While the information useful in itself, the article has a misleading title and assumes that reader has information he doesn't.
1) What is "that same flight"? Is that a domestic US flight that gets cheaper when you're abroad? Or is it a domestic Thailand flight that gets cheaper when you're in Bangkok?
2) Currency has little to do with Point of Sale. What the article is saying is that using local currency may yield cheaper prices and that the airline's website might not allow you to change the currency directly but might change it automatically when you change the location.
1) What is "that same flight"? Is that a domestic US flight that gets cheaper when you're abroad? Or is it a domestic Thailand flight that gets cheaper when you're in Bangkok?
2) Currency has little to do with Point of Sale. What the article is saying is that using local currency may yield cheaper prices and that the airline's website might not allow you to change the currency directly but might change it automatically when you change the location.