Cheap flights from Southeast Asia to Kathmandu

BKK — KTM
8 Jul — 15 Jul1
1 adult
1 adult, Economy, 0 bags

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 8 June 2026.

Round-trip from

$549

One-way from

$329
SriLankan Airlines
  • SriLankan Airlines
  • 10/7-19/7
  • 2 total stops
  • 30h 50m total
  • Southeast Asia to Kathmandu
Thai Airways
  • Thai Airways
  • 22/11
  • Nonstop
  • 3h 25m total
  • Southeast Asia to Kathmandu

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 68 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 $170). Flying from Southeast Asia to Kathmandu in September is currently the most expensive (average of $1,522). 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 8 June 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.

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 8 June 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.

Crew

8.6

Entertainment

8.1

Comfort

8.0

Boarding

8.3

Food

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Crew

8.6

Entertainment

8.1

Comfort

8.0

Boarding

8.3

Food

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Crew

8.6

Entertainment

8.1

Comfort

8.0

Boarding

8.3

Food

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

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 $998, China Eastern can have you in Kathmandu from Southeast Asia in 45h 35m. 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 $114 on Thai AirAsia. Other airlines that offer cheap prices include Thai Lion Air from $122 and Himalaya Airlines from $144 one-way.

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

    While on average a flight from Southeast Asia to Kathmandu is generally $409, our data shows the cheapest flight currently is $336. When looking at the most popular route, (Bangkok Suvarnabhumi - Kathmandu Tribhuvan), you can expect to pay $678 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, March is the cheapest month in which you can book a flight from Southeast Asia to Kathmandu (average of $170). Flying from Southeast Asia to Kathmandu in September is currently the most expensive (average of $1,522). 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.

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 8 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest$161Average$391FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirAsiaCheapest$177Average$452FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Singapore AirlinesCheapest$371Average$801FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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How does Cheapflights help users find flights from Southeast Asia to Kathmandu?

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

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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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