Cheap United flights Las Vegas (LAS) to Porto (OPO)

Cheap United flights Las Vegas (LAS) to Porto (OPO)

Prices were available within the past 7 days and start at for one-way flights and $610 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 24 - Tue, Dec 2

LAS

Las Vegas

OPO

Porto

$610 Roundtrip, found 1 day ago

$610

Roundtrip

found 1 day ago

Select United flight, departing Mon, Nov 24 from Las Vegas to Porto, returning Tue, Dec 2, priced at $610 found 1 day ago

Sat, Nov 22 - Tue, Dec 2

LAS

Las Vegas

OPO

Porto

$617 Roundtrip, found 1 day ago

$617

Roundtrip

found 1 day ago

Select United flight, departing Sat, Nov 22 from Las Vegas to Porto, returning Tue, Dec 2, priced at $617 found 1 day ago

Fri, Nov 21 - Thu, Nov 27

LAS

Las Vegas

OPO

Porto

$760 Roundtrip, found 1 day ago

$760

Roundtrip

found 1 day ago

Select United flight, departing Fri, Nov 21 from Las Vegas to Porto, returning Thu, Nov 27, priced at $760 found 1 day ago

Mon, Nov 24 - Mon, Dec 1

LAS

Las Vegas

OPO

Porto

$764 Roundtrip, found 1 day ago

$764

Roundtrip

found 1 day ago

Select United flight, departing Mon, Nov 24 from Las Vegas to Porto, returning Mon, Dec 1, priced at $764 found 1 day ago

Sat, Nov 22 - Mon, Dec 1

LAS

Las Vegas

OPO

Porto

$770 Roundtrip, found 1 day ago

$770

Roundtrip

found 1 day ago

Select United flight, departing Sat, Nov 22 from Las Vegas to Porto, returning Mon, Dec 1, priced at $770 found 1 day ago

Sun, Nov 23 - Tue, Dec 2

LAS

Las Vegas

OPO

Porto

$776 Roundtrip, found 1 day ago

$776

Roundtrip

found 1 day ago

Select United flight, departing Sun, Nov 23 from Las Vegas to Porto, returning Tue, Dec 2, priced at $776 found 1 day ago

Thu, Nov 20 - Fri, Nov 28

LAS

Las Vegas

OPO

Porto

$888 Roundtrip, found 1 day ago

$888

Roundtrip

found 1 day ago

Select United flight, departing Thu, Nov 20 from Las Vegas to Porto, returning Fri, Nov 28, priced at $888 found 1 day ago

Wed, Nov 26 - Sun, Nov 30

LAS

Las Vegas

OPO

Porto

$900 Roundtrip, found 1 day ago

$900

Roundtrip

found 1 day ago

Select United flight, departing Wed, Nov 26 from Las Vegas to Porto, returning Sun, Nov 30, priced at $900 found 1 day ago

Thu, Nov 20 - Mon, Dec 1

LAS

Las Vegas

OPO

Porto

$904 Roundtrip, found 1 day ago

$904

Roundtrip

found 1 day ago

Select United flight, departing Thu, Nov 20 from Las Vegas to Porto, returning Mon, Dec 1, priced at $904 found 1 day ago

Sun, Nov 23 - Mon, Dec 1

LAS

Las Vegas

OPO

Porto

$909 Roundtrip, found 1 day ago

$909

Roundtrip

found 1 day ago

Select United flight, departing Sun, Nov 23 from Las Vegas to Porto, returning Mon, Dec 1, priced at $909 found 1 day ago

Sun, Nov 23 - Sun, Nov 30

LAS

Las Vegas

OPO

Porto

$1,035 Roundtrip, found 1 day ago

$1,035

Roundtrip

found 1 day ago

Select United flight, departing Sun, Nov 23 from Las Vegas to Porto, returning Sun, Nov 30, priced at $1,035 found 1 day ago

Sun, Nov 23 - Sat, Nov 29

LAS

Las Vegas

OPO

Porto

$1,054 Roundtrip, found 1 day ago

$1,054

Roundtrip

found 1 day ago

Select United flight, departing Sun, Nov 23 from Las Vegas to Porto, returning Sat, Nov 29, priced at $1,054 found 1 day ago