Route guide

Bangkok to Kathmandu (BKK-KTM): Nonstop Upgrade & Award Space

Thai Airways International, Nepal Airlines, and Air d'Ayiti fly nonstop between Bangkok (BKK) and Kathmandu (KTM), roughly 16 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every BKK to KTM departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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16
Nonstop flights a week
1,385 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every BKK to KTM departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Bangkok to Kathmandu to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each BKK to KTM departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See BKK to KTM on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Bangkok to Kathmandu nonstop

Carriers operating BKK to KTM nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Thai Airways International
  • Nepal Airlines
  • Air d'Ayiti
See BKK to KTM on the interactive map →

Frequently asked questions about BKK to KTM

How far is Kathmandu from Bangkok?
BKK to KTM covers about 1,385 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from BKK to KTM?
Thai Airways International, Nepal Airlines, and Air d'Ayiti fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all three of them.
How many flights a week are there from BKK to KTM?
About 16 nonstop flights a week run between Bangkok and Kathmandu in the current schedule, operated by Thai Airways International, Nepal Airlines, and Air d'Ayiti. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on BKK to KTM?
Open the BKK to KTM calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Bangkok to Kathmandu route, and 2LNR will notify you when space opens. It's free to start.

Never miss BKK to KTM upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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