5 Best Airlines in the World in 2023

4. Korean Air

Insider Monkey’s Average Ranking: 4

Ranking 4th on our list of the best airlines in the world is Korean Air, the largest airline in South Korea and the country’s flag carrier. Korean Air is part of SkyTeam and SkyTeam Cargo, being a founding member of both airline alliances. Its primary hubs are Gimpo International Airport and Incheon International Airport. Korean Air has travel routes across 120 cities in 43 countries, and the airline has a fleet of 157 aircrafts.