Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Bangkok to Kathmandu. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Bangkok to Kathmandu, despite the fact that sometimes flights with transfers can cost significantly less.
The airlines on the Bangkok — Kathmandu route each fly on specific days: Thai Airways flies every day except Friday. Royal Nepal Airlines only flies on Monday and Wednesday.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The cheapest one-way flight from Bangkok to Kathmandu departs on 11/13/2026, is operated by Thai Lion Air and costs $175
The cheapest roundtrip flight from Bangkok to Kathmandu departs on 01/24/2027, is operated by Thai Lion Air and costs $382
Fastest flight from Bangkok to Kathmandu takes 3h 20m
There are direct flights on this route 4 days a week: Su, Mo, We, and Fr
The distance between Bangkok and Kathmandu is 2209km (1370 miles). The average flight duration is 3h 28m. There are 19 direct flights from Bangkok to Kathmandu. The time difference between Bangkok and Kathmandu is 1h 15m. Flights from Bangkok begin at 10:15 AM. The latest flight from Bangkok departs at 9:15 PM
The Bangkok — Kathmandu route is served by a wide range of airlines: 11 in total, including Thai Lion Air, Royal Nepal Airlines, Air India, Air India Express, China Southern Airlines, Thai Airways, Srilankan Airlines, IndiGo, Thai Vietjet Air, Biman Bangladesh Airlines, and Thai AirAsia X. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $175. 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.
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Bangkok — Kathmandu
11/13/2026
Departure
Direct flight
SL220
starting at $175
Bangkok — Kathmandu
11/15/2026
Departure
Direct flight
SL220
starting at $175
Bangkok — Kathmandu
02/22/2027
Departure
Direct flight
SL220
starting at $186
Bangkok — Kathmandu
02/17/2027
Departure
Direct flight
SL220
starting at $187
Bangkok — Kathmandu
11/04/2026
Departure
Direct flight
SL220
starting at $196
Bangkok — Kathmandu
11/09/2026
Departure
Direct flight
SL220
starting at $196
Bangkok — Kathmandu
10/28/2026
Departure
Direct flight
SL220
starting at $197
Bangkok — Kathmandu
12/09/2026
Departure
Direct flight
SL220
starting at $198
Bangkok — Kathmandu
02/26/2027
Departure
Direct flight
SL220
starting at $198
Bangkok — Kathmandu
02/10/2027
Departure
Direct flight
SL220
starting at $199
Thai Airways
Su, Mo, Tu, We, Th, and Sa
starting at $213
Royal Nepal Airlines
Mo and We
starting at $213
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.
The cheapest flight ticket from Bangkok to Kathmandu according to data for the last 48 hours costs $175
Often the best time to buy tickets from Bangkok to Kathmandu is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Bangkok to Kathmandu can be found flying in these months: June, December, November.
The fastest flights from Bangkok to Kathmandu start from 3 hours 20 minutes in the air.
The following airlines operate direct flights on the route Bangkok — Kathmandu: Thai Lion Air
The minimum one-way ticket price from Bangkok to Kathmandu is $156 (June 2027), while the maximum is $212 (April 2027). On average, a ticket costs $184–$387.
On the Bangkok — Kathmandu route, prices first decline, hit a low, then start rising again. The middle of the period creates a price window — the best time to book.
Prices fall from September 2026 to December 2026 (20%), then rise from December 2026 to April 2027 (+35%). The best period is November 2026–December 2026 ($158), the most expensive is March 2027–April 2027 ($204).
The best time to buy is November 2026–December 2026, when prices are at their lowest. This can save you up to 23% compared to the expensive months (March 2027–April 2027).
Monthly price variation is 10.8%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.
We couldn't find any special offers for flights from Bangkok to Kathmandu