PDXPortland International Airport
Portland, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$1,095 USD
-56%$482 USD
Verified Nov 15, 2025 at 6:40 AMDecember 2025
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
15% of dates checked are available within 10% of the lowest price
Monday, December 29th, 2025
10 round-trip options
Returning
Sat, Jan 3, 2026•5 Day Trip
$2,812 USD
Returning
Sun, Jan 4, 2026•6 Day Trip
$2,528 USD
Returning
Mon, Jan 5, 2026•7 Day Trip
$1,908 USD
Returning
Tue, Jan 6, 2026•8 Day Trip
$1,293 USD
Returning
Wed, Jan 7, 2026•9 Day Trip
$1,154 USD
Returning
Thu, Jan 8, 2026•10 Day Trip
$878 USD
Returning
Fri, Jan 9, 2026•11 Day Trip
$1,119 USD
Returning
Sat, Jan 10, 2026•12 Day Trip
$938 USD
Returning
Sun, Jan 11, 2026•13 Day Trip
$938 USD
Returning
Mon, Jan 12, 2026•14 Day Trip
$745 USD