Cheapest one-way flights from Seattle to Helsinki in July from 443€

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

One-Way flights

31 Jul Icelandair
30 Jul Lufthansa
31 Jul British Airways direct

Also check the deals for return 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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Feel free to contact us with any feedback or request another flight research.