https://community.expensify.com/discussion/37897/does-singapore-airlines-refund-fare-differences/p1?new=1

https://community.expensify.com/discussion/37897/does-singapore-airlines-refund-fare-differences/p1?new=1https://community.expensify.com/discussion/37897/does-singapore-airlines-refund-fare-differences/p1?new=1https://community.expensify.com/discussion/37897/does-singapore-airlines-refund-fare-differences/p1?new=1https://community.expensify.com/discussion/37897/does-singapore-airlines-refund-fare-differences/p1?new=1