Jack visits Maybourne in his motel room and they track down Colonel Simmons in episode 5x14 “48 Hours”.
Senator Kinsey's Hotel
Senator Kinsey is leaving his hotel when he is shot by someone who looks suspiciously like Jack in episode 6x14 “Smoke & Mirrors”.
Teal'c and Krista stay overnight in a hotel after he helps her flee her abusive boyfriend in episode 8x07 “Affinity”.
Daniel and Agent Barrett spy on the hotel where their believe Baal is staying in episode 9x07 “Ex Deus Machina”.
An amnesiac Vala cares for Mitchell in a motel room in episode 10x08 “Memento Mori”.