Cheap Flights from Philadelphia to Douro Valley

View €554 flight on Sat, 6 Sep 2025Opens in a new window

Popular airlines from Philadelphia to Douro Valley

  • Air Canada

    Air Canada

  • Iberia

    Iberia

  • Swiss International Air Lines

    Swiss International Air Lines

  • TAP Portugal

    TAP Portugal

  • British Airways

    British Airways

  • Lufthansa

    Lufthansa

  • United

    United

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Cheap flights from Philadelphia to Douro Valley (ILG-OPO)

Prices were available within the past 7 days and start at €554 for one-way flights and €812 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 6 Sep - Sat, 13 Sep
PHL
Philadelphia
OPO
Porto
€812 Return, found 2 hours ago
€812
Return
found 2 hours ago
Select United flight, departing Sat, 6 Sep from Philadelphia to Porto, returning Sat, 13 Sep, priced at €812 found 2 hours ago
Air Canada
Sat, 6 Sep - Sat, 13 Sep
PHL
Philadelphia
OPO
Porto
€841 Return, found 2 hours ago
€841
Return
found 2 hours ago
Select Air Canada flight, departing Sat, 6 Sep from Philadelphia to Porto, returning Sat, 13 Sep, priced at €841 found 2 hours ago
TAP Portugal
Sat, 6 Sep - Sat, 13 Sep
PHL
Philadelphia
OPO
Porto
€846 Return, found 2 hours ago
€846
Return
found 2 hours ago
Select TAP Portugal flight, departing Sat, 6 Sep from Philadelphia to Porto, returning Sat, 13 Sep, priced at €846 found 2 hours ago
Iberia
Sat, 6 Sep - Sat, 13 Sep
PHL
Philadelphia
OPO
Porto
€865 Return, found 2 hours ago
€865
Return
found 2 hours ago
Select Iberia flight, departing Sat, 6 Sep from Philadelphia to Porto, returning Sat, 13 Sep, priced at €865 found 2 hours ago
TAP Portugal
Sat, 6 Sep - Sat, 13 Sep
PHL
Philadelphia
OPO
Porto
€866 Return, found 2 hours ago
€866
Return
found 2 hours ago
Select TAP Portugal flight, departing Sat, 6 Sep from Philadelphia to Porto, returning Sat, 13 Sep, priced at €866 found 2 hours ago
Delta
Sat, 6 Sep - Sat, 13 Sep
PHL
Philadelphia
OPO
Porto
€919 Return, found 2 hours ago
€919
Return
found 2 hours ago
Select Delta flight, departing Sat, 6 Sep from Philadelphia to Porto, returning Sat, 13 Sep, priced at €919 found 2 hours ago
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