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$543+ Cheap flights from South Dakota 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — HEL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from South Dakota to Helsinki

Keep the following information in mind while searching for South Dakota to Helsinki flight deals. Data was last updated September 16, 2025.

Round-trip from

$543
(United Airlines)
From South Dakota to Helsinki-Vantaa
Search Deals

Find flight deals from South Dakota to Helsinki

Cheapest flights from South Dakota to Helsinki
Explore the most affordable flight options available from South Dakota to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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 11/123:15 pmFSD - HEL
2 stops19h 35mUnited Airlines
Sun 11/166:55 amHEL - FSD
2 stops22h 51mUnited Airlines
Deal found 9/13$543
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/58:00 amFSD - HEL
2 stops32h 40mUnited Airlines
Sun 10/196:00 amHEL - FSD
2 stops24h 22mUnited Airlines
Deal found 9/14$627
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/13:12 pmFSD - HEL
2 stops17h 28mUnited Airlines
Sun 10/196:00 amHEL - FSD
2 stops24h 22mUnited Airlines
Deal found 9/14$652
This Gurufare deal was found by Cheapflights users on 9/15. 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 10/56:10 pmFSD - HEL
2 stops22h 30mLufthansa
Sun 10/1912:40 pmHEL - FSD
2 stops41h 42mLufthansa
Deal found 9/15$656
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 11/121:03 pmFSD - HEL
1 stop13h 42mAmerican Airlines
Sun 11/1612:30 pmHEL - FSD
1 stop16h 39mAmerican Airlines
Deal found 9/13$682
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 9/1512:56 pmFSD - HEL
2 stops19h 44mDelta
Fri 9/266:40 amHEL - FSD
2 stops24h 22mDelta
Deal found 9/14$818
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/112:19 pmFSD - HEL
2 stops17h 41mAmerican Airlines
Sun 10/1912:35 pmHEL - FSD
1 stop16h 40mAmerican Airlines
Deal found 9/14$921

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota 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 September 16, 2025.
Use the filters below to find and compare flights from South Dakota to Helsinki that are best for you.

Fly from

South Dakota

Fly to

Helsinki

Route

Depart

Return

Price

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Wed 11/12

3:15 pm-6:50 pm

2 stops19h 35m

Helsinki-Vantaa

Sun 11/16

6:55 am-9:46 pm

2 stops22h 51m

$543

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Sun 10/5

8:00 am-12:40 am

2 stops32h 40m

Helsinki-Vantaa

Sun 10/19

6:00 am-10:22 pm

2 stops24h 22m

$627

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Wed 10/1

3:12 pm-4:40 pm

2 stops17h 28m

Helsinki-Vantaa

Sun 10/19

6:00 am-10:22 pm

2 stops24h 22m

$652

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Sun 10/5

6:10 pm-12:40 am

2 stops22h 30m

Helsinki-Vantaa

Sun 10/19

12:40 pm-10:22 pm

2 stops41h 42m

$656

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Wed 11/12

1:03 pm-10:45 am

1 stop13h 42m

Helsinki-Vantaa

Sun 11/16

12:30 pm-9:09 pm

1 stop16h 39m

$682

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from South Dakota to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from South Dakota 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 South Dakota to Helsinki
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 South Dakota 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 South Dakota?

    Helsinki-Vantaa (HEL), located 10.6 mi from the city center, is the airport you fly into when you book flights from South Dakota to Helsinki.

  • How long is the flight from South Dakota to Helsinki?

    Departing from South Dakota to Helsinki will take you 19h 35m. There are 4541 mi between South Dakota and Helsinki.

  • Can I find deals for flights from South Dakota to Helsinki that include hotel bookings?

    Yes. In addition to deals on South Dakota to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Dakota to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Helsinki.

  • Can I find deals for business class flights from South Dakota to Helsinki?

    Yes. Cheapflights offers flight deals from South Dakota 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 South Dakota to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from South Dakota to Helsinki (average of $444). Flying from South Dakota to Helsinki in June is currently the most expensive (average of $1,082). 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 airline flying from South Dakota to Helsinki

Discover the top airline that operate flights from South Dakota 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$479Average$809FlexibilityNo cancel feeOn-time71%

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