Portland (PDX) to Lisbon (LIS) flight deal in economy from $745
$970 USD
-23%$745 USD
Verified about 4 hours agoOctober 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Wednesday, October 21st, 2026
7 round-trip options
Returning
Mon, Oct 26, 2026•5 Day Trip
$873 USD
Returning
Tue, Oct 27, 2026•6 Day Trip
$794 USD
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Thu, Oct 29, 2026•8 Day Trip
$788 USD
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Fri, Oct 30, 2026•9 Day Trip
$785 USD
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Mon, Nov 2, 2026•12 Day Trip
$799 USD
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Tue, Nov 3, 2026•13 Day Trip
$758 USD
Returning
Wed, Nov 4, 2026•14 Day Trip
$749 USD