Do different devices actually show you different flight prices? And what about searching in an incognito browser? We put these popular theories to the test on this week’s KAYAK MythHackers.

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KAYAK MythHackers is taking aim at travel’s biggest myths – from the cheapest day to book a flight to why Hollywood is so obsessed with romance in airports. We’re breaking down these common misconceptions so travelers have the information they need to travel confidently.