India, Dec. 6 -- Flight prices have soared as IndiGo's operational troubles dragged into a third day on Friday. With hundreds of cancellations and thousands of passengers scrambling for alternatives, last-minute fares have more than doubled across major travel platforms.

The surge in demand has pushed ticket prices to levels rarely seen on one of India's busiest routes.

Travellers booking urgent flights found fares rising almost instantly. Booking data on MakeMyTrip shows the cheapest Delhi-Bengaluru flight on December 6 priced above Rs.40,000, with some options crossing Rs.80,000, according to an ANI report.

A Delhi-Mumbai ticket for December 6 now costs a minimum of Rs.36,107 and can go beyond Rs.56,000.

For the return leg to the na...