Does Singapore Airlines allow flight changes? When it comes to flight changes, Singapore Airlines understands the importance of providing its customers ☎????-????????????-????????????-???????????????? with a hassle-free process. The airline's change policies are designed to offer flexibility, with varying fees and conditions depending on the type of ticket purchased and the timing of the change request. For instance, if you need to adjust your travel plans within 24 hours of the original booking, Singapore Airlines typically waives any change fees, allowing you to make the necessary modifications without incurring additional costs.