往おう復ふく航こう空くう券けんMeaningsNoun1. round trip (airplane) ticketKanji used往go (with the intention to come back)復return to normal航navigation空empty air券ticketComposed of往おう復ふくmaking a round trip; going and returning; coming and going; round-trip ticket; return ticket; correspondence; exchanging (of letters); keeping company (with); socializing; visiting each otherNoun航こう空くう券けんairline ticket; plane ticket; air ticketNoun