Cheapest one-way flights from Philadelphia (PHL) to Cancun (CUN), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
08 Sep Frontier Airlines
09 Sep Frontier Airlines
29 Sep Frontier Airlines
23 Sep Frontier Airlines
22 Sep Frontier Airlines
28 Sep United
24 Sep United
25 Sep United
26 Sep United
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deals for return flights from Philadelphia to Cancun in September.

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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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