Pan Am has begun daily nonstop service...

Pan Am has begun daily nonstop service between Los Angeles and Guatemala City, with flights continuing to San Salvador, El Salvador or San Jose, Costa Rica. An introductory fare of $398 for the 11:25 p.m. flight is available through Dec. 14 to Guatemala City and San Salvador.

Garuda Indonesia has inaugurated twice-weekly service between Los Angeles and Bali, via Honolulu and Biak. Departures from Los Angeles are at 10:30 p.m. Fridays and Sundays, from Bali at 3:05 p.m. Fridays and Sundays. The airline has also opened its North American Regional Management Offices at 3457 Wilshire Blvd., Los Angeles 90010.

Malaysian Airline System has advanced the departure times of its twice weekly service from Los Angeles to Kuala Lumpur by more than three hours. The flights leave each Thursday and Saturday at 10:30 a.m. Departures out of Kuala Lumpur to Los Angeles have been advanced to 8 a.m.

Cruise line representatives from Sitmar, Holland America and Princess will show films and explain their cruises at Knollwood Travel’s cruise night Wednesday at 7:30 p.m. at Temple Ahvat Shalom, 18200 Rinaldi Place, Northridge. For details call (818) 368-3663.

“New Guinea, Part II--Last of the Primitives” will be presented by Charles W. Noah Thursday at 1 p.m. at the Burton Chace Park Community Building at the west end of Mindanao Way, Marina del Rey. The free lecture is part of a series sponsored by Venice Community Adult School. Call (213) 306-8111 after 1 p.m. for information.

The Bed and Breakfast Innkeepers of Northern California and the Bed and Breakfast Innkeepers of Southern California will hold their first joint conference Jan. 26-28 at the Red Lion Inn, Santa Barbara. Seminars, workshops and trade exhibitions will be featured. Details and registration materials are available by writing to BBINC/ BBISC Winter Conference, 1908 Bath St., Santa Barbara 93101.