Cheapest return flights from Philadelphia (PHL) to Santiago (STI)

Cheapest month: November 2026, from $ 471. Book in one tap, or open a month for every date.

All destinations from Philadelphia (PHL)

One-wayReturn

  • October 2026

    30 Oct – 14 Nov 15 nights
    $ 590 return
    Direct American Airlines
    Price seen 21 Oct
    October dates

  • November 2026

    17 Nov – 1 Dec 14 nights
    $ 471 return Cheapest month
    Frontier Airlines
    Price seen 20 Oct
    November dates

  • December 2026

    2 Dec – 12 Jan 2027 41 nights
    $ 517 return
    American Airlines
    Price seen 20 Oct
    December dates

  • February 2027

    4–9 Feb 2027 5 nights
    $ 509 return
    Direct American Airlines
    Price seen 20 Oct
    February dates

  • July 2027

    8–16 Jul 2027 8 nights
    $ 523 return
    American Airlines
    Price seen 20 Oct
    July dates
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Updated Oct 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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