Follow the ABC's Peter Ryan.
Analysis of global and Australian business, finance and economics.
The financial and economic stakes are high for both Australia and South Korea.
Once the FTA is ratified, 85 percent of Australian exports to South Korea will have no tariff. Under the deal 90 percent and 90 percent of South Korean exports to Australia will have no tariffs.
Suh Jeong-in also signalled that the threat of Ebola would be a major issue at the G20 summit.
And he diplomatically defended Tony Abbott's intention not to have climate change featured as an issue for G20 leaders to discuss in Brisbane.
"Agenda setting is the chairman's perogative" Mr Suh said in relation to Australia's current presidency of the G20.
"When you host a G20 meeting or any other meeting, the chairman's voice is the loudest."
* Peter Ryan is in Seoul for the Walkley Foundation as part of the 2014 Korea-Australian Journalists Exchange
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