Cheapest return flights from Washington to Helsinki in March from $364

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

Return flights

16 Mar - 24 Mar Icelandair
20 Mar - 28 Mar Icelandair
09 Mar - 16 Mar Scandinavian Airlines
29 Mar - 09 Apr Lufthansa
15 Mar - 23 Mar Icelandair
10 Mar - 13 Mar Turkish Airlines
28 Mar - 05 Apr British Airways

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

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