Cheapest one-way flights from Seattle to Helsinki in May from 431€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Helsinki (HEL) in May 2026 (see full year).

One-Way flights

12 May Turkish Airlines

Also check the deals for return flights from Seattle to Helsinki in May.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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