Colombian airline, Avianca is offering steep discounts on airfare to and from Costa Rica but tickets must be purchased by April 14^th, the airline along with the Costa Rican Tourism Institute (ICT) announced on Monday.

This year marks the fifth year for the airline’s “Discover Central America” promotion.

While tickets must be purchased by April 14^th, travel dates can be booked for anytime between May 1^st and December 10^th.

Amongst the promotional fares are London-Costa Rica round-trip from £ 671 (about US $950), and Madrid to Costa Rica round-trip from 568 € (about US $645).

Round-trip from Dallas, Houston, or Miami to Costa Rica are also on offer from US $499; and from Chicago or Washington D.C to Costa Rica from US $529.

There are also special low price fares round-trip from a number of Latin American cities and countries, including Mexico City, Sao Paulo (Brazil), Colombia, Quito (Ecuador), Buenos Aires (Argentina), Peru, Uruguay, Paraguay, and Chile.

Meanwhile, for those wishing to take a vacation from Costa Rica, the airline is offering round-trip flights from Costa Rica to most countries in Central America from US $249, with taxes included.

Amongst the destinations available are Belize, El Salvador, Guatemala, Honduras (including the Caribbean island of Roatán), Panama, Guatemala, and Nicaragua.

The promotional fares can only be purchased on Avianca’s web site, must be purchased by April 14^th and can be used for travel between May 1^st and December 10^th, 2016.