Kathmandu (KTM) to Dhaka (DAC): 411 miles (662 km) great-circle, about 1h 20m nonstop by our estimate. Cheapest fare observed: $220 round-trip on Biman Bangladesh Airlines, nonstop, departing May 15, 2026.
$220 round-trip, Biman Bangladesh Airlines BG374, departing 2026-05-15 at 18:00, returning 2026-05-24. The recorded itinerary left on a Friday, returning on a Sunday 9 nights later; the fare was observed 20 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $220, it was the cheapest of the 30 round-trip fares we recorded from KTM (median $659). That is 53.5 cents per great-circle mile (round-trip price over one-way distance), above the KTM median of 37.6 cents across 28 round-trip routes.
Routes from KTM of similar length: Lhasa (355 mi) at $753 and Delhi (507 mi) at $252.
KTM to DAC is the only one of 30 KTM routes where Biman Bangladesh Airlines priced cheapest. It is the 24th longest of the 30 routes we track from KTM.
Of 11 departure airports with a fare to Dhaka, Kathmandu (KTM) ranked 1st at $220. Lowest: $220 from Kathmandu (KTM); highest: $2108 from Auckland (AKL); 1 nonstop. Cheapest-fare airlines (routes): Air Arabia (1), Air Arabia Abu Dhabi (1), AirAsia (1), Alaska Airlines (1), American Airlines (1) and Biman Bangladesh Airlines (1), plus 5 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Kathmandu, Asia/Dhaka; flight time is our estimate.