Gatwick will have the largest long-haul network for a single runway airport of 60 routes with the addition of a new air link with in Taiwan.
The airport confirmed that China Airlines will start flying four times a week from December 1.
The latest route means that Gatwick will have the fifth biggest long-haul network of any airport in Europe.
Other new services announced for this year cover Buenos Aires, Singapore, Denver, Seattle, Kigali and Vancouver.
Gatwick chief commercial officer Guy Stephenson said: “We are delighted to welcome China Airlines to Gatwick as part of our flourishing long haul network.
“The airport is increasingly connecting the UK to more and more destinations in all four corners of the globe including in China, the wider Far East, Africa, South America and destinations across the US.
“Given the current political climate, these global connections will provide UK businesses with vital trading links and will help them get goods to important new markets.
“We also stand ready to build a new runway to help drive further growth should the government give us the green light to proceed.”