AirHint found the following cheapest return flights from Philadelphia (PHL) to Cancun (CUN) in March 2026 (see full year).

Return flights

02 Mar - 06 Mar	Spirit Airlines
08 Mar - 14 Mar	jetBlue
02 Mar - 06 Mar	American Airlines	direct
29 Mar - 05 Apr	Air Canada
27 Mar - 01 Apr	Air Canada
12 Mar - 17 Mar	American Airlines	direct
23 Mar - 29 Mar	jetBlue
23 Mar - 29 Mar	American Airlines	direct
18 Mar - 22 Mar	jetBlue
12 Mar - 15 Mar	jetBlue
12 Mar - 15 Mar	American Airlines	direct

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

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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Cheapest return flights from Philadelphia to Cancun in March from $333

Return flights