PDXPortland International Airport
Portland, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$988 USD
-53%$468 USD
Verified Nov 28, 2025 at 4:21 AMMarch 2026
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Limited Availability
18% of dates checked are available within 10% of the lowest price
Wednesday, March 18th, 2026
10 round-trip options
Returning
Mon, Mar 23, 2026•5 Day Trip
$714 USD
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Tue, Mar 24, 2026•6 Day Trip
$675 USD
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Wed, Mar 25, 2026•7 Day Trip
$664 USD
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Thu, Mar 26, 2026•8 Day Trip
$942 USD
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Fri, Mar 27, 2026•9 Day Trip
$1,241 USD
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Sat, Mar 28, 2026•10 Day Trip
$1,572 USD
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Sun, Mar 29, 2026•11 Day Trip
$1,084 USD
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Mon, Mar 30, 2026•12 Day Trip
$664 USD
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Tue, Mar 31, 2026•13 Day Trip
$664 USD
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Wed, Apr 1, 2026•14 Day Trip
$664 USD