Seattle / Tacoma (SEA) to Helsinki (HEL) flight deal in economy from $474

Wednesday, December 16th, 2026

9 round-trip options

Returning
Tue, Dec 22, 20266 Day Trip
$937 USD
Returning
Wed, Dec 23, 20267 Day Trip
$1,068 USD
Returning
Thu, Dec 24, 20268 Day Trip
$1,068 USD
Returning
Fri, Dec 25, 20269 Day Trip
$955 USD
Returning
Sat, Dec 26, 202610 Day Trip
$1,338 USD
Returning
Sun, Dec 27, 202611 Day Trip
$1,338 USD
Returning
Mon, Dec 28, 202612 Day Trip
$1,294 USD
Returning
Tue, Dec 29, 202613 Day Trip
$1,133 USD
Returning
Wed, Dec 30, 202614 Day Trip
$1,294 USD