Portland (PDX) to Lisbon (LIS) flight deal in economy from $615
$925 USD
-34%$615 USD
Verified about 4 hours agoSeptember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
23% of dates checked are available within 10% of the lowest price
Friday, September 11th, 2026
0 round-trip options
No flight details available for this date.