Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 9 hours agoDecember 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Sunday, December 27th, 2026
6 round-trip options
Returning
Sat, Jan 2, 2027•6 Day Trip
$1,487 USD
Returning
Mon, Jan 4, 2027•8 Day Trip
$1,234 USD
Returning
Tue, Jan 5, 2027•9 Day Trip
$1,184 USD
Returning
Thu, Jan 7, 2027•11 Day Trip
$991 USD
Returning
Sat, Jan 9, 2027•13 Day Trip
$981 USD
Returning
Sun, Jan 10, 2027•14 Day Trip
$971 USD