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Cheap flights from Kathmandu to Southeast Asia from $332

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
24 Aug — 31 Aug1
1 adult

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 19 August 2025.

Round-trip from

$747

One-way from

$332

Popular in

April

Cheapest in

July

Average price

$435
4/9-9/9
  • 4/9-9/9
  • 3 total stops
  • 62h 55m total
  • Kathmandu to Southeast Asia
Search Deals
13/9
  • 13/9
  • 1 total stop
  • 24h 30m total
  • Kathmandu to Southeast Asia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 19 August 2025.

Thu 4/915:00KTM - DPS
1 stop31h 05mMultiple Airlines
Tue 9/907:00DPS - KTM
2 stops31h 50mMultiple Airlines
Deal found 18/8$747
Fri 19/910:05KTM - DPS
2 stops31h 05mMultiple Airlines
Sat 27/918:40DPS - KTM
1 stop21h 25mMultiple Airlines
Deal found 17/8$761
Mon 1/915:00KTM - DPS
1 stop24h 30mMultiple Airlines
Tue 9/907:00DPS - KTM
2 stops31h 50mMultiple Airlines
Deal found 18/8$764
Wed 3/915:00KTM - DPS
1 stop24h 30mMultiple Airlines
Thu 11/918:40DPS - KTM
1 stop21h 35mMultiple Airlines
Deal found 18/8$775
Wed 3/915:00KTM - DPS
1 stop24h 30mMultiple Airlines
Tue 9/907:00DPS - KTM
2 stops31h 50mMultiple Airlines
Deal found 18/8$801
Mon 6/1015:00KTM - DPS
1 stop30h 50mMultiple Airlines
Fri 10/1011:55DPS - KTM
1 stop10h 55mMultiple Airlines
Deal found 18/8$828

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 19 August 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

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Thu 4/9

15:00-00:20

1 stop31h 05m

Denpasar Bali Ngurah Rai

Tue 9/9

07:00-12:35

2 stops31h 50m

$747

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Fri 19/9

10:05-19:25

2 stops31h 05m

Denpasar Bali Ngurah Rai

Sat 27/9

18:40-13:50

1 stop21h 25m

$761

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 1/9

15:00-17:45

1 stop24h 30m

Denpasar Bali Ngurah Rai

Tue 9/9

07:00-12:35

2 stops31h 50m

$764

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Wed 3/9

15:00-17:45

1 stop24h 30m

Denpasar Bali Ngurah Rai

Thu 11/9

18:40-14:00

1 stop21h 35m

$775

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Fri 10/10

15:00-17:45

1 stop24h 30m

Denpasar Bali Ngurah Rai

Sun 19/10

18:40-14:00

1 stop21h 35m

$789

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Wed 3/9

15:00-17:45

1 stop24h 30m

Denpasar Bali Ngurah Rai

Tue 9/9

07:00-12:35

2 stops31h 50m

$801

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Tue 30/9

07:35-13:40

2 stops27h 50m

Denpasar Bali Ngurah Rai

Tue 7/10

18:40-14:00

1 stop21h 35m

$827

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Sat 13/9

15:00-17:45

1 stop24h 30m

$332

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 15/9

15:00-17:45

1 stop24h 30m

$354

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 25/8

15:00-11:30

1 stop18h 15m

$387

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 13 results
1
2

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 return 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, February is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of $489). Flying from Kathmandu to Southeast Asia in December is currently the most expensive (average of $911). 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 19 August 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 19 August 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 19 August 2025.
Read through reviews of airlines operating flights from Kathmandu to Southeast Asia, such as Singapore Airlines, Thai Airways, andMalaysia Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,July 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
1,347 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,July 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
344 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,July 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
274 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,July 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
Batik Air
5.9
Fair
73 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,July 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
Air India
5.5
Fair
2,929 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,July 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?

    If you book a flight to Southeast Asia from Kathmandu, you will be flying from Tribhuvan, which is the city’s only airport. Kathmandu Tribhuvan (KTM) is located 4.1 km from the centre of Kathmandu.

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

    The cheapest flight price from Kathmandu to Southeast Asia is $755. On average you can expect to pay $1,629. The most popular route, (Kathmandu Tribhuvan - Denpasar Bali Ngurah Rai), can usually be booked for $1,408.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of $489). Flying from Kathmandu to Southeast Asia in December is currently the most expensive (average of $911). 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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Alternative routes for Kathmandu to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Kathmandu to New Delhi flights
Kathmandu to Denpasar flights

Top 6 airlines flying from Kathmandu to Southeast Asia

Discover the top 6 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 647,157 searches. Data last updated 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$257Average$506FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest$327Average$439FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirwaysCheapest$505Average$779FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Singapore AirlinesCheapest$657Average$904FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest$690Average$885FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Malaysia AirlinesCheapest$749Average$928FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Kathmandu to Southeast Asia?

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Why should you use Cheapflights to find cheap flight tickets from Kathmandu to Southeast Asia?

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Yes! Start tracking prices for Kathmandu to Southeast Asia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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