Cheapest return flights from Seattle to Helsinki in March from 610€

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

Return flights

10 Mar - 04 Apr Icelandair
24 Mar - 31 Mar Finnair
10 Mar - 17 Mar Finnair
17 Mar - 24 Mar Finnair
23 Mar - 30 Mar Finnair
22 Mar - 29 Mar Finnair
03 Mar - 10 Mar Finnair
02 Mar - 09 Mar Finnair
16 Mar - 23 Mar Finnair
28 Mar - 04 Apr Finnair
04 Mar - 11 Mar Finnair
05 Mar - 12 Mar Finnair
29 Mar - 05 Apr Finnair
30 Mar - 06 Apr Finnair
31 Mar - 07 Apr Finnair
27 Mar - 03 Apr Finnair
26 Mar - 02 Apr Finnair
25 Mar - 01 Apr Finnair

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

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