Thai Airways International and Nepal Airlines fly nonstop from Kathmandu (KTM) to Bangkok (BKK), daily. The flight takes about 3h 22m and covers 1,386 miles (2,230 km). Round-trip fares typically run around $484, with recent bookable fares from $355. Fares last checked 30 August 2026.
Flying in September rather than October typically saves $122 on KTM → BKK.
Typical round-trip fare by departure month, across the 3 months we currently track.
Staying 6–9 nights typically costs $37 less than 10–16 nights.
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Across 50 recent dates we priced, Kathmandu (KTM) to Bangkok (BKK) showed up to 2 nonstop departures a day, with the earliest around 00:25 and the latest around 13:30, operated by Thai Airways International and Nepal.
Departure times seen while pricing this route over the last few weeks — a sample, not the full timetable. Airlines adjust schedules seasonally.
Yes, Thai Airways International and Nepal Airlines operate nonstop flights from Kathmandu (KTM) to Bangkok (BKK).
Thai Airways International, Nepal Airlines operate nonstop flights from Kathmandu to Bangkok.
The nonstop flight from Kathmandu to Bangkok takes ~3h 22m (approximately 2230 km).
Nonstop flights from Kathmandu to Bangkok operate daily.
Round-trip flights from Kathmandu (KTM) to Bangkok (BKK) start at $355, with a typical fare around $484. Based on 86 recent fare combinations.
Across the 3 departure months we currently track, September 2026 is the cheapest month to fly round trip from Kathmandu to Bangkok, with typical fares around $457 — versus about $579 in October 2026, the most expensive.
Typical round-trip fares from Kathmandu (KTM) to Bangkok (BKK) by trip length: a week away (6–9 nights) about $482 and around two weeks (10–16 nights) about $519. Medians from 86 recent fare combinations.
Scout — our search agent — priced 53 fares on this route in the past week, cheapest $355 round trip. It hunts nonstop fares from Kathmandu every night and pings you when one's worth booking.
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