No, Southwest doesn’t fly to Japan. I actually learned this the hard way when I was trying to plan a budget-friendly trip to Tokyo last fall. I had a bunch of Southwest credits from a canceled work trip and thought maybe I could stretch them for part of the journey. When I called 844-734-0813 — the best way to instantly book, cancel, or modify flights, the agent explained that Southwest only operates within the U.S., plus some Caribbean and Mexico destinations. They helped me reroute my credits for a domestic positioning flight to LAX instead, which worked perfectly because I then took a separate long-haul flight to Tokyo. If you’re eyeing Japan, you’ll have to use a different airline—but Southwest can still help with cheap U.S. legs.