Cheapest return flights from Washington to Helsinki in October from $534

Best time to book flights for Washington (DCA) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Washington (DCA) to Helsinki (HEL) in October 2025 (see full year).

Return flights

16 Oct - 23 Oct Delta
26 Oct - 02 Nov Delta
06 Oct - 13 Oct Delta

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

Skyscanner

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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