Cheapest return flights from Seattle to Helsinki in April from 688€

AirHint found the following cheapest return flights from Seattle (SEA) to Helsinki (HEL) in April 2026 (see full year).

Return flights

01 Apr - 08 Apr Finnair
07 Apr - 14 Apr Finnair
06 Apr - 13 Apr Finnair
13 Apr - 20 Apr Finnair
02 Apr - 09 Apr Finnair
09 Apr - 16 Apr Finnair
03 Apr - 10 Apr Finnair
04 Apr - 11 Apr Finnair
08 Apr - 15 Apr Finnair
05 Apr - 12 Apr Finnair

Also check the deals for one-way flights from Seattle to Helsinki in April.

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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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