How can i get cheap(ish) tickets from miami to barcelona

How can i get cheap(ish) tickets from miami to barcelona?
Hello! Me and 2 other people, all adults, will be taking a one way flight from Miami International Airport to Barcelona Internation Airport, and we want the cheapest tickets we can afford, coach. Is there any websites where we can get them? Thanks in advance.
Air Travel - 3 Answers
Random Answers, Critics, Comments, Opinions :
1 :
you have to check this site http://www.fame5.com/cheap-travel-guides/24 you should compare them and get the cheapest from those
2 :
you may try http://www.europeanvacation3.com for cheap flight tickets as it's search over 450 sites for price comparison and which would help to choose cheap flight tickets from those search result.
3 :
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