There are better options for traveling to annoying planes. From the Planar Handbook:
avoid planar effects, Cleric 2, Druid 2, Sorcerer/Wizard 3
planar tolerance, Cleric 4, Druid 4, Ranger 4, Sorcerer/Wizard 3
The second one is the same as the first, but lasts 1 hour/level. And both affect...