฿5,807 Find Cheap Flights from Kathmandu to Bangkok – Compare and Save

Among airlines operating Kathmandu to Bangkok flights:

• Thai Airways: offers free seat selection
• Thai Lion Air: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

4 airlines operate flights between Kathmandu and Bangkok. The airlines offering direct flights on this route include:

• Thai Airways
• Thai Lion Air
• Nepal Airlines
• Himalaya Airlines

Flights from Kathmandu to Bangkok usually depart from Kathmandu Tribhuvan (KTM) and may arrive at several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK).

Here are some options for this route, based on selected ticket types and cabin classes:

• Thai Airways: a cabin bag and a checked bag in Economy class
• Thai Lion Air: a cabin bag and a checked bag in Economy class
• Nepal Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Two cabin classes are available on flights from Kathmandu to Bangkok:

• Economy class
• Business Class

On this route, direct flights are cheaper than stopover options on average. Direct fares average ฿9,659 return, compared with ฿11,367 via a stopover through Colombo Bandaranaike Intl (CMB).

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿660–฿3,299 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

One-stop flights from Kathmandu to Bangkok most commonly connect through:

• New Delhi Indira Gandhi Intl (DEL) – 59% of one-stop connections
• Colombo Bandaranaike Intl (CMB) – 31% of one-stop connections
• Dhaka Hazrat Shahjalal Intl (DAC) – 6% of one-stop connections
• Singapore Changi (SIN) – 4% of one-stop connections

New Delhi Indira Gandhi Intl (DEL) handles the largest share of one-stop connections on this route.

On the Kathmandu to Bangkok route, being flexible with your departure day can save you up to 23%. Sunday is the cheapest day at ฿9,403 return on average, while Tuesday is the most expensive at ฿12,141 – a ฿2,738 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Kathmandu to Bangkok route, 36% of flights were delayed in the past 3 months, with delays averaging 2 hours 3 minutes.

Afternoon is the busiest departure period on Kathmandu to Bangkok flights, with 50% leaving in that window. Night departures account for 50%, Morning flights for 0%, and Evening flights for 0%.

Some of the most popular sights in Bangkok are Victory Monument, Thammasat University, and Centralworld. These are among the most viewed places in Bangkok on KAYAK.

These are the earliest and latest flight times available from Kathmandu to Bangkok:

• Earliest: departs at 00:25 and lands at 03:53
• Latest: departs at 15:05 and lands at 18:33.

The flight takes about 3h 28m.

Last-minute fares on this route (booked within 2 weeks of departure) run 20% above the route average of ฿9,710. Book 16 weeks before departure for the lowest fares.

A direct flight from Kathmandu to Bangkok takes 3h 28m, covering 3,550 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿11,218 to ฿70,762. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Kathmandu to Bangkok are currently in line with typical prices for this route. Average one-way fares are about ฿5,955.

Thai Airways is slightly above the route average for timely arrivals, while แอร์เอเชีย has a lower on-time arrival rate. On-time arrival rates on Kathmandu to Bangkok flights are:

• Thai Airways: 76% on time
• แอร์เอเชีย: 57% on time
• Nepal Airlines: 41% on time

On average, flights on this route are punctual 64% of the time.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Singapore Changi (SIN) gives the shortest average 1-stop total travel time of 10h 07m, compared to 10h 23m via New Delhi Indira Gandhi Intl (DEL) and 21h 59m via Dhaka Hazrat Shahjalal Intl (DAC).

Bangkok is 1 hour ahead of Kathmandu (Indochina Time vs Nepal Time). Plan for the time shift when scheduling connections or first-day activities.

Since Bangkok is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Bangkok Suvarnabhumi Airport (BKK) – daily rates from around ฿443:

• Drive Car Rental
• Alamo
• Sixt
• Yesaway
• Hertz

Near Bangkok Don Mueang Intl Airport (DMK) – daily rates from around ฿224:

• Drive Car Rental
• Alamo
• THAIRENTACAR
• Enterprise Rent-A-Car
• Chic Car Rent

Return flights from Kathmandu to Bangkok range from ฿7,887 to ฿12,782, with an average of ฿9,710 over the past 12 months. Anything below ฿7,887 counts as a good deal.