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We hate booking a flight and then a friend tells you they paid lower price than you D:
If you want to check the lowest price available and dont know how to do it... There is an easy tool that you can use and almost noone knows offer by google.inc.
its very convinient not only for much better user interface but also one of the fastest fare compare systems.
https://www.google.com/flights
use it and your wallet will thank you later.
:D
Travel Agent suggestions!