Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 7 hours agoJuly 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Monday, July 20th, 2026
6 round-trip options
Returning
Sat, Jul 25, 2026•5 Day Trip
$1,657 USD
Returning
Mon, Jul 27, 2026•7 Day Trip
$1,156 USD
Returning
Tue, Jul 28, 2026•8 Day Trip
$1,156 USD
Returning
Thu, Jul 30, 2026•10 Day Trip
$1,164 USD
Returning
Sun, Aug 2, 2026•13 Day Trip
$1,226 USD
Returning
Mon, Aug 3, 2026•14 Day Trip
$1,227 USD