HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southeast Asia

$127+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kathmandu to Southeast Asia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 3, 2025.

Round-trip from

$212
(Kiwi.com)

One-way from

$127
(Kiwi.com)

Popular in

October

Cheapest in

June

Average price

$537
From Kathmandu Tribhuvan to Southeast Asia
Search Deals
One-way flight from Kathmandu Tribhuvan to Southeast Asia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/1. 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 8/183:00 pmKTM - DMK
Nonstop3h 20mThai AirAsia
Mon 8/2512:00 pmDMK - KTM
Nonstop3h 15mThai AirAsia
Deal found 7/1$212
This Trip.com deal was found by Cheapflights users on 7/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/113:00 pmKTM - DMK
Nonstop3h 20mMultiple Airlines
Sat 8/2311:45 amDMK - KTM
Nonstop3h 20mMultiple Airlines
Deal found 7/3$228
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Sat 7/122:50 pmKTM - DMK
Nonstop3h 15mThai Lion Air
Sat 7/1911:45 amDMK - KTM
Nonstop3h 20mThai Lion Air
Deal found 7/1$235
This Trip.com deal was found by Cheapflights users on 7/1. 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.
Fri 8/17:35 amKTM - KUL
1 stop11h 05mMultiple Airlines
Sat 8/303:00 pmKUL - KTM
1 stop23h 30mMultiple Airlines
Deal found 7/1$269
This Trip.com deal was found by Cheapflights users on 7/1. 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.
Thu 7/1010:05 amKTM - BKK
1 stop9h 05mAir India
Tue 7/158:40 amBKK - KTM
1 stop9h 05mAir India
Deal found 7/1$281
This Booking.com deal was found by Cheapflights users on 7/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1411:10 amKTM - BKK
Nonstop3h 20mNepal Airlines
Mon 7/214:45 pmBKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 7/3$284
This Trip.com deal was found by Cheapflights users on 7/2. 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 7/141:15 pmKTM - BKK
1 stop15h 45mSriLankan Airlines
Sun 7/207:45 amBKK - KTM
1 stop29h 45mSriLankan Airlines
Deal found 7/2$285
This Trip.com deal was found by Cheapflights users on 7/1. 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.
Fri 8/17:35 amKTM - KUL
1 stop11h 05mAir India
Tue 8/58:05 amKUL - KTM
1 stop14h 15mAir India
Deal found 7/1$300
This Trip.com deal was found by Cheapflights users on 7/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/49:55 pmKTM - KUL
Nonstop4h 40mBatik Air
Fri 7/116:10 pmKUL - KTM
Nonstop4h 40mBatik Air
Deal found 7/3$326
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 7/319:35 pmKTM - KUL
Nonstop4h 30mNepal Airlines
Thu 8/75:30 amKUL - KTM
Nonstop4h 45mNepal Airlines
Deal found 7/1$332
This Mytrip deal was found by Cheapflights users on 7/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/411:10 amKTM - BKK
Nonstop3h 20mMultiple Airlines
Thu 7/103:05 pmBKK - KTM
1 stop8h 40mMultiple Airlines
Deal found 7/3$334
This Booking.com deal was found by Cheapflights users on 7/1. 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.
Tue 8/194:40 pmKTM - SIN
1 stop22h 50mIndiGo
Tue 8/267:45 pmSIN - KTM
1 stop19h 30mIndiGo
Deal found 7/1$340

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 3, 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

Mon 8/18

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Mon 8/25

12:00 pm-2:00 pm

Nonstop3h 15m

$212

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Mon 8/11

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Sat 8/23

11:45 am-1:50 pm

Nonstop3h 20m

$228

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Tue 7/15

2:50 pm-7:20 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

Sat 7/19

11:45 am-1:50 pm

Nonstop3h 20m

$240

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Fri 8/1

7:35 am-8:55 pm

1 stop11h 05m

Kuala Lumpur Intl

Sat 8/30

3:00 pm-12:15 pm

1 stop23h 30m

$269

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 7/20

10:05 am-8:25 pm

1 stop9h 05m

Bangkok Suvarnabhumi

Sat 7/26

3:15 pm-6:35 am

1 stop16h 35m

$281

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 7/14

11:10 am-3:45 pm

Nonstop3h 20m

Bangkok Suvarnabhumi

Mon 7/21

4:45 pm-7:00 pm

Nonstop3h 30m

$284

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 7/14

1:15 pm-6:15 am

1 stop15h 45m

Bangkok Suvarnabhumi

Sun 7/20

7:45 am-12:15 pm

1 stop29h 45m

$285

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Fri 8/1

7:35 am-8:55 pm

1 stop11h 05m

Kuala Lumpur Intl

Tue 8/5

8:05 am-8:05 pm

1 stop14h 15m

$300

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Thu 7/31

9:35 pm-4:20 am

Nonstop4h 30m

Kuala Lumpur Intl

Thu 8/7

5:30 am-8:00 am

Nonstop4h 45m

$332

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 7/28

1:15 pm-6:15 am

1 stop15h 45m

Bangkok Suvarnabhumi

Thu 7/31

5:10 pm-9:50 am

1 stop17h 55m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 53 results
1
2
3
...
6

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 $952). Flying from Kathmandu to Southeast Asia in December is currently the most expensive (average of $1,573). 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 3, 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 3, 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 3, 2025.
Get a feel of what it's like to fly with Emirates, Singapore Airlines, and Thai Airways 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.
Emirates
8.1
Very good
3,287 reviews

Comfort

8.0

Food

7.8

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
Emirates
8.1
Very good
3,287 reviews
Emirates
8.1
Very good
3,287 reviews

Comfort

8.0

Food

7.8

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
Singapore Airlines
8.1
Very good
1,320 reviews
Emirates
8.1
Very good
3,287 reviews

Comfort

8.0

Food

7.8

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
Thai Airways
7.7
Good
338 reviews
Emirates
8.1
Very good
3,287 reviews

Comfort

8.0

Food

7.8

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
Cathay Pacific
7.6
Good
921 reviews
Emirates
8.1
Very good
3,287 reviews

Comfort

8.0

Food

7.8

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
China Southern
7.6
Good
100 reviews
Emirates
8.1
Very good
3,287 reviews

Comfort

8.0

Food

7.8

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

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 $127. Users have also found prices from $134 and $154 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 - Denpasar Bali Ngurah Rai or Kathmandu Tribhuvan - Singapore Changi as they are the most popular.

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

    On average you can expect to pay $580 for a flight from Kathmandu to Southeast Asia. The cheapest flight overall is $187 while the most popular route, (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) is currently priced at $211.

  • 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 $952). Flying from Kathmandu to Southeast Asia in December is currently the most expensive (average of $1,573). 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

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

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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$171Average$387FlexibilityNo cancel feeOn-time87%
Thai Lion AirCheapest$206Average$306FlexibilityNo cancel feeOn-timeN/A
Air IndiaCheapest$280Average$508FlexibilityNo cancel feeOn-timeN/A
Nepal AirlinesCheapest$286Average$359FlexibilityNo cancel feeOn-timeN/A
Biman BangladeshCheapest$340Average$375FlexibilityNo cancel feeOn-time45%
Thai AirwaysCheapest$340Average$545FlexibilityNo cancel feeOn-time77%
Singapore AirlinesCheapest$424Average$617FlexibilityNo cancel feeOn-time81%
Malaysia AirlinesCheapest$516Average$580FlexibilityNo cancel feeOn-time67%
China SouthernCheapest$561Average$752FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.