Cheap flights from Kathmandu to Southeast Asia from $148
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 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
Deals available from 900+ travel sites.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize 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.Find the cheapest flights from Kathmandu to Southeast Asia
Round-trip
One-way
Last minute
Direct
Cheap round-trip flights
These are some of the best round-trip flight deals from Kathmandu to Southeast Asia that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Kathmandu to Southeast Asia.
Cheap last minute flights
Planning a quick getaway from Kathmandu to Southeast Asia? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Southeast Asia, so you can enjoy a seamless trip without layovers.
Nepal Airlines flights from Kathmandu to Southeast Asia
Our best Nepal Airlines deals on Kathmandu to Southeast Asia flight tickets
Nepal Airlines![Nepal Airlines]()
Feb 21![Nepal Airlines]()
Feb 24
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
Nepal Airlines![Nepal Airlines]()
Mar 14![Nepal Airlines]()
Mar 21
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
Thai Airways flights from Kathmandu to Southeast Asia
Our best Thai Airways deals on Kathmandu to Southeast Asia flight tickets
Thai Airways![Thai Airways]()
Mar 21![Thai Airways]()
Mar 28
KTM1:30 pmKathmandu Tribhuvan
3h 30m
BKK6:15 pmBangkok Suvarnabhumi
BKK10:15 amBangkok Suvarnabhumi
3h 25m
KTM12:25 pmKathmandu Tribhuvan
Thai Airways![Thai Airways]()
Apr 10![Thai Airways]()
Apr 21
KTM12:25 amKathmandu Tribhuvan
3h 30m
BKK5:10 amBangkok Suvarnabhumi
BKK10:15 amBangkok Suvarnabhumi
3h 25m
KTM12:25 pmKathmandu Tribhuvan
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
Prices
Airlines
Other information
What is the cheapest month to fly to Southeast Asia?
The month of February is, on average, the cheapest month to fly to Southeast Asia from Kathmandu, with most prices found around $295. If you don’t want to visit Southeast Asia in February, then you should wait until January to fly from Kathmandu, when ticket prices are also cheap, with an average price of $297.
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 $452. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $548. 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 $280. 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 $555. 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 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 23 weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $349 when searching 23 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 $216 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.
What is the cheapest airline that flies from Kathmandu Tribhuvan to Southeast Asia?
Thai AirAsia, Thai Lion Air, and Batik Air are the most popular carriers operating from Kathmandu Tribhuvan to Southeast Asia
What airlines fly to Southeast Asia?
Thai Airways, Thai AirAsia and Singapore Airlines are the top three most popular airlines that fly to Southeast Asia from Kathmandu according to our data. Thai Airways is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Southeast Asia. Keep in mind that there are 9 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.
How many flights depart from Kathmandu to Southeast Asia on average per day?
As of February 2025, there are 5 flights per day flying from Kathmandu to Southeast Asia. The most common time of day flights depart is 1:00PM, with 60% of flights taking off in the evening.
How many flights depart from Kathmandu to Southeast Asia on average per week?
As of February 2025, there are 37 flights per week flying from Kathmandu to Southeast Asia. The most common day of the week flights depart is Thu, with 22% of flights taking off on this day.
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 | $148 |
|---|---|
Fastest flight time | 3h 10m |
Direct flights | Every day |
Airports in Southeast Asia | 4 airports |
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?
There are 10 operators available for flights from Kathmandu Tribhuvan Airport to Southeast Asia as of February 2025.
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?
momondo data reveals that the most frequently booked plane model on the route from Kathmandu to Southeast Asia is Airbus A320neo, representing 15.42% of all bookings. The subsequent popular models are Airbus A320 (sharklets) at 14.96%, Airbus A320-100/200 at 13.36%, and Boeing 737 MAX 8 at 8.88%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $164 | Free Cancellation | Rating 7.5 211 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 6.7 27 reviews | |||
| PriceFrom $305 | Free Cancellation | Rating 5.9 11 reviews | |||
| PriceFrom $320 | Free Cancellation | Rating 7.8 318 reviews | |||
| PriceFrom $340 | Free Cancellation | Rating 7.0 23 reviews | |||
| PriceFrom $420 | Free Cancellation | Rating 7.3 266 reviews | |||
| PriceFrom $424 | Free Cancellation | Rating 8.1 1,301 reviews | |||
| PriceFrom $534 | Free Cancellation | Rating 5.5 2,908 reviews | |||
| PriceFrom $560 | Free Cancellation | Rating 7.6 87 reviews |
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.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
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 New Yorkfrom $33
Flights to Londonfrom $320
Flights to Bangkokfrom $583
Flights to Los Angelesfrom $37
Flights to Parisfrom $164
Flights to Tokyofrom $465
Flights to Copenhagenfrom $291
Flights to Miamifrom $37
Flights to Istanbulfrom $469
Flights to Romefrom $386
Flights to Chicagofrom $37
Flights to Manilafrom $593