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Cheap flights from Kathmandu to Southeast Asia from $117

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 1/25. 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 round-trip flights

Enter your travel dates to find the best prices.
Thai Lion Air Logo
3:00 pm - 7:35 pm
KTM
-
DMK
3h 20mnonstop
Thai Lion Air Logo
11:50 am - 2:05 pm
DMK
-
KTM
3h 30mnonstop
$200Thai Lion Air
Sun, Mar 1 - Sun, Mar 8
Thai AirAsia Logo
3:10 pm - 7:40 pm
KTM
-
DMK
3h 15mnonstop
Thai AirAsia Logo
11:45 am - 2:10 pm
DMK
-
KTM
3h 40mnonstop
$202Thai AirAsia
Wed, Feb 25 - Wed, Mar 4
Thai Lion Air Logo
3:00 pm - 7:35 pm
KTM
-
DMK
3h 20mnonstop
Thai Lion Air Logo
11:50 am - 2:05 pm
DMK
-
KTM
3h 30mnonstop
$203Thai Lion Air
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
3:00 pm - 7:40 pm
KTM
-
DMK
3h 25mnonstop
Multiple Airlines Logo
11:00 am - 1:15 pm
DMK
-
KTM
3h 30mnonstop
$205Multiple Airlines
Mon, May 11 - Wed, May 20
Multiple Airlines Logo
3:10 pm - 7:40 pm
KTM
-
DMK
3h 15mnonstop
Multiple Airlines Logo
11:50 am - 2:05 pm
DMK
-
KTM
3h 30mnonstop
$211Multiple Airlines
Wed, Feb 18 - Mon, Mar 9
Air India Logo
5:30 pm - 7:00 am
KTM
-
KUL
11h 15m
1 stop
Air India Logo
11:00 pm - 9:05 am
KUL
-
KTM
12h 20m
1 stop
$327Air India
Fri, Feb 13 - Wed, Feb 18
Air India Logo
2:55 pm - 10:00 pm
KTM
-
KUL
28h 50m
1 stop
Air India Logo
11:00 pm - 9:05 am
KUL
-
KTM
12h 20m
1 stop
$329Air India
Thu, Feb 12 - Sun, Feb 15
Singapore Airlines Logo
10:50 pm - 12:10 am
KTM
-
DPS
23h 05m
1 stop
Singapore Airlines Logo
10:05 am - 9:30 pm
DPS
-
KTM
13h 40m
1 stop
$401Singapore Airlines
Mon, Jun 22 - Thu, Jun 25
Malaysia Airlines Logo
1:00 pm - 12:05 pm
KTM
-
DPS
20h 50m
1 stop
Malaysia Airlines Logo
7:20 pm - 12:00 pm
DPS
-
KTM
18h 55m
1 stop
$465Malaysia Airlines
Fri, Apr 10 - Fri, Apr 24
Malaysia Airlines Logo
10:30 pm - 6:25 pm
KTM
-
DPS
17h 40m
1 stop
Malaysia Airlines Logo
7:15 pm - 12:00 pm
DPS
-
KTM
19h 00m
1 stop
$490Malaysia Airlines
Thu, Mar 5 - Thu, Mar 12

IndiGo flights from Kathmandu to Southeast Asia

Our best IndiGo deals on Kathmandu to Southeast Asia flight tickets
IndiGo
Jan 27
KTM10:50 amKathmandu Tribhuvan
7h 45m
1 stop
BKK7:50 pmBangkok Suvarnabhumi
Jan 31
BKK10:50 amBangkok Suvarnabhumi
26h 40m
1 stop
KTM12:15 pmKathmandu Tribhuvan
$361
IndiGo
Jan 24
KTM1:15 pmKathmandu Tribhuvan
29h 20m
1 stop
BKK7:50 pmBangkok Suvarnabhumi
Jan 31
BKK10:50 amBangkok Suvarnabhumi
26h 40m
1 stop
KTM12:15 pmKathmandu Tribhuvan
$373
IndiGo
Jan 27
KTM10:50 amKathmandu Tribhuvan
7h 45m
1 stop
BKK7:50 pmBangkok Suvarnabhumi
Feb 1
BKK10:50 amBangkok Suvarnabhumi
24h 15m
1 stop
KTM9:50 amKathmandu Tribhuvan
$377

Nepal Airlines flights from Kathmandu to Southeast Asia

Our best Nepal Airlines deals on Kathmandu to Southeast Asia flight tickets
Nepal Airlines
Feb 11
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
Feb 18
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
$293
Nepal Airlines
Jan 21
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
Jan 23
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
$310
Nepal Airlines
Mar 4
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
Mar 11
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
$311

momondo 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, momondo users made 832,500 searches. Data last updated January 20, 2026.
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

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Sun 3/1

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Sun 3/8

11:50 am-2:05 pm

Nonstop3h 30m

$200

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Wed 2/25

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

Wed 3/4

11:45 am-2:10 pm

Nonstop3h 40m

$202

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Mon 3/16

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Mon 3/23

11:50 am-2:05 pm

Nonstop3h 30m

$203

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Mon 5/11

3:00 pm-7:40 pm

Nonstop3h 25m

Bangkok Don Mueang Intl

Wed 5/20

11:00 am-1:15 pm

Nonstop3h 30m

$205

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Wed 2/18

3:10 pm-7:40 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

Mon 3/9

11:50 am-2:05 pm

Nonstop3h 30m

$211

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Fri 2/13

5:30 pm-7:00 am

1 stop11h 15m

Kuala Lumpur Intl

Wed 2/18

11:00 pm-9:05 am

1 stop12h 20m

$327

KathmanduKuala Lumpur

KTM - KUL

KTMKUL

Kathmandu Tribhuvan

Thu 2/12

2:55 pm-10:00 pm

1 stop28h 50m

Kuala Lumpur Intl

Sun 2/15

11:00 pm-9:05 am

1 stop12h 20m

$329

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Mon 6/22

10:50 pm-12:10 am

1 stop23h 05m

Denpasar Bali Ngurah Rai

Thu 6/25

10:05 am-9:30 pm

1 stop13h 40m

$401

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Fri 4/10

1:00 pm-12:05 pm

1 stop20h 50m

Denpasar Bali Ngurah Rai

Fri 4/24

7:20 pm-12:00 pm

1 stop18h 55m

$465

KathmanduDenpasar

KTM - DPS

KTMDPS

Kathmandu Tribhuvan

Thu 3/5

10:30 pm-6:25 pm

1 stop17h 40m

Denpasar Bali Ngurah Rai

Thu 3/12

7:15 pm-12:00 pm

1 stop19h 00m

$490

Flights are sorted by cheapest round-trip 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 month of July is, on average, the cheapest month to fly to Southeast Asia from Kathmandu, with most prices found around $247. If you don’t want to visit Southeast Asia in July, then you should wait until August to fly from Kathmandu, when ticket prices are also cheap, with an average price of $258.

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

The cheapest day to depart from Kathmandu to Southeast Asia is on a Monday when prices can be found for as low as $395. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $604. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

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

In the afternoon is the cheapest time of day to fly from Kathmandu to Southeast Asia when you can find flight prices for as low as $252. Flying to Southeast Asia in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $595. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Kathmandu Tribhuvan to Bangkok Don Mueang Intl 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 $289 when searching weeks out. 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 $227 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

Fastest flight time

3h 15m

Direct flights

Mon, Tue, Thu and Sat

Airports in Southeast Asia

295 airports
The fastest flight from Kathmandu to Southeast Asia takes 3h 15m
Direct flights go from Kathmandu to Southeast Asia on Monday, Tuesday, Thursday and Saturday. There are no airlines offering direct flights.
There are 295 airports in Southeast Asia. From Kathmandu there are direct flights to Bangkok Don Mueang Intl (DMK), Bangkok Suvarnabhumi (BKK).
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 are updated 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kathmandu Tribhuvan Airport to Southeast Asia.

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

    The travel and health documents required for your trip to Southeast Asia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southeast Asia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 Lion AirPriceFrom $100Free CancellationRating
6.8
37 reviews
Search Thai Lion Air flights
Thai AirAsiaPriceFrom $109Free CancellationRating
7.5
230 reviews
Search Thai AirAsia flights
Nepal AirlinesPriceFrom $187Free CancellationRating
0.0
0 reviews
Search Nepal Airlines flights
Air IndiaPriceFrom $280Free CancellationRating
5.5
2,977 reviews
Search Air India flights
Thai AirwaysPriceFrom $326Free CancellationRating
7.8
379 reviews
Search Thai Airways flights
Malaysia AirlinesPriceFrom $383Free CancellationRating
7.3
290 reviews
Search Malaysia Airlines flights
Singapore AirlinesPriceFrom $395Free CancellationRating
8.1
1,433 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $543Free CancellationRating
7.6
1,140 reviews
Search Cathay Pacific flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kathmandu to Southeast Asia. Millions of users trust and use momondo every year so you are in good hands.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southeast Asia from Kathmandu.

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

If you are simply researching potential flights to Southeast Asia, momondo offers a useful price alert feature which will track prices for flights to Southeast Asia from Kathmandu and alert you when they change.

An easier way to manage your Southeast Asia trip

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