Fly nonstop from Baltimore to Cancun for $259 round-trip on US Air/American.
Searching AA.com, we found seats for travel over Labor Day, departing BWI on Saturday, September 5, and returning from CUN on Thursday, September 10.
Other dates are also available for travel in August/September.
Visit our Cancun CUN fare listings for a complete look at current deals from all over the US and Canada.
Need a room in Cancun? Here's a look at what's available for the above dates on Hotelwatchdog.