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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from C$ 242

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Suvarnabhumi to Kathmandu

Enter your travel dates to find the best prices.

Cheapest flights from Suvarnabhumi to Kathmandu
Explore the most affordable flight options available from Suvarnabhumi to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.

Wed 25/37:55 p.m.
BKK
-
KTM
1 stop16h 50m
Multiple Airlines
Sun 29/31:30 p.m.
KTM
-
BKK
Nonstop3h 30m
Multiple Airlines
Deal found 28/1C$ 540
Thu 19/37:55 p.m.
BKK
-
KTM
1 stop27h 50m
Multiple Airlines
Tue 7/47:35 a.m.
KTM
-
BKK
1 stop8h 05m
Multiple Airlines
Deal found 28/1C$ 543
Fri 27/210:50 a.m.
BKK
-
KTM
1 stop10h 30m
Multiple Airlines
Fri 6/311:10 a.m.
KTM
-
BKK
Nonstop3h 20m
Multiple Airlines
Deal found 28/1C$ 550
Tue 10/28:50 a.m.
BKK
-
KTM
1 stop16h 40m
Multiple Airlines
Wed 18/21:40 p.m.
KTM
-
BKK
1 stop21h 40m
Multiple Airlines
Deal found 28/1C$ 551
Tue 10/21:55 p.m.
BKK
-
KTM
1 stop24h 00m
SriLankan Airlines
Wed 18/21:40 p.m.
KTM
-
BKK
1 stop21h 40m
SriLankan Airlines
Deal found 27/1C$ 580

Find flight deals from Suvarnabhumi to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Suvarnabhumi (BKK) to Kathmandu (KTM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 January 2026.

Round-trip from

C$ 540

One-way from

C$ 242

Popular in

April

Cheapest in

January

Average price

C$ 343
Thai Airways
  • Thai Airways
  • 25/3-29/3
  • 1 total stop
  • 20h 20m total
  • Bangkok to Kathmandu
Search Deals
China Southern
  • China Southern
  • 13/3
  • 1 total stop
  • 16h 50m total
  • Bangkok to Kathmandu
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Suvarnabhumi 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 629,999 searches. Data last updated 29 January 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Kathmandu that are best for you.

Fly from

Suvarnabhumi

Fly to

Kathmandu

Route

Depart

Return

Price

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 19/3

7:55 p.m.-10:30 p.m.

1 stop27h 50m

Kathmandu Tribhuvan

Tue 7/4

7:35 a.m.-4:55 p.m.

1 stop8h 05m

C$ 543

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 25/3

7:55 p.m.-11:30 a.m.

1 stop16h 50m

Kathmandu Tribhuvan

Sun 29/3

6:30 a.m.-4:55 p.m.

1 stop9h 10m

C$ 547

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 27/2

10:50 a.m.-8:05 p.m.

1 stop10h 30m

Kathmandu Tribhuvan

Fri 6/3

11:10 a.m.-3:45 p.m.

Nonstop3h 20m

C$ 550

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 10/2

10:15 a.m.-12:25 p.m.

Nonstop3h 25m

Kathmandu Tribhuvan

Wed 18/2

1:40 p.m.-12:35 p.m.

1 stop21h 40m

C$ 553

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 25/3

9:15 p.m.-11:25 p.m.

Nonstop3h 25m

Kathmandu Tribhuvan

Sun 29/3

1:30 p.m.-6:15 p.m.

Nonstop3h 30m

C$ 611

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 19/3

10:15 a.m.-12:25 p.m.

Nonstop3h 25m

Kathmandu Tribhuvan

Mon 6/4

12:25 a.m.-5:10 a.m.

Nonstop3h 30m

C$ 626

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 27/2

5:05 p.m.-9:05 a.m.

2 stops17h 15m

Kathmandu Tribhuvan

Fri 6/3

6:35 a.m.-8:20 p.m.

1 stop12h 30m

C$ 633

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 25/3

5:05 p.m.-6:35 a.m.

2 stops14h 45m

Kathmandu Tribhuvan

Sun 29/3

5:30 p.m.-4:05 p.m.

2 stops21h 20m

C$ 654

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 10/2

5:05 p.m.-9:05 a.m.

2 stops17h 15m

Kathmandu Tribhuvan

Wed 18/2

2:45 p.m.-4:05 p.m.

1 stop24h 05m

C$ 675

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 20/2

10:30 p.m.-6:35 a.m.

2 stops33h 20m

C$ 278

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

Showing 1-10 of 19 results
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Best time to book a flight from Suvarnabhumi to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Suvarnabhumi with our price prediction graph.
Estimated round-trip 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 Bangkok Suvarnabhumi Airport to Kathmandu

How far ahead should I book a flight from Bangkok Suvarnabhumi Airport to Kathmandu?

Use this chart to determine the optimal time to book a round-trip flight from Suvarnabhumi to Kathmandu. Price data was last updated on 23 January 2026.

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Bangkok Suvarnabhumi Airport to Kathmandu?

Currently, July is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of C$ 166). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in October is currently the most expensive (average of C$ 324). 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 BKK to KTM?

Find hourly flight availability from Suvarnabhumi 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 29 January 2026.

When flying from Bangkok Suvarnabhumi Airport 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 29 January 2026.
Read reviews from past customers who have flown Thai AirAsia from Bangkok Suvarnabhumi Airport to Kathmandu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai AirAsia
7.5
Good
231 reviews
Check prices

Boarding

7.4

Entertainment

5.5

Comfort

6.8

Food

6.2

Crew

7.9

Overall

7.5

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move
Thai AirAsia
7.5
Good
231 reviews
Thai AirAsia
7.5
Good
231 reviews
Check prices

Boarding

7.4

Entertainment

5.5

Comfort

6.8

Food

6.2

Crew

7.9

Overall

7.5

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move

Related info for your journey

Find useful and relevant information for your journey from Suvarnabhumi 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 Bangkok Suvarnabhumi?

    Most people fly into Kathmandu Tribhuvan (KTM) if they book a flight to Kathmandu from Bangkok Suvarnabhumi. On average, Tribhuvan has 2 inbound flights from Bangkok Suvarnabhumi per day from 1 airline. Kathmandu Tribhuvan is conveniently located just 4.1 km from Kathmandu’s city centre.

  • What is the cheapest airline to fly from Bangkok Suvarnabhumi Airport to Kathmandu round-trip?

    Thai AirAsia, at C$ 269, was found to be the cheapest airline from Bangkok Suvarnabhumi Airport to Kathmandu.. You may be able to fly from Bangkok Suvarnabhumi Airport to Kathmandu for 29% less than the average price by searching for this airline.

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

    Yes. In addition to deals on Suvarnabhumi to Kathmandu flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Suvarnabhumi to Kathmandu?

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

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

    Yes. Cheapflights offers flight deals from Suvarnabhumi 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 Bangkok Suvarnabhumi Airport to Kathmandu?

    Currently, July is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of C$ 166). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in October is currently the most expensive (average of C$ 324). 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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Complete your trip

Complete your trip to Kathmandu by adding a car rental and/or hotel reservation to your travel itinerary.
Kathmandu car rentals
Kathmandu Tribhuvan Airport car rentals

Top airline flying from Suvarnabhumi to Kathmandu

Discover the top airline that operate flights from Suvarnabhumi 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 629,999 searches. Data last updated 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapestC$ 269AverageC$ 440FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Suvarnabhumi to Kathmandu?

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

Need flexible booking options for your flight to Kathmandu from Suvarnabhumi? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Suvarnabhumi to Kathmandu and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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