLM
Wed 4/157:00 am
HEL
- STL
2 stops15h 29m
KLM
Deal found 2/8![KLM logo]()
$552
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 4/117:45 am
STL
- HEL
2 stops25h 15m
United Airlines
Tue 4/212:05 pm
HEL
- STL
2 stops33h 19m
United Airlines
Deal found 2/10![United Airlines logo]()
$560
This FlightHub deal was found by Cheapflights users on 2/11. 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.
Mon 3/234:21 pm
STL
- HEL
2 stops16h 04m
Scandinavian Airlines
Fri 4/39:05 pm
HEL
- STL
2 stops32h 01m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$590
This FlightHub deal was found by Cheapflights users on 2/11. 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.
Tue 3/247:00 pm
STL
- HEL
2 stops16h 50m
Lufthansa
Fri 4/36:00 am
HEL
- STL
2 stops15h 25m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$591
This Justfly.com deal was found by Cheapflights users on 2/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:33 am
MCI
- HEL
2 stops17h 02m
Scandinavian Airlines
Fri 4/174:00 pm
HEL
- MCI
2 stops39h 50m
Scandinavian Airlines
Deal found 2/10![Scandinavian Airlines logo]()
$639
Best flights from Missouri to FinlandDiscover carefully curated flight deals from Missouri to Finland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
Discover carefully curated flight deals from Missouri to Finland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
This Finnair deal was found by Cheapflights users on 2/9. 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.
Mon 3/911:22 am
STL
- HEL
1 stop16h 48m
Finnair
Mon 3/1612:45 pm
HEL
- STL
1 stop18h 13m
Finnair
Deal found 2/9![Finnair logo]()
$484
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Mon 3/911:46 am
STL
- HEL
1 stop15h 59m
American Airlines
Mon 3/1612:30 pm
HEL
- STL
2 stops18h 14m
American Airlines
Deal found 2/9![American Airlines logo]()
$489
This Finnair deal was found by Cheapflights users on 2/10. 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.
Sat 4/118:54 am
STL
- HEL
1 stop21h 21m
Multiple Airlines
Tue 4/2112:35 pm
HEL
- STL
1 stop14h 55m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$534
This KLM deal was found by Cheapflights users on 2/8. 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.
Sat 4/45:29 pm
STL
- HEL
2 stops16h 11m
KLM
Wed 4/157:00 am
HEL
- STL
2 stops15h 29m
KLM
Deal found 2/8![KLM logo]()
$552
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 4/117:45 am
STL
- HEL
2 stops25h 15m
United Airlines
Tue 4/212:05 pm
HEL
- STL
2 stops33h 19m
United Airlines
Deal found 2/10![United Airlines logo]()
$560
This Justfly.com deal was found by Cheapflights users on 2/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:33 am
MCI
- HEL
2 stops17h 02m
Scandinavian Airlines
Fri 4/174:00 pm
HEL
- MCI
2 stops39h 50m
Scandinavian Airlines
Deal found 2/10![Scandinavian Airlines logo]()
$639
This KAYAK deal was found by Cheapflights users on 2/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:50 pm
STL
- HEL
2 stops23h 45m
Lufthansa
Fri 4/36:00 am
HEL
- STL
2 stops15h 25m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$641
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:06 pm
MCI
- HEL
2 stops18h 54m
British Airways
Fri 4/1712:35 pm
HEL
- MCI
1 stop14h 46m
British Airways
Deal found 2/10![British Airways logo]()
$1,085
This Finnair deal was found by Cheapflights users on 2/10. 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.
Sat 5/168:00 am
STL
- HEL
1 stop22h 15m
Multiple Airlines
Wed 5/274:25 pm
HEL
- STL
1 stop15h 29m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$673
This Finnair deal was found by Cheapflights users on 2/10. 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.
Sat 5/165:21 pm
STL
- HEL
1 stop12h 54m
Finnair
Wed 5/274:25 pm
HEL
- STL
1 stop15h 29m
Finnair
Deal found 2/10![Finnair logo]()
$673
This Lufthansa deal was found by Cheapflights users on 2/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:00 pm
STL
- HEL
2 stops16h 50m
Lufthansa
Thu 4/21:50 pm
HEL
- STL
1 stop31h 35m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$685
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/254:50 pm
STL
- HEL
1 stop13h 20m
United Airlines
Fri 4/36:55 am
HEL
- STL
1 stop14h 30m
United Airlines
Deal found 2/11![United Airlines logo]()
$688
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 3/32:06 pm
STL
- HEL
2 stops15h 49m
American Airlines
Tue 3/1012:30 pm
HEL
- STL
1 stop13h 59m
American Airlines
Deal found 2/9![American Airlines logo]()
$689
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Sat 4/46:15 am
STL
- HEL
3 stops22h 45m
United Airlines
Wed 4/156:35 am
HEL
- STL
2 stops16h 49m
United Airlines
Deal found 2/8![United Airlines logo]()
$689
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 3/286:00 am
MCI
- HEL
2 stops28h 55m
United Airlines
Sat 4/46:45 am
HEL
- MCI
2 stops34h 44m
United Airlines
Deal found 2/11![United Airlines logo]()
$745
This American Airlines deal was found by Cheapflights users on 2/9. 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 8/29:45 am
MCI
- HEL
1 stop17h 00m
American Airlines
Sat 8/1512:30 pm
HEL
- MCI
2 stops17h 25m
American Airlines
Deal found 2/9![American Airlines logo]()
$858
This Trip.com deal was found by Cheapflights users on 2/11. 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.
Sun 3/151:58 pm
MCI
- HEL
1 stop13h 47m
Multiple Airlines
Sun 3/2212:30 pm
HEL
- MCI
1 stop27h 29m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$896
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Tue 5/59:50 am
MCI
- HEL
2 stops16h 45m
Scandinavian Airlines
Wed 5/69:05 pm
HEL
- MCI
2 stops34h 44m
Scandinavian Airlines
Deal found 2/9![Scandinavian Airlines logo]()
$1,008
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
Sun 4/126:06 pm
MCI
- HEL
1 stop12h 09m
Finnair
Fri 4/1712:35 pm
HEL
- MCI
1 stop14h 46m
Finnair
Deal found 2/10![Finnair logo]()
$1,071
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/156:30 pm
MCI
- HEL
2 stops35h 40m
United Airlines
Sun 3/221:50 pm
HEL
- MCI
2 stops56h 19m
United Airlines
Deal found 2/11![United Airlines logo]()
$921
Last-minute flights from Missouri to FinlandDiscover last-minute flight deals from Missouri to Finland. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Finland. Data last updated February 12, 2026 and is based on user searches.
This Finnair deal was found by Cheapflights users on 2/9. 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.
Mon 3/911:22 am
STL
- HEL
1 stop16h 48m
Finnair
Mon 3/1612:45 pm
HEL
- STL
1 stop18h 13m
Finnair
Deal found 2/9![Finnair logo]()
$484
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Mon 3/97:00 pm
STL
- HEL
2 stops16h 50m
Lufthansa
Mon 3/166:55 am
HEL
- STL
2 stops42h 05m
Lufthansa
Deal found 2/9![Lufthansa logo]()
$487
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Mon 3/911:46 am
STL
- HEL
1 stop15h 59m
American Airlines
Mon 3/1612:30 pm
HEL
- STL
2 stops18h 14m
American Airlines
Deal found 2/9![American Airlines logo]()
$489
This Air Canada deal was found by Cheapflights users on 2/11. 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 3/114:05 pm
STL
- HEL
2 stops19h 45m
Air Canada
Tue 3/177:05 am
HEL
- STL
2 stops39h 24m
Air Canada
Deal found 2/11![Air Canada logo]()
$592
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/114:05 pm
STL
- HEL
2 stops19h 45m
United Airlines
Wed 3/186:55 am
HEL
- STL
2 stops34h 17m
United Airlines
Deal found 2/11![United Airlines logo]()
$594
This KAYAK deal was found by Cheapflights users on 2/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:00 pm
STL
- HEL
2 stops23h 20m
Lufthansa
Tue 3/247:35 pm
HEL
- STL
2 stops34h 24m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$530
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Mon 3/167:40 am
STL
- HEL
2 stops22h 30m
United Airlines
Wed 3/251:55 pm
HEL
- STL
2 stops27h 17m
United Airlines
Deal found 2/11![United Airlines logo]()
$603
This KAYAK deal was found by Cheapflights users on 2/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:00 pm
STL
- HEL
2 stops16h 50m
Lufthansa
Tue 3/247:35 pm
HEL
- STL
2 stops34h 24m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$517
This FlightHub deal was found by Cheapflights users on 2/11. 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.
Mon 3/234:21 pm
STL
- HEL
2 stops16h 04m
Scandinavian Airlines
Fri 4/39:05 pm
HEL
- STL
2 stops32h 01m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$590
This FlightHub deal was found by Cheapflights users on 2/11. 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.
Tue 3/247:00 pm
STL
- HEL
2 stops16h 50m
Lufthansa
Fri 4/36:00 am
HEL
- STL
2 stops15h 25m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$591
This Air France deal was found by Cheapflights users on 2/11. 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.
Tue 3/245:59 pm
STL
- HEL
2 stops15h 26m
Air France
Thu 4/27:00 am
HEL
- STL
2 stops17h 32m
Air France
Deal found 2/11![Air France logo]()
$611
This Delta deal was found by Cheapflights users on 2/11. 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.
Wed 3/256:59 pm
STL
- HEL
2 stops15h 26m
Delta
Thu 4/21:55 pm
HEL
- STL
2 stops18h 03m
Delta
Deal found 2/11![Delta logo]()
$617
Find flight deals from Missouri to Finland
Keep the following information in mind while searching for Missouri to Finland flight deals. Data was last updated February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $484 (Finnair) |
Popular in | May |
Cheapest in | February |
Average price | $554 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Finland 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 February 12, 2026.
Use the filters below to find and compare flights from Missouri to Finland that are best for you.
Fly from
Missouri
Fly to
Finland
Route
Depart
Return
Price
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Mon 3/9
11:22 am-11:10 am
1 stop16h 48m
Helsinki-Vantaa
Mon 3/16
12:45 pm-11:58 pm
1 stop18h 13m
$484
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Mon 3/9
11:46 am-10:45 am
1 stop15h 59m
Helsinki-Vantaa
Mon 3/16
12:30 pm-11:44 pm
2 stops18h 14m
$489
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Sat 4/11
8:54 am-2:15 pm
1 stop21h 21m
Helsinki-Vantaa
Tue 4/21
12:35 pm-7:30 pm
1 stop14h 55m
$534
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Sat 4/4
5:29 pm-5:40 pm
2 stops16h 11m
Helsinki-Vantaa
Wed 4/15
7:00 am-2:29 pm
2 stops15h 29m
$552
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Sat 4/11
7:45 am-5:00 pm
2 stops25h 15m
Helsinki-Vantaa
Tue 4/21
2:05 pm-3:24 pm
2 stops33h 19m
$560
Kansas CityHelsinki
MCI - HEL
MCIHEL
Kansas City
Sun 4/12
9:33 am-10:35 am
2 stops17h 02m
Helsinki-Vantaa
Fri 4/17
4:00 pm-11:50 pm
2 stops39h 50m
$639
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Wed 3/25
4:50 pm-11:35 pm
2 stops23h 45m
Helsinki-Vantaa
Fri 4/3
6:00 am-1:25 pm
2 stops15h 25m
$641
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Sat 5/16
8:00 am-2:15 pm
1 stop22h 15m
Helsinki-Vantaa
Wed 5/27
4:25 pm-11:54 pm
1 stop15h 29m
$673
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Sat 5/16
5:21 pm-2:15 pm
1 stop12h 54m
Helsinki-Vantaa
Wed 5/27
4:25 pm-11:54 pm
1 stop15h 29m
$673
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Mon 3/23
7:00 pm-6:50 pm
2 stops16h 50m
Helsinki-Vantaa
Thu 4/2
1:50 pm-1:25 pm
1 stop31h 35m
$685
Showing 1-10 of 20 results
Best time to book a flight from Missouri to Finland
Have a flexible travel schedule? Discover the best time to fly to Finland from Missouri with our price prediction graph.
STL-HEL
MCI-HEL
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 Finland
USMO-FI0
STL-HEL
MCI-HEL
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Finland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Top regions
Alternative routes for Missouri to Finland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Finland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Finland by cabin class
Find flights from Missouri to Finland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Finland flights
Browse other Missouri and Finland flight options. Last updated on February 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Finland
Find the right flight back to Missouri after your stay in Finland
Missouri to Finland flights
Consider these flights traveling from Missouri to Finland.
Fly to Finland regions
Consider these flights traveling to Finland regions.
Top 2 airlines flying from Missouri to Finland
Discover the top 2 airlines that operate flights from Missouri to Finland. 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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$431 | Average$914 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$484 | Average$668 | FlexibilityNo cancel fee | On-time71% |