Flights to Serra da Estrela from Portland - ￥68,220

View ￥68,220 flight on Sun, Mar 22, 2026Opens in a new window

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Cheap Flights from Portland to Serra da Estrela (PDX-OPO)

Prices were available within the past 7 days and start at ￥68,220 for one-way flights and ￥99,690 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Aug 13 - Thu, Aug 28
PDX
Portland
LIS
Lisbon
￥99,690 Roundtrip, found 1 day ago
￥99,690
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Aug 13 from Portland to Lisbon, returning Thu, Aug 28, priced at ￥99,690 found 1 day ago
Air Canada
Wed, Aug 13 - Thu, Aug 28
PDX
Portland
LIS
Lisbon
￥105,870 Roundtrip, found 1 day ago
￥105,870
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Aug 13 from Portland to Lisbon, returning Thu, Aug 28, priced at ￥105,870 found 1 day ago
Virgin Atlantic
Wed, Aug 13 - Thu, Aug 28
PDX
Portland
LIS
Lisbon
￥108,410 Roundtrip, found 1 day ago
￥108,410
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Wed, Aug 13 from Portland to Lisbon, returning Thu, Aug 28, priced at ￥108,410 found 1 day ago
Lufthansa
Wed, Aug 13 - Thu, Aug 28
PDX
Portland
LIS
Lisbon
￥108,500 Roundtrip, found 1 day ago
￥108,500
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Aug 13 from Portland to Lisbon, returning Thu, Aug 28, priced at ￥108,500 found 1 day ago
Delta
Wed, Aug 13 - Thu, Aug 28
PDX
Portland
LIS
Lisbon
￥116,690 Roundtrip, found 1 day ago
￥116,690
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 13 from Portland to Lisbon, returning Thu, Aug 28, priced at ￥116,690 found 1 day ago
American Airlines
Wed, Aug 13 - Thu, Aug 28
PDX
Portland
LIS
Lisbon
￥127,220 Roundtrip, found 1 day ago
￥127,220
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 13 from Portland to Lisbon, returning Thu, Aug 28, priced at ￥127,220 found 1 day ago

Find the cheapest month to fly from Portland (PDX) to Lisbon (LIS)

February is typically the cheapest month to fly

From ￥72,769 - ￥143,381 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.