Mumbai (BOM) to Colombo (CMB): 948 miles (1,526 km) great-circle, about 2h 25m nonstop by our estimate. Cheapest fare observed: $374 round-trip on IndiGo, with 1 stop, departing April 30, 2026.
$374 round-trip, IndiGo 6E136, departing 2026-04-30 at 04:05, returning 2026-05-03. The recorded itinerary left on a Thursday, returning on a Sunday 3 nights later; the fare was observed 5 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $374, it ranked 14th of the 30 round-trip fares we recorded from BOM (median $407). That is 39.4 cents per great-circle mile (round-trip price over one-way distance), above the BOM median of 22.3 cents across 30 round-trip routes.
Routes from BOM of similar length: Kathmandu (989 mi) at $347 and Malé (1,030 mi) at $347.
IndiGo had the cheapest fare on 8 of 30 BOM routes. It is the 23rd longest of the 30 routes we track from BOM.
Of 15 departure airports with a fare to Colombo, Mumbai (BOM) ranked 6th at $374. Lowest: $210 from Chennai (MAA); highest: $1494 from Edmonton (YEG); 5 nonstop. Cheapest-fare airlines (routes): IndiGo (3), SriLankan Airlines (2), Air Arabia Abu Dhabi (1), AirAsia (1), airline 01 (1) and Batik Air Malaysia (1), plus 6 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Kolkata, Asia/Colombo; flight time is our estimate.