Cheap flights from Bangkok Suvarnabhumi to Kathmandu (BKK–KTM)
Thailand
Nepal
Nepal Airlines and Thai Airways fly Bangkok Suvarnabhumi to Kathmandu (BKK–KTM) nonstop and back, a great-circle distance of 2,230 km (1,390 mi).
- From
- BKK
- Bangkok Suvarnabhumi
- To
- KTM
- Kathmandu
- Nonstop
- Yes · 2 airlines
- Airlines
- RA · TG
- Cheapest fare found
- ฿5,991 one-way
- Distance
- 2,230 km (1,390 mi)
- Time difference
- Kathmandu 1 hour 15 minutes behind
Data from the sources listed, updated:· How we verify
Bangkok Suvarnabhumi to Kathmandu fares by month
Cheapest one-way fare found: ฿5,991 for June 2027 on Thai Airways, nonstop. Nonstop from ฿5,991.
- Oct ’26฿9,885
- Nov ’26฿7,307
- Dec ’26฿7,027
- Jan ’27฿7,430
- Feb ’27฿7,068
- Mar ’27฿7,325
- Apr ’27฿6,894
- May ’27฿6,014
- Jun ’27฿5,991
- Jul ’27฿7,466
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly BKK–KTM
For Bangkok Suvarnabhumi (BKK) to Kathmandu Tribhuvan (KTM), June 2027 had the lowest fare found (฿5,991). Days in Kathmandu average 18–28 °C in January, February, March, October, November and December. Set your watch 1 hour 15 minutes back on landing at KTM.
Bangkok Suvarnabhumi to Kathmandu: frequently asked questions
Fares: Aviasales price cache, 11 October 2026.
How much is a flight from Bangkok Suvarnabhumi (BKK) to Kathmandu Tribhuvan (KTM)?
From ฿5,991 one-way, the cheapest fare found for June 2027 on Thai Airways, nonstop; nonstop from ฿5,991 (found 11 October 2026).
Which airlines fly BKK–KTM direct?
Nepal Airlines and Thai Airways.
What is the cheapest month to fly BKK–KTM?
June 2027, at ฿5,991; the dearest month found was ฿9,885.
What is the time difference between Bangkok Suvarnabhumi and Kathmandu?
Kathmandu is 1 hour 15 minutes behind Bangkok Suvarnabhumi: a BKK departure at noon is 10:45 local time in KTM.
Kathmandu to Bangkok Suvarnabhumi: the return flight (KTM–BKK)
All 2 airlines also fly KTM–BKK nonstop.
Airlines flying BKK–KTM nonstop
| Airline | Type | Alliance |
|---|---|---|
| Nepal Airlines RA | full-service | — |
 Thai Airways TG | full-service | Star Alliance |
One-stop alternatives to flying BKK–KTM nonstop
One airline on both legs; check it's sold as one ticket.
- Via Thimphu (PBH) with Bhutan Airlines and Drukair: 2,330 km (1,450 mi) flown, 4% further than nonstop.
- Via Kunming (KMG) with China Eastern Airlines: 3,060 km (1,900 mi) flown, 37% further than nonstop.
BKK–KTM route map
More from Bangkok Suvarnabhumi and Kathmandu
Explore the airlines’ route maps
Departure
Suvarnabhumi Airport
Suvarnabhumi (BKK), Bangkok. 2 terminals. In our data, 109 airlines fly nonstop from BKK to 137 destinations.
View BKK airport guide →Arrival
Tribhuvan International Airport
Tribhuvan (KTM), Kathmandu.
Weather in Kathmandu vs Bangkok Suvarnabhumi
Kathmandu is cooler than Bangkok Suvarnabhumi in every month, by 4–14°C; the biggest gap is in January (19°C against 33°C). In October it averages 27°C in Kathmandu and 33°C in Bangkok Suvarnabhumi.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kathmandu | 19° | 22° | 26° | 29° | 29° | 30° | 29° | 29° | 29° | 27° | 24° | 20° |
| Bangkok Suvarnabhumi | 33° | 34° | 35° | 36° | 35° | 34° | 34° | 33° | 33° | 33° | 33° | 32° |
Average daily highs. Climate normals from Kathmandu and Bangkok (Wikipedia, CC BY-SA), which cite the national weather services.
Other nonstop airport pairs, Bangkok to Kathmandu
Bangkok and Kathmandu are connected nonstop from more than one airport. Compare the pairs by airline count:
Onward from Kathmandu
Places you can't fly to nonstop from BKK, but can from KTM — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- thaiairways.com — Thai Airways destinations
- thaiairways.com — Bangkok–Siem Reap service
- en.wikipedia.org — current destination list, cross-checked 2026-09-25 (terminated routes removed)
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
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