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Cheap flights from Helsinki to San Francisco from $625

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 7/13. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helsinki to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
11:15 am - 2:40 pm
HEL
-
SFO
13h 25m
1 stop
Scandinavian Airlines Logo
4:45 pm - 8:20 pm
SFO
-
HEL
17h 35m
1 stop
$929Scandinavian Airlines
Mon, Oct 12 - Mon, Nov 2
Turkish Airlines Logo
8:20 am - 4:40 pm
HEL
-
SFO
18h 20m
1 stop
Turkish Airlines Logo
6:35 pm - 11:30 am
SFO
-
HEL
30h 55m
1 stop
$931Turkish Airlines
Thu, Oct 22 - Thu, Nov 12
Scandinavian Airlines Logo
11:15 am - 2:40 pm
HEL
-
SFO
13h 25m
1 stop
Scandinavian Airlines Logo
4:45 pm - 8:20 pm
SFO
-
HEL
17h 35m
1 stop
$933Scandinavian Airlines
Thu, Oct 15 - Tue, Nov 3
Multiple Airlines Logo
3:00 pm - 10:44 pm
HEL
-
SFO
17h 44m
2 stops
Multiple Airlines Logo
6:00 am - 12:55 pm
SFO
-
HEL
20h 55m
2 stops
$934Multiple Airlines
Wed, Oct 14 - Wed, Nov 4
Scandinavian Airlines Logo
9:05 pm - 2:40 pm
HEL
-
SFO
27h 35m
1 stop
Scandinavian Airlines Logo
4:45 pm - 8:20 pm
SFO
-
HEL
17h 35m
2 stops
$941Scandinavian Airlines
Mon, Oct 12 - Mon, Nov 2
United Airlines Logo
6:55 am - 10:51 pm
HEL
-
SFO
25h 56m
2 stops
United Airlines Logo
1:55 pm - 12:20 am
SFO
-
HEL
24h 25m
2 stops
$945United Airlines
Mon, Jul 13 - Tue, Jul 21
United Airlines Logo
6:35 am - 9:18 pm
HEL
-
SFO
24h 43m
2 stops
United Airlines Logo
1:55 pm - 12:30 am
SFO
-
HEL
24h 35m
1 stop
$947United Airlines
Thu, Jul 16 - Mon, Jul 27
Scandinavian Airlines Logo
9:05 pm - 2:40 pm
HEL
-
SFO
27h 35m
1 stop
Scandinavian Airlines Logo
4:45 pm - 8:20 pm
SFO
-
HEL
17h 35m
1 stop
$950Scandinavian Airlines
Sun, Oct 11 - Mon, Nov 2
United Airlines Logo
6:35 am - 7:28 pm
HEL
-
SFO
22h 53m
2 stops
United Airlines Logo
11:14 pm - 6:55 pm
SFO
-
HEL
33h 41m
2 stops
$953United Airlines
Thu, Jul 23 - Tue, Aug 11
Multiple Airlines Logo
7:00 am - 4:02 pm
HEL
-
SFO
19h 02m
2 stops
Multiple Airlines Logo
11:30 am - 4:40 pm
SFO
-
HEL
19h 10m
2 stops
$957Multiple Airlines
Tue, Oct 13 - Wed, Nov 4

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United Airlines flights from Helsinki to San Francisco

Our best United Airlines deals on Helsinki to San Francisco flight tickets
United Airlines
Jul 13
HEL6:55 amHelsinki-Vantaa
25h 56m
2 stops
SFO10:51 pmSan Francisco
Jul 21
SFO7:15 pmSan Francisco
19h 05m
1 stop
HEL12:20 amHelsinki-Vantaa
$945
United Airlines
Jul 16
HEL6:35 amHelsinki-Vantaa
24h 43m
2 stops
SFO9:18 pmSan Francisco
Jul 27
SFO1:55 pmSan Francisco
24h 35m
1 stop
HEL12:30 amHelsinki-Vantaa
$947
United Airlines
Jul 23
HEL6:35 amHelsinki-Vantaa
22h 53m
2 stops
SFO7:28 pmSan Francisco
Aug 11
SFO11:14 pmSan Francisco
33h 41m
2 stops
HEL6:55 pmHelsinki-Vantaa
$953

Lufthansa flights from Helsinki to San Francisco

Our best Lufthansa deals on Helsinki to San Francisco flight tickets
Lufthansa
Oct 21
HEL6:35 amHelsinki-Vantaa
16h 05m
1 stop
SFO12:40 pmSan Francisco
Nov 21
SFO9:40 pmSan Francisco
17h 50m
2 stops
HEL1:30 amHelsinki-Vantaa
$973
Lufthansa
Jul 16
HEL1:50 pmHelsinki-Vantaa
20h 42m
2 stops
SFO12:32 amSan Francisco
Jul 27
SFO9:05 pmSan Francisco
17h 25m
2 stops
HEL12:30 amHelsinki-Vantaa
$983
Lufthansa
Jul 4
HEL6:45 amHelsinki-Vantaa
23h 52m
2 stops
SFO8:37 pmSan Francisco
Jul 8
SFO9:05 pmSan Francisco
18h 30m
1 stop
HEL1:35 amHelsinki-Vantaa
$1,000

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 June 22, 2026.
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

Cheapest round-trip
Quickest round-trip

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 10/12

11:15 am-2:40 pm

1 stop13h 25m

San Francisco

Mon 11/2

4:45 pm-8:20 pm

1 stop17h 35m

$929

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 10/22

8:20 am-4:40 pm

1 stop18h 20m

San Francisco

Thu 11/12

6:35 pm-11:30 am

1 stop30h 55m

$931

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 10/15

11:15 am-2:40 pm

1 stop13h 25m

San Francisco

Tue 11/3

4:45 pm-8:20 pm

1 stop17h 35m

$933

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 10/14

3:00 pm-10:44 pm

2 stops17h 44m

San Francisco

Wed 11/4

6:00 am-12:55 pm

2 stops20h 55m

$934

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 10/12

9:05 pm-2:40 pm

1 stop27h 35m

San Francisco

Mon 11/2

4:45 pm-8:20 pm

2 stops17h 35m

$941

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 7/13

6:55 am-10:51 pm

2 stops25h 56m

San Francisco

Tue 7/21

1:55 pm-12:20 am

2 stops24h 25m

$945

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 7/16

6:35 am-9:18 pm

2 stops24h 43m

San Francisco

Mon 7/27

1:55 pm-12:30 am

1 stop24h 35m

$947

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sun 10/11

9:05 pm-2:40 pm

1 stop27h 35m

San Francisco

Mon 11/2

4:45 pm-8:20 pm

1 stop17h 35m

$950

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 7/23

6:35 am-7:28 pm

2 stops22h 53m

San Francisco

Tue 8/11

11:14 pm-6:55 pm

2 stops33h 41m

$953

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 10/13

7:00 am-4:02 pm

2 stops19h 02m

San Francisco

Wed 11/4

11:30 am-4:40 pm

2 stops19h 10m

$957

Flights are sorted by cheapest round-trip flights first.

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

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 November is also cheap. Prices for this month can be found on momondo for an average of $808.

How far in advance should I book a flight from Helsinki 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 $930 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 June 2026, prices for Helsinki to San Francisco flights are approximately 25% 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

Fastest flight time

21h 58m

Direct flights

None
The fastest flight from Helsinki to San Francisco takes 21h 58m
There are no direct flights from Helsinki to San Francisco. There are no popular flight routes from Helsinki to San Francisco.
Search flight deals

Frequently asked questions about flying from Helsinki to San Francisco

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

    San Francisco is 5415.9 mi away from Helsinki-Vantaa. Flights usually cover this in 21h 58m, 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 $682Free CancellationRating
7.4
1,846 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $868Free CancellationRating
6.8
8,086 reviews
Search Lufthansa 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
Bodega Bay
Sonoma
Fremont
Hayward
Roseville
South San Francisco
Walnut Creek
Berkeley
Santa Clara
Vallejo
Salinas
Sunnyvale
Big Sur
Daly City
Burlingame
Milpitas
Turlock

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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1 adult
Wed 7/22
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