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$496+ Cheap flights from Sioux Falls (FSD) 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — HEL
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Find flight deals from Sioux Falls to Helsinki

Best flights from Sioux Falls to Helsinki
Discover carefully curated flight deals from Sioux Falls to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 21, 2025.

This Delta deal was found by Cheapflights users on 11/19. 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.
Fri 2/65:11 amFSD - HEL
2 stops27h 14mDelta
Tue 2/107:00 amHEL - FSD
2 stops24h 10mDelta
Deal found 11/19$496
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Fri 2/67:00 amFSD - HEL
1 stop19h 45mAmerican Airlines
Tue 2/1012:30 pmHEL - FSD
2 stops19h 11mAmerican Airlines
Deal found 11/19$707
This Air France deal was found by Cheapflights users on 11/17. 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.
Wed 4/11:20 pmFSD - HEL
2 stops19h 20mAir France
Sun 4/57:00 amHEL - FSD
2 stops16h 33mAir France
Deal found 11/17$1,010
This Delta deal was found by Cheapflights users on 11/18. 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 4/15:10 amFSD - HEL
2 stops27h 30mDelta
Sun 4/57:00 amHEL - FSD
2 stops20h 18mDelta
Deal found 11/18$954
This American Airlines deal was found by Cheapflights users on 11/17. 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 4/14:23 pmFSD - HEL
1 stop13h 52mAmerican Airlines
Sun 4/512:35 pmHEL - FSD
1 stop16h 20mAmerican Airlines
Deal found 11/17$1,142

Cheap flight deals from Sioux Falls to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$496
(Delta)
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Helsinki-Vantaa flights.
Search Deals
From Sioux Falls Joe Foss Field to Helsinki-Vantaa
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls 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 November 21, 2025.
Use the filters below to find and compare flights from Sioux Falls to Helsinki that are best for you.

Fly from

Sioux Falls

Fly to

Helsinki

Route

Depart

Return

Price

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Fri 2/6

5:11 am-4:25 pm

2 stops27h 14m

Helsinki-Vantaa

Tue 2/10

7:00 am-11:10 pm

2 stops24h 10m

$496

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Fri 2/6

7:00 am-10:45 am

1 stop19h 45m

Helsinki-Vantaa

Tue 2/10

12:30 pm-11:41 pm

2 stops19h 11m

$707

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Wed 4/1

5:10 am-4:40 pm

2 stops27h 30m

Helsinki-Vantaa

Sun 4/5

7:00 am-7:18 pm

2 stops20h 18m

$954

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Wed 4/1

1:20 pm-4:40 pm

2 stops19h 20m

Helsinki-Vantaa

Sun 4/5

7:00 am-3:33 pm

2 stops16h 33m

$1,010

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Wed 4/1

4:23 pm-2:15 pm

1 stop13h 52m

Helsinki-Vantaa

Sun 4/5

12:35 pm-8:55 pm

1 stop16h 20m

$1,142

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

  • Most accurate provider: When it comes to deals on Sioux Falls-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux Falls-Helsinki flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux Falls to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Sioux Falls 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.

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 November 21, 2025.
Read through reviews of airlines operating flights from Sioux Falls to Helsinki, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,047 reviews

Comfort

7.2

Overall

7.2

Boarding

7.5

Food

6.4

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
American Airlines
7.2
Good
11,047 reviews
American Airlines
7.2
Good
11,047 reviews

Comfort

7.2

Overall

7.2

Boarding

7.5

Food

6.4

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sioux Falls to Helsinki?

    Departing from Sioux Falls to Helsinki will take you 19h 20m. The distance between Sioux Falls and Helsinki is about 4541 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Sioux Falls to Helsinki that include hotel bookings?

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

  • How can I find direct flights from Sioux Falls to Helsinki?

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

  • Can I find deals for business class flights from Sioux Falls to Helsinki?

    Yes. Cheapflights offers flight deals from Sioux Falls 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.

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 Sioux Falls to Helsinki

Discover the top airline that operate flights from Sioux Falls 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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$588Average$828FlexibilityNo cancel feeOn-time71%

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