Colombo (CMB) to Ho Chi Minh City (SGN): 1,843 miles (2,966 km) great-circle, about 4h 10m nonstop by our estimate. Cheapest fare observed: $423 round-trip on Air India, with 1 stop, departing April 28, 2026.
$423 round-trip, Air India AI282, departing 2026-04-28 at 05:00, returning 2026-05-04. The recorded itinerary left on a Tuesday, returning on a Monday 6 nights later; the fare was observed 3 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $423, it ranked 11th of the 30 round-trip fares we recorded from CMB (median $495). That is 22.9 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: Da Nang (2,009 mi) at $353 and Nha Trang (2,025 mi) at $471.
Air India had the cheapest fare on 3 of 30 CMB routes. It is the 23rd longest of the 30 routes we track from CMB.
Of 20 departure airports with a fare to Ho Chi Minh City, Colombo (CMB) ranked 11th at $423. Lowest: $183 from Bangkok (BKK); highest: $1566 from Salt Lake City (SLC); 8 nonstop. Cheapest-fare airlines (routes): VietJet Air (3), Air India (2), American Airlines (2), Qatar (2), AirAsia (1) and Cathay Pacific (1), plus 9 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Colombo, Asia/Ho_Chi_Minh; flight time is our estimate.