Cheapest return flights from Seattle to Helsinki in July from $1175

Best time to book flights for Seattle (SEA) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Helsinki (HEL) in July 2025 (see full year).

Return flights

31 Jul - 07 Aug Icelandair
10 Jul - 17 Jul Icelandair

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

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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