Flights from Porto to Seattle from € 734*

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Porto (OPO) to Seattle (SEA)

Jun 2025
From€ 945*
Viewed: 13 hours ago
RoundTrip|Economy
Jul 2025
From€ 1.061*
Viewed: 13 hours ago
RoundTrip|Economy
Aug 2025
From€ 741*
Viewed: 13 hours ago
RoundTrip|Economy
€ 741
Displaying fares for June-2025
19

Th

JUN

17

Th

29

Fr

11

Th

01

We

OCT

01

Sa

NOV

01

Mo

DEC

01

Th

JAN

01

Su

FEB

01

Su

MAR

01

We

APR

01

Fr

MAY

Range€ 741-€ 1.061

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.