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$484+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — HEL
Feb 2 — Feb 91
Mon 2/2
Mon 2/9
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 January 3, 2026.

This American Airlines deal was found by Cheapflights users on 1/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:44 amFSD - HEL
1 stop22h 01mAmerican Airlines
Mon 3/1612:30 pmHEL - FSD
1 stop16h 10mAmerican Airlines
Deal found 1/2$484
This United Airlines deal was found by Cheapflights users on 1/2. 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.
Mon 3/96:35 pmFSD - HEL
2 stops41h 15mUnited Airlines
Mon 3/166:55 amHEL - FSD
2 stops46h 07mUnited Airlines
Deal found 1/2$499
This United Airlines deal was found by Cheapflights users on 12/31. 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 2/611:22 amFSD - HEL
2 stops17h 43mUnited Airlines
Tue 2/107:05 amHEL - FSD
2 stops18h 13mUnited Airlines
Deal found 12/31$511
This FlightHub deal was found by Cheapflights users on 1/1. 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.
Sat 1/36:16 pmFSD - HEL
2 stops34h 54mLufthansa
Mon 1/127:35 pmHEL - FSD
2 stops32h 49mLufthansa
Deal found 1/1$717
This FlightHub deal was found by Cheapflights users on 1/1. 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.
Sun 1/411:27 amFSD - HEL
2 stops17h 43mLufthansa
Sun 1/115:45 pmHEL - FSD
2 stops36h 05mLufthansa
Deal found 1/1$719
This United Airlines deal was found by Cheapflights users on 12/31. 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 1/37:30 amFSD - HEL
2 stops25h 00mUnited Airlines
Mon 1/1212:45 pmHEL - FSD
2 stops36h 33mUnited Airlines
Deal found 12/31$823

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 January 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$484
(American Airlines)
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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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 January 3, 2026.
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

Mon 3/9

5:44 am-10:45 am

1 stop22h 01m

Helsinki-Vantaa

Mon 3/16

12:30 pm-9:40 pm

1 stop16h 10m

$484

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Mon 3/9

6:35 pm-6:50 pm

2 stops41h 15m

Helsinki-Vantaa

Mon 3/16

6:55 am-10:02 pm

2 stops46h 07m

$499

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Fri 2/6

11:22 am-1:05 pm

2 stops17h 43m

Helsinki-Vantaa

Tue 2/10

7:05 am-5:18 pm

2 stops18h 13m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

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 January.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Ovago the most. Ovago 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 January 3, 2026.
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
11,081 reviews

Crew

8.0

Overall

7.2

Comfort

7.2

Food

6.4

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,081 reviews
American Airlines
7.2
Good
11,081 reviews

Crew

8.0

Overall

7.2

Comfort

7.2

Food

6.4

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 22h 01m. 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 January 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$588Average$785FlexibilityNo cancel feeOn-time71%

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