$232 Find Cheap Flights from Boston to Helsinki - Compare and Save

Three cabin classes are available on flights from Boston to Helsinki:

• Economy Class
• Premium Economy Class
• Business Class

A nonstop flight from Boston to Helsinki takes 00m, covering 3,923 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Boston to Helsinki range from $458 to $859, with an average of $610 over the past 12 months. Anything below $458 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 43% above the $610 route average. Book 24 weeks before departure for the lowest fares.

One-way fares from Boston to Helsinki are currently lower than usual. Average one-way flight prices are about $361, which is 8% below the typical average for this route.

Helsinki-Vantaa Airport (HEL) hosts 5 major car rental companies, with daily rates starting from around $3 for economy cars. Top options include:

• ADDCAR RENTAL
• GREEN MOTION
• Alamo
• Sixt
• Europcar

Flights from Boston to Helsinki usually depart from Boston Logan Intl (BOS) and arrive at Helsinki-Vantaa (HEL).

One-stop flights from Boston to Helsinki most commonly connect through:

• Reykjavik Keflavik Intl (KEF) - 46% of one-stop connections
• Kastrup Copenhagen (CPH) - 21% of one-stop connections
• Amsterdam Schiphol (AMS) - 16% of one-stop connections
• New York John F Kennedy Intl (JFK) - 11% of one-stop connections

Yes. Flexible dates can save you up to 41% on flights from Boston to Helsinki. Monday is the cheapest departure day at $482 round-trip on average, while Saturday is the most expensive at $807, a difference of $325.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 11h 04m, compared with 12h 14m via Kastrup Copenhagen (CPH) and 12h 32m via New York John F Kennedy Intl (JFK).

Helsinki is 7 hours ahead of Boston (Eastern European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Helsinki are Helsinki Central Station Square, Helsingin päärautatieasema and Esplanadi park. These are among the most viewed places in Helsinki on KAYAK.

If you are flying to Helsinki from Boston with your kids, consider booking flights with Brussels Airlines. The airline provides bassinets for free as long as you book early. Furthermore, the airline also transports pushchairs and foldable buggies free of charge.

Passengers arriving in Helsinki from Boston can get to the city center and other neighborhoods by bus, rail, or taxi. Helsinki Regional Transport Authority operates buses via bus line 600 to significant hotels and Helsinki Central railway station. Commuter rail lines I and P run to Helsinki Central Stations via Huopahlati and Tikkurila. Taxis are outside Terminals 1 and 2.

Passengers with pets can book flights from Boston to Helsinki with JetBlue. JetBlue accepts small dogs and cats in a carrier whose measurements do not exceed 17 x 12.5 x 8.5 inches. The combined weight of the carrier and the pet should be 20 lb at most. Pets constitute your personal item. Helsinki will grant entry to pets with a pet passport and a microchip for identification.

Passengers flying from Boston to Helsinki release 7,945 lb of carbon each. Some eco-savvy airlines flying this route include Scandinavian Airlines, Delta Air Lines, Icelandair, and JetBlue. Scandinavian Airlines' green initiatives include investing in energy-efficient aircraft. Delta has reduced in-flight single-use plastics, Icelandair has embraced sustainable aviation fuels, while JetBlue has electric ground equipment and a recycling program for its in-flight waste.