Seattle, United States to Porto, Portugal for only $478 USD roundtrip
Fly cheap from Seattle, United States to Porto, Portugal for only $478 USD roundtrip.
December 23, 2025
BOOK ON GOOGLE FLIGHTS
⚠️ Heads up: Deals typically expire within 2 to 3 days after they are sent. Prices may also increase slightly after 30 minutes, so act quickly!
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Deal Details
How To Book
Travel Dates
| From Date | To Date |
|---|---|
| March 10, 2026 | March 19, 2026 |
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