Cheap United flights Colorado Springs (COS) to Porto (OPO)

Cheap United flights Colorado Springs (COS) to Porto (OPO)

Prices were available within the past 7 days and start at for one-way flights and $502 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Feb 20 - Wed, Feb 25

COS

Colorado Springs

OPO

Porto

$502 Roundtrip, found 1 day ago

$502

Roundtrip

found 1 day ago

Select United flight, departing Fri, Feb 20 from Colorado Springs to Porto, returning Wed, Feb 25, priced at $502 found 1 day ago

Tue, Feb 17 - Tue, Feb 24

COS

Colorado Springs

OPO

Porto

$517 Roundtrip, found 1 day ago

$517

Roundtrip

found 1 day ago

Select United flight, departing Tue, Feb 17 from Colorado Springs to Porto, returning Tue, Feb 24, priced at $517 found 1 day ago

Fri, Feb 20 - Mon, Feb 23

COS

Colorado Springs

OPO

Porto

$521 Roundtrip, found 1 day ago

$521

Roundtrip

found 1 day ago

Select United flight, departing Fri, Feb 20 from Colorado Springs to Porto, returning Mon, Feb 23, priced at $521 found 1 day ago

Thu, Feb 19 - Sat, Feb 28

COS

Colorado Springs

OPO

Porto

$702 Roundtrip, found 1 day ago

$702

Roundtrip

found 1 day ago

Select United flight, departing Thu, Feb 19 from Colorado Springs to Porto, returning Sat, Feb 28, priced at $702 found 1 day ago