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Cheap flights from Finland to San Francisco from $1,222

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Finland to San Francisco departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Finland to San Francisco

Recent round-trip flight deals from Finland to San Francisco

Enter your travel dates to find the best prices.
American Airlines Logo
12:35 pm - 12:09 pm
HEL
-
STS
33h 34m
1 stop
American Airlines Logo
4:21 pm - 2:15 pm
STS
-
HEL
35h 54m
2 stops
$1,222American Airlines
Wed, Sep 30 - Sun, Oct 4
American Airlines Logo
12:35 pm - 12:09 pm
HEL
-
STS
33h 34m
1 stop
American Airlines Logo
4:21 pm - 2:15 pm
STS
-
HEL
35h 54m
2 stops
$1,224American Airlines
Wed, Sep 30 - Sun, Oct 4
American Airlines Logo
4:25 pm - 12:09 pm
HEL
-
STS
29h 44m
2 stops
American Airlines Logo
12:56 pm - 10:45 am
STS
-
HEL
35h 49m
2 stops
$1,253American Airlines
Wed, Sep 30 - Sun, Oct 4
Finnair Logo
4:05 pm - 9:31 pm
HEL
-
STS
15h 26m
1 stop
Finnair Logo
12:03 pm - 3:25 pm
STS
-
HEL
17h 22m
1 stop
$1,320Finnair
Wed, Sep 30 - Sun, Oct 4
Finnair Logo
4:05 pm - 9:31 pm
HEL
-
STS
15h 26m
1 stop
Finnair Logo
12:03 pm - 3:25 pm
STS
-
HEL
17h 22m
1 stop
$1,322Finnair
Wed, Sep 30 - Sun, Oct 4
Finnair Logo
7:30 pm - 9:31 pm
HEL
-
STS
36h 01m
2 stops
Finnair Logo
12:03 pm - 3:25 pm
STS
-
HEL
17h 22m
1 stop
$1,370Finnair
Wed, Sep 30 - Sun, Oct 4
Finnair Logo
4:05 pm - 9:31 pm
HEL
-
STS
15h 26m
1 stop
Finnair Logo
12:03 pm - 3:25 pm
STS
-
HEL
17h 22m
1 stop
$1,374Finnair
Wed, Sep 30 - Sun, Oct 4
American Airlines Logo
4:25 pm - 12:09 pm
HEL
-
STS
29h 44m
2 stops
American Airlines Logo
12:56 pm - 2:15 pm
STS
-
HEL
39h 19m
2 stops
$1,403American Airlines
Wed, Sep 30 - Sun, Oct 4

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American Airlines flights from Finland to Santa Rosa

Our best American Airlines deals on Finland to Santa Rosa flight tickets
American Airlines
Sep 30
HEL12:35 pmHelsinki-Vantaa
33h 34m
1 stop
STS12:09 pmSanta Rosa Sonoma County
Oct 4
STS4:21 pmSanta Rosa Sonoma County
35h 54m
2 stops
HEL2:15 pmHelsinki-Vantaa
$1,222
American Airlines
Sep 30
HEL12:35 pmHelsinki-Vantaa
33h 34m
1 stop
STS12:09 pmSanta Rosa Sonoma County
Oct 4
STS4:21 pmSanta Rosa Sonoma County
35h 54m
2 stops
HEL2:15 pmHelsinki-Vantaa
$1,224
American Airlines
Sep 30
HEL4:25 pmHelsinki-Vantaa
29h 44m
2 stops
STS12:09 pmSanta Rosa Sonoma County
Oct 4
STS12:56 pmSanta Rosa Sonoma County
35h 49m
2 stops
HEL10:45 amHelsinki-Vantaa
$1,253

Finnair flights from Finland to Santa Rosa

Our best Finnair deals on Finland to Santa Rosa flight tickets
Finnair
Sep 30
HEL4:05 pmHelsinki-Vantaa
15h 26m
1 stop
STS9:31 pmSanta Rosa Sonoma County
Oct 4
STS12:03 pmSanta Rosa Sonoma County
17h 22m
1 stop
HEL3:25 pmHelsinki-Vantaa
$1,320
Finnair
Sep 30
HEL4:05 pmHelsinki-Vantaa
15h 26m
1 stop
STS9:31 pmSanta Rosa Sonoma County
Oct 4
STS12:03 pmSanta Rosa Sonoma County
17h 22m
1 stop
HEL3:25 pmHelsinki-Vantaa
$1,322
Finnair
Sep 30
HEL7:30 pmHelsinki-Vantaa
36h 01m
2 stops
STS9:31 pmSanta Rosa Sonoma County
Oct 4
STS12:03 pmSanta Rosa Sonoma County
17h 22m
1 stop
HEL3:25 pmHelsinki-Vantaa
$1,370

momondo Fare Finder

 
Customize your flight search to find flights from Finland to Santa Rosa 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, momondo users made 832,500 searches. Data last updated June 13, 2026.
Use the filters below to find and compare flights from Finland to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelsinkiSanta Rosa

HEL - STS

HELSTS

Helsinki-Vantaa

Wed 9/30

12:35 pm-12:09 pm

1 stop33h 34m

Santa Rosa Sonoma County

Sun 10/4

4:21 pm-2:15 pm

2 stops35h 54m

$1,222

HelsinkiSanta Rosa

HEL - STS

HELSTS

Helsinki-Vantaa

Wed 9/30

12:35 pm-12:09 pm

1 stop33h 34m

Santa Rosa Sonoma County

Sun 10/4

4:21 pm-2:15 pm

2 stops35h 54m

$1,224

HelsinkiSanta Rosa

HEL - STS

HELSTS

Helsinki-Vantaa

Wed 9/30

4:25 pm-12:09 pm

2 stops29h 44m

Santa Rosa Sonoma County

Sun 10/4

12:56 pm-10:45 am

2 stops35h 49m

$1,253
Quickest round-trip

HelsinkiSanta Rosa

HEL - STS

HELSTS

Helsinki-Vantaa

Wed 9/30

4:05 pm-9:31 pm

1 stop15h 26m

Santa Rosa Sonoma County

Sun 10/4

12:03 pm-3:25 pm

1 stop17h 22m

$1,320

HelsinkiSanta Rosa

HEL - STS

HELSTS

Helsinki-Vantaa

Wed 9/30

4:05 pm-9:31 pm

1 stop15h 26m

Santa Rosa Sonoma County

Sun 10/4

12:03 pm-3:25 pm

1 stop17h 22m

$1,322

HelsinkiSanta Rosa

HEL - STS

HELSTS

Helsinki-Vantaa

Wed 9/30

7:30 pm-9:31 pm

2 stops36h 01m

Santa Rosa Sonoma County

Sun 10/4

12:03 pm-3:25 pm

1 stop17h 22m

$1,370

HelsinkiSanta Rosa

HEL - STS

HELSTS

Helsinki-Vantaa

Wed 9/30

4:05 pm-9:31 pm

1 stop15h 26m

Santa Rosa Sonoma County

Sun 10/4

12:03 pm-3:25 pm

1 stop17h 22m

$1,374

HelsinkiSanta Rosa

HEL - STS

HELSTS

Helsinki-Vantaa

Wed 9/30

4:25 pm-12:09 pm

2 stops29h 44m

Santa Rosa Sonoma County

Sun 10/4

12:56 pm-2:15 pm

2 stops39h 19m

$1,403

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Finland to Santa Rosa flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Finland to Santa Rosa

Fastest flight time

15h 26m

Direct flights

None
The fastest flight from Finland to Santa Rosa takes 15h 26m
There are no direct flights from Finland to Santa Rosa. There are no popular flight routes from Finland to Santa Rosa.
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Frequently asked questions about flying from Finland to Santa Rosa

  • When did momondo last update prices for flights from Finland to Santa Rosa Sonoma County Airport?

    Prices for flights from Finland to Santa Rosa Sonoma County Airport refresh daily.

  • How old do you have to be to fly from Finland to Santa Rosa Sonoma County Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Finland to Santa Rosa Sonoma County Airport.

  • What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

    The necessary travel and health documents for your Santa Rosa Sonoma County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Finland to Santa Rosa

  • How do I get Price Alerts for flights from Finland to Santa Rosa?

    Confirm your travel details to search for the latest offers for flights from Finland to Santa Rosa. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Finland to Santa Rosa with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
Mendocino
Ukiah
Little River
Point Arena

Why use momondo?

Why should I use momondo to find a flight deal from Finland to Santa Rosa?

Finding the right flight to Santa Rosa from Finland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Santa Rosa quick and easy, saving you time and money.

Can I find flights from Finland to Santa Rosa with flexible booking policies on momondo?

All flight searches from Finland to Santa Rosa on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Finland to Santa Rosa?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Santa Rosa from Finland.

I’m not ready to book a flight from Finland to Santa Rosa right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Finland to Santa Rosa flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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