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Cheap flights from San Francisco to Helsinki from $298

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Helsinki departing on 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Francisco to Helsinki

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
4:40 pm - 10:40 am
SFO
-
HEL
32h 00m
1 stop
Scandinavian Airlines Logo
7:00 am - 2:35 pm
HEL
-
SFO
17h 35m
2 stops
$506Scandinavian Airlines
Fri, Feb 27 - Mon, Mar 2
Scandinavian Airlines Logo
4:40 pm - 3:25 pm
SFO
-
HEL
12h 45m
1 stop
Scandinavian Airlines Logo
4:05 pm - 2:35 pm
HEL
-
SFO
32h 30m
1 stop
$512Scandinavian Airlines
Sun, Mar 1 - Wed, Nov 25
Scandinavian Airlines Logo
4:40 pm - 11:45 pm
SFO
-
HEL
21h 05m
2 stops
Scandinavian Airlines Logo
8:55 pm - 2:35 pm
HEL
-
SFO
27h 40m
2 stops
$513Scandinavian Airlines
Sun, Mar 1 - Wed, Nov 25
Scandinavian Airlines Logo
4:40 pm - 3:25 pm
SFO
-
HEL
12h 45m
1 stop
Scandinavian Airlines Logo
4:10 pm - 2:35 pm
HEL
-
SFO
32h 25m
2 stops
$520Scandinavian Airlines
Mon, Feb 16 - Wed, Mar 4
Scandinavian Airlines Logo
4:40 pm - 3:25 pm
SFO
-
HEL
12h 45m
1 stop
Scandinavian Airlines Logo
4:10 pm - 2:35 pm
HEL
-
SFO
32h 25m
2 stops
$521Scandinavian Airlines
Mon, Feb 16 - Wed, Mar 4
Scandinavian Airlines Logo
5:40 pm - 1:35 am
SFO
-
HEL
22h 55m
1 stop
Scandinavian Airlines Logo
6:30 pm - 3:35 pm
HEL
-
SFO
54h 05m
2 stops
$523Scandinavian Airlines
Mon, Mar 9 - Sat, Mar 21
Scandinavian Airlines Logo
4:40 pm - 2:55 pm
SFO
-
HEL
36h 15m
2 stops
Scandinavian Airlines Logo
7:00 am - 2:35 pm
HEL
-
SFO
17h 35m
2 stops
$525Scandinavian Airlines
Fri, Feb 27 - Fri, Mar 6
Scandinavian Airlines Logo
4:45 pm - 8:35 pm
SFO
-
HEL
17h 50m
2 stops
Scandinavian Airlines Logo
9:05 pm - 2:40 pm
HEL
-
SFO
27h 35m
1 stop
$532Scandinavian Airlines
Mon, Apr 13 - Mon, Apr 20
Scandinavian Airlines Logo
4:45 pm - 8:35 pm
SFO
-
HEL
17h 50m
2 stops
Scandinavian Airlines Logo
1:25 pm - 2:40 pm
HEL
-
SFO
35h 15m
2 stops
$533Scandinavian Airlines
Mon, Apr 13 - Mon, Apr 20
Scandinavian Airlines Logo
5:40 pm - 3:25 pm
SFO
-
HEL
12h 45m
1 stop
Scandinavian Airlines Logo
6:15 am - 3:35 pm
HEL
-
SFO
18h 20m
1 stop
$536Scandinavian Airlines
Tue, Mar 17 - Mon, Mar 23

Turkish Airlines flights from San Francisco to Helsinki

Our best Turkish Airlines deals on San Francisco to Helsinki flight tickets
Turkish Airlines
Feb 17
SFO6:50 pmSan Francisco
30h 45m
1 stop
HEL11:35 amHelsinki-Vantaa
Mar 5
HEL7:00 pmHelsinki-Vantaa
31h 45m
1 stop
SFO4:45 pmSan Francisco
$610
Turkish Airlines
Feb 16
SFO6:50 pmSan Francisco
30h 45m
1 stop
HEL11:35 amHelsinki-Vantaa
Mar 4
HEL7:00 pmHelsinki-Vantaa
31h 45m
1 stop
SFO4:45 pmSan Francisco
$627
Turkish Airlines
Mar 9
SFO7:50 pmSan Francisco
30h 45m
1 stop
HEL11:35 amHelsinki-Vantaa
Mar 21
HEL7:00 pmHelsinki-Vantaa
26h 05m
1 stop
SFO12:05 pmSan Francisco
$662

American Airlines flights from San Francisco to Helsinki

Our best American Airlines deals on San Francisco to Helsinki flight tickets
American Airlines
Feb 15
SFO12:30 amSan Francisco
24h 15m
1 stop
HEL10:45 amHelsinki-Vantaa
Mar 4
HEL5:00 pmHelsinki-Vantaa
28h 10m
1 stop
SFO11:10 amSan Francisco
$776
American Airlines
Feb 15
SFO12:30 amSan Francisco
24h 15m
1 stop
HEL10:45 amHelsinki-Vantaa
Mar 4
HEL5:00 pmHelsinki-Vantaa
17h 52m
1 stop
SFO12:52 amSan Francisco
$779
American Airlines
Feb 17
SFO6:00 amSan Francisco
18h 45m
1 stop
HEL10:45 amHelsinki-Vantaa
Feb 26
HEL4:00 pmHelsinki-Vantaa
15h 23m
1 stop
SFO9:23 pmSan Francisco
$782

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Helsinki 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 January 31, 2026.
Use the filters below to find and compare flights from San Francisco to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Fri 2/27

4:40 pm-10:40 am

1 stop32h 00m

Helsinki-Vantaa

Mon 3/2

7:00 am-2:35 pm

2 stops17h 35m

$506

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Sun 3/1

4:40 pm-3:25 pm

1 stop12h 45m

Helsinki-Vantaa

Wed 11/25

4:05 pm-2:35 pm

1 stop32h 30m

$512

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Sun 3/1

4:40 pm-11:45 pm

2 stops21h 05m

Helsinki-Vantaa

Wed 11/25

8:55 pm-2:35 pm

2 stops27h 40m

$513

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Mon 2/16

4:40 pm-3:25 pm

1 stop12h 45m

Helsinki-Vantaa

Wed 3/4

4:10 pm-2:35 pm

2 stops32h 25m

$520

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Mon 2/16

4:40 pm-3:25 pm

1 stop12h 45m

Helsinki-Vantaa

Wed 3/4

4:10 pm-2:35 pm

2 stops32h 25m

$521

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Mon 3/9

5:40 pm-1:35 am

1 stop22h 55m

Helsinki-Vantaa

Sat 3/21

6:30 pm-3:35 pm

2 stops54h 05m

$523

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Fri 2/27

4:40 pm-2:55 pm

2 stops36h 15m

Helsinki-Vantaa

Fri 3/6

7:00 am-2:35 pm

2 stops17h 35m

$525

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Mon 4/13

4:45 pm-8:35 pm

2 stops17h 50m

Helsinki-Vantaa

Mon 4/20

9:05 pm-2:40 pm

1 stop27h 35m

$532

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Mon 4/13

4:45 pm-8:35 pm

2 stops17h 50m

Helsinki-Vantaa

Mon 4/20

1:25 pm-2:40 pm

2 stops35h 15m

$533

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Tue 3/17

5:40 pm-3:25 pm

1 stop12h 45m

Helsinki-Vantaa

Mon 3/23

6:15 am-3:35 pm

1 stop18h 20m

$536

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Helsinki from

How to get the cheapest flight ticket from San Francisco to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Helsinki?

The month of February is, on average, the cheapest month to fly to Helsinki from San Francisco, with most prices found around $652. If you aren’t able to travel during the month of February, then book flights to Helsinki from San Francisco during October instead. Flights to Helsinki in October, while not as cheap as those in February, still average around $657.

How far in advance should I book a flight to Helsinki?

You are more likely to see cheaper flights to Helsinki from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $855 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from San Francisco for as low as $739 on momondo.

Can stopping save me money on San Francisco to Helsinki flights?

You could potentially save up to 61% on your flight if you consider stops on a San Francisco to Helsinki flight.

How have San Francisco to Helsinki flight prices changed over time?

As of January 2026, prices for San Francisco to Helsinki flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Helsinki according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Helsinki (SFO to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Helsinki

Fastest flight time

12h 35m

Direct flights

None
The fastest flight from San Francisco to Helsinki takes 12h 35m
There are no direct flights from San Francisco to Helsinki. There are no popular flight routes from San Francisco to Helsinki.
Search flight deals

  • How far is San Francisco to Helsinki-Vantaa by plane?

    San Francisco and Helsinki-Vantaa are 5415.4 mi apart from one another. In terms of flight time, this usually takes a little over 12h 35m.

  • When did momondo last update prices for flights from San Francisco Airport to Helsinki-Vantaa Airport?

    Prices for flights from San Francisco Airport to Helsinki-Vantaa Airport refresh daily.

  • How many operators does momondo search for flights from San Francisco Airport to Helsinki-Vantaa Airport?

  • How old do you have to be to fly from San Francisco Airport to Helsinki-Vantaa Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Francisco to Helsinki?

Best airlines flying from San Francisco to Helsinki

Compare and see reviews for airlines that fly from San Francisco to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
Brussels AirlinesPriceFrom $483Free CancellationRating
7.2
381 reviews
Search Brussels Airlines flights
Scandinavian AirlinesPriceFrom $496Free CancellationRating
7.3
1,676 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $538Free CancellationRating
7.9
8,130 reviews
Search Delta flights
LufthansaPriceFrom $566Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
FinnairPriceFrom $572Free CancellationRating
7.6
1,356 reviews
Search Finnair flights
American AirlinesPriceFrom $580Free CancellationRating
7.2
11,211 reviews
Search American Airlines flights
United AirlinesPriceFrom $615Free CancellationRating
7.4
9,219 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $623Free CancellationRating
7.3
4,210 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $685Free CancellationRating
6.7
7,706 reviews
Search British Airways flights

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Espoo
Lahti
Kotka

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Helsinki?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Helsinki. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Francisco to Helsinki with flexible booking policies on momondo?

Flights from San Francisco to Helsinki with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Francisco to Helsinki?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Helsinki.

I’m not ready to book a flight from San Francisco to Helsinki right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco to Helsinki 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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