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

AAAmerican Airlines

AYFinnair

Round Trip•Economy

PDX

Portland International Airport

Portland, United States

HEL

Helsinki Airport

Helsinki, Finland

$834 USD

-48%$432 USD

Verified Sep 19, 2025 at 6:34 PM

September 2025

Today

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Tue

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20$1,610 21$1,344 22$1,381 23$985 24$4,235 25$1,423 26$1,381 27$2,015 28$1,526 29$1,491 30$789 1$1,203 2$1,168 3$980 4$1,040 5$927

Rare Availability

8% 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

$4,464 USD

Google Flights

Returning

Thu, Oct 2, 2025•7 Day Trip

$9,558 USD

Google Flights

Returning

Fri, Oct 3, 2025•8 Day Trip

$4,418 USD

Google Flights

Returning

Sat, Oct 4, 2025•9 Day Trip

$1,506 USD

Google Flights

Returning

Sun, Oct 5, 2025•10 Day Trip

$1,615 USD

Google Flights

Returning

Mon, Oct 6, 2025•11 Day Trip

$1,527 USD

Google Flights

Returning

Tue, Oct 7, 2025•12 Day Trip

$1,579 USD

Google Flights

Returning

Wed, Oct 8, 2025•13 Day Trip

$1,588 USD

Google Flights

Returning

Thu, Oct 9, 2025•14 Day Trip

$1,423 USD

Google Flights