Understanding The User Development Fee (UDF)
Before diving into the numbers, it’s helpful to understand what is changing. The charge in question is the User Development Fee, or UDF. This is a fee levied by airports to fund airport modernization and maintenance. It is collected by airlines when you
book your ticket and is a standard component of the overall airfare. The Airports Economic Regulatory Authority of India (AERA), the national body that sets these charges, recently issued a new tariff order for Bengaluru, which comes into effect on September 1, 2026. This new order covers a five-year period until March 2031 and aims to make travel more affordable while ensuring the airport's development continues sustainably.
The New, Lower Departure Fees
The most significant change is a sharp reduction in the UDF for passengers flying out of Bengaluru. For domestic flyers, the departure fee has been slashed by nearly 45%, dropping from ₹550 to ₹300. International travellers will also see a substantial saving, with their departure UDF falling from ₹1,500 to ₹997, a reduction of over 33%. This decision makes the airport's charges for departing passengers significantly lower than what was previously in place and even less than what the airport operator, Bangalore International Airport Ltd (BIAL), had proposed. This change applies to all tickets issued for travel on or after September 1, 2026.
A New Fee For Arriving Passengers
While departure fees have been cut, the new tariff structure introduces a UDF for passengers arriving at Kempegowda International Airport for the first time. Passengers flying into Bengaluru on a domestic flight will now be charged an arrival fee of ₹125. Those arriving on an international flight will pay a UDF of ₹426. Previously, the entire UDF was loaded onto departing passengers. AERA has now split the fee between arriving and departing flyers, arguing that infrastructure like aerobridges, baggage carousels, and terminal facilities are used by passengers at both ends of their journey. This model is consistent with the approach being adopted at other major Indian airports.
What's The Net Impact On Your Wallet?
So, is travel truly cheaper? For a round trip, yes, but modestly. The new structure ensures that the total UDF paid by a passenger for a return journey is slightly less than before. For a domestic traveller, the combined fee for arriving and departing is now ₹425 (₹125 + ₹300), which is ₹125 less than the old one-way departure fee of ₹550. For an international traveller, the new combined fee is ₹1,423 (₹426 + ₹997), which is a small saving compared to the previous departure-only fee of ₹1,500. The biggest benefit is felt by those who are only flying one-way out of Bengaluru.
Why The Change In Strategy?
This revision is part of a new regulatory philosophy being implemented by AERA called the 'incremental Aggregate Revenue Requirement' framework. In simple terms, this means passengers will no longer pay upfront for large-scale infrastructure projects that are still under construction. Instead, the cost recovery for major projects, like new terminals or runways, will only be added to the tariff after these facilities are completed and operational. This approach is designed to prevent sudden 'tariff shocks' and ensures that flyers are only paying for the infrastructure they are actively using, making the fee structure more transparent and passenger-friendly.














