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$979+ Cheap flights from Santa Rosa (STS) to Finland

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
STS — HEL
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$979
(Finnair)

Popular in

April

Cheapest in

November

Average price

$881
From Santa Rosa Sonoma County to Finland
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Santa Rosa to Finland

Cheapest flights from Santa Rosa to Finland
Explore the most affordable flight options available from Santa Rosa to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This Finnair deal was found by Cheapflights users on 9/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/32:21 pmSTS - HEL
2 stops20h 49mMultiple Airlines
mar. 12/94:00 pmHEL - STS
1 stop28h 19mMultiple Airlines
Deal found 9/11$979
This Finnair deal was found by Cheapflights users on 9/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/192:24 pmSTS - HEL
2 stops22h 36mMultiple Airlines
mar. 12/304:00 pmHEL - STS
1 stop18h 18mMultiple Airlines
Deal found 9/11$3,447

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 septiembre 11, 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

mié. 12/3

2:21 pm-9:10 pm

2 stops20h 49m

Helsinki-Vantaa

mar. 12/9

4:00 pm-10:19 am

1 stop28h 19m

$979

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

vie. 3/6

8:00 am-9:10 pm

2 stops27h 10m

Helsinki-Vantaa

mar. 3/10

12:30 pm-12:19 pm

2 stops32h 49m

$1,046

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

vie. 12/19

2:24 pm-11:00 pm

2 stops22h 36m

Helsinki-Vantaa

mar. 12/30

4:00 pm-12:18 am

1 stop18h 18m

$3,447

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 $1,082). 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.

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.

  • How long is the flight from Santa Rosa to Finland?

    Departing from Santa Rosa to Finland will take you 27h 10m. Santa Rosa and Finland are separated by a distance of 5364 mi.

  • 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 $1,082). 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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