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$1,008+ Cheap flights from Santa Rosa (STS) 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
STS — HEL
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
1 adult, Economy
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Cheap flight deals from Santa Rosa to Finland

Keep the following information in mind while searching for Santa Rosa to Finland flight deals. Data was last updated April 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

June

Cheapest in

November

Average price

$1,135
Provider with most accurate pricing for San Francisco-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Helsinki-Vantaa flights.
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($254 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Santa Rosa to Finland

One-way flights from Santa Rosa to Finland
Search for one-way flight options from Santa Rosa to Finland. Find affordable one-way fares based on user searches. Data last updated April 16, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/297:00 amSTS - HEL
1 stop22h 20mAlaska Airlines
Deal found 4/15$1,008

Cheapflights Fare Finder

Customize your flight search to find flights from Santa Rosa to Finland 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 16, 2025.
Use the filters below to find and compare flights from Santa Rosa to Finland that are best for you.

Fly from

Santa Rosa

Fly to

Finland

Route

Depart

Return

Price

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

Sun 6/29

7:00 am-3:20 pm

1 stop22h 20m

$1,008

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Best time to book a flight from Santa Rosa to Finland

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

What is the cheapest month to book a flight from Santa Rosa to Finland?

Currently, November is the cheapest month in which you can book a flight from Santa Rosa to Finland (average of $444). Flying from Santa Rosa to Finland in June is currently the most expensive (average of $1,123). 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.

Rainfall in Finland by month

Plan your trip to Finland by taking into account the average rainfall totals by month.

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.

Temperature in Finland by month

Plan your trip to Finland by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Finland

Get insights into the airlines that provide service to Finland. 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 Finland. Reviews last updated April 16, 2025.
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Finland. 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 from for flights from Santa Rosa to Finland?

    Most people fly from Santa Rosa Sonoma County (STS) if they book a flight from Santa Rosa to Finland. Santa Rosa Sonoma County is conveniently located just 7.2 mi from Santa Rosa’s city center.

  • Can I find deals for flights from Santa Rosa to Finland that include hotel bookings?

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

  • How can I find direct flights from Santa Rosa to Finland?

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

  • Can I find deals for business class flights from Santa Rosa to Finland?

    Yes. Cheapflights offers flight deals from Santa Rosa 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 Santa Rosa to Finland?

    Currently, November is the cheapest month in which you can book a flight from Santa Rosa to Finland (average of $444). Flying from Santa Rosa to Finland in June is currently the most expensive (average of $1,123). 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

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