Help with booking a fare found through search engine

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Hi All,

I've been doing a lot of searching the last couple of days via Expedia, Skyscanner, itaMatrix and directly with many, many airlines. I need to get from Helsinki to Sydney ideally on the 8th of December. I've found the following fare on Skyscanner:

[TABLE="width: 492"]
[TR="class: airline, bgcolor: #FFFFFF"]
[TD="bgcolor: #FBFBFB"]Cathay Pacific
CX1460[/TD]
[TD="class: operated-by, bgcolor: #FBFBFB, colspan: 4"]Operated by Finnair[/TD]
[/TR]
[TR="class: departure, bgcolor: #FFFFFF"]
[TD="class: times bold, bgcolor: #FBFBFB"]08:05[/TD]
[TD="class: route, bgcolor: #FBFBFB"]HEL Helsinki Vantaa[/TD]
[TD="class: leg-icon, bgcolor: #FBFBFB"]Departure[/TD]
[TD="class: duration, bgcolor: #FBFBFB"]3h 05[/TD]
[/TR]
[TR="class: destination, bgcolor: #FFFFFF"]
[TD="class: times, bgcolor: #FBFBFB"]10:10[/TD]
[TD="class: route, bgcolor: #FBFBFB"]MXP Milan Malpensa[/TD]
[TD="class: leg-icon, bgcolor: #FBFBFB"]Destination[/TD]
[/TR]
[TR="class: connection, bgcolor: #FFFFFF"]
[TD][/TD]
[TD][/TD]
[TD="class: connect"]Connect in airport[/TD]
[TD="class: leg-icon"]Connection[/TD]
[TD="class: connection-time"]2h 10[/TD]
[/TR]
[TR="class: airline, bgcolor: #FFFFFF"]
[TD="bgcolor: #FBFBFB"]Cathay Pacific
CX234[/TD]
[TD="class: operated-by empty, bgcolor: #FBFBFB, colspan: 4"][/TD]
[/TR]
[TR="class: departure, bgcolor: #FFFFFF"]
[TD="class: times bold, bgcolor: #FBFBFB"]12:20[/TD]
[TD="class: route, bgcolor: #FBFBFB"]MXP Milan Malpensa[/TD]
[TD="class: leg-icon, bgcolor: #FBFBFB"]Departure[/TD]
[TD="class: duration, bgcolor: #FBFBFB"]11h 20[/TD]
[/TR]
[TR="class: destination, bgcolor: #FFFFFF"]
[TD="class: times, bgcolor: #FBFBFB"]06:40 (+1)[/TD]
[TD="class: route, bgcolor: #FBFBFB"]HKG Hong Kong International[/TD]
[TD="class: leg-icon, bgcolor: #FBFBFB"]Destination[/TD]
[/TR]
[TR="class: connection, bgcolor: #FFFFFF"]
[TD][/TD]
[TD][/TD]
[TD="class: connect"]Connect in airport[/TD]
[TD="class: leg-icon"]Connection[/TD]
[TD="class: connection-time"]2h 10[/TD]
[/TR]
[TR="class: airline, bgcolor: #FFFFFF"]
[TD="bgcolor: #FBFBFB"]Cathay Pacific
CX139[/TD]
[TD="class: operated-by empty, bgcolor: #FBFBFB, colspan: 4"][/TD]
[/TR]
[TR="class: departure, bgcolor: #FFFFFF"]
[TD="class: times bold, bgcolor: #FBFBFB"]08:50[/TD]
[TD="class: route, bgcolor: #FBFBFB"]HKG Hong Kong International[/TD]
[TD="class: leg-icon, bgcolor: #FBFBFB"]Departure[/TD]
[TD="class: duration, bgcolor: #FBFBFB"]9h 10[/TD]
[/TR]
[TR="class: destination, bgcolor: #FFFFFF"]
[TD="class: times, bgcolor: #FBFBFB"]21:00[/TD]
[TD="class: route, bgcolor: #FBFBFB"]SYD Sydney Kingsford Smith[/TD]
[TD="class: leg-icon, bgcolor: #FBFBFB"]Destination[/TD]
[/TR]
[TR="class: arrival-info, bgcolor: #FFFFFF"]
[/TR]
[/TABLE]


Not the fastest way to get home but Skyscanner has it at £473. My problem is that Skyscanner has the fare through a website called gotogate.com. Some googling tells me it's a Scandi based travel agency with a lot of bad reviews. I've tried both the Finnair and Cathay Pacific direct sites but can't seem to find these flights at all. Is there another way to book these flights? Or do they not exist at this price other than through this potentially dodgy company?

Any help much appreciated.