Cheapest return flights from Washington to Helsinki in March from $536

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

Return flights

24 Mar - 07 Apr British Airways
24 Mar - 16 Apr British Airways
31 Mar - 08 Apr British Airways
24 Mar - 20 Apr British Airways
31 Mar - 13 Apr British Airways
17 Mar - 24 Mar British Airways
09 Mar - 18 Mar American Airlines
19 Mar - 26 Mar British Airways
18 Mar - 06 Apr British Airways
03 Mar - 10 Mar British Airways
19 Mar - 23 Mar British Airways
05 Mar - 15 Mar British Airways
25 Mar - 01 Apr British Airways
23 Mar - 30 Mar Scandinavian Airlines
05 Mar - 14 Mar British Airways
24 Mar - 11 Apr British Airways
03 Mar - 09 Mar British Airways
08 Mar - 12 Mar Icelandair

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

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