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Cheap flights from Southeast Asia to Kathmandu from $303

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southeast Asia to Kathmandu

Keep the following information in mind while searching for Southeast Asia to Kathmandu flight deals. Data was last updated 9 January 2026.

Round-trip from

$410

One-way from

$303
SriLankan Airlines
  • SriLankan Airlines
  • 4/2-11/2
  • 2 total stops
  • 41h 15m total
  • Southeast Asia to Kathmandu
Search Deals
Air India
  • Air India
  • 23/2
  • 1 total stop
  • 13h 55m total
  • Southeast Asia to Kathmandu
Search Deals

Find flight deals from Southeast Asia to Kathmandu

Enter your travel dates to find the best prices.

Cheapest flights from Southeast Asia to Kathmandu
Explore the most affordable flight options available from Southeast Asia to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 January 2026.

Wed 4/215:30BKK - KTM
1 stop19h 35mMultiple Airlines
Wed 11/213:40KTM - BKK
1 stop21h 40mMultiple Airlines
Deal found 7/1$410
Fri 13/217:05BKK - KTM
1 stop21h 55mMultiple Airlines
Wed 18/213:40KTM - BKK
1 stop21h 40mMultiple Airlines
Deal found 8/1$549
Sat 21/217:05BKK - KTM
2 stops32h 25mAir India
Sat 28/210:05KTM - BKK
1 stop9h 00mAir India
Deal found 7/1$607
Fri 30/1018:40BKK - KTM
1 stop18h 35mMalaysia Airlines
Thu 19/1122:45KTM - BKK
1 stop16h 05mMalaysia Airlines
Deal found 7/1$627
Wed 4/216:45BKK - KTM
Nonstop3h 30mNepal Airlines
Wed 11/211:10KTM - BKK
Nonstop3h 20mNepal Airlines
Deal found 7/1$631
Wed 4/216:10BKK - KTM
2 stops15h 40mAir India
Wed 11/221:05KTM - BKK
2 stops16h 50mAir India
Deal found 7/1$633

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southeast Asia to Kathmandu 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 647,157 searches. Data last updated 9 January 2026.
Use the filters below to find and compare flights from Southeast Asia to Kathmandu that are best for you.

Fly from

Southeast Asia

Fly to

Kathmandu

Route

Depart

Return

Price

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 4/2

15:30-09:50

1 stop19h 35m

Kathmandu Tribhuvan

Wed 11/2

13:40-12:35

1 stop21h 40m

$410

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 13/2

17:05-13:45

1 stop21h 55m

Kathmandu Tribhuvan

Wed 18/2

13:40-12:35

1 stop21h 40m

$549

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 21/2

17:05-00:15

2 stops32h 25m

Kathmandu Tribhuvan

Sat 28/2

10:05-20:20

1 stop9h 00m

$607

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 4/2

16:45-19:00

Nonstop3h 30m

Kathmandu Tribhuvan

Wed 11/2

11:10-15:45

Nonstop3h 20m

$631

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 13/2

16:45-19:00

Nonstop3h 30m

Kathmandu Tribhuvan

Wed 18/2

11:10-15:45

Nonstop3h 20m

$633

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 21/2

17:05-13:45

1 stop21h 55m

Kathmandu Tribhuvan

Sat 28/2

13:30-18:15

Nonstop3h 30m

$636

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 21/2

10:15-12:25

Nonstop3h 25m

Kathmandu Tribhuvan

Fri 27/2

00:25-05:10

Nonstop3h 30m

$649

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 16/4

10:15-12:25

Nonstop3h 25m

Kathmandu Tribhuvan

Fri 15/5

11:10-15:45

Nonstop3h 20m

$685

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 27/2

15:10-00:15

1 stop10h 20m

$304

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 13/2

15:30-09:50

1 stop19h 35m

$322

Flights are sorted by cheapest return flights first.

Deals found on 6/1

Showing 1-10 of 17 results
1
2

Best time to book a flight from Southeast Asia to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Southeast Asia 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.

Cheapflights Insights

Everything you need to know about your flight from Southeast Asia to Kathmandu

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

Currently, July is the cheapest month in which you can book a flight from Southeast Asia to Kathmandu (average of $155). Flying from Southeast Asia to Kathmandu in June is currently the most expensive (average of $315). 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 YJX to KTM?

Find hourly flight availability from Southeast Asia to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 January 2026.

When flying from Southeast Asia to Kathmandu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Southeast Asia to Kathmandu

Explore weekly flight availability from Southeast Asia to Kathmandu. 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 9 January 2026.

The most flights from zzYJX to KTM are scheduled on a Wednesday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. 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 Kathmandu. Reviews last updated 9 January 2026.
Check out reviews from past customers who have flown with Singapore Airlines, Thai AirAsia, andAir India from Southeast Asia to Kathmandu to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.3

Food

7.8

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.1
Very Good
1,430 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.3

Food

7.8

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Thai AirAsia
7.4
Good
225 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.3

Food

7.8

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Air India
5.5
Fair
2,974 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.3

Food

7.8

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Related info for your journey

Find useful and relevant information for your journey from Southeast Asia to Kathmandu. 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 into for flights to Kathmandu from Southeast Asia?

    If you book a flight to Kathmandu from Southeast Asia, you will be flying to Tribhuvan, which is the city’s only airport. Kathmandu Tribhuvan (KTM) is located 4.1 km from the centre of Kathmandu.

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

    One-way options have recently been found by users for as low as $126 on Thai AirAsia. Other airlines that offer cheap prices include Thai Lion Air from $128 and Himalaya Airlines from $152 one-way.

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

    While on average a flight from Southeast Asia to Kathmandu is generally $342, our data shows the cheapest flight currently is $275. When looking at the most popular route, (Bangkok Suvarnabhumi - Kathmandu Tribhuvan), you can expect to pay $488 for that flight.

  • Can I find deals for flights from Southeast Asia to Kathmandu that include hotel bookings?

    Yes. In addition to deals on Southeast Asia to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southeast Asia to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southeast Asia to Kathmandu.

  • Can I find deals for business class flights from Southeast Asia to Kathmandu?

    Yes. Cheapflights offers flight deals from Southeast Asia to Kathmandu 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 Southeast Asia to Kathmandu?

    Currently, July is the cheapest month in which you can book a flight from Southeast Asia to Kathmandu (average of $155). Flying from Southeast Asia to Kathmandu in June is currently the most expensive (average of $315). 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

Travelling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

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Alternative routes for Southeast Asia to Kathmandu

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Kathmandu flights
New Delhi to Kathmandu flights

Top 4 airlines flying from Southeast Asia to Kathmandu

Discover the top 4 airlines that operate flights from Southeast Asia to Kathmandu. 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 647,157 searches. Data last updated 9 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest$185Average$412FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirAsiaCheapest$274Average$487FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Singapore AirlinesCheapest$391Average$843FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest$483Average$634FlexibilityNo cancel feeOn-timeN/A
Search Air India 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 Southeast Asia to Kathmandu?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southeast Asia to Kathmandu. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Kathmandu from Southeast Asia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Southeast Asia to Kathmandu with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Southeast Asia to Kathmandu become cheaper?

Yes! Start tracking prices for Southeast Asia to Kathmandu 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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