$471 Cheap United flights Buffalo (BUF) to Porto (OPO)

$471 Cheap United flights Buffalo (BUF) to Porto (OPO)

Prices were available within the past 7 days and start at $471 for one-way flights and $618 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Feb 2 - Tue, Feb 10

BUF

Buffalo

OPO

Porto

$618 Roundtrip, found 3 days ago

$618

Roundtrip

found 3 days ago

Select United flight, departing Mon, Feb 2 from Buffalo to Porto, returning Tue, Feb 10, priced at $618 found 3 days ago

Sun, Feb 1 - Sun, Feb 8

BUF

Buffalo

OPO

Porto

$668 Roundtrip, found 3 days ago

$668

Roundtrip

found 3 days ago

Select United flight, departing Sun, Feb 1 from Buffalo to Porto, returning Sun, Feb 8, priced at $668 found 3 days ago

Sun, Feb 1 - Sun, Feb 8

BUF

Buffalo

OPO

Porto

$698 Roundtrip, found 3 days ago

$698

Roundtrip

found 3 days ago

Select United flight, departing Sun, Feb 1 from Buffalo to Porto, returning Sun, Feb 8, priced at $698 found 3 days ago

Sun, Feb 1 - Sun, Feb 8

BUF

Buffalo

OPO

Porto

$706 Roundtrip, found 3 days ago

$706

Roundtrip

found 3 days ago

Select United flight, departing Sun, Feb 1 from Buffalo to Porto, returning Sun, Feb 8, priced at $706 found 3 days ago

Thu, Jan 29 - Sat, Feb 7

BUF

Buffalo

OPO

Porto

$718 Roundtrip, found 3 days ago

$718

Roundtrip

found 3 days ago

Select United flight, departing Thu, Jan 29 from Buffalo to Porto, returning Sat, Feb 7, priced at $718 found 3 days ago

Sun, Feb 1 - Sun, Feb 8

BUF

Buffalo

OPO

Porto

$753 Roundtrip, found 3 days ago

$753

Roundtrip

found 3 days ago

Select United flight, departing Sun, Feb 1 from Buffalo to Porto, returning Sun, Feb 8, priced at $753 found 3 days ago

Sun, Feb 1 - Sun, Feb 8

BUF

Buffalo

OPO

Porto

$791 Roundtrip, found 3 days ago

$791

Roundtrip

found 3 days ago

Select United flight, departing Sun, Feb 1 from Buffalo to Porto, returning Sun, Feb 8, priced at $791 found 3 days ago

Sun, Feb 1 - Sun, Feb 8

BUF

Buffalo

OPO

Porto

$856 Roundtrip, found 3 days ago

$856

Roundtrip

found 3 days ago

Select United flight, departing Sun, Feb 1 from Buffalo to Porto, returning Sun, Feb 8, priced at $856 found 3 days ago