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$521+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — HEL
Nov 5 — Nov 121
Wed 11/5
Wed 11/12
1 adult, Economy
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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 October 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$521
(Delta)
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Helsinki-Vantaa flights.
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From Sioux Falls Joe Foss Field to Helsinki-Vantaa
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Find flight deals from Sioux Falls to Helsinki

Cheapest flights from Sioux Falls to Helsinki
Explore the most affordable flight options available from Sioux Falls to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 6, 2025.

This Delta deal was found by Cheapflights users on 10/5. 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 11/121:30 pmFSD - HEL
2 stops18h 55mDelta
Sun 11/167:00 amHEL - FSD
2 stops20h 35mDelta
Deal found 10/5$521
This American Airlines deal was found by Cheapflights users on 10/5. 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 11/167:50 amHEL - FSD
2 stops18h 55mAmerican Airlines
Deal found 10/5$727
This KLM deal was found by Cheapflights users on 10/5. 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.
Sun 10/55:46 pmFSD - HEL
2 stops35h 14mKLM
Sun 10/197:00 amHEL - FSD
2 stops20h 16mKLM
Deal found 10/5$771
This Cheapflightsfares deal was found by Cheapflights users on 10/4. 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 10/56:10 pmFSD - HEL
2 stops22h 30mLufthansa
Sun 10/197:40 pmHEL - FSD
2 stops34h 42mLufthansa
Deal found 10/4$1,104
This United Airlines deal was found by Cheapflights users on 10/4. 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
3 stops24h 40mUnited Airlines
Sun 10/196:10 amHEL - FSD
2 stops24h 12mUnited Airlines
Deal found 10/4$2,519
This American Airlines deal was found by Cheapflights users on 10/5. 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 10/512:18 pmFSD - HEL
2 stops18h 57mAmerican Airlines
Sun 10/1912:35 pmHEL - FSD
1 stop16h 40mAmerican Airlines
Deal found 10/5$4,192

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 October 6, 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

Wed 11/12

1:30 pm-4:25 pm

2 stops18h 55m

Helsinki-Vantaa

Sun 11/16

7:00 am-11:00 pm

2 stops24h 00m

$521

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

7:50 am-6:45 pm

2 stops18h 55m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

  • 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 October 6, 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
11,040 reviews

Overall

7.2

Food

6.4

Entertainment

6.9

Boarding

7.5

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,040 reviews
American Airlines
7.2
Good
11,040 reviews

Overall

7.2

Food

6.4

Entertainment

6.9

Boarding

7.5

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 13h 42m. The distance between Sioux Falls and Helsinki is about 4541 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Sioux Falls to Helsinki round-trip?

    Our cheapest airline available from Sioux Falls to Helsinki is American Airlines. Our recent data shows that you can find tickets from as low as $479 on this airline.

  • 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 October 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$479Average$809FlexibilityNo cancel feeOn-time71%

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