Portland (PDX) to Helsinki (HEL) cheap flight deal from $432 USD in economy class

AAAmerican Airlines

AYFinnair

Portland International Airport

Portland, United States

HEL

Helsinki Airport

Helsinki, Finland

$764 USD

-43%$432 USD

Verified Sep 19, 2025 at 6:33 PM

September 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20$1,433 21$1,194 22$1,085 23$977 24$1,161 25$1,088 26$1,196 27$1,270 28$1,054 29$1,063 30$751 1$1,142 2$1,105 3$928 4$988 5$769

Rare Availability

9% of dates checked are available within 10% of the lowest price

Thursday, September 25th, 2025

9 round-trip options

Returning

Wed, Oct 1, 2025•6 Day Trip

$1,635 USD

Google Flights

Returning

Thu, Oct 2, 2025•7 Day Trip

$9,089 USD

Google Flights

Returning

Fri, Oct 3, 2025•8 Day Trip

$4,039 USD

Google Flights

Returning

Sat, Oct 4, 2025•9 Day Trip

$1,088 USD

Google Flights

Returning

Sun, Oct 5, 2025•10 Day Trip

$1,345 USD

Google Flights

Returning

Mon, Oct 6, 2025•11 Day Trip

$1,148 USD

Google Flights

Returning

Tue, Oct 7, 2025•12 Day Trip

$1,305 USD

Google Flights

Returning

Wed, Oct 8, 2025•13 Day Trip

$1,114 USD

Google Flights

Returning

Thu, Oct 9, 2025•14 Day Trip

$1,231 USD

Google Flights