Southeast Asia

$104+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
Apr 8 — Apr 151
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Cheap 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 March 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Fri 6/192:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Fri 6/2611:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/7$172
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/62:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Mon 7/1311:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/8$186
This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
Sun 6/282:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Fri 7/1011:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/4$188
This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
Fri 6/262:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Wed 7/1511:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/4$189
This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
Fri 6/262:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Sun 7/1211:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/4$190
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Mon 5/182:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Wed 6/311:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/7$197
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Sun 5/172:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Sun 6/711:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/7$198
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Fri 4/102:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Fri 4/2411:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/7$199
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Sun 3/292:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Mon 3/3011:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/7$200
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Wed 5/132:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Mon 5/2511:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/3$201
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Fri 4/102:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Sun 4/1911:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/7$202
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Fri 4/102:15 pm
KTM
-
DMK
Nonstop3h 20m
Thai Lion Air
Wed 4/1511:10 am
DMK
-
KTM
Nonstop3h 20m
Thai Lion Air
Deal found 3/7$205

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 March 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(Kiwi.com)

One-way from

$104
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$612
Provider with most accurate pricing for Kathmandu Tribhuvan-Manila Ninoy Aquino Intl flight deals.
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Manila Ninoy Aquino Intl flights.
From Kathmandu Tribhuvan to Southeast Asia
One-way flight from Kathmandu Tribhuvan to Southeast Asia
Highest demand for flights based on searches. 7% potential increase in price ($45 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 9, 2026.
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

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Wed 9/2

2:15 pm-6:50 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Fri 9/4

11:10 am-1:15 pm

Nonstop3h 20m

$264

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Sat 4/25

5:30 pm-9:40 pm

1 stop25h 55m

Kuala Lumpur Intl

Sat 5/2

10:40 pm-8:55 am

1 stop12h 30m

$338

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Fri 3/20

6:35 am-10:00 pm

1 stop13h 10m

Kuala Lumpur Intl

Fri 4/10

8:05 am-11:00 pm

1 stop17h 10m

$351

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Fri 4/17

2:05 pm-4:10 am

2 stops12h 50m

Bangkok Don Mueang Intl

Mon 4/20

11:10 am-1:15 pm

Nonstop3h 20m

$360

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Mon 6/15

10:45 pm-5:40 am

Nonstop4h 40m

Kuala Lumpur Intl

Fri 6/19

9:30 am-12:00 pm

Nonstop4h 45m

$392

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Sun 8/16

10:45 pm-5:40 am

Nonstop4h 40m

Kuala Lumpur Intl

Sat 8/22

9:30 am-12:00 pm

Nonstop4h 45m

$392

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 8/18

10:45 pm-10:15 am

1 stop10h 15m

Bangkok Suvarnabhumi

Fri 8/21

6:40 pm-12:00 pm

1 stop18h 35m

$432

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 6/15

10:50 pm-12:10 am

1 stop23h 05m

Denpasar Bali Ngurah Rai

Mon 6/22

9:40 pm-9:30 pm

1 stop26h 05m

$438

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Mon 3/30

2:15 pm-12:45 pm

2 stops20h 15m

Singapore Changi

Mon 4/6

10:30 am-3:40 pm

3 stops31h 25m

$439

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Fri 4/17

4:40 pm-9:15 am

1 stop14h 20m

Singapore Changi

Fri 4/24

10:20 am-6:10 pm

1 stop10h 05m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $210). 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 March 9, 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 39% 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 March 9, 2026.

The most flights from KTM to zzYJX are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, 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 March 9, 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.

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.2

Comfort

8.0

Boarding

8.3

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.

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.2

Comfort

8.0

Boarding

8.3

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.

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.2

Comfort

8.0

Boarding

8.3

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.

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.2

Comfort

8.0

Boarding

8.3

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.

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.2

Comfort

8.0

Boarding

8.3

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.

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.2

Comfort

8.0

Boarding

8.3

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 $271, SriLankan Airlines can have you in Southeast Asia from Kathmandu in 3h 20m. The distance between Kathmandu and Southeast Asia is about 1384 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 $92. Users have also found prices from $116 and $138 on Thai Lion Air and SriLankan Airlines, respectively.

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

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

    On average you can expect to pay $453 for a flight from Kathmandu to Southeast Asia. The cheapest flight overall is $207 while the most popular route, (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) is currently priced at $200.

  • 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 $210). 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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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 March 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest$98Average$237FlexibilityNo cancel feeOn-timeN/A
Thai AirAsiaCheapest$107Average$295FlexibilityNo cancel feeOn-time87%
Nepal AirlinesCheapest$187Average$310FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$307Average$558FlexibilityNo cancel feeOn-time77%
Malaysia AirlinesCheapest$381Average$479FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$394Average$624FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$444Average$586FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$543Average$577FlexibilityNo cancel feeOn-time72%

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