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Cheap flights from Kathmandu to Southeast Asia from $510

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

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 16 January 2026.

Round-trip from

$629

One-way from

$510

Popular in

April

Cheapest in

July

Average price

$444
14/2-23/2
  • 14/2-23/2
  • 5 total stops
  • 44h 40m total
  • Kathmandu to Southeast Asia
Search Deals
Singapore Airlines
  • Singapore Airlines
  • 10/4
  • 1 total stop
  • 17h 25m total
  • Kathmandu to Southeast Asia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($106 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Kathmandu to Southeast Asia

Enter your travel dates to find the best prices.

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 16 January 2026.

Sat 14/221:05
KTM
-
DPS
3 stops19h 15m
Multiple Airlines
Mon 23/213:05
DPS
-
KTM
2 stops25h 25m
Multiple Airlines
Deal found 14/1$629
Mon 2/315:00
KTM
-
DPS
2 stops26h 40m
Multiple Airlines
Mon 9/307:15
DPS
-
KTM
1 stop16h 30m
Multiple Airlines
Deal found 16/1$632
Mon 9/207:35
KTM
-
DPS
3 stops35h 35m
Multiple Airlines
Sun 15/207:15
DPS
-
KTM
2 stops31h 15m
Multiple Airlines
Deal found 14/1$635
Thu 12/321:05
KTM
-
DPS
3 stops47h 25m
Multiple Airlines
Mon 16/313:05
DPS
-
KTM
2 stops23h 00m
Multiple Airlines
Deal found 15/1$659
Sun 8/315:00
KTM
-
DPS
2 stops29h 30m
Multiple Airlines
Fri 13/315:30
DPS
-
KTM
3 stops26h 55m
Multiple Airlines
Deal found 14/1$676
Mon 9/315:00
KTM
-
DPS
1 stop18h 10m
Multiple Airlines
Sat 14/307:15
DPS
-
KTM
2 stops30h 50m
Multiple Airlines
Deal found 14/1$689

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 16 January 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

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Sat 14/2

21:05-18:35

3 stops19h 15m

Denpasar Bali Ngurah Rai

Mon 23/2

13:05-12:15

2 stops25h 25m

$629

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 2/3

15:00-19:55

2 stops26h 40m

Denpasar Bali Ngurah Rai

Mon 9/3

07:15-21:30

1 stop16h 30m

$632

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 9/2

17:10-11:25

2 stops16h 00m

Denpasar Bali Ngurah Rai

Sun 15/2

13:05-09:50

2 stops23h 00m

$661

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Sun 8/3

15:00-22:45

2 stops29h 30m

Denpasar Bali Ngurah Rai

Fri 13/3

15:30-16:10

3 stops26h 55m

$676

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 9/3

15:00-19:55

2 stops26h 40m

Denpasar Bali Ngurah Rai

Sat 14/3

14:00-09:50

2 stops22h 05m

$704

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Wed 15/4

23:10-00:10

1 stop22h 45m

Denpasar Bali Ngurah Rai

Wed 22/4

21:40-21:30

1 stop26h 05m

$720

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Fri 10/4

23:10-18:50

1 stop17h 25m

$510

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Fri 10/4

13:00-12:05

1 stop20h 50m

$525

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Fri 10/4

21:25-11:05

2 stops35h 25m

$1,441

Flights are sorted by cheapest return flights first.

Deals found on 15/1

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, January is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of $139). Flying from Kathmandu to Southeast Asia in May is currently the most expensive (average of $303). 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 16 January 2026.

It’s optimal to fly from Kathmandu to Southeast Asia in the morning. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight in the afternoon.

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 16 January 2026.

The most flights from KTM to zzYJX are scheduled on a Monday (2 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 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 16 January 2026.
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
1,431 reviews
Check prices

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.3

Comfort

8.0

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
1,431 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.3

Comfort

8.0

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
378 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.3

Comfort

8.0

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
1,431 reviews
Check prices

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.3

Comfort

8.0

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.
Batik Air
5.9
Fair
78 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.3

Comfort

8.0

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
2,975 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.3

Comfort

8.0

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?

    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 airlines to fly from Kathmandu to Southeast Asia one-way?

    $132 is the cheapest one-way deal found within the past few days, from Thai AirAsia. You may also be able to find cheap deals on Thai Lion Air and Nepal Airlines, with prices starting from $174 and $231, respectively.

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

    The cheapest flight price from Kathmandu to Southeast Asia is $734. On average you can expect to pay $1,152. The most popular route, (Kathmandu Tribhuvan - Denpasar Bali Ngurah Rai), can usually be booked for $1,012.

  • 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, January is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of $139). Flying from Kathmandu to Southeast Asia in May is currently the most expensive (average of $303). 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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest$209Average$364FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirAsiaCheapest$248Average$350FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai AirwaysCheapest$472Average$691FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Singapore AirlinesCheapest$629Average$891FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest$682Average$953FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Malaysia AirlinesCheapest$729Average$866FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Kathmandu to Southeast Asia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southeast Asia from Kathmandu.

Can Cheapflights find flights from Kathmandu to Southeast Asia with no change fees?

Yes! Cheapflights helps users easily find flights from Kathmandu to Southeast Asia with no change fees.

Can Cheapflights notify me if prices for flights from Kathmandu to Southeast Asia become cheaper?

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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