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

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

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 46% of people opting to fly with this airline when traveling to Southeast Asia. Keep in mind that there are 8 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

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

As of November 2025, there are 7 flights per day flying from Kathmandu to Southeast Asia. The most common time of day flights depart is 1:00PM, with 59% of flights taking off in the afternoon.

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

As of November 2025, there are 55 flights per week flying from Kathmandu to Southeast Asia. The most common day of the week flights depart is Fri, with 18% of flights taking off on this day.

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 9 operators available for flights from Kathmandu Tribhuvan Airport to Southeast Asia as of November 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.

$128 Cheap Flights from Kathmandu to Southeast Asia in 2025/26

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:10 pm - 7:40 pmKTM-DMK

3h 15mnonstop

11:45 am - 2:10 pmDMK-KTM

3h 40mnonstop

$215Thai AirAsia

Find Deal

Sun, Dec 28 - Mon, Jan 5

3:10 pm - 7:40 pmKTM-DMK

3h 15mnonstop

11:45 am - 2:10 pmDMK-KTM

3h 40mnonstop

$216Thai AirAsia

Find Deal

Mon, Dec 29 - Mon, Jan 5

6:30 am - 8:55 pmKTM-KUL

12h 10m1 stop

10:40 pm - 6:35 amKUL-KTM

10h 10m1 stop

$311Air India

Find Deal

Mon, Apr 20 - Tue, May 5

10:20 pm - 7:00 amKTM-KUL

30h 25m1 stop

10:40 pm - 4:30 pmKUL-KTM

20h 05m1 stop

$318Air India

Find Deal

Wed, Nov 19 - Sat, Dec 20

1:30 pm - 6:15 pmKTM-BKK

3h 30mnonstop

9:15 pm - 11:25 pmBKK-KTM

3h 25mnonstop

$348Thai Airways

Find Deal

Mon, Dec 1 - Mon, Dec 8

1:30 pm - 6:15 pmKTM-BKK

3h 30mnonstop

9:15 pm - 11:25 pmBKK-KTM

3h 25mnonstop

$351Thai Airways

Find Deal

Sun, Dec 7 - Mon, Dec 8

1:00 pm - 8:10 pmKTM-KUL

4h 55mnonstop

6:45 pm - 9:15 pmKUL-KTM

4h 45mnonstop

$392Malaysia Airlines

Find Deal

Sat, Jan 17 - Thu, Jan 22

10:30 pm - 5:30 amKTM-KUL

4h 45mnonstop

9:20 am - 12:00 pmKUL-KTM

4h 55mnonstop

$417Malaysia Airlines

Find Deal

Thu, Dec 18 - Sat, Feb 28

11:00 pm - 6:15 amKTM-SIN

5h 00mnonstop

6:55 pm - 9:50 pmSIN-KTM

5h 10mnonstop

$451Singapore Airlines

Find Deal

Wed, Jan 14 - Wed, Jan 21

11:00 pm - 6:15 amKTM-SIN

5h 00mnonstop

7:05 pm - 10:00 pmSIN-KTM

5h 10mnonstop

$467Singapore Airlines

Find Deal

Wed, Dec 17 - Wed, Dec 24

SriLankan Airlines flights from Kathmandu to Southeast Asia

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

SriLankan Airlines

Jan 22

KTM12:50 pmKathmandu Tribhuvan

16h 15m

1 stop

BKK6:20 amBangkok Suvarnabhumi

Jan 27

BKK1:55 pmBangkok Suvarnabhumi

24h 00m

1 stop

KTM12:40 pmKathmandu Tribhuvan

$311

Find similar

SriLankan Airlines

Jan 15

KTM12:50 pmKathmandu Tribhuvan

22h 30m

1 stop

BKK12:35 pmBangkok Suvarnabhumi

Jan 20

BKK1:55 pmBangkok Suvarnabhumi

24h 00m

1 stop

KTM12:40 pmKathmandu Tribhuvan

$319

Find similar

SriLankan Airlines

Jan 22

KTM12:50 pmKathmandu Tribhuvan

10h 55m

1 stop

BKK1:00 amBangkok Suvarnabhumi

Feb 1

BKK9:00 amBangkok Suvarnabhumi

28h 05m

1 stop

KTM11:50 amKathmandu Tribhuvan

$323

Find similar

Nepal Airlines flights from Kathmandu to Southeast Asia

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

Nepal Airlines

Nov 26

KTM11:10 amKathmandu Tribhuvan

3h 20m

BKK3:45 pmBangkok Suvarnabhumi

Dec 3

BKK4:45 pmBangkok Suvarnabhumi

3h 30m

KTM7:00 pmKathmandu Tribhuvan

$315

Find similar

Nepal Airlines

Nov 24

KTM11:10 amKathmandu Tribhuvan

3h 20m

BKK3:45 pmBangkok Suvarnabhumi

Dec 3

BKK4:45 pmBangkok Suvarnabhumi

3h 30m

KTM7:00 pmKathmandu Tribhuvan

$316

Find similar

Nepal Airlines

Nov 14

KTM11:10 amKathmandu Tribhuvan

3h 20m

BKK3:45 pmBangkok Suvarnabhumi

Nov 21

BKK4:45 pmBangkok Suvarnabhumi

3h 30m

KTM7:00 pmKathmandu Tribhuvan

$317

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Sun 12/28

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

Mon 1/5

11:45 am-2:10 pm

Nonstop3h 40m

$215

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Mon 12/29

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

Mon 1/5

11:45 am-2:10 pm

Nonstop3h 40m

$216

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Mon 4/20

6:30 am-8:55 pm

1 stop12h 10m

Kuala Lumpur Intl

Tue 5/5

10:40 pm-6:35 am

1 stop10h 10m

$311

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Wed 11/19

10:20 pm-7:00 am

1 stop30h 25m

Kuala Lumpur Intl

Sat 12/20

10:40 pm-4:30 pm

1 stop20h 05m

$318

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 12/1

1:30 pm-6:15 pm

Nonstop3h 30m

Bangkok Suvarnabhumi

Mon 12/8

9:15 pm-11:25 pm

Nonstop3h 25m

$348

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 12/7

1:30 pm-6:15 pm

Nonstop3h 30m

Bangkok Suvarnabhumi

Mon 12/8

9:15 pm-11:25 pm

Nonstop3h 25m

$351

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Sat 1/17

1:00 pm-8:10 pm

Nonstop4h 55m

Kuala Lumpur Intl

Thu 1/22

6:45 pm-9:15 pm

Nonstop4h 45m

$392

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Thu 12/18

10:30 pm-5:30 am

Nonstop4h 45m

Kuala Lumpur Intl

Sat 2/28

9:20 am-12:00 pm

Nonstop4h 55m

$417

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 1/14

11:00 pm-6:15 am

Nonstop5h 00m

Singapore Changi

Wed 1/21

6:55 pm-9:50 pm

Nonstop5h 10m

$451

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Wed 12/17

11:00 pm-6:15 am

Nonstop5h 00m

Singapore Changi

Wed 12/24

7:05 pm-10:00 pm

Nonstop5h 10m

$467

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 $247. 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 Friday when prices can be found for as low as $498. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $636. 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 $262. 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 $605. 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 Don Mueang Intl 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 $304 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 $238 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	Mon, Tue, Thu and Sat
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 on Monday, Tuesday, Thursday and Saturday. There are no airlines offering direct flights.

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 9 operators available for flights from Kathmandu Tribhuvan Airport to Southeast Asia as of November 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 16.58% of all bookings. The subsequent popular models are Airbus A320neo at 14.53%, Airbus A330-300 at 8.51%, and Boeing 737 MAX 8 at 8.47%.

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 AirAsia	PriceFrom $109	Free Cancellation	Rating 7.5 217 reviews	Search Thai AirAsia flights
Thai Lion Air	PriceFrom $126	Free Cancellation	Rating 0.0 0 reviews	Search Thai Lion Air flights
Air India	PriceFrom $280	Free Cancellation	Rating 5.5 2,940 reviews	Search Air India flights
Nepal Airlines	PriceFrom $280	Free Cancellation	Rating 0.0 0 reviews	Search Nepal Airlines flights
Thai Airways	PriceFrom $327	Free Cancellation	Rating 7.8 361 reviews	Search Thai Airways flights
Malaysia Airlines	PriceFrom $375	Free Cancellation	Rating 7.3 278 reviews	Search Malaysia Airlines flights
Singapore Airlines	PriceFrom $400	Free Cancellation	Rating 8.1 1,391 reviews	Search Singapore Airlines flights
Cathay Pacific	PriceFrom $547	Free Cancellation	Rating 7.6 1,045 reviews	Search Cathay Pacific 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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Popular cities in Southeast Asia

Flights to New Yorkfrom $49

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Flights to Los Angelesfrom $49

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Flights to Copenhagenfrom $360

Flights to Istanbulfrom $376

Flights to Manilafrom $521

Flights to Romefrom $321

Flights to Miamifrom $49

Flights to Chicagofrom $54

Cheap flights from Kathmandu to Southeast Asia from $128

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 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Kathmandu to Southeast Asia

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SriLankan Airlines flights from Kathmandu to Southeast Asia

Our best SriLankan Airlines 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

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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

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 Don Mueang Intl 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 AirAsia, Thai Lion Air, and SriLankan 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 November 2025, there are 7 flights per day flying from Kathmandu to Southeast Asia. The most common time of day flights depart is 1:00PM, with 59% of flights taking off in the afternoon.

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

As of November 2025, there are 55 flights per week flying from Kathmandu to Southeast Asia. The most common day of the week flights depart is Fri, with 18% 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