$583 Cheap United flights Las Vegas (LAS) to Porto (OPO)

$583 Cheap United flights Las Vegas (LAS) to Porto (OPO)

Prices were available within the past 7 days and start at $583 for one-way flights and $743 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 16 - Tue, Sep 30

LAS

Las Vegas

OPO

Porto

$743 Roundtrip, found 13 hours ago

$743

Roundtrip

found 13 hours ago

Select United flight, departing Tue, Sep 16 from Las Vegas to Porto, returning Tue, Sep 30, priced at $743 found 13 hours ago

Mon, Sep 22 - Thu, Oct 9

LAS

Las Vegas

OPO

Porto

$747 Roundtrip, found 8 hours ago

$747

Roundtrip

found 8 hours ago

Select United flight, departing Mon, Sep 22 from Las Vegas to Porto, returning Thu, Oct 9, priced at $747 found 8 hours ago

Tue, Sep 16 - Wed, Oct 1

LAS

Las Vegas

OPO

Porto

$750 Roundtrip, found 13 hours ago

$750

Roundtrip

found 13 hours ago

Select United flight, departing Tue, Sep 16 from Las Vegas to Porto, returning Wed, Oct 1, priced at $750 found 13 hours ago

Mon, Sep 22 - Thu, Oct 9

LAS

Las Vegas

OPO

Porto

$758 Roundtrip, found 8 hours ago

$758

Roundtrip

found 8 hours ago

Select United flight, departing Mon, Sep 22 from Las Vegas to Porto, returning Thu, Oct 9, priced at $758 found 8 hours ago

Mon, Sep 22 - Thu, Oct 9

LAS

Las Vegas

OPO

Porto

$761 Roundtrip, found 8 hours ago

$761

Roundtrip

found 8 hours ago

Select United flight, departing Mon, Sep 22 from Las Vegas to Porto, returning Thu, Oct 9, priced at $761 found 8 hours ago

Mon, Sep 22 - Thu, Oct 9

LAS

Las Vegas

OPO

Porto

$767 Roundtrip, found 8 hours ago

$767

Roundtrip

found 8 hours ago

Select United flight, departing Mon, Sep 22 from Las Vegas to Porto, returning Thu, Oct 9, priced at $767 found 8 hours ago

Mon, Sep 22 - Thu, Oct 9

LAS

Las Vegas

OPO

Porto

$770 Roundtrip, found 8 hours ago

$770

Roundtrip

found 8 hours ago

Select United flight, departing Mon, Sep 22 from Las Vegas to Porto, returning Thu, Oct 9, priced at $770 found 8 hours ago

Tue, Sep 23 - Sat, Oct 11

LAS

Las Vegas

OPO

Porto

$813 Roundtrip, found 13 hours ago

$813

Roundtrip

found 13 hours ago

Select United flight, departing Tue, Sep 23 from Las Vegas to Porto, returning Sat, Oct 11, priced at $813 found 13 hours ago