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Cheapest one-way flights from Philadelphia (PHL) to Lisbon (LIS), October

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Dates, airline, and price
Dates	Airline	Price
16 Oct	Frontier Airlines
20 Oct	Frontier Airlines
21 Oct	Frontier Airlines
20 Oct	Iberia Direct Flight
10 Oct	Frontier Airlines
31 Oct	Air Canada
05 Oct	Frontier Airlines
31 Oct	British Airways Direct Flight
05 Oct	Finnair Direct Flight
10 Oct	American Airlines Direct Flight

deals for return flights from Philadelphia to Lisbon in October.

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Updated Jul 21, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Philadelphia (PHL) to Lisbon (LIS), October

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