Colombo (CMB) to Delhi (DEL): 1,488 miles (2,395 km) great-circle, about 3h 30m nonstop by our estimate. Cheapest fare observed: $335 round-trip on Air India, nonstop, departing May 12, 2026.
$335 round-trip, Air India AI282, departing 2026-05-12 at 05:00, returning 2026-05-15. The recorded itinerary left on a Tuesday, returning on a Friday 3 nights later; the fare was observed 17 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $335, it ranked 8th of the 30 round-trip fares we recorded from CMB (median $495). That is 22.5 cents per great-circle mile (round-trip price over one-way distance), close to the CMB median of 22.4 cents across 30 round-trip routes.
Routes from CMB of similar length: Bangkok (1,486 mi) at $317 and Kuala Lumpur (1,533 mi) at $328.
Air India had the cheapest fare on 3 of 30 CMB routes. It is the 25th longest of the 30 routes we track from CMB.
Of 23 departure airports with a fare to Delhi, Colombo (CMB) ranked 7th at $335. Lowest: $131 from Hyderabad (HYD); highest: $1623 from Edmonton (YEG); 6 nonstop. Cheapest-fare airlines (routes): IndiGo (3), Air India (2), Oman Air (2), Air Arabia Abu Dhabi (1), Air India Express (1) and airline LW (1), plus 13 more.
The reverse, Delhi (DEL) to Colombo (CMB), was $348 round-trip on SriLankan Airlines, nonstop, departing July 15, 2026. Delhi 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.