The deals get even more pronounced if you re taking the family. These hidden discounts are everywhere. Experts say hundreds of millions of dollars in discount certificates are offered every year. They can show up in junk mail, in special promotional packets like frequent diner coupons or through tie-ins with hotels and rental car companies. On domestic flights, APEX costs about one-third or less than the regular fare.
Airlines change fare policies quickly, however, so call airlines regularly.
Airlines don t like this approach and they can assess you for the full fare if you re caught. Use two different airlines. The only catch is that you may not get frequent-flier miles and changing plans may be more restrictive. You can call directly or use a travel agent. Some airlines have their own consolidators.