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$120+ Cheap flights from Kathmandu (KTM) to Southeast Asia

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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
feb. 10 — feb. 171
mar. 2/10
mar. 2/17
1 adult, Economy
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Cheap 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 enero 11, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$202
(Kiwi.com)

One-way from

$120
(Trip.com)

Popular in

December

Cheapest in

June

Average price

$615
Provider with most accurate pricing for Kathmandu Tribhuvan-Manila Ninoy Aquino Intl flight deals.
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Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Manila Ninoy Aquino Intl flights.
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From Kathmandu Tribhuvan to Southeast Asia
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One-way flight from Kathmandu Tribhuvan to Southeast Asia
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Highest demand for flights based on searches. 5% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Kathmandu to Southeast Asia

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 enero 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/13:00 pmKTM - DMK
Nonstop3h 20mThai Lion Air
dom. 3/811:50 amDMK - KTM
Nonstop3h 30mThai Lion Air
Deal found 1/10$202
This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/143:00 pmKTM - DMK
Nonstop3h 20mThai Lion Air
dom. 1/1811:50 amDMK - KTM
Nonstop3h 30mThai Lion Air
Deal found 1/10$204
This Mytrip deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/93:10 pmKTM - DMK
Nonstop3h 15mThai AirAsia
mié. 2/2511:45 amDMK - KTM
Nonstop3h 40mThai AirAsia
Deal found 1/9$218
This Booking.com deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/113:10 pmKTM - DMK
Nonstop3h 15mThai AirAsia
dom. 2/1511:45 amDMK - KTM
Nonstop3h 40mThai AirAsia
Deal found 1/9$221
This Booking.com deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/83:10 pmKTM - DMK
Nonstop3h 15mThai AirAsia
vie. 2/2011:45 amDMK - KTM
Nonstop3h 40mThai AirAsia
Deal found 1/8$222
This Mytrip deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/93:10 pmKTM - DMK
Nonstop3h 15mThai AirAsia
vie. 2/1311:45 amDMK - KTM
Nonstop3h 40mThai AirAsia
Deal found 1/9$223
This FlightHub deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/261:40 pmKTM - BKK
1 stop21h 50mSriLankan Airlines
dom. 8/307:45 amBKK - KTM
1 stop29h 45mSriLankan Airlines
Deal found 1/11$225
This FlightHub deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/2312:50 pmKTM - BKK
1 stop22h 30mSriLankan Airlines
sáb. 2/281:55 pmBKK - KTM
1 stop23h 10mSriLankan Airlines
Deal found 1/11$227
This AirAsia deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/213:10 pmKTM - DMK
Nonstop3h 15mThai AirAsia
lun. 1/2611:45 amDMK - KTM
Nonstop3h 40mThai AirAsia
Deal found 1/8$228
This AirAsia deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/263:00 pmKTM - DMK
Nonstop3h 25mThai AirAsia
dom. 8/3011:45 amDMK - KTM
Nonstop3h 30mThai AirAsia
Deal found 1/9$229
This Booking.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/163:10 pmKTM - DMK
Nonstop3h 15mMultiple Airlines
dom. 1/2511:50 amDMK - KTM
Nonstop3h 30mMultiple Airlines
Deal found 1/10$239
This Trip.com deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/1512:50 pmKTM - BKK
1 stop16h 15mSriLankan Airlines
mar. 1/271:55 pmBKK - KTM
1 stop24h 00mSriLankan Airlines
Deal found 1/11$245

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 11, 2026.
Use the filters below to find and compare flights from Kathmandu to Southeast Asia that are best for you.

Fly from

Kathmandu

Fly to

Southeast Asia

Route

Depart

Return

Price

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

dom. 2/8

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

vie. 2/20

11:45 am-2:10 pm

Nonstop3h 40m

$222

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

lun. 2/9

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

vie. 2/13

11:45 am-2:10 pm

Nonstop3h 40m

$223

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

lun. 2/23

12:50 pm-12:35 pm

1 stop22h 30m

Bangkok Suvarnabhumi

sáb. 2/28

1:55 pm-11:50 am

1 stop23h 10m

$227

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

mié. 1/21

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

lun. 1/26

11:45 am-2:10 pm

Nonstop3h 40m

$228

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

dom. 2/8

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

dom. 2/15

11:45 am-2:10 pm

Nonstop3h 40m

$248

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

dom. 2/8

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

vie. 2/13

11:45 am-2:10 pm

Nonstop3h 40m

$248

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

dom. 4/5

3:00 pm-7:40 pm

Nonstop3h 25m

Bangkok Don Mueang Intl

lun. 4/13

11:45 am-2:00 pm

Nonstop3h 30m

$248

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

lun. 2/2

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

dom. 2/8

11:45 am-2:10 pm

Nonstop3h 40m

$248

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

dom. 2/1

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

mié. 2/11

11:45 am-2:10 pm

Nonstop3h 40m

$254

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

dom. 2/1

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

vie. 2/6

11:45 am-2:10 pm

Nonstop3h 40m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

Showing 1-10 of 60 results
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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.
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

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

Currently, January is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of $93). Flying from Kathmandu to Southeast Asia in May is currently the most expensive (average of $203). 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?

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 enero 11, 2026.

One of the essential ways to save on airfare from Kathmandu to Southeast Asia is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 40% on airfare.

Weekly flight availability from Kathmandu to Southeast Asia

Explore weekly flight availability from Kathmandu to Southeast Asia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated enero 11, 2026.

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).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated enero 11, 2026.
Get a feel of what it's like to fly with Singapore Airlines, Thai Airways, and Thai AirAsia from Kathmandu to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,430 reviews

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Singapore Airlines
8.1
Very good
1,430 reviews
Singapore Airlines
8.1
Very good
1,430 reviews

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Thai Airways
7.8
Good
376 reviews
Singapore Airlines
8.1
Very good
1,430 reviews

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Thai AirAsia
7.4
Good
226 reviews
Singapore Airlines
8.1
Very good
1,430 reviews

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Malaysia Airlines
7.3
Good
289 reviews
Singapore Airlines
8.1
Very good
1,430 reviews

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Air India
5.5
Fair
2,976 reviews
Singapore Airlines
8.1
Very good
1,430 reviews

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

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?

    For a flight from Kathmandu to Southeast Asia, you will be flying from Tribhuvan. Kathmandu Tribhuvan (KTM) is just 2.5 mi from the center of the city.

  • How long is the flight from Kathmandu to Southeast Asia?

    For as low as $222, Thai AirAsia can have you in Southeast Asia from Kathmandu in 3h 15m. The distance between Kathmandu and Southeast Asia is about 1366 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Thai AirAsia. According to our data, you can fly for as low as $97. Users have also found prices from $116 and $139 on Thai Lion Air and Air India, respectively.

  • 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 - Bangkok Suvarnabhumi, Kathmandu Tribhuvan - Singapore Changi or Kathmandu Tribhuvan - Bangkok Don Mueang Intl as they are the most popular.

  • What are the cheapest flights from Kathmandu to Southeast Asia?

    On average you can expect to pay $425 for a flight from Kathmandu to Southeast Asia. The cheapest flight overall is $186 while the most popular route, (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) is currently priced at $205.

  • 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, January is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of $93). Flying from Kathmandu to Southeast Asia in May is currently the most expensive (average of $203). 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 8 airlines flying from Kathmandu to Southeast Asia

Discover the top 8 airlines that operate flights from Kathmandu to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest$105Average$248FlexibilityNo cancel feeOn-timeN/A
Thai AirAsiaCheapest$109Average$278FlexibilityNo cancel feeOn-time87%
Nepal AirlinesCheapest$279Average$322FlexibilityNo cancel feeOn-timeN/A
Air IndiaCheapest$280Average$500FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$326Average$552FlexibilityNo cancel feeOn-time77%
Malaysia AirlinesCheapest$396Average$486FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$400Average$629FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$543Average$577FlexibilityNo cancel feeOn-time72%

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