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

Currently, November is the cheapest month in which you can book a flight from South Dakota to Finland (average of $444). Flying from South Dakota to Finland in June is currently the most expensive (average of $1,085). 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 Finland 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 Finland when rainfall is around 1.2 in.

If weather is an important factor for your trip to Finland, 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 FI?

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from South Dakota to Finland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$543+ Flights from South Dakota to Finland

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1. Tell us where you want to go

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Cheap flight deals from South Dakota to Finland

Round-trip from	$541 (American Airlines)
One-way from	$441 (United Airlines)

From South Dakota to Finland

Search Deals

One-way flight from South Dakota to Finland

Search Deals

Find flight deals from South Dakota to Finland

Cheapest flights from South Dakota to Finland
Explore the most affordable flight options available from South Dakota to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Mon 9/151:21 pmFSD - HEL

1 stop13h 24mAmerican Airlines

Fri 9/2612:35 pmHEL - FSD

1 stop16h 48mAmerican Airlines

Deal found 6/25

$541

Mon 9/1512:18 pmFSD - HEL

2 stops18h 02mMultiple Airlines

Fri 9/2612:35 pmHEL - FSD

1 stop16h 48mMultiple Airlines

Deal found 6/26

$546

Fri 11/145:14 pmFSD - HEL

2 stops17h 26mUnited Airlines

Tue 11/187:05 amHEL - FSD

2 stops22h 41mUnited Airlines

Deal found 6/25

$566

Best flights from South Dakota to Finland
Discover carefully curated flight deals from South Dakota to Finland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2025.

Mon 9/151:21 pmFSD - HEL

1 stop13h 24mAmerican Airlines

Fri 9/2612:35 pmHEL - FSD

1 stop16h 48mAmerican Airlines

Deal found 6/25

$541

Mon 9/1512:18 pmFSD - HEL

2 stops18h 02mMultiple Airlines

Fri 9/2612:35 pmHEL - FSD

1 stop16h 48mMultiple Airlines

Deal found 6/26

$546

Fri 11/145:14 pmFSD - HEL

2 stops17h 26mUnited Airlines

Tue 11/187:05 amHEL - FSD

2 stops22h 41mUnited Airlines

Deal found 6/25

$566

One-way flights from South Dakota to Finland
Search for one-way flight options from South Dakota to Finland. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.

Tue 7/2911:25 amFSD - HEL

2 stops23h 30mUnited Airlines

Deal found 6/25

$441

Tue 7/296:21 amFSD - HEL

1 stop20h 24mAmerican Airlines

Deal found 6/26

$611

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Mon 9/15

1:21 pm-10:45 am

1 stop13h 24m

Helsinki-Vantaa

Fri 9/26

12:35 pm-9:23 pm

1 stop16h 48m

$541

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Mon 9/15

12:18 pm-2:20 pm

2 stops18h 02m

Helsinki-Vantaa

Fri 9/26

12:35 pm-9:23 pm

1 stop16h 48m

$546

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Fri 11/14

5:14 pm-6:40 pm

2 stops17h 26m

Helsinki-Vantaa

Tue 11/18

7:05 am-9:46 pm

2 stops22h 41m

$566

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Tue 7/29

11:25 am-6:55 pm

2 stops23h 30m

$441

Sioux FallsHelsinki

FSD - HEL

FSDHEL

Sioux Falls Joe Foss Field

Tue 7/29

6:21 am-10:45 am

1 stop20h 24m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Best time to book a flight from South Dakota to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland 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 Finland

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

Reviews of airlines servicing Finland

Read through reviews of airlines operating flights from South Dakota to Finland, such as United Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,838 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,838 reviews

United Airlines

7.4

Good

8,838 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,838 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Can I find deals for flights from South Dakota to Finland that include hotel bookings?
Yes. In addition to deals on South Dakota to Finland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Dakota to Finland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Finland.
Can I find deals for business class flights from South Dakota to Finland?
Yes. Cheapflights offers flight deals from South Dakota to Finland 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 Finland?
Currently, November is the cheapest month in which you can book a flight from South Dakota to Finland (average of $444). Flying from South Dakota to Finland in June is currently the most expensive (average of $1,085). 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

Browse thousands of different options on Cheapflights for your next trip

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Boston to Charles de Gaulle flights

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Dallas/Fort Worth to Frankfurt flights

Top airline flying from South Dakota to Finland

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

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$441+ Cheap flights from South Dakota to Finland

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 Finland 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 Finland

Keep the following information in mind while searching for South Dakota to Finland flight deals. Data was last updated June 26, 2025.

Round-trip from

One-way from

Find flight deals from South Dakota to Finland

Cheapest flights from South Dakota to FinlandExplore the most affordable flight options available from South Dakota to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Explore the most affordable flight options available from South Dakota to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from South Dakota to Finland

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

Cheapflights Insights

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

Reviews of airlines servicing Finland

Read through reviews of airlines operating flights from South Dakota to Finland, such as United Airlines and American Airlines. You can also see how each airline stacks up in terms of 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 Finland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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 Finland

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

Top airline flying from South Dakota to Finland

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from South Dakota to Finland
Explore the most affordable flight options available from South Dakota to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.