Cheapest return flights from Philadelphia to Cancun in September from $390

Best time to book flights for Philadelphia (PHL) to Cancun (CUN) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Cancun (CUN) in September 2025 (see full year).

Return flights

22 Sep - 25 Sep Aeromexico
23 Sep - 26 Sep Aeromexico
30 Sep - 07 Oct Aeromexico
02 Sep - 07 Oct Aeromexico
22 Sep - 25 Sep American Airlines direct
23 Sep - 26 Sep American Airlines direct
30 Sep - 07 Oct American Airlines direct
02 Sep - 07 Oct American Airlines direct
25 Sep - 30 Sep Aeromexico
24 Sep - 27 Sep Aeromexico
06 Sep - 13 Sep jetBlue
25 Sep - 30 Sep American Airlines direct

Also check the deals for one-way flights from Philadelphia to Cancun in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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