Flights from Seattle to Helsinki

Cheapest flights from Seattle

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Aug 10 - Tue, Aug 19

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$607 Roundtrip, found 20 hours ago

$607

Roundtrip

found 20 hours ago

Select Scandinavian Airlines flight, departing Sun, Aug 10 from Seattle - Tacoma Intl. to Vantaa, returning Tue, Aug 19, priced at $607 found 20 hours ago

Sun, Aug 10 - Thu, Aug 21

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$657 Roundtrip, found 20 hours ago

$657

Roundtrip

found 20 hours ago

Select Scandinavian Airlines flight, departing Sun, Aug 10 from Seattle - Tacoma Intl. to Vantaa, returning Thu, Aug 21, priced at $657 found 20 hours ago

Thu, Jul 24 - Wed, Jul 30

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$668 Roundtrip, found 21 hours ago

$668

Roundtrip

found 21 hours ago

Select Turkish Airlines flight, departing Thu, Jul 24 from Seattle - Tacoma Intl. to Vantaa, returning Wed, Jul 30, priced at $668 found 21 hours ago

Fri, Aug 15 - Tue, Aug 19

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$680 Roundtrip, found 20 hours ago

$680

Roundtrip

found 20 hours ago

Select Scandinavian Airlines flight, departing Fri, Aug 15 from Seattle - Tacoma Intl. to Vantaa, returning Tue, Aug 19, priced at $680 found 20 hours ago

Sun, Aug 10 - Wed, Aug 20

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$707 Roundtrip, found 20 hours ago

$707

Roundtrip

found 20 hours ago

Select Scandinavian Airlines flight, departing Sun, Aug 10 from Seattle - Tacoma Intl. to Vantaa, returning Wed, Aug 20, priced at $707 found 20 hours ago

Mon, Aug 11 - Sat, Aug 16

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$712 Roundtrip, found 20 hours ago

$712

Roundtrip

found 20 hours ago

Select Icelandair flight, departing Mon, Aug 11 from Seattle - Tacoma Intl. to Vantaa, returning Sat, Aug 16, priced at $712 found 20 hours ago

Fri, Aug 15 - Thu, Aug 21

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$730 Roundtrip, found 20 hours ago

$730

Roundtrip

found 20 hours ago

Select Scandinavian Airlines flight, departing Fri, Aug 15 from Seattle - Tacoma Intl. to Vantaa, returning Thu, Aug 21, priced at $730 found 20 hours ago

Sat, Aug 9 - Tue, Aug 19

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$737 Roundtrip, found 20 hours ago

$737

Roundtrip

found 20 hours ago

Select Scandinavian Airlines flight, departing Sat, Aug 9 from Seattle - Tacoma Intl. to Vantaa, returning Tue, Aug 19, priced at $737 found 20 hours ago

Sat, Aug 9 - Mon, Aug 18

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$748 Roundtrip, found 20 hours ago

$748

Roundtrip

found 20 hours ago

Select Turkish Airlines flight, departing Sat, Aug 9 from Seattle - Tacoma Intl. to Vantaa, returning Mon, Aug 18, priced at $748 found 20 hours ago

Thu, Aug 14 - Fri, Aug 22

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$931 Roundtrip, found 20 hours ago

$931

Roundtrip

found 20 hours ago

Select Air Canada flight, departing Thu, Aug 14 from Seattle - Tacoma Intl. to Vantaa, returning Fri, Aug 22, priced at $931 found 20 hours ago

Tue, Aug 12 - Tue, Aug 19

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$1,033 Roundtrip, found 19 hours ago

$1,033

Roundtrip

found 19 hours ago

Select American Airlines flight, departing Tue, Aug 12 from Seattle - Tacoma Intl. to Vantaa, returning Tue, Aug 19, priced at $1,033 found 19 hours ago

Mon, Jul 21 - Sun, Jul 27

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$1,133 Roundtrip, found 21 hours ago

$1,133

Roundtrip

found 21 hours ago

Select KLM flight, departing Mon, Jul 21 from Seattle - Tacoma Intl. to Vantaa, returning Sun, Jul 27, priced at $1,133 found 21 hours ago

Tue, Aug 12 - Tue, Aug 19

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$1,150 Roundtrip, found 19 hours ago

$1,150

Roundtrip

found 19 hours ago

Select United flight, departing Tue, Aug 12 from Seattle - Tacoma Intl. to Vantaa, returning Tue, Aug 19, priced at $1,150 found 19 hours ago

Tue, Aug 12 - Tue, Aug 19

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$1,163 Roundtrip, found 19 hours ago

$1,163

Roundtrip

found 19 hours ago

Select Air France flight, departing Tue, Aug 12 from Seattle - Tacoma Intl. to Vantaa, returning Tue, Aug 19, priced at $1,163 found 19 hours ago

Mon, Jul 21 - Mon, Jul 28

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$1,201 Roundtrip, found 21 hours ago

$1,201

Roundtrip

found 21 hours ago

Select American Airlines flight, departing Mon, Jul 21 from Seattle - Tacoma Intl. to Vantaa, returning Mon, Jul 28, priced at $1,201 found 21 hours ago

Mon, Jul 21 - Mon, Jul 28

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$1,201 Roundtrip, found 21 hours ago

$1,201

Roundtrip

found 21 hours ago

Select British Airways flight, departing Mon, Jul 21 from Seattle - Tacoma Intl. to Vantaa, returning Mon, Jul 28, priced at $1,201 found 21 hours ago

Tue, Aug 12 - Tue, Aug 19

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$1,273 Roundtrip, found 19 hours ago

$1,273

Roundtrip

found 19 hours ago

Select Lufthansa flight, departing Tue, Aug 12 from Seattle - Tacoma Intl. to Vantaa, returning Tue, Aug 19, priced at $1,273 found 19 hours ago

Tue, Aug 12 - Tue, Aug 19

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$1,354 Roundtrip, found 19 hours ago

$1,354

Roundtrip

found 19 hours ago

Select Finnair flight, departing Tue, Aug 12 from Seattle - Tacoma Intl. to Vantaa, returning Tue, Aug 19, priced at $1,354 found 19 hours ago

Mon, Jul 21 - Mon, Jul 28

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$1,429 Roundtrip, found 21 hours ago

$1,429

Roundtrip

found 21 hours ago

Select Iberia flight, departing Mon, Jul 21 from Seattle - Tacoma Intl. to Vantaa, returning Mon, Jul 28, priced at $1,429 found 21 hours ago

Mon, Jul 21 - Mon, Jul 28

SEA

Seattle - Tacoma Intl.

HEL

Vantaa

$1,501 Roundtrip, found 21 hours ago

$1,501

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Mon, Jul 21 from Seattle - Tacoma Intl. to Vantaa, returning Mon, Jul 28, priced at $1,501 found 21 hours ago