Portland (PDX) to Helsinki (HEL) flight deal in economy from $442

Friday, September 18th, 2026

9 round-trip options

Returning
Wed, Sep 23, 20265 Day Trip
$1,053 USD
Returning
Thu, Sep 24, 20266 Day Trip
$1,089 USD
Returning
Fri, Sep 25, 20267 Day Trip
$1,138 USD
Returning
Sat, Sep 26, 20268 Day Trip
$1,941 USD
Returning
Mon, Sep 28, 202610 Day Trip
$856 USD
Returning
Tue, Sep 29, 202611 Day Trip
$901 USD
Returning
Wed, Sep 30, 202612 Day Trip
$951 USD
Returning
Thu, Oct 1, 202613 Day Trip
$1,050 USD
Returning
Fri, Oct 2, 202614 Day Trip
$1,080 USD