$355 Cheap Swiss International Air Lines flights Boston (BOS) to Porto (OPO)

$355 Cheap Swiss International Air Lines flights Boston (BOS) to Porto (OPO)

Prices were available within the past 7 days and start at $355 for one-way flights and $384 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jan 20 - Tue, Feb 17

BOS

Boston

OPO

Porto

$384 Roundtrip, found 1 day ago

$384

Roundtrip

found 1 day ago

Select Swiss International Air Lines flight, departing Tue, Jan 20 from Boston to Porto, returning Tue, Feb 17, priced at $384 found 1 day ago

Tue, Jan 20 - Tue, Feb 17

BOS

Boston

OPO

Porto

$396 Roundtrip, found 1 day ago

$396

Roundtrip

found 1 day ago

Select Swiss International Air Lines flight, departing Tue, Jan 20 from Boston to Porto, returning Tue, Feb 17, priced at $396 found 1 day ago