Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Helsinki from $263

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 1/17. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
3:10 pm - 10:30 am
SFO
-
HEL
33h 20m2 stops
Scandinavian Airlines Logo
4:10 pm - 2:35 pm
HEL
-
SFO
32h 25m2 stops
$494Scandinavian Airlines
Thu, Jan 29 - Thu, Feb 5
Scandinavian Airlines Logo
4:40 pm - 10:40 am
SFO
-
HEL
32h 00m1 stop
Scandinavian Airlines Logo
11:05 am - 1:05 pm
HEL
-
SFO
36h 00m2 stops
$497Scandinavian Airlines
Mon, Jan 12 - Wed, Jan 28
Scandinavian Airlines Logo
4:40 pm - 3:25 pm
SFO
-
HEL
12h 45m1 stop
Scandinavian Airlines Logo
4:05 pm - 2:35 pm
HEL
-
SFO
32h 30m1 stop
$503Scandinavian Airlines
Fri, Jan 30 - Sat, Feb 7
Scandinavian Airlines Logo
4:40 pm - 10:40 am
SFO
-
HEL
32h 00m1 stop
Scandinavian Airlines Logo
5:30 pm - 2:35 pm
HEL
-
SFO
31h 05m2 stops
$504Scandinavian Airlines
Mon, Jan 12 - Sat, Jan 17
Scandinavian Airlines Logo
4:40 pm - 1:35 am
SFO
-
HEL
22h 55m1 stop
Scandinavian Airlines Logo
6:15 am - 3:35 pm
HEL
-
SFO
18h 20m1 stop
$506Scandinavian Airlines
Mon, Feb 23 - Mon, Mar 9
Scandinavian Airlines Logo
4:40 pm - 10:40 am
SFO
-
HEL
32h 00m1 stop
Scandinavian Airlines Logo
11:05 am - 1:05 pm
HEL
-
SFO
36h 00m2 stops
$509Scandinavian Airlines
Mon, Jan 12 - Wed, Jan 28
Scandinavian Airlines Logo
4:40 pm - 3:25 pm
SFO
-
HEL
12h 45m1 stop
Scandinavian Airlines Logo
3:35 pm - 2:35 pm
HEL
-
SFO
33h 00m2 stops
$510Scandinavian Airlines
Thu, Jan 15 - Sun, Jan 25
Scandinavian Airlines Logo
4:40 pm - 11:45 pm
SFO
-
HEL
21h 05m2 stops
Scandinavian Airlines Logo
3:35 pm - 2:35 pm
HEL
-
SFO
33h 00m2 stops
$512Scandinavian Airlines
Thu, Jan 15 - Sun, Jan 25
Scandinavian Airlines Logo
4:40 pm - 3:25 pm
SFO
-
HEL
12h 45m1 stop
Scandinavian Airlines Logo
7:40 pm - 2:35 pm
HEL
-
SFO
28h 55m2 stops
$513Scandinavian Airlines
Mon, Feb 16 - Sun, Feb 22
Scandinavian Airlines Logo
4:40 pm - 8:20 pm
SFO
-
HEL
17h 40m2 stops
Scandinavian Airlines Logo
7:40 pm - 2:35 pm
HEL
-
SFO
28h 55m2 stops
$514Scandinavian Airlines
Mon, Feb 16 - Sun, Feb 22

Turkish Airlines flights from San Francisco to Helsinki

Our best Turkish Airlines deals on San Francisco to Helsinki flight tickets
Turkish Airlines
Jan 20
SFO1:10 pmSan Francisco
18h 55m
1 stop
HEL6:05 pmHelsinki-Vantaa
Feb 10
HEL12:30 pmHelsinki-Vantaa
38h 15m
1 stop
SFO4:45 pmSan Francisco
$608
Find similar
Turkish Airlines
Jan 12
SFO6:50 pmSan Francisco
30h 45m
1 stop
HEL11:35 amHelsinki-Vantaa
Jan 28
HEL7:00 pmHelsinki-Vantaa
31h 45m
1 stop
SFO4:45 pmSan Francisco
$622
Find similar
Turkish Airlines
Jan 1
SFO1:10 pmSan Francisco
36h 25m
1 stop
HEL11:35 amHelsinki-Vantaa
Jan 23
HEL12:30 pmHelsinki-Vantaa
38h 15m
1 stop
SFO4:45 pmSan Francisco
$624
Find similar

British Airways flights from San Francisco to Helsinki

Our best British Airways deals on San Francisco to Helsinki flight tickets
British Airways
Jan 20
SFO7:30 amSan Francisco
18h 50m
2 stops
HEL12:20 pmHelsinki-Vantaa
Feb 10
HEL4:50 pmHelsinki-Vantaa
17h 57m
1 stop
SFO12:47 amSan Francisco
$673
Find similar
British Airways
Dec 24
SFO7:00 amSan Francisco
28h 10m
2 stops
HEL9:10 pmHelsinki-Vantaa
Jan 9
HEL4:50 pmHelsinki-Vantaa
17h 57m
1 stop
SFO12:47 amSan Francisco
$1,262
Find similar
British Airways
Dec 25
SFO2:44 pmSan Francisco
22h 16m
2 stops
HEL11:00 pmHelsinki-Vantaa
Dec 31
HEL2:00 pmHelsinki-Vantaa
37h 04m
2 stops
SFO5:04 pmSan Francisco
$1,504
Find similar

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 December 16, 2025.
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

Thu 1/29

3:10 pm-10:30 am

2 stops33h 20m

Helsinki-Vantaa

Thu 2/5

4:10 pm-2:35 pm

2 stops32h 25m

$494

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Mon 1/12

4:40 pm-10:40 am

1 stop32h 00m

Helsinki-Vantaa

Wed 1/28

11:05 am-1:05 pm

2 stops36h 00m

$497

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Fri 1/30

4:40 pm-3:25 pm

1 stop12h 45m

Helsinki-Vantaa

Sat 2/7

4:05 pm-2:35 pm

1 stop32h 30m

$503

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Mon 1/12

4:40 pm-10:40 am

1 stop32h 00m

Helsinki-Vantaa

Sat 1/17

5:30 pm-2:35 pm

2 stops31h 05m

$504

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Mon 2/23

4:40 pm-1:35 am

1 stop22h 55m

Helsinki-Vantaa

Mon 3/9

6:15 am-3:35 pm

1 stop18h 20m

$506

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Mon 1/12

4:40 pm-10:40 am

1 stop32h 00m

Helsinki-Vantaa

Wed 1/28

11:05 am-1:05 pm

2 stops36h 00m

$509

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Thu 1/15

4:40 pm-3:25 pm

1 stop12h 45m

Helsinki-Vantaa

Sun 1/25

3:35 pm-2:35 pm

2 stops33h 00m

$510

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Thu 1/15

4:40 pm-11:45 pm

2 stops21h 05m

Helsinki-Vantaa

Sun 1/25

3:35 pm-2:35 pm

2 stops33h 00m

$512

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Mon 2/16

4:40 pm-3:25 pm

1 stop12h 45m

Helsinki-Vantaa

Sun 2/22

7:40 pm-2:35 pm

2 stops28h 55m

$513

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Mon 2/16

4:40 pm-8:20 pm

2 stops17h 40m

Helsinki-Vantaa

Sun 2/22

7:40 pm-2:35 pm

2 stops28h 55m

$514

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 October is, on average, the cheapest month to fly to Helsinki from San Francisco, with most prices found around $660. If you aren’t able to travel during the month of October, then book flights to Helsinki from San Francisco during November instead. Flights to Helsinki in November, while not as cheap as those in October, still average around $694.

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Sunday when prices can be found for as low as $902. This is often the case because there is less demand to fly during this day of the week. Flights from San Francisco to Helsinki on a Saturday will generally be more expensive and average around $1,185. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Helsinki?

According to our data, the cheapest time of day to fly to Helsinki is in the evening. momondo users have found flights departing from San Francisco to Helsinki in the evening for as low as $931. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Helsinki, so prices are often more expensive at around $1,133 per ticket.

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 $881 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 $767 on momondo.

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

You could potentially save up to 53% 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 December 2025, prices for San Francisco to Helsinki flights are approximately 24% cheaper 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 45m

Direct flights

None
The fastest flight from San Francisco to Helsinki takes 12h 45m
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 45m.

  • 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
375 reviews
Search Brussels Airlines flights
Scandinavian AirlinesPriceFrom $495Free CancellationRating
7.4
1,606 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $566Free CancellationRating
6.8
7,631 reviews
Search Lufthansa flights
FinnairPriceFrom $572Free CancellationRating
7.6
1,337 reviews
Search Finnair flights
American AirlinesPriceFrom $580Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
United AirlinesPriceFrom $615Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $623Free CancellationRating
7.3
4,100 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $685Free CancellationRating
6.7
7,580 reviews
Search British Airways flights
DeltaPriceFrom $705Free CancellationRating
7.9
8,010 reviews
Search Delta 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.

An easier way to manage your Helsinki trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 1/15
Thu 1/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Finland