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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from C$ 219

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Bangkok Suvarnabhumi to Kathmandu Tribhuvan are usually found in January or August, booked 74 days in advance, depart on a Tuesday or Monday and return on a Friday

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 12 December 2025.

Sat 27/122:55 a.m.BKK - KTM
2 stops18h 25mMultiple Airlines
Wed 7/110:05 a.m.KTM - BKK
2 stops19h 50mMultiple Airlines
Deal found 11/12C$ 1,612
Sat 27/128:55 a.m.BKK - KTM
2 stops16h 35mMultiple Airlines
Mon 5/19:05 p.m.KTM - BKK
2 stops19h 40mMultiple Airlines
Deal found 11/12C$ 1,656
Mon 22/125:10 a.m.BKK - KTM
2 stops19h 35mMultiple Airlines
Sat 27/1212:30 a.m.KTM - BKK
2 stops23h 35mMultiple Airlines
Deal found 10/12C$ 2,227

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 12 December 2025.

Round-trip from

C$ 403

One-way from

C$ 219

Popular in

April

Cheapest in

January

Average price

C$ 416
SriLankan Airlines
  • SriLankan Airlines
  • 3/2-18/2
  • 2 total stops
  • 45h 55m total
  • Bangkok to Kathmandu
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IndiGo
  • IndiGo
  • 28/1
  • 1 total stop
  • 19h 35m total
  • Bangkok to Kathmandu
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 12 December 2025.
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

Tue 3/2

10:50 a.m.-12:15 p.m.

1 stop26h 40m

Kathmandu Tribhuvan

Wed 18/2

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

Nonstop3h 20m

C$ 476

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 29/1

3:30 p.m.-12:15 p.m.

1 stop22h 00m

Kathmandu Tribhuvan

Wed 11/2

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

Nonstop3h 20m

C$ 490

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 3/2

10:50 a.m.-9:50 a.m.

1 stop24h 15m

Kathmandu Tribhuvan

Tue 17/2

6:30 a.m.-8:20 p.m.

1 stop12h 35m

C$ 496

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 29/1

3:30 p.m.-4:10 p.m.

1 stop25h 55m

Kathmandu Tribhuvan

Tue 17/2

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

1 stop9h 10m

C$ 509

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 29/1

4:10 p.m.-6:35 a.m.

2 stops15h 40m

Kathmandu Tribhuvan

Thu 12/2

12:50 p.m.-12:35 p.m.

1 stop22h 30m

C$ 550

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 29/1

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

Nonstop3h 25m

Kathmandu Tribhuvan

Tue 17/2

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

Nonstop3h 30m

C$ 630

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 9/2

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

Nonstop3h 25m

Kathmandu Tribhuvan

Sun 15/2

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

Nonstop3h 30m

C$ 632

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 3/2

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

Nonstop3h 25m

Kathmandu Tribhuvan

Mon 16/2

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

Nonstop3h 30m

C$ 637

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 28/1

3:30 p.m.-9:50 a.m.

1 stop19h 35m

C$ 219

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 12/5

12:40 p.m.-11:50 a.m.

1 stop24h 25m

C$ 257

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 5 December 2025.

Booking 74 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$ 168). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in October is currently the most expensive (average of C$ 328). 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 12 December 2025.

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 12 December 2025.
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
7.4
Good
223 reviews
Check prices

Food

6.1

Comfort

6.8

Crew

7.9

Entertainment

5.5

Overall

7.4

Boarding

7.4

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
7.4
Good
223 reviews
Thai AirAsia
7.4
Good
223 reviews
Check prices

Food

6.1

Comfort

6.8

Crew

7.9

Entertainment

5.5

Overall

7.4

Boarding

7.4

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 2 airlines. Kathmandu Tribhuvan is conveniently located just 4.1 km from Kathmandu’s city centre.

  • What are the cheapest airlines flying from Bangkok Suvarnabhumi Airport to Kathmandu round-trip?

    Thai AirAsia, at C$ 296, was found to be the cheapest airline from Bangkok Suvarnabhumi Airport to Kathmandu. An alternate airline flying to your destination would be Thai Lion Air. You may be able to fly from Bangkok Suvarnabhumi Airport to Kathmandu for 24% less than the average price by searching for these airlines.

  • 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$ 168). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in October is currently the most expensive (average of C$ 328). 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 2 airlines flying from Suvarnabhumi to Kathmandu

Discover the top 2 airlines 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapestC$ 296AverageC$ 443FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapestC$ 326AverageC$ 365FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights

Fly with Cheapflights

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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?

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