Cheap flights from Seattle (BFI) to Porto (OPO)

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How to find the cheapest flight from Seattle (BFI) to Porto (OPO)

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How to find the cheapest flight from Seattle (BFI) to Porto (OPO)

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How to find the cheapest flight from Seattle (BFI) to Porto (OPO)

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Cheap flights from Seattle to Porto in November , December 2026

30 Nov - 14 Dec $ 1,309.00

BFI

Seattle

Air Excursions

3 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

Pick dates

30 Nov - 14 Dec $ 1,329.00

BFI

Seattle

Air Excursions

3 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

Pick dates

30 Nov - 14 Dec $ 1,331.00

BFI

Seattle

Air Excursions

3 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

Pick dates

Last minute flights from Seattle to Porto

24 Nov - 02 Dec $ 1,456.00

BFI

Seattle

Air Excursions

3 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

Pick dates

24 Nov - 02 Dec $ 1,503.00

BFI

Seattle

Air Excursions

3 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

Pick dates

24 Nov - 02 Dec $ 1,592.00

BFI

Seattle

Air Excursions

3 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

Pick dates

One-way flights to Porto from Seattle

5:25 AM - 5:00 PM
TAP Portugal

3 Stops

28h 35m
BFI - OPO

$ 633
Kiwi

Pick dates

8:05 AM - 6:00 PM
TAP Portugal

3 Stops

26h 55m
BFI - OPO

$ 654
Kiwi

Pick dates

8:05 AM - 5:00 PM
TAP Portugal

3 Stops

25h 55m
BFI - OPO

$ 655
Kiwi

Pick dates

How to find the cheapest flight from Seattle (BFI) to Porto (OPO)

Related info for your journey

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How to find the cheapest flight from Seattle (BFI) to Porto (OPO)

Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

How to find the cheapest flight from Seattle (BFI) to Porto (OPO)

Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.