Shares of InterGlobe Aviation Ltd, operating as IndiGo, saw a notable 4 percent gain in Monday's trading. The surge came amidst a nearly 5 percent fall in crude oil prices, attributed to reports of a potential US-Iran deal.
Impact of Falling Crude Oil on Airline Operations
For airlines like IndiGo, benchmark jet fuel prices are a critical factor in operating economics. The company had previously noted in its May 29 earnings call that significant spikes in fuel costs over the past three months had materially impacted its operations across various markets.
A natural lag exists in how fuel price movements reflect in IndiGo's business. Aviation Turbine Fuel (ATF) prices are determined by oil marketing companies on the first of each month, based on international fuel price indices and currency fluctuations from the preceding month. Consequently, changes in global fuel prices typically affect the airline's fuel cost per available seat kilometer (CASK) with roughly a one-month delay.
In response to earlier escalations in geopolitical conflict in the Middle East, which led to route disruptions and sharp increases in jet fuel prices, airlines globally, including IndiGo, implemented short-term measures to maintain operational viability.
IndiGo's Recent Performance and Future Outlook
Despite these past challenges, IndiGo reported serving over 123 million passengers in FY2026, marking its highest-ever count. The airline also highlighted supportive and timely interventions by the government and oil marketing companies on the domestic front, which helped soften and partially pass on the impact of global fuel price increases.
During its March quarter, IndiGo faced fresh disruptions from the Middle East, including airspace constraints, network challenges, and selective travel deferrals. This impacted both capacity deployment and demand. The airline saw passenger growth of approximately 4 percent against a seat growth of around 5 percent, and an Available Seat Kilometre (ASK) growth of 9.5 percent with a Revenue Passenger Kilometre (RPK) growth of 7.5 percent.
The current drop in crude oil prices, driven by the US-Iran deal, is expected to provide a welcome relief, allowing IndiGo to better manage its cost pressures and potentially calibrate its fuel charges more effectively.