Onboard, KLM offers four service classes: Economy, Economy Comfort, Premium Comfort, and Business Class. Want answers to more key questions in aviation? Check out the rest of our guides here.

When you fly KLM, you can upgrade your economy ticket to Europe Business ... Business Class tickets differ from airline to airline in terms of what is included. A seat in Economy Comfort will put you ...

40 upper economy (comfort) and 334 economy. The airplane's name is Yellowstone National Park / Yellowstone National Park. KLM operates 29 Boeing 777-200 and 777-300. KLM is member of SkyTeam ...