Cheap Flights from Bangkok to Kathmandu — $149

The Bangkok — Kathmandu route is served by a wide range of airlines: 10 in total, including Thai Lion Air, Air India Express, Air India, China Southern Airlines, Royal Nepal Airlines, Thai Vietjet Air, Thai Airways, Srilankan Airlines, Thai AirAsia X, and IndiGo. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $149. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.

The minimum one-way ticket price from Bangkok to Kathmandu is $164 (August 2026), while the maximum is $255 (June 2027). On average, a ticket costs $192–$377.

Suvarnabhumi Airport (BKK) serves as Bangkok’s main international gateway and a regional hub for full-service carriers such as Thai Airways and many long-haul airlines. It’s positioned about 30–35 km east of downtown, with the Airport Rail Link offering 25–35 minute rides to central stations and taxis or ride-hailing typically taking 30–60 minutes depending on traffic; expect rail fares to be modest and taxi fares subject to meter plus tolls. The airport is modern with extensive shops and lounges, making connections and international arrivals convenient, though peak-hour road congestion and longer transfer walks can add time and complexity. Don Mueang (DMK) operates mainly for low-cost and domestic carriers like Nok Air and Thai Lion Air, located roughly 20–25 km north of the city. It’s often perceived as budget-friendly, with simpler facilities and generally lower carrier fees; buses and taxis connect to the city in about 30–60 minutes, depending on traffic, while airport shuttles and some rail links are possible via connections. DMK can be easier for value-conscious travelers but may lack the amenities and direct rail link that Suvarnabhumi provides.

Tribhuvan International Airport (KTM) in Kathmandu is Nepal’s primary international gateway and the country’s busiest airport, handling a mix of full-service carriers and regional/low-cost operators connecting to South Asia, the Middle East and seasonal tourist routes. It’s located about 6–8 km from Kathmandu’s city centre; road travel typically takes 20–40 minutes depending on traffic, with taxis, app-hailing cars and hotel transfers being the common options (fares can vary widely by time of day). Domestic flights to mountain airfields operate from a nearby domestic terminal. Pros: direct international connections and close proximity to central Kathmandu. Cons: can be congested, facilities may feel basic during peak periods and delays are not uncommon.