Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 7 hours agoDecember 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Wednesday, December 30th, 2026
6 round-trip options
Returning
Tue, Jan 5, 2027•6 Day Trip
$1,035 USD
Returning
Thu, Jan 7, 2027•8 Day Trip
$842 USD
Returning
Fri, Jan 8, 2027•9 Day Trip
$832 USD
Returning
Sun, Jan 10, 2027•11 Day Trip
$892 USD
Returning
Tue, Jan 12, 2027•13 Day Trip
$788 USD
Returning
Wed, Jan 13, 2027•14 Day Trip
$788 USD