Cheap flights from Philadelphia to Serra da Estrela

View AU$519 flight on Tue, 24 Mar. 2026Opens in a new window

Popular airlines from Philadelphia to Serra da Estrela

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Philadelphia (ILG) to Serra da Estrela (OPO)

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

United
Tue, 24 Mar. - Tue, 31 Mar.
PHL
Philadelphia
LIS
Lisbon
AU$1,011 Return, found 4 days ago
AU$1,011
Return
found 4 days ago
Select United flight, departing Tue, 24 Mar. from Philadelphia to Lisbon, returning Tue, 31 Mar., priced at AU$1,011 found 4 days ago
Virgin Atlantic
Tue, 24 Mar. - Tue, 31 Mar.
PHL
Philadelphia
LIS
Lisbon
AU$1,029 Return, found 4 days ago
AU$1,029
Return
found 4 days ago
Select Virgin Atlantic flight, departing Tue, 24 Mar. from Philadelphia to Lisbon, returning Tue, 31 Mar., priced at AU$1,029 found 4 days ago
Air Canada
Tue, 24 Mar. - Tue, 31 Mar.
PHL
Philadelphia
LIS
Lisbon
AU$1,031 Return, found 4 days ago
AU$1,031
Return
found 4 days ago
Select Air Canada flight, departing Tue, 24 Mar. from Philadelphia to Lisbon, returning Tue, 31 Mar., priced at AU$1,031 found 4 days ago
TAP Portugal
Tue, 24 Mar. - Tue, 31 Mar.
PHL
Philadelphia
LIS
Lisbon
AU$1,044 Return, found 4 days ago
AU$1,044
Return
found 4 days ago
Select TAP Portugal flight, departing Tue, 24 Mar. from Philadelphia to Lisbon, returning Tue, 31 Mar., priced at AU$1,044 found 4 days ago
Lufthansa
Tue, 24 Mar. - Tue, 31 Mar.
PHL
Philadelphia
LIS
Lisbon
AU$1,082 Return, found 4 days ago
AU$1,082
Return
found 4 days ago
Select Lufthansa flight, departing Tue, 24 Mar. from Philadelphia to Lisbon, returning Tue, 31 Mar., priced at AU$1,082 found 4 days ago
Aer Lingus
Mon, 1 Sep. - Tue, 9 Sep.
PHL
Philadelphia
LIS
Lisbon
AU$1,098 Return, found 3 days ago
AU$1,098
Return
found 3 days ago
Select Aer Lingus flight, departing Mon, 1 Sep. from Philadelphia to Lisbon, returning Tue, 9 Sep., priced at AU$1,098 found 3 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Lisbon (LIS)

November is typically the cheapest month to fly

From AU$702 - AU$1,859 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.