How long is the flight from Kathmandu to Southeast Asia?

Air India, Singapore Airlines, and Malaysia Airlines can get you from Kathmandu to Southeast Asia in just under 13h 05m. Your travel time can differ by up to 15h 55m. The distance between Kathmandu and Southeast Asia is about 3957 km. Both multi-stop and direct flights can be found to your destination and back.

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. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

What are the most popular routes from Kathmandu to Southeast Asia?

When deciding which route to take from Kathmandu to Southeast Asia consider Kathmandu Tribhuvan - Manila Ninoy Aquino Intl, Kathmandu Tribhuvan - Cebu City Mactan Intl or Kathmandu Tribhuvan - Boracay Godofredo P. Ramos as they are the most popular.

What are the cheapest flights from Kathmandu to Southeast Asia?

Looking at all options, your cheapest flight can be booked for ₱20,579. While the most popular route (Kathmandu Tribhuvan - Manila Ninoy Aquino Intl) can be booked for ₱35,262 on average, our data indicates ₱23,857 when flying from Kathmandu to Southeast Asia.

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

Kathmandu Tribhuvan (KTM) is the airport you will fly out of if you book a flight from Kathmandu to Southeast Asia. It is only a 4.1 km journey to Tribhuvan (KTM) from Kathmandu’s city center.

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 vacation 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.

₱20,831+ 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 September 15, 2026.

Wed 11/412:25 am -

1 stop12h 35m

Mon 11/95:15 pm -

1 stop8h 25m

Deal found 9/13₱34,509

Tue 11/312:25 am -

1 stop9h 15m

Wed 11/117:45 pm -

1 stop18h 55m

Deal found 9/12₱34,635

Sat 11/712:25 am -

1 stop12h 35m

Sat 11/145:15 pm -

1 stop8h 25m

Deal found 9/11₱34,698

Tue 12/2912:25 am -

1 stop12h 35m

Wed 1/135:15 pm -

1 stop8h 25m

Deal found 9/14₱35,200

Wed 12/3010:55 pm -

1 stop10h 10m

Wed 1/1312:35 pm -

1 stop11h 10m

Deal found 9/15₱35,262

Sun 12/1312:25 am -

1 stop12h 35m

Thu 12/315:15 pm -

1 stop8h 25m

Deal found 9/14₱35,451

Wed 10/2111:00 pm -

1 stop23h 00m

Sat 10/315:45 am -

1 stop18h 00m

Deal found 9/13₱35,764

Sun 10/1112:25 am -

1 stop9h 05m

Fri 11/135:15 pm -

1 stop8h 25m

Deal found 9/11₱36,078

Sat 10/246:30 am -

1 stop13h 05m

Mon 11/210:30 pm -

1 stop10h 20m

Deal found 9/12₱37,082

Fri 10/169:10 pm -

1 stop22h 25m

Wed 10/2110:55 pm -

1 stop12h 25m

Deal found 9/11₱37,145

Sat 10/176:30 am -

1 stop13h 05m

Sun 10/2510:30 pm -

1 stop26h 40m

Deal found 9/13₱38,211

Fri 10/3011:45 pm -

2 stops32h 00m

Fri 11/65:05 am -

2 stops57h 00m

Deal found 9/15₱53,270

Best flights from Kathmandu to Southeast Asia
Discover carefully curated flight deals from Kathmandu to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.

Sat 10/176:30 am -

1 stop13h 05m

Sun 10/2510:30 pm -

1 stop26h 40m

Deal found 9/14₱38,274

Wed 1/201:45 pm -

2 stops35h 30m

Wed 1/275:05 am -

1 stop17h 50m

Deal found 9/14₱39,654

Mon 10/1211:55 am -

2 stops34h 10m

Thu 11/122:55 am -

1 stop10h 15m

Deal found 9/15₱45,615

Thu 10/812:25 am -

1 stop16h 05m

Wed 11/45:15 pm -

1 stop8h 25m

Deal found 9/12₱46,368

Wed 1/2010:55 pm -

1 stop29h 00m

Wed 1/277:10 am -

1 stop16h 55m

Deal found 9/14₱46,933

Tue 12/16:30 am -

1 stop12h 05m

Tue 12/2210:30 pm -

1 stop12h 50m

Deal found 9/10₱39,403

Fri 11/131:00 pm -

2 stops19h 15m

Tue 11/173:40 pm -

2 stops22h 35m

Deal found 9/13₱81,819

Tue 12/11:55 pm -

2 stops34h 50m

Tue 12/228:00 pm -

1 stop14h 55m

Deal found 9/10₱44,109

Sat 11/217:35 am -

1 stop11h 00m

Sat 11/2810:30 pm -

1 stop19h 55m

Deal found 9/14₱43,356

Fri 10/93:05 pm -

2 stops32h 50m

Fri 10/308:00 pm -

1 stop26h 50m

Deal found 9/14₱44,548

Wed 11/412:25 am -

1 stop12h 35m

Mon 11/99:15 pm -

2 stops21h 00m

Deal found 9/13₱48,250

Sun 11/159:40 pm -

1 stop20h 55m

Fri 11/2010:30 pm -

1 stop12h 50m

Deal found 9/14₱49,317

Sat 10/1711:45 am -

2 stops14h 10m

Sun 10/258:40 pm -

2 stops21h 45m

Deal found 9/14₱49,944

Fri 10/3011:45 pm -

2 stops32h 00m

Fri 11/65:05 am -

2 stops57h 00m

Deal found 9/15₱53,270

Wed 10/281:55 pm -

2 stops35h 20m

Wed 11/45:05 am -

1 stop13h 15m

Deal found 9/13₱54,650

Sun 11/155:00 pm -

3 stops29h 45m

Fri 11/207:45 pm -

1 stop18h 55m

Deal found 9/14₱63,623

Find flight deals from Kathmandu to Southeast Asia

Round-trip from	₱34,509
One-way from	₱20,831
Popular in	May
Cheapest in	March
Average price	₱22,023

Thai Airways
11/4-11/9
2 total stops
21h 00m total
Kathmandu to Southeast Asia

Search Deals

10/10-12/31
3 total stops
23h 05m total
Kathmandu to Southeast Asia

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (₱126,923 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (₱29,122 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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 round-trip

Quickest round-trip

KathmanduManila

KTM Kathmandu Tribhuvan - MNL Manila Ninoy Aquino Intl

KTMMNL

Kathmandu Tribhuvan

Sun 10/11

12:25 am-11:45 am

1 stop9h 05m

Manila Ninoy Aquino Intl

Wed 12/31

12:00 am-9:30 pm

Nonstop0h 00m

₱22,023

KathmanduManila

KTM Kathmandu Tribhuvan - MNL Manila Ninoy Aquino Intl

KTMMNL

Kathmandu Tribhuvan

Mon 1/25

12:25 am-4:00 pm

1 stop13h 20m

Manila Ninoy Aquino Intl

Wed 12/31

12:00 am-9:30 pm

Nonstop0h 00m

₱22,274

KathmanduManila

KTM Kathmandu Tribhuvan - MNL Manila Ninoy Aquino Intl

KTMMNL

Kathmandu Tribhuvan

Thu 9/24

12:25 am-11:45 am

1 stop9h 05m

Manila Ninoy Aquino Intl

Wed 12/31

12:00 am-9:30 pm

Nonstop0h 00m

₱22,274

KathmanduManila

KTM Kathmandu Tribhuvan - MNL Manila Ninoy Aquino Intl

KTMMNL

Kathmandu Tribhuvan

Tue 12/8

12:25 am-3:15 pm

1 stop12h 35m

Manila Ninoy Aquino Intl

Wed 12/31

12:00 am-9:30 pm

Nonstop0h 00m

₱22,588

KathmanduManila

KTM Kathmandu Tribhuvan - MNL Manila Ninoy Aquino Intl

KTMMNL

Kathmandu Tribhuvan

Thu 9/24

12:25 am-2:10 am

2 stops23h 30m

Manila Ninoy Aquino Intl

Wed 12/31

12:00 am-9:30 pm

Nonstop0h 00m

₱23,278

KathmanduManila

KTM Kathmandu Tribhuvan - MNL Manila Ninoy Aquino Intl

KTMMNL

Kathmandu Tribhuvan

Mon 10/26

12:25 am-6:25 pm

1 stop15h 45m

Manila Ninoy Aquino Intl

Wed 12/31

12:00 am-9:30 pm

Nonstop0h 00m

₱23,278

KathmanduManila

KTM Kathmandu Tribhuvan - MNL Manila Ninoy Aquino Intl

KTMMNL

Kathmandu Tribhuvan

Mon 10/12

9:10 pm-2:10 am

3 stops26h 45m

Manila Ninoy Aquino Intl

Wed 12/31

12:00 am-9:30 pm

Nonstop0h 00m

₱23,592

KathmanduManila

KTM Kathmandu Tribhuvan - MNL Manila Ninoy Aquino Intl

KTMMNL

Kathmandu Tribhuvan

Wed 9/30

9:10 pm-6:00 am

2 stops30h 35m

Manila Ninoy Aquino Intl

Wed 12/31

12:00 am-9:30 pm

Nonstop0h 00m

₱23,780

KathmanduCebu City

KTM Kathmandu Tribhuvan - CEB Cebu City Mactan Intl

KTMCEB

Kathmandu Tribhuvan

Fri 10/30

11:55 am-5:55 am

3 stops39h 45m

Cebu City Mactan Intl

Wed 12/31

12:00 am-9:30 pm

Nonstop0h 00m

₱24,157

KathmanduManila

KTM Kathmandu Tribhuvan - MNL Manila Ninoy Aquino Intl

KTMMNL

Kathmandu Tribhuvan

Sun 10/25

11:55 am-10:30 pm

3 stops32h 20m

Manila Ninoy Aquino Intl

Wed 12/31

12:00 am-9:30 pm

Nonstop0h 00m

₱24,282

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 35 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-MNL

KTM-CEB

KTM-MPH

Estimated round-trip 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-MNL

KTM-CEB

KTM-MPH

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

Currently, March is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of ₱33,882). Flying from Kathmandu to Southeast Asia in May is currently the most expensive (average of ₱44,862). 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?

When flying from Kathmandu to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 61 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

See what other customers who have flown with Thai Airways from Kathmandu to Southeast Asia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Thai Airways

7.9

Good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Thai Airways

7.9

Good

419 reviews

Thai Airways

7.9

Good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

Related info for your journey

What airport do you fly from for flights from Kathmandu to Southeast Asia?
Kathmandu Tribhuvan (KTM) is the airport you will fly out of if you book a flight from Kathmandu to Southeast Asia. It is only a 4.1 km journey to Tribhuvan (KTM) from Kathmandu’s city center.
How long is the flight from Kathmandu to Southeast Asia?
Air India, Singapore Airlines, and Malaysia Airlines can get you from Kathmandu to Southeast Asia in just under 13h 05m. Your travel time can differ by up to 15h 55m. The distance between Kathmandu and Southeast Asia is about 3957 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Kathmandu to Southeast Asia?
When deciding which route to take from Kathmandu to Southeast Asia consider Kathmandu Tribhuvan - Manila Ninoy Aquino Intl, Kathmandu Tribhuvan - Cebu City Mactan Intl or Kathmandu Tribhuvan - Boracay Godofredo P. Ramos as they are the most popular.
What are the cheapest flights from Kathmandu to Southeast Asia?
Looking at all options, your cheapest flight can be booked for ₱20,579. While the most popular route (Kathmandu Tribhuvan - Manila Ninoy Aquino Intl) can be booked for ₱35,262 on average, our data indicates ₱23,857 when flying from Kathmandu to Southeast Asia.
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 vacation 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, March is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of ₱33,882). Flying from Kathmandu to Southeast Asia in May is currently the most expensive (average of ₱44,862). 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

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Top airline flying from Kathmandu to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
Thai Airways	Cheapest₱34,127	Average₱36,366	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

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Cheap flights from Kathmandu to Southeast Asia from ₱20,831

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. 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 September 15, 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 September 15, 2026.

Best flights from Kathmandu to Southeast AsiaDiscover carefully curated flight deals from Kathmandu to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.

Discover carefully curated flight deals from Kathmandu to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.

Last-minute flights from Kathmandu to Southeast AsiaDiscover last-minute flight deals from Kathmandu to Southeast Asia. Data last updated September 15, 2026 and is based on user searches.

Discover last-minute flight deals from Kathmandu to Southeast Asia. Data last updated September 15, 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 September 15, 2026.

Search for one-way flight options from Kathmandu to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.

Find flight deals from Kathmandu to Southeast Asia

Round-trip from

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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

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 September 15, 2026.

When flying from Kathmandu to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 61 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

See what other customers who have flown with Thai Airways from Kathmandu to Southeast Asia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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 most popular routes from Kathmandu to Southeast Asia?

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

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Southeast Asia by adding a car rental and/or hotel reservation to your travel itinerary.

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Book a non-stop flight to one of these other cities located in .

Search flights from Kathmandu to Southeast Asia by cabin class

Find flights from Kathmandu to Southeast Asia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Kathmandu and Southeast Asia flights

Browse other Kathmandu and Southeast Asia flight options. Last updated on September 15, 2026.

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Top airline 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 September 15, 2026.

Best flights from Kathmandu to Southeast Asia
Discover carefully curated flight deals from Kathmandu to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.

Last-minute flights from Kathmandu to Southeast Asia
Discover last-minute flight deals from Kathmandu to Southeast Asia. Data last updated September 15, 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 September 15, 2026.