Cheapest return flights from Philadelphia (PHL) to Lisbon (LIS)

Cheapest month: February 2027, from $ 626. Book in one tap, or open a month for every date.

All destinations from Philadelphia (PHL)

One-wayReturn

  • October 2026

    23–30 Oct 7 nights
    $ 877 return
    Frontier Airlines
    Price seen 10 Oct
    October dates

  • November 2026

    29 Nov – 6 Dec 7 nights
    $ 784 return
    Aer Lingus
    Price seen 9 Oct
    November dates

  • December 2026

    3–13 Dec 10 nights
    $ 841 return
    Direct Iberia
    Price seen 10 Oct
    December dates

  • February 2027

    1–9 Feb 2027 8 nights
    $ 626 return Cheapest month
    Frontier Airlines
    Price seen 10 Oct
    February dates

  • April 2027

    22 Apr – 13 May 2027 21 nights
    $ 935 return
    Direct Iberia
    Price seen 9 Oct
    April dates

  • July 2027

    20 Jul – 3 Aug 2027 14 nights
    $ 1,180 return
    TAP
    Price seen 10 Oct
    July dates
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Updated Oct 10, 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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