Swablu evolves at level 35, the same as all of the pokemon games.
Swablu evolves at level 35 into altaria.
Swablu evolved into a Altaria at level 35.
Swablu evolves into Altaria at level 35.lvl 35.
Swablu evolves into Alteria at level 35.
you can't get altaria but you can get swablu then evolve it, swablu is in route 210
Sadly no. There are all kinds of Pokemon that can evolve with a stone but swablu cannot. You can give it rare candies or just level it up to evolve into a Altaria.
my swablu just evolved at lv 35 but it could be different for you.
In Pokémon Ruby, Swablu evolves into Altaria at Level 35.
Use poke'nav and get it in wild
raise to lvl 35
you go to the top floor in sky pillar and altarias can be found. it is also very rare.