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Cheap flights from Kathmandu to Southeast Asia from $309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Southeast Asia departing on 25/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Kathmandu to Southeast Asia

Cheap return flights

Logo
15:00 - 19:10KTM-DPS
25h 55m1 stop
Logo
14:15 - 14:00DPS-KTM
26h 00m1 stop
$711
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Tue, 19 Aug - Tue, 26 Aug
Logo
15:00 - 19:10KTM-DPS
25h 55m1 stop
Logo
14:15 - 14:00DPS-KTM
26h 00m1 stop
$713
Find Deal
Tue, 19 Aug - Mon, 25 Aug
Logo
15:00 - 11:30KTM-DPS
18h 15m1 stop
Logo
14:15 - 13:50DPS-KTM
25h 50m1 stop
$728
Find Deal
Mon, 25 Aug - Sat, 30 Aug
Logo
15:00 - 11:30KTM-DPS
18h 15m1 stop
Logo
14:15 - 14:00DPS-KTM
26h 00m1 stop
$741
Find Deal
Mon, 25 Aug - Sun, 31 Aug
Logo
15:00 - 19:10KTM-DPS
25h 55m1 stop
Logo
14:15 - 14:00DPS-KTM
26h 00m1 stop
$755
Find Deal
Mon, 8 Sep - Sun, 14 Sep
Logo
10:05 - 18:40KTM-DPS
30h 20m3 stops
Logo
17:40 - 20:05DPS-KTM
28h 40m2 stops
$756
Find Deal
Wed, 24 Sep - Mon, 6 Oct
Air India Logo
17:30 - 08:30KTM-DPS
12h 45m1 stop
Air India Logo
10:00 - 23:00DPS-KTM
15h 15m1 stop
$882Air India
Find Deal
Thu, 28 Aug - Thu, 4 Sep
Air India Logo
21:00 - 08:30KTM-DPS
33h 15m1 stop
Air India Logo
10:00 - 06:35DPS-KTM
22h 50m1 stop
$916Air India
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Mon, 15 Sep - Mon, 22 Sep
Thai Airways Logo
23:30 - 14:55KTM-DPS
13h 10m1 stop
Thai Airways Logo
16:55 - 12:25DPS-KTM
21h 45m1 stop
$922Thai Airways
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Wed, 24 Sep - Mon, 6 Oct
Batik Air Logo
21:25 - 13:40KTM-DPS
14h 00m1 stop
Batik Air Logo
11:55 - 20:35DPS-KTM
10h 55m1 stop
$1,013Batik Air
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Sun, 17 Aug - Sun, 24 Aug

Air India flights from Kathmandu to Southeast Asia

Our best Air India deals on Kathmandu to Southeast Asia flight tickets
Air India
28 Aug
KTM17:30Kathmandu Tribhuvan
12h 45m
1 stop
DPS08:30Denpasar Bali Ngurah Rai
4 Sept
DPS10:00Denpasar Bali Ngurah Rai
15h 15m
1 stop
KTM23:00Kathmandu Tribhuvan
$882
Find similar
Air India
15 Sept
KTM21:00Kathmandu Tribhuvan
33h 15m
1 stop
DPS08:30Denpasar Bali Ngurah Rai
22 Sept
DPS10:00Denpasar Bali Ngurah Rai
22h 50m
1 stop
KTM06:35Kathmandu Tribhuvan
$916
Find similar

China Southern flights from Kathmandu to Southeast Asia

Our best China Southern deals on Kathmandu to Southeast Asia flight tickets
China Southern
17 Aug
KTM23:30Kathmandu Tribhuvan
30h 00m
1 stop
DPS07:45Denpasar Bali Ngurah Rai
23 Aug
DPS00:30Denpasar Bali Ngurah Rai
13h 35m
1 stop
KTM11:50Kathmandu Tribhuvan
$1,401
Find similar
China Southern
18 Aug
KTM23:30Kathmandu Tribhuvan
30h 00m
1 stop
DPS07:45Denpasar Bali Ngurah Rai
23 Aug
DPS00:30Denpasar Bali Ngurah Rai
13h 35m
1 stop
KTM11:50Kathmandu Tribhuvan
$1,472
Find similar
China Southern
17 Aug
KTM23:30Kathmandu Tribhuvan
30h 00m
1 stop
DPS07:45Denpasar Bali Ngurah Rai
22 Aug
DPS00:30Denpasar Bali Ngurah Rai
24h 15m
1 stop
KTM22:30Kathmandu Tribhuvan
$1,740
Find similar

momondo 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, momondo users made 78,305 searches. Data last updated 6 August 2025.
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

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Tue 19/8

15:00-19:10

1 stop25h 55m

Denpasar Bali Ngurah Rai

Tue 26/8

14:15-14:00

1 stop26h 00m

$711

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Tue 19/8

15:00-19:10

1 stop25h 55m

Denpasar Bali Ngurah Rai

Mon 25/8

14:15-14:00

1 stop26h 00m

$713

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 25/8

15:00-11:30

1 stop18h 15m

Denpasar Bali Ngurah Rai

Sat 30/8

14:15-13:50

1 stop25h 50m

$728

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 25/8

15:00-11:30

1 stop18h 15m

Denpasar Bali Ngurah Rai

Sun 31/8

14:15-14:00

1 stop26h 00m

$741

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 8/9

15:00-19:10

1 stop25h 55m

Denpasar Bali Ngurah Rai

Sun 14/9

14:15-14:00

1 stop26h 00m

$755

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Wed 24/9

10:05-18:40

3 stops30h 20m

Denpasar Bali Ngurah Rai

Mon 6/10

17:40-20:05

2 stops28h 40m

$756

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Thu 28/8

17:30-08:30

1 stop12h 45m

Denpasar Bali Ngurah Rai

Thu 4/9

10:00-23:00

1 stop15h 15m

$882

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 15/9

21:00-08:30

1 stop33h 15m

Denpasar Bali Ngurah Rai

Mon 22/9

10:00-06:35

1 stop22h 50m

$916

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Wed 24/9

23:30-14:55

1 stop13h 10m

Denpasar Bali Ngurah Rai

Mon 6/10

16:55-12:25

1 stop21h 45m

$922

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Sun 17/8

21:25-13:40

1 stop14h 00m

Denpasar Bali Ngurah Rai

Sun 24/8

11:55-20:35

1 stop10h 55m

$1,013

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Southeast Asia from

How to get the cheapest flight ticket from Kathmandu to Southeast Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Southeast Asia?

The cheapest month to fly to Southeast Asia from Kathmandu is in June. Flight prices, which tend to average around $809, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Southeast Asia, with average flight prices from Kathmandu averaging around $857.

What is the cheapest day to depart on your flight to Southeast Asia?

Our data shows that Friday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as $850. On the other hand, Sunday is the most expensive day to depart from Kathmandu because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,073.

What is the cheapest time of day to depart on your flight to Southeast Asia?

At midday is the cheapest time of day to fly from Kathmandu to Southeast Asia when you can find flight prices for as low as $850. Flying to Southeast Asia at midday is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of $952.

What is the cheapest Kathmandu Tribhuvan to Southeast Asia flight route?

Fly from Kathmandu Tribhuvan to Bangkok Suvarnabhumi for the best Kathmandu Tribhuvan - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

You are more likely to see cheaper flights to Southeast Asia from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $975 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Kathmandu for as low as $759 on momondo.

What cabin class options are available on Kathmandu Tribhuvan to Southeast Asia flights?

There are 4 cabin classes available to choose from on Kathmandu Tribhuvan to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kathmandu to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between Kathmandu to Southeast Asia.

Cheap Kathmandu to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Southeast Asia

Best price found

$309

Fastest flight time

12h 45m

Direct flights

None

Airports in Southeast Asia

1 airport
The best one-way flight to Southeast Asia from Kathmandu in the past 72 hours is $309. The best return flight deal from Kathmandu to Southeast Asia found on momondo in the last 72 hours is $711.
The fastest flight from Kathmandu to Southeast Asia takes 12h 45m
There are no direct flights from Kathmandu to Southeast Asia. Popular non-direct route for this connection is Kathmandu Tribhuvan Airport - Denpasar Bali Ngurah Rai Airport.
There is 1 airport near Southeast Asia: Denpasar Bali Ngurah Rai (DPS)
Search flight deals

  • When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Southeast Asia?

    Prices for flights from Kathmandu Tribhuvan Airport to Southeast Asia refresh daily.

  • How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Southeast Asia?

  • How old do you have to be to fly from Kathmandu Tribhuvan Airport to Southeast Asia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Southeast Asia.

  • What documentation or ID do you need to fly to Southeast Asia?

    The necessary travel and health documents for your Southeast Asia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Kathmandu to Southeast Asia?

Best airlines flying from Kathmandu to Southeast Asia

Compare and see reviews for airlines that fly from Kathmandu to Southeast Asia with momondo
Airline
Rating
Free cancellation
Price
Thai AirAsiaPriceFrom $268Free cancellationRating
7.5
218 reviews
Search Thai AirAsia flights
Thai Lion AirPriceFrom $340Free cancellationRating
7.1
28 reviews
Search Thai Lion Air flights
Thai AirwaysPriceFrom $504Free cancellationRating
7.8
343 reviews
Search Thai Airways flights
Singapore AirlinesPriceFrom $661Free cancellationRating
8.1
1,342 reviews
Search Singapore Airlines flights
Air IndiaPriceFrom $694Free cancellationRating
5.5
2,929 reviews
Search Air India flights
Malaysia AirlinesPriceFrom $754Free cancellationRating
7.4
274 reviews
Search Malaysia Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Southeast Asia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kathmandu to Southeast Asia. momondo saves you time and could save you money on your trip.

Can I find flights from Kathmandu to Southeast Asia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Southeast Asia from Kathmandu with this policy.

How can momondo help me find flights from Kathmandu to Southeast Asia?

momondo provides multiple filters to help you find the best flight to Southeast Asia from Kathmandu. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Kathmandu to Southeast Asia right now. Can momondo alert me if prices change?

Price alerts on flights to Southeast Asia from Kathmandu are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Southeast Asia trip

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