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 July , August 2026

27 Jul - 27 Aug $ 1,784.00

BFI

Seattle

Air Excursions

3 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

Pick dates

27 Jul - 27 Aug $ 1,812.00

BFI

Seattle

Air Excursions

3 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

Pick dates

27 Jul - 27 Aug $ 1,858.00

BFI

Seattle

Air Excursions

2 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

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Last minute flights from Seattle to Porto

27 Jul - 02 Aug $ 2,772.00

BFI

Seattle

Air Excursions

3 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

Pick dates

27 Jul - 02 Aug $ 2,845.00

BFI

Seattle

Air Excursions

2 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

Pick dates

27 Jul - 31 Jul $ 3,076.00

BFI

Seattle

Air Excursions

2 STOPS

OPO

Porto

OPO

Porto

Air Excursions

3 STOPS

BFI

Seattle

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One-way flights to Porto from Seattle

8:20 AM - 9:15 PM
TAP Portugal

3 Stops

31h 20m
BFI - OPO

$ 942
Kiwi

Pick dates

8:20 AM - 8:50 PM
easyJet

3 Stops

31h
BFI - OPO

$ 969
Kiwi

Pick dates

8:20 AM - 1:50 PM
TAP Portugal

2 Stops

23h 20m
BFI - OPO

$ 1,015
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.