Use the same means to make your travel arrangements while in Brazil as you would anywhere else. If you usually book your airline tickets through a web based travel site such as Expedia or Travelocity, then you can do the same while in Brazil as long as you have Internet access. You should be able to book flights on all international carriers and some that are primarily local to Brazil.
Call the VARIG Brazilian Airlines directly to purchase an airline ticket while in Brazil. This is Brazil's oldest and most established airline having been in operation since 1927 and is its leading airline for both international and domestic flights. Call the airline direct at (800) GO-VARIG or Atlantic Corporate Travel (800) 682-1998. Other options to contact the VARIG Brazilian Airlines can be handled through a travel agency in Brazil.
Book an airline flight while in Brazil with TAM Airlines. Use your Internet access for TAM Airlines at tamairlines.com. It is possible that the website may pull up in Spanish or Portuguese. If so, you can change the language to English by using the tab on the home page of the site. Use this website to book your airline travel from Brazil just as you would through any other airline website in the United States. TAM airlines travels throughout Brazil, so you should have no problems connecting to cities with airport facilities in Brazil.
Contact a travel agent in Brazil to help you with booking your airline flights. Check with your hotel for recommendations or use the Internet to view listings of travel agencies in the various Brazilian cities. Be sure to search for information pertaining to booking airline travel as some of the travel agencies specialize in tours of the Brazilian cities.
