BudgetTravel

On the day of your departure, you'll take a 30-minute ferry ride back to Cancún to make it in time for your flight home.

Trip extensions start from $35 per person per night for a double room and $65 for a single at Hotel Kin Mayab in Cancún before the tour; and from $25 per person per night for a double and $50 for a single at Hotel Bucanero on Isla Mujeres after the tour.

Mayan ruins at Chichén Itzá, Mexico (GeoStock/Photodisc)

For more tips on what to do in the area, check the official website of the tourism board of Mexico. For the latest travel alerts, check the U.S. consular information sheet. Also keep an eye on G.A.P's specials page, which offers a 20 percent discount on a list of packages with departure dates within a few weeks. The list of specials changes each week.

Before you go, check the latest exchange rate, the local time, and the weather forecast at BudgetTravel.com.

Getting There According to a recent search on Kayak, the lowest round-trip fares to Cancún for travel May 17 and 26 were: $319 from Miami (multiple carriers), $469 from Houston (Aeromexico), $488 from L.A. (multiple carriers), $501 from Chicago (multiple carriers), $573 from Seattle (multiple carriers), and $623 from New York (Delta).

More on Mexico:

• The Easy, Breezy Riviera Maya

• Eat Like a Local: Cancún

• Seeking Out the Origins of Vanilla in Veracruz

• Discount Airlines in Mexico