The best price found from United States to Bay Islands is on September 2nd, 2017, travelling with Avianca. See more options, compare prices and book: search flights.
La Ceiba is the gateway city to the Bay Islands, with several direct daily flights to Roatán and Utila. If you fly from San Pedro Sula most flights are via Ceiba as well. Airlines include Avianca, Aerolineas Sosa, CM Airlines and Lahnsa.
American Airlines, Delta and United all have flights to Roatán from the USA; TAG fly in from Guatemala City.