159€ Find Cheap Flights from Kathmandu to Bangkok – Compare and Save

Among airlines operating Kathmandu to Bangkok Suvarnabhumi Airport flights:

• Thai Airways: offers free seat selection

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

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

• Thai Airways
• Nepal Airlines
• Himalaya Airlines

Flights from Kathmandu to Bangkok Suvarnabhumi Airport usually depart from Kathmandu Tribhuvan (KTM) and arrive at Bangkok Suvarnabhumi (BKK).

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
• 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.

Only Economy class is available on flights from Kathmandu to Bangkok Suvarnabhumi Airport.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average 296 € return via Colombo Bandaranaike Intl (CMB), compared with 316 € for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge 18 €–86 € for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A320-100/200 family is used most often on this route, operated mainly by Thai Airways and Nepal Airlines. Other aircraft seen on the route include Airbus A330-300 variants.

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

• New Delhi Indira Gandhi Intl (DEL) – 58% of one-stop connections
• Colombo Bandaranaike Intl (CMB) – 32% 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.

Yes. Being flexible with your travel dates can save you up to 10% on the Kathmandu to Bangkok Suvarnabhumi Airport route. Monday is the cheapest departure day at 307 € return on average, while Tuesday is the most expensive at 341 €, a difference of 34 €. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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 Suvarnabhumi Airport route, 31% of flights were delayed in the past 3 months, with delays averaging 2 hours 9 minutes.

Afternoon is the busiest departure period on Kathmandu to Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport are Bangkok City Centre, Pratunam, and Thanon Khao San. These are among the most viewed places in Bangkok Suvarnabhumi Airport on KAYAK.

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

• Earliest: departs at 0:25 and lands at 3:54
• Latest: departs at 13:30 and lands at 16:59.

The flight takes about 3h 29m.

Last-minute fares on this route (booked within 2 weeks of departure) run 13% above the route average of 315 €. Book 21 weeks before departure for the lowest fares.

A direct flight from Kathmandu to Bangkok Suvarnabhumi Airport takes 3h 29m, covering 3.585 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 300 € to 2.150 €. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Kathmandu to Bangkok Suvarnabhumi Airport are currently lower than usual. Average one-way flight prices are about 178 €, which is 13% below the typical average for this route.

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

Bangkok Suvarnabhumi Airport (BKK) hosts 5 major car hire companies, with daily rates starting from around 12 € for economy cars. Top options include:
• Drive Car Rental
• Alamo
• Sixt
• Yesaway
• Hertz

Return flights from Kathmandu to Bangkok Suvarnabhumi Airport range from 290 € to 369 €, with an average of 315 € over the past 12 months. Anything below 290 € counts as a good deal.