Portland, Oregon to Lisbon, Portugal for only $487 roundtrip

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Cheap flights from Portland, Oregon to Lisbon, Portugal for only $487 roundtrip with Delta Air Lines and KLM.

The example dates listed below range between $487 and $497 roundtrip.

DEPART:
Portland, USA

ARRIVE:
Lisbon, Portugal

RETURN:
Portland, USA

DATES:
Availability from January to March 2026

Example dates:
28th Jan – 5th Feb
4th-11th Feb
4th-13th Feb
8th-17th Feb
11th-20th Feb
18th-25th Feb
18th-27th Feb
22nd Feb – 3rd Mar
24th Feb – 3rd Mar
24th Feb – 5th Mar
25th Feb – 4th Mar
25th Feb – 5th Mar
25th Feb – 6th Mar
3rd-10th Mar
3rd-11th Mar
3rd-12th Mar

and more…

STOPS:
New York/Amsterdam

AIRLINES:
Delta Air Lines
KLM