IndiGo, India's preferred airline, has announced that all domestic flights from Lucknow Airport will depart from Terminal 3 starting April 21, 2024, while international flights will continue to operate from Terminal 1. IndiGo is contacting affected passengers and their travel agents via SMS, calls, and emails. To avoid inconvenience, passengers are advised to retrieve their PNR on the airline's website or mobile app to check their terminal before heading to the airport. IndiGo remains committed to providing an affordable, on-time, courteous, and hassle-free travel experience.