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Southeast Asia

$118+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
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 July 25, 2025.

Round-trip from

$214
(Kiwi.com)

One-way from

$118
(Kiwi.com)

Popular in

October

Cheapest in

June

Average price

$539
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. 4% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 25, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/223:00 pmKTM - DMK
Nonstop3h 20mThai AirAsia
Wed 8/2712:00 pmDMK - KTM
Nonstop3h 15mThai AirAsia
Deal found 7/24$214
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Tue 8/192:50 pmKTM - DMK
Nonstop3h 15mMultiple Airlines
Tue 8/2612:00 pmDMK - KTM
Nonstop3h 15mMultiple Airlines
Deal found 7/22$220
This Trip.com deal was found by Cheapflights users on 7/23. 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.
Tue 7/292:50 pmKTM - DMK
Nonstop3h 15mThai Lion Air
Sat 8/211:45 amDMK - KTM
Nonstop3h 20mThai Lion Air
Deal found 7/23$241
This Trip.com deal was found by Cheapflights users on 7/22. 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.
Mon 8/411:10 amKTM - BKK
Nonstop3h 20mNepal Airlines
Fri 8/84:45 pmBKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 7/22$294
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 9/47:35 amKTM - KUL
1 stop11h 05mAir India
Wed 9/108:05 amKUL - KTM
1 stop17h 10mAir India
Deal found 7/23$303
This SmartFares deal was found by Cheapflights users on 7/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/111:15 pmKTM - BKK
1 stop22h 25mSriLankan Airlines
Sun 8/177:45 amBKK - KTM
1 stop29h 45mSriLankan Airlines
Deal found 7/22$308
This CheapOair deal was found by Cheapflights users on 7/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/202:00 pmKTM - KUL
1 stop28h 40mMultiple Airlines
Wed 8/274:00 pmKUL - KTM
1 stop22h 30mMultiple Airlines
Deal found 7/23$319
This Mytrip deal was found by Cheapflights users on 7/23. 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.
Mon 7/2811:30 pmKTM - BKK
Nonstop3h 30mThai Airways
Tue 7/2910:15 amBKK - KTM
Nonstop3h 25mThai Airways
Deal found 7/23$322
This Booking.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/2110:50 amKTM - SIN
1 stop28h 40mIndiGo
Thu 8/287:45 pmSIN - KTM
1 stop22h 10mIndiGo
Deal found 7/24$332
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/245:30 pmKTM - BKK
1 stop12h 55mAir India
Wed 8/278:40 amBKK - KTM
1 stop9h 05mAir India
Deal found 7/24$333
This Gotogate deal was found by Cheapflights users on 7/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/111:15 pmKTM - BKK
1 stop22h 25mMultiple Airlines
Sat 8/163:00 amBKK - KTM
1 stop10h 05mMultiple Airlines
Deal found 7/22$348
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/227:35 amKTM - SIN
2 stops21h 25mMultiple Airlines
Sat 8/308:45 amSIN - KTM
1 stop10h 00mMultiple Airlines
Deal found 7/23$373

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 July 25, 2025.
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

Fri 8/22

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Wed 8/27

12:00 pm-2:00 pm

Nonstop3h 15m

$214

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Tue 8/19

2:50 pm-7:20 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

Tue 8/26

12:00 pm-2:00 pm

Nonstop3h 15m

$220

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Tue 8/12

2:50 pm-7:20 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

Tue 9/23

11:45 am-1:50 pm

Nonstop3h 20m

$252

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 8/4

11:10 am-3:45 pm

Nonstop3h 20m

Bangkok Suvarnabhumi

Fri 8/8

4:45 pm-7:00 pm

Nonstop3h 30m

$294

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Thu 9/4

7:35 am-8:55 pm

1 stop11h 05m

Kuala Lumpur Intl

Wed 9/10

8:05 am-11:00 pm

1 stop17h 10m

$303

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 8/11

1:15 pm-12:55 pm

1 stop22h 25m

Bangkok Suvarnabhumi

Sun 8/17

7:45 am-12:15 pm

1 stop29h 45m

$308

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Wed 8/20

2:00 pm-8:55 pm

1 stop28h 40m

Kuala Lumpur Intl

Wed 8/27

4:00 pm-12:15 pm

1 stop22h 30m

$319

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 8/20

1:30 pm-6:15 pm

Nonstop3h 30m

Bangkok Suvarnabhumi

Wed 8/27

8:20 pm-10:30 pm

Nonstop3h 25m

$324

KathmanduSingapore

KTM - SIN

KTMSIN

Kathmandu Tribhuvan

Thu 8/21

10:50 am-5:45 pm

1 stop28h 40m

Singapore Changi

Thu 8/28

7:45 pm-3:40 pm

1 stop22h 10m

$332

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 8/24

5:30 pm-7:40 am

1 stop12h 55m

Bangkok Suvarnabhumi

Wed 8/27

8:40 am-4:30 pm

1 stop9h 05m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 54 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, March is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of $950). Flying from Kathmandu to Southeast Asia in December is currently the most expensive (average of $1,568). 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 July 25, 2025.

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.

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 July 25, 2025.

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 July 25, 2025.
Get a feel of what it's like to fly with Singapore Airlines, Thai Airways, and China Southern 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
1,331 reviews

Food

7.7

Boarding

8.2

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very good
1,331 reviews
Singapore Airlines
8.1
Very good
1,331 reviews

Food

7.7

Boarding

8.2

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Thai Airways
7.8
Good
339 reviews
Singapore Airlines
8.1
Very good
1,331 reviews

Food

7.7

Boarding

8.2

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
China Southern
7.6
Good
103 reviews
Singapore Airlines
8.1
Very good
1,331 reviews

Food

7.7

Boarding

8.2

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Thai AirAsia
7.5
Good
217 reviews
Singapore Airlines
8.1
Very good
1,331 reviews

Food

7.7

Boarding

8.2

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Malaysia Airlines
7.4
Good
270 reviews
Singapore Airlines
8.1
Very good
1,331 reviews

Food

7.7

Boarding

8.2

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

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.

  • 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 $118. Users have also found prices from $134 and $163 on Thai Lion Air and SriLankan Airlines, 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 - Denpasar Bali Ngurah Rai as they are the most popular.

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

    On average you can expect to pay $458 for a flight from Kathmandu to Southeast Asia. The cheapest flight overall is $195 while the most popular route, (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) is currently priced at $204.

  • 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 $950). Flying from Kathmandu to Southeast Asia in December is currently the most expensive (average of $1,568). 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 9 airlines flying from Kathmandu to Southeast Asia

Discover the top 9 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 July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$169Average$376FlexibilityNo cancel feeOn-time87%
Thai Lion AirCheapest$195Average$301FlexibilityNo cancel feeOn-timeN/A
Air IndiaCheapest$280Average$508FlexibilityNo cancel feeOn-timeN/A
Nepal AirlinesCheapest$280Average$359FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$338Average$545FlexibilityNo cancel feeOn-time77%
Biman BangladeshCheapest$340Average$376FlexibilityNo cancel feeOn-time45%
Singapore AirlinesCheapest$405Average$618FlexibilityNo cancel feeOn-time81%
Malaysia AirlinesCheapest$516Average$580FlexibilityNo cancel feeOn-time67%
China SouthernCheapest$560Average$752FlexibilityNo cancel feeOn-time69%

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