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$999+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — HEL
May 8 — May 151
Fri 5/8
Fri 5/15
1 adult, Economy
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Cheap 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 April 8, 2026.

This Delta deal was found by Cheapflights users on 4/3. 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.
Thu 4/91:34 pm
FSD
-
HEL
2 stops19h 06m
Delta
Thu 4/237:00 am
HEL
-
FSD
2 stops24h 02m
Delta
Deal found 4/3$999
This KLM deal was found by Cheapflights users on 4/6. 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.
Thu 4/91:34 pm
FSD
-
HEL
2 stops20h 06m
KLM
Thu 4/237:00 am
HEL
-
FSD
2 stops20h 22m
KLM
Deal found 4/6$1,003
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Thu 4/99:05 am
FSD
-
HEL
2 stops25h 50m
United Airlines
Thu 4/236:35 am
HEL
-
FSD
3 stops45h 55m
United Airlines
Deal found 4/4$1,093
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Fri 12/45:00 pm
FSD
-
HEL
2 stops41h 50m
United Airlines
Tue 12/86:55 am
HEL
-
FSD
2 stops22h 48m
United Airlines
Deal found 4/2$1,117
This Iberia deal was found by Cheapflights users on 4/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:29 pm
FSD
-
HEL
2 stops18h 56m
Iberia
Thu 4/234:25 pm
HEL
-
FSD
1 stop14h 46m
Iberia
Deal found 4/5$1,148
This Iberia deal was found by Cheapflights users on 4/3. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
FSD
-
HEL
1 stop20h 45m
Multiple Airlines
Thu 4/234:25 pm
HEL
-
FSD
1 stop14h 46m
Multiple Airlines
Deal found 4/3$1,243
This American Airlines deal was found by Cheapflights users on 4/3. 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 8/236:07 pm
FSD
-
HEL
1 stop12h 08m
American Airlines
Sun 8/304:25 pm
HEL
-
FSD
1 stop16h 02m
American Airlines
Deal found 4/3$4,583

Find 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 April 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$4,583
(American Airlines)
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
Search Deals

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 April 8, 2026.
Use the filters below to find and compare flights from Sioux Falls to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Sun 8/23

12:25 pm-2:15 pm

2 stops17h 50m

Helsinki-Vantaa

Sun 8/30

4:25 pm-12:27 am

1 stop16h 02m

$4,587

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Sun 8/23

6:07 pm-9:00 pm

2 stops18h 53m

Helsinki-Vantaa

Sun 8/30

8:00 am-12:27 am

2 stops24h 27m

$4,646

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Sat 8/22

1:20 pm-4:40 pm

2 stops19h 20m

Helsinki-Vantaa

Sun 8/30

7:00 am-7:06 pm

2 stops20h 06m

$5,572

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Mon 8/24

10:58 am-1:05 pm

2 stops18h 07m

Helsinki-Vantaa

Mon 8/31

7:00 am-7:06 pm

2 stops20h 06m

$5,584

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Mon 8/24

1:19 pm-6:55 pm

2 stops21h 36m

Helsinki-Vantaa

Sat 8/29

6:00 am-6:15 pm

2 stops20h 15m

$9,721

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Sun 8/23

1:01 pm-12:05 pm

2 stops15h 04m

Helsinki-Vantaa

Sat 8/29

6:00 am-6:02 pm

2 stops20h 02m

$9,721

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Sorted by cheapest first

Compare providers for flights from Sioux Falls to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Helsinki in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.

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 17h 50m. 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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