What are the cheapest airlines to fly from South Dakota to Helsinki one-way?

$438 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Lufthansa and American Airlines, with prices starting from $460 and $693, respectively.

What is the cheapest month to book a flight from South Dakota to Helsinki?

Currently, November is the cheapest month in which you can book a flight from South Dakota to Helsinki (average of $444). Flying from South Dakota to Helsinki in June is currently the most expensive (average of $1,084). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

What is the cheapest time of day to fly from SD to HEL?

When flying from South Dakota to Helsinki, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Helsinki from South Dakota?

Helsinki-Vantaa (HEL), located 10.6 mi from the city center, is the airport you fly into when you book flights from South Dakota to Helsinki.

Can I find deals for flights from South Dakota to Helsinki that include hotel bookings?

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

How can I find direct flights from South Dakota to Helsinki?

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

Can I find deals for business class flights from South Dakota to Helsinki?

Yes. Cheapflights offers flight deals from South Dakota 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.

$438+ Flights from South Dakota to Helsinki

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Cheap flight deals from South Dakota to Helsinki

Round-trip from	$542 (American Airlines)
One-way from	$438 (United Airlines)

From South Dakota to Helsinki-Vantaa

Search Deals

One-way flight from South Dakota to Helsinki-Vantaa

Search Deals

Find flight deals from South Dakota to Helsinki

Cheapest flights from South Dakota to Helsinki
Explore the most affordable flight options available from South Dakota to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

lun. 9/151:21 pmFSD - HEL

1 stop13h 24mAmerican Airlines

vie. 9/2612:35 pmHEL - FSD

1 stop16h 48mAmerican Airlines

Deal found 7/2

$542

vie. 11/146:23 pmFSD - HEL

2 stops16h 17mLufthansa

mar. 11/187:05 amHEL - FSD

2 stops21h 26mLufthansa

Deal found 6/30

$567

mar. 8/512:33 pmFSD - HEL

2 stops18h 42mMultiple Airlines

lun. 8/118:00 amHEL - FSD

2 stops24h 28mMultiple Airlines

Deal found 7/1

$1,097

mar. 8/55:10 pmFSD - HEL

2 stops47h 05mUnited Airlines

lun. 8/116:10 amHEL - FSD

2 stops19h 34mUnited Airlines

Deal found 7/3

$1,287

mar. 8/51:01 pmFSD - HEL

2 stops20h 39mDelta

lun. 8/117:00 amHEL - FSD

2 stops14h 50mDelta

Deal found 7/3

$1,316

Best flights from South Dakota to Helsinki
Discover carefully curated flight deals from South Dakota to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 3, 2025.

lun. 9/151:21 pmFSD - HEL

1 stop13h 24mAmerican Airlines

vie. 9/2612:35 pmHEL - FSD

1 stop16h 48mAmerican Airlines

Deal found 7/2

$542

vie. 11/146:23 pmFSD - HEL

2 stops16h 17mLufthansa

mar. 11/187:05 amHEL - FSD

2 stops22h 41mLufthansa

Deal found 7/1

$567

mar. 8/512:33 pmFSD - HEL

2 stops18h 42mMultiple Airlines

lun. 8/118:00 amHEL - FSD

2 stops24h 28mMultiple Airlines

Deal found 7/1

$1,097

mar. 8/55:10 pmFSD - HEL

2 stops47h 05mUnited Airlines

lun. 8/116:10 amHEL - FSD

2 stops19h 34mUnited Airlines

Deal found 7/3

$1,287

mar. 8/51:01 pmFSD - HEL

2 stops20h 39mDelta

lun. 8/117:00 amHEL - FSD

2 stops14h 50mDelta

Deal found 7/3

$1,316

Last-minute flights from South Dakota to Helsinki
Discover last-minute flight deals from South Dakota to Helsinki. Data last updated julio 3, 2025 and is based on user searches.

mar. 8/512:33 pmFSD - HEL

2 stops18h 42mMultiple Airlines

lun. 8/118:00 amHEL - FSD

2 stops24h 28mMultiple Airlines

Deal found 7/1

$1,097

mar. 8/51:16 pmFSD - HEL

1 stop13h 29mAmerican Airlines

lun. 8/114:50 pmHEL - FSD

1 stop28h 08mAmerican Airlines

Deal found 7/1

$1,148

mar. 8/55:10 pmFSD - HEL

2 stops47h 05mUnited Airlines

lun. 8/116:10 amHEL - FSD

2 stops19h 34mUnited Airlines

Deal found 7/3

$1,287

mar. 8/51:01 pmFSD - HEL

2 stops20h 39mDelta

lun. 8/117:00 amHEL - FSD

2 stops14h 50mDelta

Deal found 7/3

$1,316

One-way flights from South Dakota to Helsinki
Search for one-way flight options from South Dakota to Helsinki. Find affordable one-way fares based on user searches. Data last updated julio 3, 2025.

mar. 7/295:10 pmFSD - HEL

2 stops39h 30mUnited Airlines

Deal found 7/2

$438

mar. 7/296:26 pmFSD - HEL

2 stops21h 59mLufthansa

Deal found 7/1

$460

mar. 7/2912:33 pmFSD - HEL

1 stop17h 42mAmerican Airlines

Deal found 7/1

$693

mar. 7/2912:33 pmFSD - HEL

1 stop17h 42mMultiple Airlines

Deal found 7/3

$783

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota 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

lun. 9/15

1:21 pm-10:45 am

1 stop13h 24m

Helsinki-Vantaa

vie. 9/26

12:35 pm-9:23 pm

1 stop16h 48m

$542

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

vie. 11/14

6:23 pm-6:40 pm

2 stops16h 17m

Helsinki-Vantaa

mar. 11/18

7:05 am-9:46 pm

2 stops22h 41m

$567

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

mar. 8/5

12:33 pm-3:15 pm

2 stops18h 42m

Helsinki-Vantaa

lun. 8/11

8:00 am-12:28 am

2 stops24h 28m

$1,097

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

mar. 8/5

5:10 pm-12:15 am

2 stops47h 05m

Helsinki-Vantaa

lun. 8/11

6:10 am-5:44 pm

2 stops19h 34m

$1,287

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

mar. 8/5

1:01 pm-5:40 pm

2 stops20h 39m

Helsinki-Vantaa

lun. 8/11

7:00 am-1:50 pm

2 stops14h 50m

$1,316

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

mar. 7/29

5:10 pm-4:40 pm

2 stops39h 30m

$438

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

mar. 7/29

6:26 pm-12:25 am

2 stops21h 59m

$460

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

mar. 7/29

12:33 pm-2:15 pm

1 stop17h 42m

$693

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

mar. 7/29

12:33 pm-2:15 pm

1 stop17h 42m

$783

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from South Dakota to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from South Dakota 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.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to Helsinki

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Helsinki

Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from South Dakota to Helsinki. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Lufthansa

6.8

Okay

7,207 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Helsinki from South Dakota?
Helsinki-Vantaa (HEL), located 10.6 mi from the city center, is the airport you fly into when you book flights from South Dakota to Helsinki.
What are the cheapest airlines to fly from South Dakota to Helsinki one-way?
$438 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Lufthansa and American Airlines, with prices starting from $460 and $693, respectively.
Can I find deals for flights from South Dakota to Helsinki that include hotel bookings?
Yes. In addition to deals on South Dakota to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Dakota to Helsinki?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Helsinki.
Can I find deals for business class flights from South Dakota to Helsinki?
Yes. Cheapflights offers flight deals from South Dakota 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.
What is the cheapest month to book a flight from South Dakota to Helsinki?
Currently, November is the cheapest month in which you can book a flight from South Dakota to Helsinki (average of $444). Flying from South Dakota to Helsinki in June is currently the most expensive (average of $1,084). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Vantaa

Lahti

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from South Dakota to Helsinki

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$479	Average$689	FlexibilityNo cancel fee	On-time71%

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$438+ Cheap flights from South Dakota to Helsinki (HEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Dakota to Helsinki with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from South Dakota to Helsinki

Keep the following information in mind while searching for South Dakota to Helsinki flight deals. Data was last updated julio 3, 2025.

Round-trip from

One-way from

Find flight deals from South Dakota to Helsinki

Cheapest flights from South Dakota to HelsinkiExplore the most affordable flight options available from South Dakota to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Explore the most affordable flight options available from South Dakota to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota to Helsinki that are best for you.

Best time to book a flight from South Dakota to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from South Dakota with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to Helsinki

Reviews of airlines servicing Helsinki

Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from South Dakota to Helsinki. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly into for flights to Helsinki from South Dakota?

What are the cheapest airlines to fly from South Dakota to Helsinki one-way?

Can I find deals for flights from South Dakota to Helsinki that include hotel bookings?

How can I find direct flights from South Dakota to Helsinki?

Can I find deals for business class flights from South Dakota to Helsinki?

What is the cheapest month to book a flight from South Dakota to Helsinki?

Traveling to a place near South Dakota?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Dakota to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from South Dakota to Helsinki

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from South Dakota to Helsinki
Explore the most affordable flight options available from South Dakota to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.