The best alternatives to Mavericks Travel are Taab, TripCost, and Jetradar. If these 3 options don't work for you, we've listed a few more alternatives below.
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TripCost is a website that estimates the cost of your trip. TripCost has info about the price for a cup of coffee, a cinema ticket, a McMeal, a pint of local beer, a bus ticket, flight, hotel and hundreds of other things.