Flights from Seattle to Alcântara

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.

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$706 Roundtrip, found 2 days ago

$706

Roundtrip

found 2 days ago

Select Scandinavian Airlines flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $706 found 2 days ago

Fri, Sep 19 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$715 Roundtrip, found 2 days ago

$715

Roundtrip

found 2 days ago

Select Scandinavian Airlines flight, departing Fri, Sep 19 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $715 found 2 days ago

Tue, Sep 16 - Tue, Oct 7

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$720 Roundtrip, found 2 days ago

$720

Roundtrip

found 2 days ago

Select Turkish Airlines flight, departing Tue, Sep 16 from Seattle - Tacoma Intl. to Humberto Delgado, returning Tue, Oct 7, priced at $720 found 2 days ago

Sun, Sep 14 - Tue, Oct 7

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$740 Roundtrip, found 2 days ago

$740

Roundtrip

found 2 days ago

Select Turkish Airlines flight, departing Sun, Sep 14 from Seattle - Tacoma Intl. to Humberto Delgado, returning Tue, Oct 7, priced at $740 found 2 days ago

Tue, Sep 16 - Mon, Oct 6

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$760 Roundtrip, found 2 days ago

$760

Roundtrip

found 2 days ago

Select Turkish Airlines flight, departing Tue, Sep 16 from Seattle - Tacoma Intl. to Humberto Delgado, returning Mon, Oct 6, priced at $760 found 2 days ago

Tue, Sep 16 - Sat, Oct 11

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$780 Roundtrip, found 2 days ago

$780

Roundtrip

found 2 days ago

Select Turkish Airlines flight, departing Tue, Sep 16 from Seattle - Tacoma Intl. to Humberto Delgado, returning Sat, Oct 11, priced at $780 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$781 Roundtrip, found 2 days ago

$781

Roundtrip

found 2 days ago

Select United flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $781 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$782 Roundtrip, found 2 days ago

$782

Roundtrip

found 2 days ago

Select British Airways flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $782 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$788 Roundtrip, found 2 days ago

$788

Roundtrip

found 2 days ago

Select United flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $788 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$792 Roundtrip, found 2 days ago

$792

Roundtrip

found 2 days ago

Select United flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $792 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$803 Roundtrip, found 2 days ago

$803

Roundtrip

found 2 days ago

Select Lufthansa flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $803 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$903 Roundtrip, found 2 days ago

$903

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $903 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$929 Roundtrip, found 2 days ago

$929

Roundtrip

found 2 days ago

Select Swiss International Air Lines flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $929 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$946 Roundtrip, found 2 days ago

$946

Roundtrip

found 2 days ago

Select Air Canada flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $946 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$956 Roundtrip, found 2 days ago

$956

Roundtrip

found 2 days ago

Select Air France flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $956 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$1,088 Roundtrip, found 2 days ago

$1,088

Roundtrip

found 2 days ago

Select KLM flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $1,088 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$1,187 Roundtrip, found 2 days ago

$1,187

Roundtrip

found 2 days ago

Select TAP Portugal flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $1,187 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$1,463 Roundtrip, found 2 days ago

$1,463

Roundtrip

found 2 days ago

Select American Airlines flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $1,463 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$1,643 Roundtrip, found 2 days ago

$1,643

Roundtrip

found 2 days ago

Select Iberia flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $1,643 found 2 days ago

Wed, Sep 17 - Wed, Oct 8

SEA

Seattle - Tacoma Intl.

LIS

Humberto Delgado

$1,731 Roundtrip, found 2 days ago

$1,731

Roundtrip

found 2 days ago

Select Finnair flight, departing Wed, Sep 17 from Seattle - Tacoma Intl. to Humberto Delgado, returning Wed, Oct 8, priced at $1,731 found 2 days ago