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Cheap flights from Southeast Asia to Kathmandu from $298

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
2 Jun — 9 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 May 2026.

Fri 12/607:30
BKK
-
KTM
1 stop17h 50m
Air India
Sat 27/607:35
KTM
-
BKK
1 stop11h 35m
Air India
Deal found 2/5$559
Mon 8/616:45
BKK
-
KTM
Nonstop3h 30m
Nepal Airlines
Fri 12/611:10
KTM
-
BKK
Nonstop3h 20m
Nepal Airlines
Deal found 30/4$583
Mon 8/616:45
BKK
-
KTM
1 stop22h 25m
Air India
Fri 12/607:35
KTM
-
BKK
1 stop8h 05m
Air India
Deal found 30/4$584
Mon 8/616:45
BKK
-
KTM
Nonstop3h 30m
Multiple Airlines
Fri 12/606:30
KTM
-
BKK
1 stop9h 10m
Multiple Airlines
Deal found 30/4$612
Mon 12/1010:15
BKK
-
KTM
Nonstop3h 25m
Multiple Airlines
Thu 5/1112:50
KTM
-
BKK
1 stop22h 30m
Multiple Airlines
Deal found 30/4$658
Mon 12/1016:15
BKK
-
KTM
1 stop26h 00m
Biman Bangladesh
Thu 5/1115:05
KTM
-
BKK
1 stop22h 40m
Biman Bangladesh
Deal found 30/4$664
Fri 12/616:45
BKK
-
KTM
Nonstop3h 30m
Multiple Airlines
Sat 27/613:30
KTM
-
BKK
Nonstop3h 30m
Multiple Airlines
Deal found 2/5$706
Mon 12/1010:15
BKK
-
KTM
Nonstop3h 25m
Thai Airways
Wed 4/1100:25
KTM
-
BKK
Nonstop3h 30m
Thai Airways
Deal found 30/4$760

Find 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 3 May 2026.

Round-trip from

$559

One-way from

$298
Air India
  • Air India
  • 12/6-27/6
  • 2 total stops
  • 29h 25m total
  • Southeast Asia to Kathmandu
Search Deals
Air India
  • Air India
  • 17/7
  • 1 total stop
  • 9h 25m total
  • Southeast Asia to Kathmandu
Search Deals

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 3 May 2026.
Use the filters below to find and compare flights from Southeast Asia to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 2/10

06:00-21:45

1 stop17h 00m

Kathmandu Tribhuvan

Fri 9/10

22:45-13:25

1 stop13h 25m

$860

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 18/6

19:10-15:35

3 stops45h 40m

Kathmandu Tribhuvan

Thu 9/7

16:35-18:05

2 stops24h 15m

$871

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 17/5

07:50-15:35

1 stop9h 00m

Kathmandu Tribhuvan

Tue 26/5

16:35-00:40

3 stops54h 50m

$884

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 16/5

20:50-15:35

1 stop20h 00m

Kathmandu Tribhuvan

Thu 21/5

16:35-00:40

3 stops30h 50m

$884

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 7/6

21:55-15:35

3 stops42h 55m

Kathmandu Tribhuvan

Thu 18/6

16:35-19:50

1 stop26h 00m

$906

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 29/6

02:25-15:35

1 stop14h 25m

Kathmandu Tribhuvan

Sun 19/7

16:35-19:50

1 stop26h 00m

$916

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 28/5

02:10-15:35

2 stops38h 40m

Kathmandu Tribhuvan

Sun 31/5

16:35-15:50

2 stops22h 00m

$917

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 21/5

21:55-15:35

3 stops42h 55m

Kathmandu Tribhuvan

Sun 31/5

16:35-01:10

2 stops31h 20m

$920

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 2/7

07:50-15:35

1 stop9h 00m

Kathmandu Tribhuvan

Thu 23/7

16:35-20:55

2 stops27h 05m

$925

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 1/7

20:50-15:35

1 stop20h 00m

Kathmandu Tribhuvan

Sat 18/7

16:35-21:55

3 stops28h 05m

$925

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 21 resultsSorted by cheapest first
1
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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

How far ahead should I book a flight from Southeast Asia to Kathmandu?

The best time to book flights from Southeast Asia to Kathmandu is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from Southeast Asia to Kathmandu (average of $166). Flying from Southeast Asia to Kathmandu in January is currently the most expensive (average of $1,120). 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 3 May 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 3 May 2026.

The most flights from zzYJX to KTM are scheduled on a Monday (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 3 May 2026.
Check out reviews from past customers who have flown with Singapore Airlines and Thai AirAsia 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
8.2
Very Good
1,506 reviews
Check prices

Entertainment

8.0

Overall

8.2

Comfort

8.0

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Singapore Airlines
8.2
Very Good
1,506 reviews
Singapore Airlines
8.2
Very Good
1,506 reviews
Check prices

Entertainment

8.0

Overall

8.2

Comfort

8.0

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Thai AirAsia
7.4
Good
241 reviews
Singapore Airlines
8.2
Very Good
1,506 reviews
Check prices

Entertainment

8.0

Overall

8.2

Comfort

8.0

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

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.

  • How long is the flight from Southeast Asia to Kathmandu?

    For as low as $839, China Eastern can have you in Kathmandu from Southeast Asia in 48h. Southeast Asia and Kathmandu are separated by a distance of 2227 km.

  • 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 $112 on Thai AirAsia. Other airlines that offer cheap prices include Thai Lion Air from $119 and Himalaya Airlines from $141 one-way.

  • 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, March is the cheapest month in which you can book a flight from Southeast Asia to Kathmandu (average of $166). Flying from Southeast Asia to Kathmandu in January is currently the most expensive (average of $1,120). 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

Browse thousands of different options on Cheapflights for your next trip

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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 3 airlines flying from Southeast Asia to Kathmandu

Discover the top 3 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 3 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest$157Average$376FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirAsiaCheapest$182Average$350FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Singapore AirlinesCheapest$363Average$890FlexibilityNo 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 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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