How to say "voyage" in Japanese

• 渡航とこうCommon
  noun, suru verb, intransitive verbCovers 'voyage' as the act of crossing to another country; the crossing itself is in view, not the experience aboard. Typical of talk about travelling abroad, such as whether travel there is allowed.
• 船旅ふなたびCommon
  nounThis is the word for a voyage as a trip by boat: the sea journey itself as an experience, whether a cruise or simply travelling somewhere by ship.
  船旅ふなたびはとても楽たのしい。↗

  Traveling by sea is a lot of fun.
• 一路いちろCommon
  nounReally means a single straight road, or heading straight for a destination; its 'voyage' sense is marginal, and it is seldom the word you want for an actual journey by sea.

For a voyage as a trip by ship use 船旅; for the act of crossing to another country use 渡航; 一路, really 'a straight road', is seldom the right choice for 'voyage'.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 渡航とこうvoyage
• 船旅ふなたびtrip by boat
• 楫枕かじまくらvoyage
• 船路ふなじsea route
• 舟路しゅうろsea route
• 航程こうていdistance covered (by a ship or aircraft)
• 航海こうかい(sea) voyage
• 一路いちろvoyage