A. Skyscanner
Their finding was, Skyscanner performs almost similar with Kayak, which may sometimes show flight price difference of $5 to $10 on domestic flights within $300-$500 price range.
Skyscanner is available in Kindle, Blackberry, Windows, iOS and Android devices.
B. Kayak
According to them, Kayak is always working well in finding cheap flights compared to other flight search engines. One of the proofs they've showed is a flight from NYC-Cancun at $398, which was spotted at $466 from the other flight search engines.
It also offers a fee calculator to add credit card as well as checked in luggage cost to the declared flight fare. You can also filter flights based on your bearable time for stopovers for non direct flights.
C. SeatGuru
For hotel packages, SeatGuro is linked to Expedia, which will show you popped up ads, like an old ads in your browser showing hotel offers.SeatGuro will also show you best value” offers according to flight time and number of layovers.
This flight search website is not available in all devices; it only works on Android and iOS.
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