What is the cheapest airline that flies from Kathmandu Tribhuvan to Southeast Asia?

Thai Lion Air, Thai AirAsia, and Nepal Airlines are the most popular carriers operating from Kathmandu Tribhuvan to Southeast Asia

How many flights depart from Kathmandu to Southeast Asia on average per day?

As of September 2025, there are 6 flights per day flying from Kathmandu to Southeast Asia. The most common time of day flights depart is 1:00PM, with 58% of flights taking off in the evening.

How many flights depart from Kathmandu to Southeast Asia on average per week?

As of September 2025, there are 42 flights per week flying from Kathmandu to Southeast Asia. The most common day of the week flights depart is Mon, with 21% of flights taking off on this day.

What airlines fly to Southeast Asia?

Thai AirAsia, Thai Airways and Thai Lion Air are the top three most popular airlines that fly to Southeast Asia from Kathmandu according to our data. Thai AirAsia is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Southeast Asia. Keep in mind that there are 9 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Southeast Asia?

Prices for flights from Kathmandu Tribhuvan Airport to Southeast Asia are updated daily.

How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Southeast Asia?

There are 10 operators available for flights from Kathmandu Tribhuvan Airport to Southeast Asia as of September 2025.

How old do you have to be to fly from Kathmandu Tribhuvan Airport to Southeast Asia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kathmandu Tribhuvan Airport to Southeast Asia.

What documentation or ID do you need to fly to Southeast Asia?

The travel and health documents required for your trip to Southeast Asia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southeast Asia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$123 Cheap Flights from Kathmandu to Southeast Asia in 2025/26

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Find the cheapest flights from Kathmandu to Southeast Asia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:00 pm - 7:35 pmKTM-DMK

3h 20mnonstop

11:50 am - 2:00 pmDMK-KTM

3h 25mnonstop

$229Thai AirAsia

Find Deal

Sat, Oct 18 - Mon, Oct 27

3:00 pm - 7:35 pmKTM-DMK

3h 20mnonstop

12:00 pm - 2:00 pmDMK-KTM

3h 15mnonstop

$230Thai AirAsia

Find Deal

Thu, Oct 16 - Thu, Oct 23

2:50 pm - 7:20 pmKTM-DMK

3h 15mnonstop

12:00 pm - 2:00 pmDMK-KTM

3h 15mnonstop

$231Multiple Airlines

Find Deal

Sun, Oct 19 - Sat, Oct 25

12:25 am - 5:10 amKTM-BKK

3h 30mnonstop

9:15 pm - 11:25 pmBKK-KTM

3h 25mnonstop

$320Thai Airways

Find Deal

Mon, Dec 8 - Sun, Dec 14

12:25 am - 5:10 amKTM-BKK

3h 30mnonstop

10:15 am - 12:25 pmBKK-KTM

3h 25mnonstop

$322Thai Airways

Find Deal

Tue, Feb 10 - Thu, Feb 19

7:35 am - 8:55 pmKTM-KUL

11h 05m1 stop

8:05 am - 11:00 pmKUL-KTM

17h 10m1 stop

$335Air India

Find Deal

Tue, Mar 10 - Fri, Mar 13

5:30 pm - 4:55 pmKTM-BKK

22h 10m1 stop

3:15 pm - 11:45 pmBKK-KTM

9h 45m1 stop

$384Air India

Find Deal

Tue, Oct 7 - Fri, Oct 17

10:45 pm - 5:45 amKTM-KUL

4h 45mnonstop

7:15 pm - 9:45 pmKUL-KTM

4h 45mnonstop

$459Malaysia Airlines

Find Deal

Tue, Feb 10 - Thu, Feb 26

10:45 pm - 5:45 amKTM-KUL

4h 45mnonstop

7:15 pm - 9:45 pmKUL-KTM

4h 45mnonstop

$520Malaysia Airlines

Find Deal

Tue, Mar 10 - Fri, Mar 13

11:05 pm - 3:45 pmKTM-MNL

14h 25m1 stop

7:20 am - 9:50 pmMNL-KTM

16h 45m1 stop

$650Singapore Airlines

Find Deal

Fri, Oct 3 - Sat, Dec 20

Biman Bangladesh flights from Kathmandu to Southeast Asia

Our best Biman Bangladesh deals on Kathmandu to Southeast Asia flight tickets

Biman Bangladesh

Oct 25

KTM3:00 pmKathmandu Tribhuvan

22h 45m

1 stop

BKK3:00 pmBangkok Suvarnabhumi

Nov 4

BKK4:15 pmBangkok Suvarnabhumi

24h 00m

1 stop

KTM3:00 pmKathmandu Tribhuvan

$389

Find similar

Biman Bangladesh

Oct 18

KTM3:00 pmKathmandu Tribhuvan

22h 45m

1 stop

BKK3:00 pmBangkok Suvarnabhumi

Oct 25

BKK4:15 pmBangkok Suvarnabhumi

24h 00m

1 stop

KTM3:00 pmKathmandu Tribhuvan

$396

Find similar

Biman Bangladesh

Oct 28

KTM4:00 pmKathmandu Tribhuvan

21h 45m

1 stop

BKK3:00 pmBangkok Suvarnabhumi

Nov 6

BKK4:15 pmBangkok Suvarnabhumi

24h 00m

1 stop

KTM3:00 pmKathmandu Tribhuvan

$404

Find similar

Nepal Airlines flights from Kathmandu to Southeast Asia

Our best Nepal Airlines deals on Kathmandu to Southeast Asia flight tickets

Nepal Airlines

Sep 19

KTM11:10 amKathmandu Tribhuvan

3h 20m

BKK3:45 pmBangkok Suvarnabhumi

Sep 22

BKK4:45 pmBangkok Suvarnabhumi

3h 30m

KTM7:00 pmKathmandu Tribhuvan

$331

Find similar

Nepal Airlines

Sep 19

KTM11:10 amKathmandu Tribhuvan

3h 20m

BKK3:45 pmBangkok Suvarnabhumi

Sep 22

BKK4:45 pmBangkok Suvarnabhumi

3h 30m

KTM7:00 pmKathmandu Tribhuvan

$337

Find similar

Nepal Airlines

Oct 1

KTM11:10 amKathmandu Tribhuvan

3h 20m

BKK3:45 pmBangkok Suvarnabhumi

Oct 31

BKK4:45 pmBangkok Suvarnabhumi

3h 30m

KTM7:00 pmKathmandu Tribhuvan

$340

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Kathmandu to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Sat 10/18

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Mon 10/27

11:50 am-2:00 pm

Nonstop3h 25m

$229

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Thu 10/16

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Thu 10/23

12:00 pm-2:00 pm

Nonstop3h 15m

$230

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Sun 10/19

2:50 pm-7:20 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

Sat 10/25

12:00 pm-2:00 pm

Nonstop3h 15m

$231

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 12/8

12:25 am-5:10 am

Nonstop3h 30m

Bangkok Suvarnabhumi

Sun 12/14

9:15 pm-11:25 pm

Nonstop3h 25m

$320

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 2/10

12:25 am-5:10 am

Nonstop3h 30m

Bangkok Suvarnabhumi

Thu 2/19

10:15 am-12:25 pm

Nonstop3h 25m

$322

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Tue 3/10

7:35 am-8:55 pm

1 stop11h 05m

Kuala Lumpur Intl

Fri 3/13

8:05 am-11:00 pm

1 stop17h 10m

$335

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 10/7

5:30 pm-4:55 pm

1 stop22h 10m

Bangkok Suvarnabhumi

Fri 10/17

3:15 pm-11:45 pm

1 stop9h 45m

$384

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Tue 2/10

10:45 pm-5:45 am

Nonstop4h 45m

Kuala Lumpur Intl

Thu 2/26

7:15 pm-9:45 pm

Nonstop4h 45m

$459

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Tue 3/10

10:45 pm-5:45 am

Nonstop4h 45m

Kuala Lumpur Intl

Fri 3/13

7:15 pm-9:45 pm

Nonstop4h 45m

$520

KathmanduManila

KTM - MNL

KTMMNL

Kathmandu Tribhuvan

Fri 10/3

11:05 pm-3:45 pm

1 stop14h 25m

Manila Ninoy Aquino Intl

Sat 12/20

7:20 am-9:50 pm

1 stop16h 45m

$650

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Kathmandu to Southeast Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Southeast Asia?

The month of July is, on average, the cheapest month to fly to Southeast Asia from Kathmandu, with most prices found around $246. If you don’t want to visit Southeast Asia in July, then you should wait until August to fly from Kathmandu, when ticket prices are also cheap, with an average price of $258.

What is the cheapest day to depart on your flight to Southeast Asia?

The cheapest day to depart from Kathmandu to Southeast Asia is on a Wednesday when prices can be found for as low as $506. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $641. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

What is the cheapest time of day to depart on your flight to Southeast Asia?

In the afternoon is the cheapest time of day to fly from Kathmandu to Southeast Asia when you can find flight prices for as low as $268. Flying to Southeast Asia in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $612. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Kathmandu Tribhuvan to Southeast Asia flight route?

Fly from Kathmandu Tribhuvan to Bangkok Suvarnabhumi for the best Kathmandu Tribhuvan - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

You are more likely to see cheaper flights to Southeast Asia from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Kathmandu for as low as $235 on momondo.

What cabin class options are available on Kathmandu Tribhuvan to Southeast Asia flights?

There are 4 cabin classes available to choose from on Kathmandu Tribhuvan to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kathmandu to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between Kathmandu to Southeast Asia.

Cheap Kathmandu to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Southeast Asia

Fastest flight time	3h 15m
Direct flights	Every day
Airports in Southeast Asia	2 airports

The fastest flight from Kathmandu to Southeast Asia takes 3h 15m

Direct flights go from Kathmandu to Southeast Asia every day.

There are 2 airports near Southeast Asia: Bangkok Don Mueang Intl (DMK), Bangkok Suvarnabhumi (BKK)

Search flight deals

When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Southeast Asia?
Prices for flights from Kathmandu Tribhuvan Airport to Southeast Asia are updated daily.
How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Southeast Asia?
There are 10 operators available for flights from Kathmandu Tribhuvan Airport to Southeast Asia as of September 2025.
How old do you have to be to fly from Kathmandu Tribhuvan Airport to Southeast Asia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kathmandu Tribhuvan Airport to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The travel and health documents required for your trip to Southeast Asia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southeast Asia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Kathmandu to Southeast Asia?
momondo data reveals that the most frequently booked plane model on the route from Kathmandu to Southeast Asia is Airbus A320-100/200, representing 21.06% of all bookings. The subsequent popular models are Airbus A320neo at 14.67%, Boeing 737 MAX 8 at 8.68%, and Airbus A330-200 at 7.87%.

Best airlines flying from Kathmandu to Southeast Asia

Compare and see reviews for airlines that fly from Kathmandu to Southeast Asia with momondo

Airline	Rating	Free Cancellation	Price
Thai Lion Air	PriceFrom $128	Free Cancellation	Rating 7.3 27 reviews	Search Thai Lion Air flights
Thai AirAsia	PriceFrom $173	Free Cancellation	Rating 7.5 216 reviews	Search Thai AirAsia flights
Air India	PriceFrom $280	Free Cancellation	Rating 5.5 2,930 reviews	Search Air India flights
Nepal Airlines	PriceFrom $283	Free Cancellation	Rating 5.8 11 reviews	Search Nepal Airlines flights
Thai Airways	PriceFrom $328	Free Cancellation	Rating 7.8 350 reviews	Search Thai Airways flights
Biman Bangladesh	PriceFrom $340	Free Cancellation	Rating 6.7 23 reviews	Search Biman Bangladesh flights
Malaysia Airlines	PriceFrom $375	Free Cancellation	Rating 7.3 278 reviews	Search Malaysia Airlines flights
Singapore Airlines	PriceFrom $405	Free Cancellation	Rating 8.1 1,365 reviews	Search Singapore Airlines flights
China Southern	PriceFrom $560	Free Cancellation	Rating 7.5 110 reviews	Search China Southern flights

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Southeast Asia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kathmandu to Southeast Asia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Kathmandu to Southeast Asia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Southeast Asia from Kathmandu with this policy.

How can momondo help me find flights from Kathmandu to Southeast Asia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southeast Asia from Kathmandu.

I’m not ready to book a flight from Kathmandu to Southeast Asia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Southeast Asia, momondo offers a useful price alert feature which will track prices for flights to Southeast Asia from Kathmandu and alert you when they change.

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

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Find better results for your trip to Southeast Asia

Popular cities in Southeast Asia

Flights to New Yorkfrom $49

Flights to Londonfrom $318

Flights to Bangkokfrom $508

Flights to Tokyofrom $374

Flights to Los Angelesfrom $49

Flights to Parisfrom $360

Flights to Copenhagenfrom $369

Flights to Istanbulfrom $397

Flights to Manilafrom $523

Flights to Romefrom $340

Flights to Miamifrom $49

Flights to Chicagofrom $49

Cheap flights from Kathmandu to Southeast Asia from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Southeast Asia departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Kathmandu to Southeast Asia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Biman Bangladesh flights from Kathmandu to Southeast Asia

Our best Biman Bangladesh deals on Kathmandu to Southeast Asia flight tickets

Nepal Airlines flights from Kathmandu to Southeast Asia

Our best Nepal Airlines deals on Kathmandu to Southeast Asia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Kathmandu to Southeast Asia that are best for you.

See travel insights to Southeast Asia from

How to get the cheapest flight ticket from Kathmandu to Southeast Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Southeast Asia?

What is the cheapest day to depart on your flight to Southeast Asia?

What is the cheapest time of day to depart on your flight to Southeast Asia?

What is the cheapest Kathmandu Tribhuvan to Southeast Asia flight route?

Fly from Kathmandu Tribhuvan to Bangkok Suvarnabhumi for the best Kathmandu Tribhuvan - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

What cabin class options are available on Kathmandu Tribhuvan to Southeast Asia flights?

There are 4 cabin classes available to choose from on Kathmandu Tribhuvan to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kathmandu to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between Kathmandu to Southeast Asia.

What is the cheapest airline that flies from Kathmandu Tribhuvan to Southeast Asia?

Thai Lion Air, Thai AirAsia, and Nepal Airlines are the most popular carriers operating from Kathmandu Tribhuvan to Southeast Asia

What airlines fly to Southeast Asia?

How many flights depart from Kathmandu to Southeast Asia on average per day?

As of September 2025, there are 6 flights per day flying from Kathmandu to Southeast Asia. The most common time of day flights depart is 1:00PM, with 58% of flights taking off in the evening.

How many flights depart from Kathmandu to Southeast Asia on average per week?

As of September 2025, there are 42 flights per week flying from Kathmandu to Southeast Asia. The most common day of the week flights depart is Mon, with 21% of flights taking off on this day.

Cheap Kathmandu to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Southeast Asia

Fastest flight time

Direct flights

Airports in Southeast Asia

When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Southeast Asia?

How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Southeast Asia?

How old do you have to be to fly from Kathmandu Tribhuvan Airport to Southeast Asia?

What documentation or ID do you need to fly to Southeast Asia?

What is the most popular plane model from Kathmandu to Southeast Asia?

Best airlines flying from Kathmandu to Southeast Asia

Compare and see reviews for airlines that fly from Kathmandu to Southeast Asia with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Southeast Asia?

Can I find flights from Kathmandu to Southeast Asia with flexible booking policies on momondo?

How can momondo help me find flights from Kathmandu to Southeast Asia?

I’m not ready to book a flight from Kathmandu to Southeast Asia right now. Can momondo alert me if prices change?

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Southeast Asia

Popular cities in Southeast Asia

Popular flights according to clicks in the last 7 days on momondo