Cheap flights from Helsinki to San Francisco from $364
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 9/1. 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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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 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 $774.
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.
What is the cheapest Helsinki-Vantaa to San Francisco flight route?
Fly from Helsinki-Vantaa to San Francisco for the best Helsinki-Vantaa - San Francisco flight prices
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 16 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $848 when searching 16 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 $755 on momondo.
What cabin class options are available on Helsinki-Vantaa to San Francisco flights?
There are 1 cabin classes available to choose from on Helsinki-Vantaa to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Helsinki-Vantaa to San Francisco?
KLM, Delta, and Iberia are the most popular carriers operating from Helsinki-Vantaa to San Francisco
What airlines fly to San Francisco?
Scandinavian Airlines, Lufthansa and American Airlines are the top three most popular airlines that fly to San Francisco from Helsinki according to our data. Scandinavian Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 4 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
When to book flights from Helsinki to San Francisco
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
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 13h 55m, 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?
As of June 2025, there are 4 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Helsinki to San Francisco is Scandinavian Airlines (30% of total bookings). The next most popular airlines are Lufthansa (28%), American Airlines (26%), and United Airlines (16%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $683 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom $715 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $768 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $867 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy 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.