Finding the best round-trip flight deals in India has become easier than ever, especially across busy metro routes like Delhi–Mumbai , Delhi–Bengaluru , Delhi–Hyderabad , Delhi–Chennai , Delhi–Kolkata , Delhi–Goa , Delhi–Pune , and Mumbai–Chennai . Whether you're a business traveler who flies frequently, a family trip planner, or someone chasing weekend getaways, knowing how to book smartly can save you thousands. This guide helps you understand how to get the lowest round-t