At HSBC Star Alliance Credit Card
0% interest for 6 months on Star Alliance flight bookings — Eligibility: Flights must be booked directly on the website of a participating Star Alliance member airline using the card. 6 months interest free on that transaction. — Applies across many Star Alliance carriers, so no single linkable merchant.
Check the details on HSBC Star Alliance Credit Card’s own page
Perkroo lists the perks the memberships you already hold include — sorted by what’s nearest to you.
Perkroo is an independent Australian app. HSBC Star Alliance Credit Card are named for identification only — Perkroo is not affiliated with, endorsed by, or partnered with them. Offers change at the provider’s discretion; check the linked page before relying on one.