HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Finland

$822+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
STS — HEL
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Finland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$822
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$630
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
From Santa Rosa Sonoma County to Finland
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($242 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 12, 2026.

This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:07 pm
STS
-
HEL
2 stops40h 18m
American Airlines
Wed 5/274:50 pm
HEL
-
STS
2 stops29h 35m
American Airlines
Deal found 1/11$822
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:07 pm
STS
-
HEL
2 stops38h 03m
American Airlines
Wed 5/274:50 pm
HEL
-
STS
2 stops29h 35m
American Airlines
Deal found 1/11$823
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:07 pm
STS
-
HEL
2 stops38h 03m
American Airlines
Tue 5/264:20 pm
HEL
-
STS
2 stops30h 15m
American Airlines
Deal found 1/11$851
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/214:26 pm
STS
-
HEL
2 stops36h 59m
American Airlines
Wed 5/274:50 pm
HEL
-
STS
2 stops29h 35m
American Airlines
Deal found 1/11$854
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:07 pm
STS
-
HEL
2 stops40h 18m
American Airlines
Tue 5/2612:35 pm
HEL
-
STS
2 stops34h 00m
American Airlines
Deal found 1/11$869
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:05 pm
STS
-
HEL
2 stops39h 45m
American Airlines
Wed 5/274:50 pm
HEL
-
STS
2 stops29h 35m
American Airlines
Deal found 1/11$874
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:05 pm
STS
-
HEL
2 stops38h 55m
American Airlines
Tue 5/2612:35 pm
HEL
-
STS
2 stops34h 00m
American Airlines
Deal found 1/11$894
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:23 pm
STS
-
HEL
2 stops35h 52m
American Airlines
Tue 5/264:25 pm
HEL
-
STS
2 stops30h 10m
American Airlines
Deal found 1/11$954
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:23 pm
STS
-
HEL
2 stops35h 52m
American Airlines
Wed 5/274:25 pm
HEL
-
STS
2 stops57h 28m
American Airlines
Deal found 1/11$968

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 January 12, 2026.
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

Sat 5/23

1:07 pm-1:10 pm

2 stops38h 03m

Helsinki-Vantaa

Wed 5/27

4:50 pm-12:25 pm

2 stops29h 35m

$823

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

Thu 5/21

1:07 pm-3:25 pm

2 stops40h 18m

Helsinki-Vantaa

Tue 5/26

12:35 pm-12:35 pm

2 stops34h 00m

$869

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

Fri 5/22

1:05 pm-2:50 pm

2 stops39h 45m

Helsinki-Vantaa

Wed 5/27

4:50 pm-12:25 pm

2 stops29h 35m

$874

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

Thu 5/21

4:26 pm-3:25 pm

2 stops36h 59m

Helsinki-Vantaa

Wed 5/27

12:35 pm-12:25 pm

1 stop33h 50m

$877

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

Sat 5/23

1:05 pm-10:45 am

1 stop35h 40m

Helsinki-Vantaa

Sun 5/31

12:35 pm-12:25 pm

1 stop33h 50m

$1,144

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

Mon 5/25

1:05 pm-10:45 am

1 stop35h 40m

Helsinki-Vantaa

Sun 5/31

12:35 pm-12:25 pm

1 stop33h 50m

$1,144

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

Wed 5/20

4:23 pm-2:15 pm

2 stops35h 52m

Helsinki-Vantaa

Fri 5/29

4:25 pm-12:35 pm

2 stops30h 10m

$1,152

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

Fri 5/22

1:05 pm-10:45 am

1 stop35h 40m

Helsinki-Vantaa

Sat 5/30

12:35 pm-12:25 pm

1 stop33h 50m

$1,175

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

Fri 5/22

1:05 pm-10:45 am

1 stop35h 40m

Helsinki-Vantaa

Sun 5/31

12:35 pm-12:25 pm

1 stop33h 50m

$1,205

Santa RosaHelsinki

STS - HEL

STSHEL

Santa Rosa Sonoma County

Fri 5/22

1:05 pm-10:45 am

1 stop35h 40m

Helsinki-Vantaa

Mon 5/25

12:35 pm-12:25 pm

1 stop33h 50m

$1,271

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

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, February is the cheapest month in which you can book a flight from Santa Rosa to Finland (average of $482). Flying from Santa Rosa to Finland in June is currently the most expensive (average of $941). 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 38h 03m. 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, February is the cheapest month in which you can book a flight from Santa Rosa to Finland (average of $482). Flying from Santa Rosa to Finland in June is currently the most expensive (average of $941). 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

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

Alternative routes for Santa Rosa to Finland

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Charles de Gaulle flights
San Francisco to Charles de Gaulle flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
San Francisco to Istanbul flights
Los Angeles to Istanbul flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Gatwick flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to Madrid flights
San Francisco to Gatwick flights
Los Angeles to Frankfurt flights
Los Angeles to London City flights
San Francisco to Lisbon flights
San Francisco to London City flights
Los Angeles to Amsterdam flights
Los Angeles to Orly flights
Los Angeles to Dublin flights
Los Angeles to Stansted flights
San Francisco to Dublin flights
San Francisco to Frankfurt flights
San Diego to Heathrow flights
San Francisco to Amsterdam flights
San Francisco to Stansted flights
Los Angeles to Lisbon flights
San Francisco to Orly flights
San Francisco to Zurich flights
Los Angeles to Athens flights
Ontario to Heathrow flights
San Francisco to Madrid flights
San Francisco to Athens flights
Los Angeles to Malpensa flights
San Francisco to Malpensa flights
Los Angeles to Copenhagen flights
Ontario to Charles de Gaulle flights
Los Angeles to Zurich flights
San Francisco to Munich flights
Ontario to Leonardo da Vinci/Fiumicino flights
Las Vegas to Heathrow flights
San Francisco to Linate flights
Los Angeles to Linate flights
Santa Ana to Leonardo da Vinci/Fiumicino flights
Los Angeles to Sabiha Gokcen flights
Santa Ana to Charles de Gaulle flights
San Jose to Leonardo da Vinci/Fiumicino flights
Los Angeles to Munich flights
San Jose to Istanbul flights
Los Angeles to Luton flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.