Delhi (DEL) to Mumbai (BOM): 706 miles (1,137 km) great-circle, about 1h 55m nonstop by our estimate. Cheapest fare observed: $147 round-trip on IndiGo, with 1 stop, departing April 30, 2026.
$147 round-trip, IndiGo 6E6261, departing 2026-04-30 at 00:15, returning 2026-05-01. The recorded itinerary left on a Thursday, returning on a Friday 1 night later; the fare was observed 5 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $147, it ranked 5th of the 30 round-trip fares we recorded from DEL (median $371). That is 20.8 cents per great-circle mile (round-trip price over one-way distance), below the DEL median of 27.9 cents across 30 round-trip routes.
Routes from DEL of similar length: Kolkata (816 mi) at $124 and Dushanbe (838 mi) at $877.
IndiGo had the cheapest fare on 4 of 30 DEL routes. It is the 25th longest of the 30 routes we track from DEL.
Of 7 departure airports with a fare to Mumbai, Delhi (DEL) ranked 2nd at $147. Lowest: $99 from Hyderabad (HYD); highest: $703 from Manchester (MAN); 1 nonstop. Cheapest-fare airlines (routes): Air India (1), airline 1E (1), airline OV (1), Etihad (1), IndiGo (1) and Qatar (1), plus 1 more.
The reverse, Mumbai (BOM) to Delhi (DEL), was $149 round-trip on Air India Express, nonstop, departing May 8, 2026. Mumbai to Delhi flights.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Kolkata, Asia/Kolkata; flight time is our estimate.