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Cheap flights from Helsinki to San Francisco from $470

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to San Francisco departing on 10/27. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
4:10 pm - 2:35 pmHEL-SFO
32h 25m2 stops
Scandinavian Airlines Logo
5:40 pm - 11:45 pmSFO-HEL
21h 05m2 stops
$726Scandinavian Airlines
Find Deal
Fri, Feb 20 - Sun, Mar 8
Scandinavian Airlines Logo
7:00 am - 2:35 pmHEL-SFO
17h 35m2 stops
Scandinavian Airlines Logo
4:40 pm - 2:10 pmSFO-HEL
35h 30m2 stops
$743Scandinavian Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Scandinavian Airlines Logo
6:15 am - 3:35 pmHEL-SFO
18h 20m1 stop
Scandinavian Airlines Logo
4:40 pm - 8:20 pmSFO-HEL
17h 40m1 stop
$744Scandinavian Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 9
Multiple Airlines Logo
12:05 am - 2:35 pmHEL-SFO
24h 30m2 stops
Multiple Airlines Logo
4:40 pm - 12:30 amSFO-HEL
21h 50m3 stops
$748Multiple Airlines
Find Deal
Wed, Dec 3 - Thu, Dec 11
Air France Logo
2:05 pm - 11:50 amHEL-SFO
31h 45m1 stop
Air France Logo
3:40 pm - 10:35 pmSFO-HEL
20h 55m1 stop
$788Air France
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Wed, Dec 3 - Wed, Dec 10
Turkish Airlines Logo
12:30 pm - 4:45 pmHEL-SFO
38h 15m1 stop
Turkish Airlines Logo
6:50 pm - 6:05 pmSFO-HEL
37h 15m1 stop
$790Turkish Airlines
Find Deal
Mon, Feb 23 - Wed, Mar 4
Turkish Airlines Logo
12:30 pm - 11:05 amHEL-SFO
32h 35m1 stop
Turkish Airlines Logo
6:50 pm - 6:05 pmSFO-HEL
37h 15m1 stop
$796Turkish Airlines
Find Deal
Sat, Feb 21 - Wed, Mar 4
Air France Logo
7:00 am - 4:01 pmHEL-SFO
19h 01m2 stops
Air France Logo
1:55 pm - 5:25 pmSFO-HEL
17h 30m1 stop
$807Air France
Find Deal
Tue, Feb 24 - Thu, Mar 5
Multiple Airlines Logo
7:40 am - 3:35 pmHEL-SFO
17h 55m1 stop
Multiple Airlines Logo
5:20 pm - 11:05 pmSFO-HEL
19h 45m1 stop
$816Multiple Airlines
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Tue, Feb 24 - Wed, Mar 4
American Airlines Logo
12:30 pm - 7:09 pmHEL-SFO
16h 39m1 stop
American Airlines Logo
6:00 am - 1:55 pmSFO-HEL
21h 55m2 stops
$832American Airlines
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Thu, Nov 13 - Thu, Nov 27

Delta flights from Helsinki to San Francisco

Our best Delta deals on Helsinki to San Francisco flight tickets
Delta
Nov 8
HEL6:30 amHelsinki-Vantaa
22h 35m
2 stops
SFO7:05 pmSan Francisco
Nov 24
SFO10:30 amSan Francisco
19h 55m
2 stops
HEL4:25 pmHelsinki-Vantaa
$802
Find similar
Delta
Feb 24
HEL7:00 amHelsinki-Vantaa
14h 50m
1 stop
SFO11:50 amSan Francisco
Mar 8
SFO10:30 pmSan Francisco
29h 40m
2 stops
HEL1:10 pmHelsinki-Vantaa
$854
Find similar
Delta
Nov 14
HEL7:00 amHelsinki-Vantaa
14h 50m
1 stop
SFO11:50 amSan Francisco
Nov 18
SFO8:15 amSan Francisco
18h 55m
2 stops
HEL1:10 pmHelsinki-Vantaa
$866
Find similar

Scandinavian Airlines flights from Helsinki to San Francisco

Our best Scandinavian Airlines deals on Helsinki to San Francisco flight tickets
Scandinavian Airlines
Feb 20
HEL4:10 pmHelsinki-Vantaa
32h 25m
2 stops
SFO2:35 pmSan Francisco
Mar 8
SFO5:40 pmSan Francisco
21h 05m
2 stops
HEL11:45 pmHelsinki-Vantaa
$726
Find similar
Scandinavian Airlines
Nov 13
HEL7:00 amHelsinki-Vantaa
17h 35m
2 stops
SFO2:35 pmSan Francisco
Nov 27
SFO4:40 pmSan Francisco
35h 30m
2 stops
HEL2:10 pmHelsinki-Vantaa
$743
Find similar
Scandinavian Airlines
Oct 31
HEL6:15 amHelsinki-Vantaa
18h 20m
1 stop
SFO3:35 pmSan Francisco
Nov 9
SFO4:40 pmSan Francisco
17h 40m
1 stop
HEL8:20 pmHelsinki-Vantaa
$744
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Helsinki to San Francisco 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 October 21, 2025.
Use the filters below to find and compare flights from Helsinki to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Fri 2/20

4:10 pm-2:35 pm

2 stops32h 25m

San Francisco

Sun 3/8

5:40 pm-11:45 pm

2 stops21h 05m

$726

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 11/13

7:00 am-2:35 pm

2 stops17h 35m

San Francisco

Thu 11/27

4:40 pm-2:10 pm

2 stops35h 30m

$743

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Fri 10/31

6:15 am-3:35 pm

1 stop18h 20m

San Francisco

Sun 11/9

4:40 pm-8:20 pm

1 stop17h 40m

$744

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 12/3

12:05 am-2:35 pm

2 stops24h 30m

San Francisco

Thu 12/11

4:40 pm-12:30 am

3 stops21h 50m

$748

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 12/3

2:05 pm-11:50 am

1 stop31h 45m

San Francisco

Wed 12/10

3:40 pm-10:35 pm

1 stop20h 55m

$788

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 2/23

12:30 pm-4:45 pm

1 stop38h 15m

San Francisco

Wed 3/4

6:50 pm-6:05 pm

1 stop37h 15m

$790

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sat 2/21

12:30 pm-11:05 am

1 stop32h 35m

San Francisco

Wed 3/4

6:50 pm-6:05 pm

1 stop37h 15m

$796

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 2/24

7:00 am-4:01 pm

2 stops19h 01m

San Francisco

Thu 3/5

1:55 pm-5:25 pm

1 stop17h 30m

$807

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 2/24

7:40 am-3:35 pm

1 stop17h 55m

San Francisco

Wed 3/4

5:20 pm-11:05 pm

1 stop19h 45m

$816

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 11/13

12:30 pm-7:09 pm

1 stop16h 39m

San Francisco

Thu 11/27

6:00 am-1:55 pm

2 stops21h 55m

$832

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 San Francisco from

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

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 typical price of a round-trip flight between Helsinki and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $800.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Helsinki to San Francisco is on a Wednesday when prices can be found for as low as $756. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $1,053.

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

Our data shows that the cheapest Helsinki to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $911. Flights at noon are often more expensive with an average ticket price of $1,027.

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $870 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Helsinki for as low as $792 on momondo.

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

As of October 2025, prices for Helsinki to San Francisco flights are approximately 849% more expensive when compared to flights at the same time last year.

When to book flights from Helsinki to San Francisco

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

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

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

Direct flights

None
There are no direct flights from Helsinki to San Francisco. There are no popular flight routes from Helsinki to San Francisco.
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  • How far is Helsinki-Vantaa to San Francisco by plane?

    San Francisco is 5415.4 mi away from Helsinki-Vantaa. Flights usually cover this in 14h 50m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helsinki-Vantaa Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Helsinki to San Francisco

Compare and see reviews for airlines that fly from Helsinki to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $683Free CancellationRating
7.4
1,535 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $715Free CancellationRating
6.8
7,509 reviews
Search Lufthansa flights
American AirlinesPriceFrom $861Free CancellationRating
7.2
11,029 reviews
Search American Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Calistoga
Hayward
Big Sur
Santa Clara
Daly City
Berkeley
Fremont
Vallejo
Walnut Creek
Half Moon Bay
Salinas
Turlock
Pacific Grove
Livermore

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helsinki to San Francisco. momondo saves you time and could save you money on your trip.

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

Yes. All flights to San Francisco from Helsinki on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 San Francisco from Helsinki.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Helsinki and alert you when they change.

An easier way to manage your San Francisco trip

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