Garuda Indonesia and Singapore Airlines (SIA) will strengthen their long-standing commercial cooperation in August 2025, with the launch of joint sales of fare products, additional codeshare destinations, and reciprocal lounge access. From August 2025, customers will be able to book flights operated by both airlines for services between Singapore and Indonesia [1] within a single itinerary, offering greater convenience, and a wider range of fare options for travellers. The two carriers wi