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
Tuesday, December 29th, 2026
6 round-trip options
Returning
Mon, Jan 4, 2027•6 Day Trip
$1,084 USD
Returning
Wed, Jan 6, 2027•8 Day Trip
$842 USD
Returning
Thu, Jan 7, 2027•9 Day Trip
$842 USD
Returning
Sat, Jan 9, 2027•11 Day Trip
$902 USD
Returning
Mon, Jan 11, 2027•13 Day Trip
$892 USD
Returning
Tue, Jan 12, 2027•14 Day Trip
$788 USD