...add-ons cover more than 500 activities and services, including snorkeling in Maui and swamp tours near New Orleans. Suzi LeVine, Expedia's product marketing director, said that while many hotel-flight combinations are offered at reduced prices...

...and know that they're going to get the best deals possible from us," Steinberg said. Expedia marketing director Suzi LeVine acknowledged that her company doesn't always list every airline but said such omissions have been based on service...