$434 - Flights to Costa Rica from San Francisco

Frontier Airlines is now offering flights to San Jose, Costa Rica, but they aren’t pretty. One-way flights go through DIA airport in Denver, and two way flights often go through both LAX in LA and DIA in Denver.

United, American, Continental, and Taca Airlines also offer flights to Costa Rica.

Between all five airlines, you can usually find roundtrip flights for $434, especially if you can fly Monday-Wednesday.

If you book a flight on the weekend, the price goes up to about $500.