Cheap Flights from San Francisco to Helsinki from $247

Frequently Asked Questions

• What are the cheapest flights from San Francisco to Helsinki (SFO-HEL)?

  Based on Trip.com data, United Airlines offers one-way fares as low as $247 on Cheapest nonstop routes (e.g. SFO to HEL on Wed, Mar 25), while Scandinavian Airlines offers Cheapest nonstop round-trips from $444 departing on Tue, Mar 17 and returning on Tue, Mar 24.

• Which airlines offer direct flights from San Francisco to Helsinki?

  At the moment, you can catch a nonstop flight from San Francisco to Helsinki with the following airlines, including: Hawaiian Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from San Francisco to Helsinki?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Helsinki is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from San Francisco to Helsinki?

  To find best deals on flights from San Francisco to Helsinki, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Mar 25, with one-way flights priced at just $247.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Helsinki travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from San Francisco (SFO) to Helsinki (HEL) the cheapest?

  The cheapest months to fly from San Francisco to Helsinki is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from San Francisco to Helsinki on?

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from San Francisco to Helsinki on March 18, 2026 with United Airlines, with prices starting at $246.

• Which airports can I fly to for Helsinki from San Francisco?

  You can land at any one of the following hubs in Helsinki, with San Francisco International Airport to Helsinki Airport (SFO-HEL) is by far the most common option on this route: Helsinki Airport (HEL).

• Is there any time difference between San Francisco and Helsinki?

  The time difference between Helsinki and San Francisco is 10h.

• How do I change or cancel my ticket from San Francisco to Helsinki?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.