Flights to Algarve from Seattle - $414

View $414 flight on Sun, Mar 22, 2026Opens in a new window

Popular airlines from Seattle to Algarve

  • British Airways

    British Airways

  • Aer Lingus

    Aer Lingus

  • Lufthansa

    Lufthansa

  • Air Canada

    Air Canada

  • TAP Portugal

    TAP Portugal

  • KLM

    KLM

  • United

    United

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Cheap Flights from Seattle to Algarve (SEA-FAO)

Prices were available within the past 7 days and start at $414 for one-way flights and $537 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Fri, Oct 17 - Tue, Oct 21
SEA
Seattle
FAO
Algarve
$537 Roundtrip, found 4 days ago
$537
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Fri, Oct 17 from Seattle to Algarve, returning Tue, Oct 21, priced at $537 found 4 days ago
Aer Lingus
Tue, Oct 14 - Tue, Oct 21
SEA
Seattle
FAO
Algarve
$568 Roundtrip, found 5 days ago
$568
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Tue, Oct 14 from Seattle to Algarve, returning Tue, Oct 21, priced at $568 found 5 days ago
British Airways
Sun, Mar 22 - Mon, Mar 30
SEA
Seattle
FAO
Algarve
$658 Roundtrip, found 1 hour ago
$658
Roundtrip
found 1 hour ago
Select British Airways flight, departing Sun, Mar 22 from Seattle to Algarve, returning Mon, Mar 30, priced at $658 found 1 hour ago
Swiss International Air Lines
Mon, Aug 18 - Wed, Sep 3
SEA
Seattle
FAO
Algarve
$762 Roundtrip, found 6 days ago
$762
Roundtrip
found 6 days ago
Select Swiss International Air Lines flight, departing Mon, Aug 18 from Seattle to Algarve, returning Wed, Sep 3, priced at $762 found 6 days ago
United
Mon, Aug 11 - Wed, Aug 27
SEA
Seattle
FAO
Algarve
$779 Roundtrip, found 4 days ago
$779
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 11 from Seattle to Algarve, returning Wed, Aug 27, priced at $779 found 4 days ago
Lufthansa
Mon, Aug 11 - Wed, Aug 27
SEA
Seattle
FAO
Algarve
$780 Roundtrip, found 6 days ago
$780
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, Aug 11 from Seattle to Algarve, returning Wed, Aug 27, priced at $780 found 6 days ago

Find the cheapest month to fly from Seattle (SEA) to Faro (FAO)

August is typically the cheapest month to fly

From $595 - $1,538 per traveler.

Graph displaying average flight prices per month

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Faro Intl. FAO. Cheapest option available. Flights from $966
FAO
Faro Intl.
Cheapest
Flights from $966
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