International Low-Cost Airlines Drive Transatlantic Fares Into The Ground

If you've been wondering why airfare to Scandinavian countries has been so inexpensive for the past few seasons, you have one particular airline to thank: Norwegian Air. For the last year, the self-described low cost carrier has expanded aggressively across the globe, and as a result of the new low fares they brought into the United States, domestic carriers have lowered their prices to compete. These days, a ticket from San Francisco to Copenhagen with a layover in London can often be cheaper t...