The best replacement for korean air is asiana.

The best alternatives to korean air are rated as following:
★★★★★  asiana
★★★  cathay pacific
★★  singapore airlines
★★  ana
★★  asiana airlines
★★  china airlines
★  air koryo
★  air china
★  singapore air
★  eva air
★  japan airlines
★  asiana air
  china air
  air canada
  philippine airlines
  jal
  china southern
  asiana better

Your alternative for korean air is not listed? Suggest!
Speaking about korean air, one probably shouldn't forget about skymiles.

Other search terms related to korean air and their ratings are:
★★★★★ skymiles
You have in mind a companion for korean air and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of korean air in all years. Click on graph for more.
korean air
asiana
cathay pacific