Fly nonstop from Philly to Cancun for $90 round-trip as part of the current sale from Frontier.
Searching Frontier, we found seats departing PHL on Tuesday, September 15, returning from CUN on Tuesday, September 22.
Other dates are also available for travel through October 1.
See our Fare Details for booking info.
Need a room in Cancun? Here's a look at what's available for the above dates on Hotelwatchdog.