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I'd like to do a very broad search to find a cheap airfare between South America and Asia. I have a list of possible origins and possible destinations (like a matrix). Is there such a flight fare search engine that could fill out all matrix cells for a specific date or range?

Origin/Destination  Tokyo   Singapore Bangkok   Hong Kong
Lima                
Santiago                
Quito               
Buenos Aires

Edit
Is there a free public API for flight fares out there? It wouldn't be too hard to program.

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3 Answers 3

up vote 8 down vote accepted
+50

ITA Software, Kayak API

Have you taken a look at ITA software's Matrix2? Again, it's not perfect, but it lets you define a 300-mile radius for departure and destination airports. It also allows for flexibility in the date or display of a lowest fare calendar.

They don't have a public API, but they're the ones who power Kayak and many of the other flight search engines. They were recently acquired by Google.

Kayak does have an API you can use to populate your matrix. In fact, this mashup looks like it does part of what you want.

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Actually Matrix2 is perfect. I can input an arbitary number of airports in the search fields. Thanks! –  JcMaco Aug 9 '10 at 23:15
    
@JcMaco Did you consider to formally accept the answer? –  gerrit Nov 19 '12 at 16:53
    
@gerrit Done :) –  JcMaco Nov 21 '12 at 20:01
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Not exactly what you asked for, but I think it's as close as you are going to get.

This site lets you enter an approximate location for departure, a range of dates and a price range and visually displays all the possible destinations within that range.

http://www.kayak.com/explore/

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Very cool. I used Kayak in the past, but did not know about this feature. –  JcMaco Jul 13 '10 at 18:54
    
Pretty sure it is a very recent addition. –  Oren Jul 13 '10 at 19:29
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http://adioso.com might be something you are looking for.

also,

http://flights.traveleurope.com/ (not only Europe btw)

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