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
Friday, July 31st, 2026
6 round-trip options
Returning
Wed, Aug 5, 2026•5 Day Trip
$1,200 USD
Returning
Fri, Aug 7, 2026•7 Day Trip
$1,246 USD
Returning
Sat, Aug 8, 2026•8 Day Trip
$1,261 USD
Returning
Mon, Aug 10, 2026•10 Day Trip
$1,270 USD
Returning
Thu, Aug 13, 2026•13 Day Trip
$1,200 USD
Returning
Fri, Aug 14, 2026•14 Day Trip
$1,200 USD