Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Kathmandu to Southeast Asia from £139

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 10/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Kathmandu to Southeast Asia

Cheap return flights

Enter your travel dates to find the best prices.
Nepal Airlines Logo
11:10 - 15:45KTM-BKK
3h 20mdirect
Nepal Airlines Logo
16:45 - 19:00BKK-KTM
3h 30mdirect
£237Nepal Airlines
Find Deal
Fri, 19 Dec - Fri, 26 Dec
Thai Airways Logo
00:25 - 05:10KTM-BKK
3h 30mdirect
Thai Airways Logo
10:15 - 12:25BKK-KTM
3h 25mdirect
£261Thai Airways
Find Deal
Wed, 3 Dec - Sun, 7 Dec
Air India Logo
17:30 - 14:10KTM-BKK
19h 25m1 stop
Air India Logo
15:10 - 00:15BKK-KTM
10h 20m1 stop
£263Air India
Find Deal
Sat, 22 Nov - Sat, 29 Nov
Air India Logo
06:30 - 20:20KTM-BKK
12h 35m1 stop
Air India Logo
15:10 - 00:15BKK-KTM
10h 20m1 stop
£268Air India
Find Deal
Thu, 4 Dec - Sun, 7 Dec
Air India Logo
22:20 - 20:20KTM-BKK
20h 45m1 stop
Air India Logo
15:10 - 09:05BKK-KTM
19h 10m1 stop
£288Air India
Find Deal
Fri, 19 Dec - Fri, 26 Dec
Multiple Airlines Logo
11:20 - 02:45KTM-BKK
14h 10m1 stop
Multiple Airlines Logo
02:10 - 11:30BKK-KTM
10h 35m1 stop
£291Multiple Airlines
Find Deal
Sat, 22 Nov - Fri, 28 Nov
Air India Logo
07:35 - 16:55KTM-BKK
8h 05m1 stop
Air India Logo
17:55 - 09:05BKK-KTM
16h 25m1 stop
£292Air India
Find Deal
Mon, 20 Apr - Thu, 30 Apr
Multiple Airlines Logo
17:30 - 07:50KTM-BKK
13h 05m1 stop
Multiple Airlines Logo
02:10 - 22:30BKK-KTM
21h 35m1 stop
£298Multiple Airlines
Find Deal
Thu, 4 Dec - Sat, 6 Dec
Malaysia Airlines Logo
22:30 - 08:50KTM-BKK
33h 05m2 stops
Malaysia Airlines Logo
17:05 - 21:30BKK-KTM
29h 40m1 stop
£326Malaysia Airlines
Find Deal
Thu, 15 Jan - Sat, 17 Jan
Malaysia Airlines Logo
22:30 - 08:50KTM-BKK
33h 05m2 stops
Malaysia Airlines Logo
08:45 - 21:30BKK-KTM
14h 00m1 stop
£334Malaysia Airlines
Find Deal
Thu, 15 Jan - Mon, 19 Jan

Thai Airways flights from Kathmandu to Southeast Asia

Our best Thai Airways deals on Kathmandu to Southeast Asia flight tickets
Thai Airways
3 Dec
KTM00:25Kathmandu Tribhuvan
3h 30m
BKK05:10Bangkok Suvarnabhumi
7 Dec
BKK10:15Bangkok Suvarnabhumi
3h 25m
KTM12:25Kathmandu Tribhuvan
£261
Find similar
Thai Airways
22 Nov
KTM13:30Kathmandu Tribhuvan
3h 30m
BKK18:15Bangkok Suvarnabhumi
29 Nov
BKK10:15Bangkok Suvarnabhumi
3h 25m
KTM12:25Kathmandu Tribhuvan
£319
Find similar
Thai Airways
19 Apr
KTM00:25Kathmandu Tribhuvan
3h 30m
BKK05:10Bangkok Suvarnabhumi
30 Apr
BKK10:15Bangkok Suvarnabhumi
3h 25m
KTM12:25Kathmandu Tribhuvan
£324
Find similar

Malaysia Airlines flights from Kathmandu to Southeast Asia

Our best Malaysia Airlines deals on Kathmandu to Southeast Asia flight tickets
Malaysia Airlines
15 Jan
KTM22:30Kathmandu Tribhuvan
33h 05m
2 stops
BKK08:50Bangkok Suvarnabhumi
17 Jan
BKK17:05Bangkok Suvarnabhumi
29h 40m
1 stop
KTM21:30Kathmandu Tribhuvan
£326
Find similar
Malaysia Airlines
15 Jan
KTM22:30Kathmandu Tribhuvan
33h 05m
2 stops
BKK08:50Bangkok Suvarnabhumi
20 Jan
BKK08:45Bangkok Suvarnabhumi
14h 00m
1 stop
KTM21:30Kathmandu Tribhuvan
£334
Find similar
Malaysia Airlines
15 Jan
KTM22:30Kathmandu Tribhuvan
17h 55m
1 stop
BKK17:40Bangkok Suvarnabhumi
21 Jan
BKK19:30Bangkok Suvarnabhumi
51h 15m
2 stops
KTM21:30Kathmandu Tribhuvan
£336
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 279,928 searches. Data last updated 4 November 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

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 19/12

11:10-15:45

Nonstop3h 20m

Bangkok Suvarnabhumi

Fri 26/12

16:45-19:00

Nonstop3h 30m

£237

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 3/12

00:25-05:10

Nonstop3h 30m

Bangkok Suvarnabhumi

Sun 7/12

10:15-12:25

Nonstop3h 25m

£261

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 22/11

17:30-14:10

1 stop19h 25m

Bangkok Suvarnabhumi

Sat 29/11

15:10-00:15

1 stop10h 20m

£263

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 4/12

06:30-20:20

1 stop12h 35m

Bangkok Suvarnabhumi

Sun 7/12

15:10-00:15

1 stop10h 20m

£268

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 19/12

22:20-20:20

1 stop20h 45m

Bangkok Suvarnabhumi

Fri 26/12

15:10-09:05

1 stop19h 10m

£288

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 22/11

11:20-02:45

1 stop14h 10m

Bangkok Suvarnabhumi

Fri 28/11

02:10-11:30

1 stop10h 35m

£291

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 20/4

07:35-16:55

1 stop8h 05m

Bangkok Suvarnabhumi

Thu 30/4

17:55-09:05

1 stop16h 25m

£292

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 4/12

17:30-07:50

1 stop13h 05m

Bangkok Suvarnabhumi

Sat 6/12

02:10-22:30

1 stop21h 35m

£298

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 15/1

22:30-08:50

2 stops33h 05m

Bangkok Suvarnabhumi

Sat 17/1

17:05-21:30

1 stop29h 40m

£326

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 15/1

22:30-08:50

2 stops33h 05m

Bangkok Suvarnabhumi

Mon 19/1

08:45-21:30

1 stop14h 00m

£334

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £188. If you are unable to visit Southeast Asia during the month of July, then departing from Kathmandu during the month August is also very affordable. Most momondo users find prices during this month for around £196.

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

Our data shows that Sunday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as £329. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Southeast Asia on Tuesday is £508.

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 £202. 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 £415. 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 £231 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 £181 on momondo.

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

There are 3 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 20m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Southeast Asia

1 airport
The fastest flight from Kathmandu to Southeast Asia takes 3h 20m
Direct flights go from Kathmandu to Southeast Asia on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Southeast Asia: 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 were last updated today.

  • 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 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 AirAsiaPriceFrom £133Free CancellationRating
7.5
217 reviews
Search Thai AirAsia flights
Thai Lion AirPriceFrom £154Free CancellationRating
0.0
0 reviews
Search Thai Lion Air flights
Nepal AirlinesPriceFrom £186Free CancellationRating
0.0
0 reviews
Search Nepal Airlines flights
Thai AirwaysPriceFrom £239Free CancellationRating
7.8
361 reviews
Search Thai Airways flights
Singapore AirlinesPriceFrom £335Free CancellationRating
8.1
1,391 reviews
Search Singapore Airlines flights

Why use momondo?

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

It is quick and easy to find Kathmandu to Southeast Asia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Southeast Asia that suits you.

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

Flights from Kathmandu to Southeast Asia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Of course. momondo tracks the price of Kathmandu to Southeast Asia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/12
Thu 11/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Southeast Asia

Popular Cities in Southeast Asia

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom £34
Flights to Bangkokfrom £368
Flights to New Yorkfrom £257
Flights to Dubaifrom £211
Flights to Manchesterfrom £33
Flights to Istanbulfrom £56
Flights to Islamabadfrom £362
Flights to Jeddahfrom £128
Flights to Manilafrom £441
Flights to New Delhifrom £296
Flights to Mumbaifrom £290
Flights to Lisbonfrom £32