Colombo (CMB) to Chennai (MAA): 402 miles (647 km) great-circle, about 1h 20m nonstop by our estimate. Cheapest fare observed: $246 round-trip on IndiGo, nonstop, departing April 26, 2026.
$246 round-trip, IndiGo 6E1174, departing 2026-04-26 at 09:45, returning 2026-04-28. The recorded itinerary left on a Sunday, returning on a Tuesday 2 nights later; the fare was observed 1 day before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $246, it was the cheapest of the 30 round-trip fares we recorded from CMB (median $495). That is 61.2 cents per great-circle mile (round-trip price over one-way distance), above the CMB median of 22.4 cents across 30 round-trip routes.
Routes from CMB of similar length: Malé (483 mi) at $298 and Goa (699 mi) at $271.
IndiGo had the cheapest fare on 4 of 30 CMB routes. It is the 30th longest of the 30 routes we track from CMB.
Of 5 departure airports with a fare to Chennai, Colombo (CMB) ranked 1st at $246. Lowest: $246 from Colombo (CMB); highest: $570 from Doha (DOH); 1 nonstop. Cheapest-fare airlines (routes): AirAsia (1), Emirates (1), Gulf Air (1), IndiGo (1) and Qatar (1).
The reverse, Chennai (MAA) to Colombo (CMB), was $210 round-trip on SriLankan Airlines, nonstop, departing May 15, 2026. Chennai to Colombo flights.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Colombo, Asia/Kolkata; flight time is our estimate.