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Cheap flights from Kathmandu to Southeast Asia from £162

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
26 Feb — 5 Mar1
1 adult

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 21 February 2025.

Round-trip from

£281

One-way from

£162

Popular in

April

Cheapest in

February

Average price

£234
Nepal Airlines
  • Nepal Airlines
  • 12/3-21/3
  • Nonstop
  • 6h 50m total
  • Kathmandu to Southeast Asia
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Nepal Airlines
  • Nepal Airlines
  • 19/3
  • Nonstop
  • 3h 20m total
  • Kathmandu to Southeast Asia
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
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Find flight deals from Kathmandu to Southeast Asia

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 21 February 2025.

Wed 12/311:10KTM - BKK
Nonstop3h 20mNepal Airlines
Fri 21/316:45BKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 19/2£281
Fri 25/414:55KTM - BKK
1 stop22h 05mAir India
Sun 27/415:15BKK - KTM
1 stop23h 55mAir India
Deal found 20/2£314
Fri 25/411:10KTM - BKK
Nonstop3h 20mMultiple Airlines
Sun 27/417:55BKK - KTM
1 stop16h 25mMultiple Airlines
Deal found 20/2£325
Thu 24/400:25KTM - BKK
Nonstop3h 30mThai Airways
Sun 27/410:15BKK - KTM
Nonstop3h 25mThai Airways
Deal found 20/2£326
Thu 19/623:30KTM - BKK
1 stop15h 35mMalaysia Airlines
Sun 29/619:40BKK - KTM
1 stop17h 35mMalaysia Airlines
Deal found 20/2£330
Wed 12/312:35KTM - BKK
1 stop25h 10mBiman Bangladesh
Fri 21/316:15BKK - KTM
1 stop20h 35mBiman Bangladesh
Deal found 19/2£339
Sat 8/316:35KTM - BKK
2 stops23h 25mChina Eastern
Sat 15/305:35BKK - KTM
1 stop11h 15mChina Eastern
Deal found 20/2£471
Wed 12/316:30KTM - BKK
2 stops24h 45mAir China
Fri 21/319:30BKK - KTM
2 stops21h 15mAir China
Deal found 19/2£480
Thu 20/312:00KTM - BKK
1 stop9h 15mChina Southern
Wed 26/302:10BKK - KTM
1 stop10h 05mChina Southern
Deal found 20/2£558
Tue 20/501:10KTM - BKK
1 stop15h 55mEmirates
Thu 29/509:30BKK - KTM
1 stop15h 55mEmirates
Deal found 21/2£1,288

Find flights from Kathmandu to Southeast Asia within your budget

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 858,174 searches. Data last updated 21 February 2025.

Fly from

Kathmandu

Fly to

Southeast Asia

Route

Depart

Return

Price

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 12/3

11:10-15:45

Nonstop3h 20m

Bangkok Suvarnabhumi

Fri 21/3

16:45-19:00

Nonstop3h 30m

£281

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 25/4

14:55-14:15

1 stop22h 05m

Bangkok Suvarnabhumi

Sun 27/4

15:15-13:55

1 stop23h 55m

£314

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 25/4

11:10-15:45

Nonstop3h 20m

Bangkok Suvarnabhumi

Sun 27/4

17:55-09:05

1 stop16h 25m

£325

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 24/4

00:25-05:10

Nonstop3h 30m

Bangkok Suvarnabhumi

Sun 27/4

10:15-12:25

Nonstop3h 25m

£326

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 19/6

23:30-16:20

1 stop15h 35m

Bangkok Suvarnabhumi

Sun 29/6

19:40-12:00

1 stop17h 35m

£330

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 12/3

12:35-15:00

1 stop25h 10m

Bangkok Suvarnabhumi

Fri 21/3

16:15-11:35

1 stop20h 35m

£339

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 8/3

16:35-17:15

2 stops23h 25m

Bangkok Suvarnabhumi

Sat 15/3

05:35-15:35

1 stop11h 15m

£471

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 12/3

16:30-18:30

2 stops24h 45m

Bangkok Suvarnabhumi

Fri 21/3

19:30-15:30

2 stops21h 15m

£480

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 20/3

12:00-22:30

1 stop9h 15m

Bangkok Suvarnabhumi

Wed 26/3

02:10-11:00

1 stop10h 05m

£558

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 20/5

01:10-18:20

1 stop15h 55m

Bangkok Suvarnabhumi

Thu 29/5

09:30-00:10

1 stop15h 55m

£1,288

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 18 results
1
2

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.

Travel insights for flights from Kathmandu to Southeast Asia

Get recent, data-driven insights about flights from Kathmandu to Southeast Asia including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Kathmandu to Southeast Asia?

Currently, May is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of £784). Flying from Kathmandu to Southeast Asia in December is currently the most expensive (average of £1,123). 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 21 February 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kathmandu to Southeast Asia as you normally would.

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 21 February 2025.

The most flights from KTM to zzYJX are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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 21 February 2025.
To help decide which airline to fly from Kathmandu to Southeast Asia, see what other customers have to say about Emirates, Thai Airways and China Southern. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,276 reviews
Check prices

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.3

Reviews

1 / 20

10.0
Excellent

dhia,Mar 2024

CDG - DXB

Good although thete was 2 hours delay in the flight but still is good 😊

Emirates
8.1
Very Good
3,276 reviews
Emirates
8.1
Very Good
3,276 reviews
Check prices

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.3

Reviews

1 / 20

10.0
Excellent

dhia,Mar 2024

CDG - DXB

Good although thete was 2 hours delay in the flight but still is good 😊

Thai Airways
7.8
Good
317 reviews
Emirates
8.1
Very Good
3,276 reviews
Check prices

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.3

Reviews

1 / 20

10.0
Excellent

dhia,Mar 2024

CDG - DXB

Good although thete was 2 hours delay in the flight but still is good 😊

China Southern
7.6
Good
87 reviews
Emirates
8.1
Very Good
3,276 reviews
Check prices

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.3

Reviews

1 / 20

10.0
Excellent

dhia,Mar 2024

CDG - DXB

Good although thete was 2 hours delay in the flight but still is good 😊

Malaysia Airlines
7.4
Good
263 reviews
Emirates
8.1
Very Good
3,276 reviews
Check prices

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.3

Reviews

1 / 20

10.0
Excellent

dhia,Mar 2024

CDG - DXB

Good although thete was 2 hours delay in the flight but still is good 😊

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?

    Kathmandu Tribhuvan (KTM), located 2.5 mi from the city center, is the airport you fly out of when you book flights from Kathmandu to Southeast Asia.

  • What are the cheapest airlines to fly from Kathmandu to Southeast Asia one-way?

    To fly one-way, consider booking your trip with Nepal Airlines, which is currently one of the cheapest options available, starting at £162. Air India flights start at £172 while deals on Thai Airways start at £186 one-way.

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

    The cheapest flight price from Kathmandu to Southeast Asia is £201. On average you can expect to pay £475. The most popular route, (Kathmandu Tribhuvan - Bangkok Suvarnabhumi), can usually be booked for £245.

  • 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, May is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of £784). Flying from Kathmandu to Southeast Asia in December is currently the most expensive (average of £1,123). 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 Suvarnabhumi flights
Kathmandu to New Delhi flights

Top 8 airlines flying from Kathmandu to Southeast Asia

Discover the top 8 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 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest£102Average£257FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest£183Average£266FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Air IndiaCheapest£200Average£361FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Nepal AirlinesCheapest£201Average£294FlexibilityNo cancel feeOn-timeN/A
Search Nepal Airlines flights
Thai AirwaysCheapest£244Average£396FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Biman BangladeshCheapest£267Average£287FlexibilityNo cancel feeOn-time45%
Search Biman Bangladesh flights
Malaysia AirlinesCheapest£305Average£495FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Singapore AirlinesCheapest£326Average£389FlexibilityNo cancel feeOn-time81%
Search Singapore 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 helps you search for flights from Kathmandu to Southeast Asia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Kathmandu to Southeast Asia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Southeast Asia from Kathmandu shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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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