← FlightMVP

Flights between Bangkok (BKK) and Kathmandu (KTM)

Suvarnabhumi Airport, Thailand ↔ Tribhuvan International Airport, Nepal

A direct route between Bangkok and Kathmandu appears in the OpenFlights route network.

This reflects historical scheduled service and may be out of date — it is not a live timetable.

Airlines that have operated this route include:

RAThai Airways (TG)
Distance
2,230 km
1,386 miles
Est. flight time
3h 17m
great-circle estimate
Time difference
~1.3h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Thailand

Jan
32°
37/27
10mm
Feb
33°
38/28
20mm
Mar
34°
39/29
30mm
Apr
35°
40/30
60mm
May
34°
39/29
180mm
Jun
33°
38/28
200mm
Jul
32°
37/27
200mm
Aug
32°
37/27
250mm
Sep
32°
37/27
300mm
Oct
31°
36/26
200mm
Nov
31°
36/26
50mm
Dec
31°
36/26
10mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Nepal

Jan
19°
24/14
20mm
Feb
21°
26/16
25mm
Mar
27°
32/22
30mm
Apr
30°
35/25
60mm
May
30°
35/25
130mm
Jun
30°
35/25
230mm
Jul
29°
34/24
380mm
Aug
29°
34/24
350mm
Sep
29°
34/24
220mm
Oct
27°
32/22
70mm
Nov
23°
28/18
10mm
Dec
19°
24/14
15mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

Thailand: Caution — some areas (UK FCDO) ↗Nepal: Normal precautions (UK FCDO) ↗

Common questions

How far is Bangkok from Kathmandu?

Bangkok (BKK) and Kathmandu (KTM) are around 2,230 km (1,386 miles) apart — an estimated 3h 17m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the BKK–KTM route?

Airlines recorded operating this route in the OpenFlights network include RA, Thai Airways. This reflects historical scheduled service and may be out of date.

What is the time difference between Bangkok and Kathmandu?

Time difference ~ 1.3 hours (varies with daylight-saving).

When is it warmest in Nepal?

Across Nepal, the warmest month on average is April, with mean temperatures around 30°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for Thailand and Nepal?

The UK FCDO currently rates Thailand as Caution — some areas; The UK FCDO rates Nepal as Normal precautions. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.