Cheap United flights Austin (AUS) to Porto (OPO)

Cheap United flights Austin (AUS) to Porto (OPO)

Prices were available within the past 7 days and start at for one-way flights and $789 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jun 5 - Tue, Jun 23

AUS

Austin

OPO

Porto

$789 Roundtrip, found 7 hours ago

$789

Roundtrip

found 7 hours ago

Select United flight, departing Fri, Jun 5 from Austin to Porto, returning Tue, Jun 23, priced at $789 found 7 hours ago

Fri, Jun 5 - Fri, Jun 26

AUS

Austin

OPO

Porto

$791 Roundtrip, found 7 hours ago

$791

Roundtrip

found 7 hours ago

Select United flight, departing Fri, Jun 5 from Austin to Porto, returning Fri, Jun 26, priced at $791 found 7 hours ago

Fri, Jun 12 - Sat, Jun 27

AUS

Austin

OPO

Porto

$791 Roundtrip, found 7 hours ago

$791

Roundtrip

found 7 hours ago

Select United flight, departing Fri, Jun 12 from Austin to Porto, returning Sat, Jun 27, priced at $791 found 7 hours ago

Fri, Jun 12 - Wed, Jul 1

AUS

Austin

OPO

Porto

$798 Roundtrip, found 7 hours ago

$798

Roundtrip

found 7 hours ago

Select United flight, departing Fri, Jun 12 from Austin to Porto, returning Wed, Jul 1, priced at $798 found 7 hours ago

Wed, Jun 3 - Tue, Jun 16

AUS

Austin

OPO

Porto

$802 Roundtrip, found 7 hours ago

$802

Roundtrip

found 7 hours ago

Select United flight, departing Wed, Jun 3 from Austin to Porto, returning Tue, Jun 16, priced at $802 found 7 hours ago