There’s a little known flight hack that has something to do with a VPN (Virtual Private Network). Trick the system into believing you’re somewhere you’re not and voila! Instantly discounted flight.

Jose, over at Gizmodo originally published the post and below are images from that article.

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Flights from Miami to New Orleans range from $345-$388. The location of Jose’s computer is telling Kayak that he is located in Miami.

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But with a simple switch of his IP address (he uses BTguard), these are his Kayak search results.

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His IP address has been configured to show his new location..in Toronto. Check out the Canadian flag in the top right corner of the above image.

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And just like that, you can instantly book cheaper flights. Have you tried this little known hack before? What were your results?