Flights from Seattle to Helsinki from US$ 679.99

Flights from Seattle (SEA) to Helsinki (HEL) show the lowest fares in November. Lower prices also occur from late October through early December, outside the main summer and holiday periods. Within these months, departures on Tuesday and Wednesday are cheaper than Sunday departures, which rank among the most expensive days of the week on this route.

Flights from Seattle (SEA) to Helsinki (HEL) require a connection via Frankfurt (FRA). The flight takes about 10 hours from Seattle to Frankfurt and about 2 hours 30 minutes from Frankfurt to Helsinki.

On Condor’s long-haul flight from Seattle (SEA) to Frankfurt (FRA), operated with an Airbus A330-900neo, Economy Class passengers receive a complimentary Taste the World Menu plus a snack, with soft and hot drinks included. Premium Economy passengers are served the Classic Premium Menu with upgraded meals and a complimentary selection of alcoholic and non-alcoholic drinks throughout the flight. Business Class passengers enjoy Taste the World Gourmet Menu dining with multi-course meals, a welcome drink and a broad range of included beverages. Onboard amenities and services on the connecting flight from Frankfurt to Helsinki (HEL) follow the European short- and medium-haul concept and may differ from the long-haul flight.

On Condor’s long-haul flight from Seattle (SEA) to Frankfurt (FRA), operated with an Airbus A330-900neo, Business Class provides a lie‑flat seat with 180° recline and a bed length of about 6 ft 6 in, direct aisle access from every seat and a large 4K personal screen. Business Class passengers also receive an enhanced baggage allowance, including two checked bags of 32 kg each on routes between the United States and Europe, increased cabin baggage up to 16 kg and one piece of sports equipment up to 30 kg with registration. Ground services include lounge access at participating airports, priority check‑in, boarding and baggage handling, and late-night check‑in at many German airports. On board, Business Class includes Taste the World Gourmet Menu dining, an extensive selection of alcoholic and non-alcoholic drinks, a high-quality amenity kit and premium entertainment with noise‑cancelling headphones. Onboard amenities and services on the connecting flight from Frankfurt to Helsinki (HEL) follow the short- and medium-haul concept and differ from the long-haul Business Class experience.

Flights from Seattle (SEA) to Helsinki (HEL) with Condor operate with a connection via Frankfurt (FRA). In the summer season, the long-haul flight from Seattle to Frankfurt and the connecting flight from Frankfurt to Helsinki run on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday, and in the winter season they operate on Monday, Thursday and Saturday.

On Condor’s long-haul flight from Seattle (SEA) to Frankfurt (FRA), operated with an Airbus A330-900neo, FlyConnect Wi‑Fi service is offered so passengers can use messaging and internet packages for a fee during the flight. The onboard system also provides wireless access to a wide range of digital entertainment and destination information on personal devices. Internet packages are purchased on board and pricing depends on the selected package. Onboard Wi‑Fi and related services on the connecting flight from Frankfurt to Helsinki (HEL) can differ, as this part of the journey may be operated by a partner airline with its own product.

On Condor’s long-haul flight from Seattle (SEA) to Frankfurt (FRA), operated with an Airbus A330-900neo, extra legroom seats can be reserved in advance as part of the Seat reservation options, including XL seats at the emergency exits. Seat reservations for extra legroom can be made up to 48 hours before departure or during online check‑in, with prices depending on the route and specific seat selected. Passengers in certain fares or cabins receive standard seat reservations included, while XL seats remain a paid upgrade. For safety reasons, emergency exit extra legroom seats are not permitted for infants and children under 14 years, passengers traveling with pets in the cabin, expectant mothers, passengers with reduced mobility or specific medical or size limitations, or passengers who do not speak English or German. Onboard amenities and seating options on the connecting flight from Frankfurt to Helsinki (HEL) may differ, and extra legroom seating on that part of the journey is also subject to reservation rules and safety restrictions.

For flights from Seattle (SEA) to Helsinki (HEL), the lowest booking prices concentrate when tickets are purchased 6 to 8 weeks before departure. The very lowest price levels on this route occur when flights are booked about 13 weeks in advance. Booking significantly closer to departure results in higher fares than bookings made in these advance‑purchase periods.

On Condor flights from Seattle (SEA) to Helsinki (HEL) via Frankfurt (FRA), the long-haul part (operated with an Airbus A330-900neo) of the journey from Seattle to Frankfurt offers three travel classes: Economy Class, Premium Economy Class and Business Class. Economy Class includes standard seating, the Taste the World Menu with a snack and complimentary soft and hot drinks. Premium Economy adds more legroom and recline, a larger personal screen, the Classic Premium Menu with upgraded meals, additional Baggage allowance and an enhanced drinks selection. Business Class provides a fully flat bed, Taste the World Gourmet Menu dining, premium beverages, increased baggage allowances and priority services on the ground. The onward European flight from Frankfurt to Helsinki is operated as a separate short- or medium-haul service, and the offered cabins and service concept on that part of the journey can differ from the long-haul flight.

Pets on flights from Seattle (SEA) to Helsinki (HEL) with Condor are accepted under specific conditions that differ for cabin and checked transport. Small dogs and cats can travel in the cabin if they are transported in a private, watertight and bite‑proof carrier that does not exceed 55 × 40 × 20 cm and a total weight of 8 kg including the animal, and the carrier must remain under the seat for the entire flight; cabin pets are not permitted in long-haul Business class, in exit rows or directly behind bulkheads. Larger animals that cannot travel in the cabin are in principle carried in the aircraft hold in animal‑friendly containers in a ventilated cargo area, but transport of animals in the hold is not allowed on connecting itineraries, so for the Seattle–Helsinki routing via Frankfurt only cabin transport is possible. Pets must be registered at least 48 hours before departure to avoid higher airport fees or possible refusal of transport. For travel to Finland, dogs and cats also require an EU pet passport with documented rabies vaccination, and certain breeds such as listed fighting dogs and snub‑nosed breeds are excluded from transport.