The passengers, originally bound for Amritsar in India, were forced to rebook their flights to New Delhi, The Straits Times reported.
An 18-year-old, visiting Malaysia for the first time, said his group only learned about the flight cancellations upon arrival at the airport and was instructed to switch flights, The Star reported.
Each had to pay around RM1,000 (US$231) to change their tickets.
Several Asian airlines have rerouted or suspended flights as the two countries closed their airspace.
India launched missile strikes into Pakistani-controlled areas early Wednesday, killing at least eight people, according to Reuters.
Pakistan shelled Indian-controlled Kashmir, killing at least three civilians, the Indian army reported.
Tensions have surged between the two nations following last month's deadly attack on Hindu tourists in Indian-controlled Kashmir.
India has accused Pakistan of supporting the militant assault.