Canada Night Air Fares, Free Far East Lecture

“Nighthawk” fares have been introduced between June 17 and Sept. 8 by Air Canada for flights from Los Angeles to Toronto, Montreal or Ottawa. The round-trip price of $345 to Toronto and $393 to the other two cities is available only for trips from Los Angeles on nightly flight 794 and returning on flight 793. Tickets must be bought 30 days in advance. Other restrictions apply. For more information, call (800) 422-6232.

The Los Angeles Geographical Society is the sponsor of a free slide show and lecture, “Compelling Connections; a Discussion of Costa Rica,” by Katherine Nava. The lecture will be presented at 8 p.m. on Friday in Franklin Hall 101, Los Angeles City College, 855 N. Vermont Ave., Los Angeles. For more information, call (213) 669-4228.

A free lecture on Malaysia, Singapore and Thailand will be given by photographer Mort Loveman at 1 p.m. on Wednesday5 in the Roxbury Memorial Park clubhouse, 471 S. Roxbury Drive, Beverly Hills. More information may be obtained by calling (213) 550-4761.

The turquoise-and-yellow aircraft of Paradise Island Airlines, owned by entertainer Merv Griffin, recently began daily round-trip service between Miami and Fort Lauderdale airports and the new Paradise Island airport in the Bahamas. For more information, call (800) 327-2521.

Braniff has moved its corporate headquarters to 9955 Benford Road, Orlando, Fla. 32827. Telephone (407) 856-8000.

Between now and Sept. 8, Air Canada is offering business travelers a half-price option on each of its North American routes, except those to or from Florida. Under the program, travelers who buy a regularly priced Executive Class ticket can receive a 50% discount on a second ticket for a spouse or other family member.

Beginning June 1, Northwest Airlines will offer nonstop service three times a week between Los Angeles and Osaka, Japan. Flights will leave Los Angeles on Monday, Thursday and Saturday at 12:15 p.m.

Lufthansa will begin a new service between Los Angeles and Dusseldorf on June 13. The non-stop service will operate twice weekly, with the flight continuing on to Munich. An introductory round-trip fare of $699 to either city will be available between June 13 and July 13. For additional information, call (800) 645-3880.

European city tours from 8 to 14 days are described in free brochures available from Club Universe. Six itineraries are offered. Cities included in various combinations are London, Paris, Rome, Amsterdam and Lucerne. For more information, call (800) 468-6600.

Wardair Canada, recently purchased by Canadian Airlines International, is offering service between Los Angeles and Toronto on Saturday and Sunday until June 18, with additional flights on Tuesday and Wednesday between June 20 and Sept. 12. The airline is flying between San Diego and Toronto on Saturday until Sept. 30.