How long is the flight from Kathmandu to Southeast Asia?

Airlines like Air India and Singapore Airlines fly from Kathmandu to Southeast Asia in about 17h 40m. The time it takes to get you to your destination can typically vary by up to 10h. There are 5164 km between Kathmandu and Southeast Asia. Both multi-stop and direct flights can be found to your destination and back. Find deals

What are the cheapest airlines to fly from Kathmandu to Southeast Asia one-way?

$129 is the cheapest one-way deal found within the past few days, from Thai AirAsia. You may also be able to find cheap deals on Thai Lion Air and Nepal Airlines, with prices starting from $144 and $230, respectively. Find deals

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

What are the cheapest flights from Kathmandu to Southeast Asia?

The cheapest flight price from Kathmandu to Southeast Asia is $564. On average you can expect to pay $1,447. The most popular route, (Kathmandu Tribhuvan - Denpasar Bali Ngurah Rai), can usually be booked for $961.

What are the most popular airlines that fly from Kathmandu to Southeast Asia?

When booking a flight from Kathmandu to Southeast Asia, you may want to consider flying on Thai Airways, Thai AirAsia or Singapore Airlines as they are the most popular for this route.

What airport do you fly from for flights from Kathmandu to Southeast Asia?

If you book a flight to Southeast Asia from Kathmandu, you will be flying from Tribhuvan, which is the city’s only airport. Kathmandu Tribhuvan (KTM) is located 4.1 km from the centre of Kathmandu.

Can I find deals for flights from Kathmandu to Southeast Asia that include hotel bookings?

Yes. In addition to deals on Kathmandu to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Kathmandu to Southeast Asia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Southeast Asia.

Can I find deals for business class flights from Kathmandu to Southeast Asia?

Yes. Cheapflights offers flight deals from Kathmandu to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$504+ Cheap Flights from Kathmandu to Southeast Asia

Cheap flight deals from Kathmandu to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Kathmandu to Southeast Asia
Explore the most affordable flight options available from Kathmandu to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 June 2026.

Sat 18/722:50

KTM

DPS

1 stop23h 05m

Singapore Airlines

Fri 24/710:05

DPS

KTM

1 stop13h 40m

Singapore Airlines

Deal found 6/6$748

Tue 14/707:35

KTM

DPS

1 stop27h 40m

Air India

Mon 20/708:25

DPS

KTM

1 stop24h 25m

Air India

Deal found 3/6$773

Sun 6/1222:45

KTM

DPS

1 stop14h 25m

Malaysia Airlines

Tue 22/1219:15

DPS

KTM

1 stop19h 00m

Malaysia Airlines

Deal found 5/6$786

Mon 14/1222:45

KTM

DPS

1 stop17h 25m

Malaysia Airlines

Sun 20/1219:15

DPS

KTM

1 stop19h 00m

Malaysia Airlines

Deal found 3/6$791

Sun 6/1222:45

KTM

DPS

1 stop17h 25m

Malaysia Airlines

Mon 21/1219:15

DPS

KTM

1 stop28h 45m

Malaysia Airlines

Deal found 5/6$793

Mon 14/1222:45

KTM

DPS

1 stop14h 25m

Malaysia Airlines

Wed 16/1219:15

DPS

KTM

1 stop28h 45m

Malaysia Airlines

Deal found 3/6$798

Tue 8/1222:45

KTM

DPS

1 stop17h 25m

Malaysia Airlines

Tue 22/1219:15

DPS

KTM

1 stop19h 00m

Malaysia Airlines

Deal found 5/6$800

Fri 11/1222:45

KTM

DPS

1 stop17h 25m

Malaysia Airlines

Thu 17/1219:15

DPS

KTM

1 stop19h 00m

Malaysia Airlines

Deal found 3/6$805

Mon 14/1222:45

KTM

DPS

1 stop17h 25m

Malaysia Airlines

Fri 18/1213:10

DPS

KTM

1 stop10h 50m

Malaysia Airlines

Deal found 3/6$812

Thu 10/1222:45

KTM

DPS

1 stop17h 25m

Malaysia Airlines

Sun 20/1219:15

DPS

KTM

1 stop19h 00m

Malaysia Airlines

Deal found 5/6$815

Tue 8/1222:45

KTM

DPS

1 stop17h 25m

Malaysia Airlines

Mon 14/1219:15

DPS

KTM

1 stop19h 00m

Malaysia Airlines

Deal found 3/6$819

Find flight deals from Kathmandu to Southeast Asia

Round-trip from	$748
One-way from	$504
Popular in	May
Cheapest in	January
Average price	$406

Singapore Airlines
18/7-24/7
2 total stops
36h 45m total
Kathmandu to Southeast Asia

Search Deals

Thai Airways
25/11
1 total stop
11h 35m total
Kathmandu to Southeast Asia

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($101 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2026

Search Deals

Cheapflights 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

Cheapest return flight

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Tue 14/7

07:35-13:30

1 stop27h 40m

Denpasar Bali Ngurah Rai

Mon 20/7

08:25-06:35

1 stop24h 25m

$773

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Sun 16/8

22:50-18:45

1 stop17h 40m

Denpasar Bali Ngurah Rai

Mon 24/8

10:05-21:30

1 stop13h 40m

$860

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Wed 12/8

22:50-18:45

1 stop17h 40m

Denpasar Bali Ngurah Rai

Sat 15/8

07:15-21:30

1 stop16h 30m

$893

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Wed 8/7

22:50-18:45

1 stop17h 40m

Denpasar Bali Ngurah Rai

Sat 11/7

20:00-21:30

1 stop27h 45m

$918

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Tue 21/7

22:50-18:45

1 stop17h 40m

Denpasar Bali Ngurah Rai

Tue 28/7

21:40-21:30

1 stop26h 05m

$1,162

Fastest return journey

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Sun 5/7

21:25-12:00

1 stop12h 20m

Denpasar Bali Ngurah Rai

Fri 10/7

13:00-20:35

1 stop9h 50m

$1,411

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Sat 1/8

22:50-10:20

1 stop9h 15m

Denpasar Bali Ngurah Rai

Wed 5/8

01:05-21:30

1 stop22h 40m

$1,529

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Sat 18/7

16:35-23:55

2 stops29h 05m

Denpasar Bali Ngurah Rai

Thu 23/7

00:55-15:35

3 stops40h 55m

$1,612

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Tue 14/7

16:35-23:55

3 stops29h 05m

Denpasar Bali Ngurah Rai

Sun 19/7

00:55-15:35

3 stops40h 55m

$1,783

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Tue 30/6

16:35-22:05

2 stops27h 15m

Denpasar Bali Ngurah Rai

Mon 6/7

23:10-10:45

1 stop13h 50m

$2,647

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 17 resultsSorted by cheapest first

Best time to book a flight from Kathmandu to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Kathmandu with our price prediction graph.

KTM-DPS

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Southeast Asia

KTM-zzYJX

KTM-DPS

What is the cheapest month to book a flight from Kathmandu to Southeast Asia?

Currently, October is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of $141). Flying from Kathmandu to Southeast Asia in May is currently the most expensive (average of $351). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KTM to YJX?

It’s optimal to fly from Kathmandu to Southeast Asia in the morning. By choosing this option you can save up to 81% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Kathmandu to Southeast Asia

The most flights from KTM to zzYJX are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How far ahead should I book a flight from Kathmandu to Southeast Asia?

The best time to book flights from Kathmandu to Southeast Asia is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Southeast Asia

Read through reviews of airlines operating flights from Kathmandu to Southeast Asia, such as Singapore Airlines,Thai Airways, andMalaysia Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

1,534 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Singapore Airlines

8.2

Very Good

1,534 reviews

Singapore Airlines

8.2

Very Good

1,534 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Thai Airways

7.9

Good

405 reviews

Singapore Airlines

8.2

Very Good

1,534 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Malaysia Airlines

7.3

Good

310 reviews

Singapore Airlines

8.2

Very Good

1,534 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Batik Air

5.9

Fair

83 reviews

Singapore Airlines

8.2

Very Good

1,534 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Air India

5.5

Fair

2,959 reviews

Singapore Airlines

8.2

Very Good

1,534 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Related info for your journey

What airport do you fly from for flights from Kathmandu to Southeast Asia?
If you book a flight to Southeast Asia from Kathmandu, you will be flying from Tribhuvan, which is the city’s only airport. Kathmandu Tribhuvan (KTM) is located 4.1 km from the centre of Kathmandu.
How long is the flight from Kathmandu to Southeast Asia?
Airlines like Air India and Singapore Airlines fly from Kathmandu to Southeast Asia in about 17h 40m. The time it takes to get you to your destination can typically vary by up to 10h. There are 5164 km between Kathmandu and Southeast Asia. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Kathmandu to Southeast Asia one-way?
$129 is the cheapest one-way deal found within the past few days, from Thai AirAsia. You may also be able to find cheap deals on Thai Lion Air and Nepal Airlines, with prices starting from $144 and $230, respectively.
What are the cheapest flights from Kathmandu to Southeast Asia?
The cheapest flight price from Kathmandu to Southeast Asia is $564. On average you can expect to pay $1,447. The most popular route, (Kathmandu Tribhuvan - Denpasar Bali Ngurah Rai), can usually be booked for $961.
Can I find deals for flights from Kathmandu to Southeast Asia that include hotel bookings?
Yes. In addition to deals on Kathmandu to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Kathmandu to Southeast Asia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Southeast Asia.
Can I find deals for business class flights from Kathmandu to Southeast Asia?
Yes. Cheapflights offers flight deals from Kathmandu to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Kathmandu to Southeast Asia?
Currently, October is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of $141). Flying from Kathmandu to Southeast Asia in May is currently the most expensive (average of $351). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kathmandu to Southeast Asia

Kathmandu to New Delhi flights

Kathmandu to Denpasar flights

Top 6 airlines flying from Kathmandu to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
Thai AirAsia	Cheapest$174	Average$323	FlexibilityNo cancel fee	On-time87%	Search Thai AirAsia flights
Thai Lion Air	Cheapest$175	Average$351	FlexibilityNo cancel fee	On-timeN/A	Search Thai Lion Air flights
Nepal Airlines	Cheapest$405	Average$564	FlexibilityNo cancel fee	On-timeN/A	Search Nepal Airlines flights
Thai Airways	Cheapest$431	Average$658	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights
Singapore Airlines	Cheapest$597	Average$865	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Air India	Cheapest$647	Average$954	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights

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Cheapflights makes it easy to find Kathmandu to Southeast Asia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Kathmandu to Southeast Asia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southeast Asia from Kathmandu.

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Yes! Cheapflights helps users easily find flights from Kathmandu to Southeast Asia with no change fees.

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Cheap flights from Kathmandu to Southeast Asia from $504

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Kathmandu to Southeast Asia

Cheapest flights from Kathmandu to Southeast AsiaExplore the most affordable flight options available from Kathmandu to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 June 2026.

Explore the most affordable flight options available from Kathmandu to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 June 2026.

Best flights from Kathmandu to Southeast AsiaDiscover carefully curated flight deals from Kathmandu to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 June 2026.

Discover carefully curated flight deals from Kathmandu to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 June 2026.

Last-minute flights from Kathmandu to Southeast AsiaDiscover last-minute flight deals from Kathmandu to Southeast Asia. Data last updated 8 June 2026 and is based on user searches.

Discover last-minute flight deals from Kathmandu to Southeast Asia. Data last updated 8 June 2026 and is based on user searches.

One-way flights from Kathmandu to Southeast AsiaSearch for one-way flight options from Kathmandu to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 8 June 2026.

Search for one-way flight options from Kathmandu to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 8 June 2026.

Find flight deals from Kathmandu to Southeast Asia

Keep the following information in mind while searching for Kathmandu to Southeast Asia flight deals. Data was last updated 8 June 2026.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Kathmandu to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Kathmandu with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Southeast Asia

What is the cheapest month to book a flight from Kathmandu to Southeast Asia?

What is the cheapest time of day to fly from KTM to YJX?

Find hourly flight availability from Kathmandu to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 June 2026.

Weekly flight availability from Kathmandu to Southeast Asia

How far ahead should I book a flight from Kathmandu to Southeast Asia?

Reviews of airlines servicing Southeast Asia

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Kathmandu to Southeast Asia?

How long is the flight from Kathmandu to Southeast Asia?

What are the cheapest airlines to fly from Kathmandu to Southeast Asia one-way?

What are the cheapest flights from Kathmandu to Southeast Asia?

Can I find deals for flights from Kathmandu to Southeast Asia that include hotel bookings?

How can I find direct flights from Kathmandu to Southeast Asia?

Can I find deals for business class flights from Kathmandu to Southeast Asia?

What is the cheapest month to book a flight from Kathmandu to Southeast Asia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kathmandu to Southeast Asia

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Complete your trip

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Direct flights to

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Search flights from Kathmandu to Southeast Asia by cabin class

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Kathmandu and Southeast Asia flights

Browse other Kathmandu and Southeast Asia flight options. Last updated on 8 June 2026.

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Top 6 airlines flying from Kathmandu to Southeast Asia

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How does Cheapflights help users find flights from Kathmandu to Southeast Asia?

Why should you use Cheapflights to find cheap flight tickets from Kathmandu to Southeast Asia?

Can Cheapflights find flights from Kathmandu to Southeast Asia with no change fees?

Can Cheapflights notify me if prices for flights from Kathmandu to Southeast Asia become cheaper?

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Cheapest flights from Kathmandu to Southeast Asia
Explore the most affordable flight options available from Kathmandu to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 June 2026.

Best flights from Kathmandu to Southeast Asia
Discover carefully curated flight deals from Kathmandu to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 June 2026.

Last-minute flights from Kathmandu to Southeast Asia
Discover last-minute flight deals from Kathmandu to Southeast Asia. Data last updated 8 June 2026 and is based on user searches.

One-way flights from Kathmandu to Southeast Asia
Search for one-way flight options from Kathmandu to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 8 June 2026.