You've probably heard this travel hack before: “Always search for flights in Incognito Mode. Airlines track your searches and raise the price.” It sounds believable. You search Kuala Lumpur → Tokyo for RM900. You check again later. Suddenly it's RM1,050. So naturally you think: They know I want this flight. But does Incognito Mode actually make flights cheaper? Short answer: No. There isn't good evidence that airlines increase your individual flight price simply because you'v