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Cheap flights from Sioux Falls to Helsinki from $662

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Helsinki departing on 3/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Sioux Falls to Helsinki

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:26 pm - 10:45 am
FSD
-
HEL
14h 19m
1 stop
Multiple Airlines Logo
12:35 pm - 9:40 pm
HEL
-
FSD
17h 05m
1 stop
$662Multiple Airlines
Thu, Mar 26 - Mon, Mar 30
American Airlines Logo
12:14 pm - 1:55 pm
FSD
-
HEL
18h 41m
2 stops
American Airlines Logo
12:35 pm - 9:40 pm
HEL
-
FSD
17h 05m
1 stop
$717American Airlines
Thu, Mar 26 - Mon, Mar 30
American Airlines Logo
12:14 pm - 1:55 pm
FSD
-
HEL
18h 41m
2 stops
American Airlines Logo
12:35 pm - 10:55 pm
HEL
-
FSD
18h 20m
2 stops
$731American Airlines
Thu, Mar 26 - Mon, Mar 30
United Airlines Logo
1:38 pm - 4:30 pm
FSD
-
HEL
19h 52m
2 stops
United Airlines Logo
6:55 am - 5:44 pm
HEL
-
FSD
18h 49m
3 stops
$1,195United Airlines
Thu, Mar 26 - Mon, Mar 30

American Airlines flights from Sioux Falls to Helsinki

Our best American Airlines deals on Sioux Falls to Helsinki flight tickets
American Airlines
Mar 26
FSD12:14 pmSioux Falls Joe Foss Field
18h 41m
2 stops
HEL1:55 pmHelsinki-Vantaa
Mar 30
HEL12:35 pmHelsinki-Vantaa
17h 05m
1 stop
FSD9:40 pmSioux Falls Joe Foss Field
$717
American Airlines
Mar 26
FSD12:14 pmSioux Falls Joe Foss Field
18h 41m
2 stops
HEL1:55 pmHelsinki-Vantaa
Mar 30
HEL12:35 pmHelsinki-Vantaa
18h 20m
2 stops
FSD10:55 pmSioux Falls Joe Foss Field
$731

United Airlines flights from Sioux Falls to Helsinki

Our best United Airlines deals on Sioux Falls to Helsinki flight tickets
United Airlines
Feb 6
FSD7:30 amSioux Falls Joe Foss Field
21h 35m
2 stops
HEL1:05 pmHelsinki-Vantaa
Feb 10
HEL7:05 amHelsinki-Vantaa
18h 13m
2 stops
FSD5:18 pmSioux Falls Joe Foss Field
$712
United Airlines
Feb 4
FSD7:50 amSioux Falls Joe Foss Field
27h 00m
2 stops
HEL6:50 pmHelsinki-Vantaa
Feb 8
HEL6:55 amHelsinki-Vantaa
22h 55m
2 stops
FSD9:50 pmSioux Falls Joe Foss Field
$749
United Airlines
Feb 4
FSD1:40 pmSioux Falls Joe Foss Field
21h 10m
2 stops
HEL6:50 pmHelsinki-Vantaa
Feb 8
HEL6:55 amHelsinki-Vantaa
22h 55m
2 stops
FSD9:50 pmSioux Falls Joe Foss Field
$750

momondo 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, momondo users made 832,500 searches. Data last updated January 29, 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

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Thu 3/26

1:26 pm-10:45 am

1 stop14h 19m

Helsinki-Vantaa

Mon 3/30

12:35 pm-9:40 pm

1 stop17h 05m

$662

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Thu 3/26

12:14 pm-1:55 pm

2 stops18h 41m

Helsinki-Vantaa

Mon 3/30

12:35 pm-9:40 pm

1 stop17h 05m

$717

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Thu 3/26

12:14 pm-1:55 pm

2 stops18h 41m

Helsinki-Vantaa

Mon 3/30

12:35 pm-10:55 pm

2 stops18h 20m

$731

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Thu 3/26

1:38 pm-4:30 pm

2 stops19h 52m

Helsinki-Vantaa

Mon 3/30

6:55 am-5:44 pm

3 stops18h 49m

$1,195

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Sioux Falls to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux Falls to Helsinki according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux Falls to Helsinki (FSD to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Helsinki

Fastest flight time

21h 35m

Direct flights

None
The fastest flight from Sioux Falls to Helsinki takes 21h 35m
There are no direct flights from Sioux Falls to Helsinki. There are no popular flight routes from Sioux Falls to Helsinki.
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  • How far is Sioux Falls Joe Foss Field to Helsinki-Vantaa by plane?

    A flight from Sioux Falls Joe Foss Field to Helsinki-Vantaa will travel around 4550.2 mi. In terms of flight time, this usually takes a little over 21h 35m.

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Helsinki-Vantaa Airport?

    Prices for flights from Sioux Falls Joe Foss Field Airport to Helsinki-Vantaa Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Helsinki-Vantaa Airport?

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Helsinki-Vantaa Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sioux Falls Joe Foss Field Airport to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The travel and health documents required for your trip to Helsinki-Vantaa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helsinki-Vantaa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Sioux Falls to Helsinki?

Best airlines flying from Sioux Falls to Helsinki

Compare and see reviews for airlines that fly from Sioux Falls to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $689Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights

  • How do I get Price Alerts for flights from Sioux Falls to Helsinki?

    Price Alerts will notify you by email when the price for flights to Helsinki from Sioux Falls decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Sioux Falls to Helsinki with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Espoo
Lahti
Kotka

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Helsinki?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helsinki from Sioux Falls.

Can I find flights from Sioux Falls to Helsinki with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Helsinki from Sioux Falls with this policy.

How can momondo help me find flights from Sioux Falls to Helsinki?

momondo helps you find the best flight between Sioux Falls and Helsinki by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sioux Falls to Helsinki right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Helsinki from Sioux Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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