$583 Cheap United flights Raleigh (RDU) to Porto (OPO)

View $583 flight on Tue, Apr 14, 2026Opens in a new window

$583 Cheap United flights Raleigh (RDU) to Porto (OPO)

Prices were available within the past 7 days and start at $583 for one-way flights and $748 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Tue, Apr 14 - Tue, Apr 28
RDU
Raleigh
OPO
Porto
$748
Roundtrip
Found 3 days ago
Select United flight, departing Tue, Apr 14 from Raleigh to Porto, returning Tue, Apr 28, priced at $748 Found 3 days ago
United
Tue, Apr 14 - Tue, Apr 28
RDU
Raleigh
OPO
Porto
$752
Roundtrip
Found 3 days ago
Select United flight, departing Tue, Apr 14 from Raleigh to Porto, returning Tue, Apr 28, priced at $752 Found 3 days ago
United
Tue, Apr 14 - Tue, Apr 28
RDU
Raleigh
OPO
Porto
$753
Roundtrip
Found 3 days ago
Select United flight, departing Tue, Apr 14 from Raleigh to Porto, returning Tue, Apr 28, priced at $753 Found 3 days ago
United
Tue, Apr 14 - Tue, Apr 28
RDU
Raleigh
OPO
Porto
$755
Roundtrip
Found 3 days ago
Select United flight, departing Tue, Apr 14 from Raleigh to Porto, returning Tue, Apr 28, priced at $755 Found 3 days ago
United
Tue, Apr 14 - Tue, Apr 28
RDU
Raleigh
OPO
Porto
$756
Roundtrip
Found 3 days ago
Select United flight, departing Tue, Apr 14 from Raleigh to Porto, returning Tue, Apr 28, priced at $756 Found 3 days ago
United
Tue, Apr 14 - Tue, Apr 28
RDU
Raleigh
OPO
Porto
$758
Roundtrip
Found 3 days ago
Select United flight, departing Tue, Apr 14 from Raleigh to Porto, returning Tue, Apr 28, priced at $758 Found 3 days ago
Flights from Raleigh (RDU) to Porto (OPO)
Origin airport
Raleigh - Durham Intl.
Destination airport
Dr. Francisco de Sa Carneiro
Distance
5924 km