Alaska Airlines, the fifth largest carrier in North America by passengers carried (partly thanks to its historic mergers and acquisitions of both Virgin America and Hawaiian Airlines, operates a robust network of flights in the United States. Based out of Seattle Tacoma International Airport (SEA), the airline focuses on flights along the West Coast of the USA, and operates to over 100 destinations both domestically and within the Bahamas, Belize, Canada, Costa Rica, Mexico, and Guatemala, and now Japan, with South Korea, Italy, Iceland and the United Kingdom – soon to take off.