Airline ticket prices from Delhi to Mumbai, which is one of the busiest air travel routes in India, surged up to ₹ 48,972 amid the IndiGo flight cancellation issues over the updated crew rostering Flight Duty Time Limitations (FDTL) norms.

According to International Air Transport Association (IATA) data released in 2025, flights operating between Delhi, Mumbai, Bengaluru, Kolkata, and Hyderabad carried the largest number of passengers, marking to become the busiest domestic routes in India for 2024.

1. Delhi to Mumbai: Direct flights operating between Delhi to Mumbai start from ₹ 25,161 per person, and go all the way up to ₹ 48,972 per person before adding taxes.

Only Air India, Air India Express, and SpiceJet will be operating their aircraft out of Delhi's Indira Gandhi Internat

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