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
Wednesday, July 29th, 2026
6 round-trip options
Returning
Mon, Aug 3, 2026•5 Day Trip
$1,172 USD
Returning
Wed, Aug 5, 2026•7 Day Trip
$968 USD
Returning
Thu, Aug 6, 2026•8 Day Trip
$968 USD
Returning
Sat, Aug 8, 2026•10 Day Trip
$1,029 USD
Returning
Tue, Aug 11, 2026•13 Day Trip
$1,144 USD
Returning
Wed, Aug 12, 2026•14 Day Trip
$1,137 USD