Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 5 hours agoJune 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Monday, June 29th, 2026
6 round-trip options
Returning
Sat, Jul 4, 2026•5 Day Trip
$1,909 USD
Returning
Mon, Jul 6, 2026•7 Day Trip
$1,622 USD
Returning
Tue, Jul 7, 2026•8 Day Trip
$1,622 USD
Returning
Thu, Jul 9, 2026•10 Day Trip
$3,553 USD
Returning
Sun, Jul 12, 2026•13 Day Trip
$3,623 USD
Returning
Mon, Jul 13, 2026•14 Day Trip
$3,553 USD