Flights to Sintra-Cascais Natural Park from Philadelphia - ￥94,630

View ￥94,630 flight on Fri, Sep 19, 2025Opens in a new window

Popular airlines from Philadelphia to Sintra-Cascais Natural Park

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Finnair

    Finnair

  • British Airways

    British Airways

  • Iberia

    Iberia

  • Lufthansa

    Lufthansa

  • Swiss International Air Lines

    Swiss International Air Lines

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Cheap Flights from Philadelphia to Sintra-Cascais Natural Park (ILG-LIS)

Prices were available within the past 7 days and start at ￥94,630 for one-way flights and ￥161,390 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Sep 19 - Sun, Sep 21
PHL
Philadelphia
LIS
Lisbon
￥161,390 Roundtrip, found 10 hours ago
￥161,390
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Fri, Sep 19 from Philadelphia to Lisbon, returning Sun, Sep 21, priced at ￥161,390 found 10 hours ago
American Airlines
Fri, Sep 19 - Sun, Sep 21
PHL
Philadelphia
LIS
Lisbon
￥162,920 Roundtrip, found 10 hours ago
￥162,920
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Fri, Sep 19 from Philadelphia to Lisbon, returning Sun, Sep 21, priced at ￥162,920 found 10 hours ago
British Airways
Fri, Sep 19 - Sun, Sep 21
PHL
Philadelphia
LIS
Lisbon
￥168,610 Roundtrip, found 10 hours ago
￥168,610
Roundtrip
found 10 hours ago
Select British Airways flight, departing Fri, Sep 19 from Philadelphia to Lisbon, returning Sun, Sep 21, priced at ￥168,610 found 10 hours ago
Finnair
Fri, Sep 19 - Sun, Sep 21
PHL
Philadelphia
LIS
Lisbon
￥172,780 Roundtrip, found 10 hours ago
￥172,780
Roundtrip
found 10 hours ago
Select Finnair flight, departing Fri, Sep 19 from Philadelphia to Lisbon, returning Sun, Sep 21, priced at ￥172,780 found 10 hours ago
Air Canada
Fri, Sep 19 - Sun, Sep 21
PHL
Philadelphia
LIS
Lisbon
￥173,430 Roundtrip, found 10 hours ago
￥173,430
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Fri, Sep 19 from Philadelphia to Lisbon, returning Sun, Sep 21, priced at ￥173,430 found 10 hours ago
United
Fri, Sep 19 - Sun, Sep 21
PHL
Philadelphia
LIS
Lisbon
￥174,420 Roundtrip, found 10 hours ago
￥174,420
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Sep 19 from Philadelphia to Lisbon, returning Sun, Sep 21, priced at ￥174,420 found 10 hours ago

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

November is typically the cheapest month to fly

From ￥68,123 - ￥180,275 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.