Cheapest upcoming dates
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Airlines Flying This Route
RA
Thai Airways
IndiGo
Air India
FD
FM
Air India Express
MU
VZ
Airports on this route
Flying from Bangkok
- BKK
Suvarnabhumi Airport
Bangkok
Arriving in Kathmandu
- KTM
Tribhuvan International Airport
Kathmandu
Best time to fly
Among the months with available fare data, November had the lowest observed fare, from $204.
Kathmandu is mildest and driest from November to February.
Based on typical climate for the destination, not a forecast.
Typical climate in Kathmandu
Average daily highs and lows in Kathmandu, and how often it rains.
Warmest month
Jun, around 27°C
Mildest months
Nov to Feb
Wettest month
Jul, about 31 rainy days
- Jan: average high 16°C, average low 4°C, 5 days of rain.
- Feb: average high 18°C, average low 6°C, 7 days of rain.
- Mar: average high 22°C, average low 10°C, 11 days of rain.
- Apr: average high 25°C, average low 14°C, 12 days of rain.
- May: average high 25°C, average low 16°C, 23 days of rain.
- Jun: average high 27°C, average low 19°C, 27 days of rain.
- Jul: average high 26°C, average low 20°C, 31 days of rain.
- Aug: average high 27°C, average low 20°C, 31 days of rain.
- Sep: average high 26°C, average low 18°C, 29 days of rain.
- Oct: average high 24°C, average low 14°C, 13 days of rain.
- Nov: average high 21°C, average low 9°C, 3 days of rain.
- Dec: average high 18°C, average low 5°C, 1 days of rain.
More for your trip
Everything else your trip needs, compared in one place.
More routes from Bangkok
More ways to reach Kathmandu
The return route
Tips for Cheaper Flights
Book Early
For flights from Bangkok to Kathmandu, booking 2-3 months in advance typically offers the best prices.
Fly Mid-Week
Tuesday to Thursday flights are often cheaper than weekend departures on this route.
Compare All Options
Tripzle compares prices from 9 airlines so you always find the best deal.
Be Flexible
Shifting your dates by a day or two can save significantly on Bangkok to Kathmandu flights.
Frequently Asked Questions
A typical flight from Bangkok to Kathmandu takes about 3h 25m.
Yes, direct flights are available from Bangkok to Kathmandu, taking approximately 3h 25m.
Flights to Kathmandu arrive at Tribhuvan International Airport (KTM).
9 airlines operate this route, including RA, Thai Airways, IndiGo, Air India.
Among the months with available fare data, November had the lowest observed fares from Bangkok to Kathmandu.