ZSC Lions were the defending Swiss national champions, however missed the playoffs altogether.
SC Bern won the regular season for a third consecutive year, and went on to defeat regular season runners-up EV Zug in the playoff finals 4–1 to claim their 16th Swiss championship, and third in four years.
The following goaltenders led the league in goals against average, provided that they have played at least 40% of their team's minutes, at the conclusion of the regular season.
[3] HC Davos 4–1 SC Rapperswil-Jona Lakers (3–2, 5–3, 2–3, 5–3, 3–1) [4] 2018–19 Swiss League champions SC Langenthal's home arena Schoren Halle did not comply with the National League's requirements, and if promoted they would therefore have had to play their home games at an alternative arena.
Initially SC Langenthal announced that they would still play the league qualification despite not intending to gain promotion.