For the cheapest flight deals, search and book online. Be sure you are ready to purchase your tickets, however, because airfare prices can change within a matter of hours. We cannot accept pets or service animals on flights to certain destinations, including Jamaica, Barbados, St. Lucia or the Cayman Islands. All search engines have inflated flight costs as part of taking a cut from the airlines.

On all the sites there is a search box and by just a mouse click you can find inexpensive airline tickets for international or domestic flights. Many of the cheap international flights are available directly from the airlines, who offer non published fares not often found for domestic travel.

In addition to the domestic routes offered, Frontier Airlines also offers short haul international flights to some holiday destinations in Mexico such as Cabo San Lucas, Acapulco and Cancun. There is no set of rules …