Cheapest return flights from Washington to Helsinki in May from 507€

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

Return flights

03 May - 10 May Scandinavian Airlines
04 May - 11 May Scandinavian Airlines
05 May - 12 May Icelandair
08 May - 15 May Icelandair
11 May - 18 May Scandinavian Airlines
10 May - 17 May Icelandair
13 May - 20 May Icelandair
09 May - 16 May Icelandair
02 May - 09 May Scandinavian Airlines
15 May - 20 May Icelandair
27 May - 03 Jun Scandinavian Airlines
28 May - 04 Jun Scandinavian Airlines
29 May - 05 Jun Scandinavian Airlines
30 May - 06 Jun Scandinavian Airlines
25 May - 01 Jun Scandinavian Airlines
31 May - 07 Jun Icelandair
26 May - 02 Jun United

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

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