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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from C$ 249

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
2 Apr — 9 Apr1
1 adult

Cheapflights Tip: The best prices from Bangkok Suvarnabhumi to Kathmandu Tribhuvan are usually found in January or August, booked 71 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap 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 28 March 2025.

Round-trip from

C$ 507

One-way from

C$ 249

Popular in

September

Cheapest in

January

Average price

C$ 446
China Southern
  • China Southern
  • 19/6-10/7
  • 2 total stops
  • 29h 40m total
  • Bangkok to Kathmandu
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China Southern
  • China Southern
  • 23/8
  • 1 total stop
  • 20h 45m total
  • Bangkok to Kathmandu
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Highest demand for flights based on searches. 8% potential increase in price (C$ 63 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Suvarnabhumi to Kathmandu

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 28 March 2025.

Thu 19/612:40 p.m.BKK - KTM
1 stop11h 05mChina Southern
Thu 10/711:30 p.m.KTM - BKK
1 stop18h 35mChina Southern
Deal found 27/3C$ 507
Mon 23/66:40 p.m.BKK - KTM
1 stop18h 35mMalaysia Airlines
Sun 13/710:45 p.m.KTM - BKK
1 stop17h 20mMalaysia Airlines
Deal found 27/3C$ 560
Wed 4/63:00 a.m.BKK - KTM
1 stop10h 05mMultiple Airlines
Mon 16/611:10 a.m.KTM - BKK
Nonstop3h 20mMultiple Airlines
Deal found 26/3C$ 562
Fri 6/64:45 p.m.BKK - KTM
Nonstop3h 30mNepal Airlines
Mon 16/611:10 a.m.KTM - BKK
Nonstop3h 20mNepal Airlines
Deal found 26/3C$ 570
Thu 5/610:15 a.m.BKK - KTM
Nonstop3h 25mThai Airways
Sun 15/612:25 a.m.KTM - BKK
Nonstop3h 30mThai Airways
Deal found 26/3C$ 683
Fri 6/67:15 p.m.BKK - KTM
2 stops21h 35mChina Eastern
Sun 15/64:35 p.m.KTM - BKK
1 stop21h 05mChina Eastern
Deal found 26/3C$ 762
Thu 15/51:05 a.m.BKK - KTM
1 stop21h 55mSingapore Airlines
Fri 23/511:00 p.m.KTM - BKK
1 stop9h 35mSingapore Airlines
Deal found 27/3C$ 1,438
Wed 18/61:35 a.m.BKK - KTM
1 stop21h 40mEmirates
Sun 13/79:00 a.m.KTM - BKK
1 stop33h 10mEmirates
Deal found 27/3C$ 1,855

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 28 March 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

Thu 19/6

12:40 p.m.-10:30 p.m.

1 stop11h 05m

Kathmandu Tribhuvan

Thu 10/7

11:30 p.m.-7:20 p.m.

1 stop18h 35m

C$ 507

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 23/6

6:40 p.m.-12:00 p.m.

1 stop18h 35m

Kathmandu Tribhuvan

Sun 13/7

10:45 p.m.-5:20 p.m.

1 stop17h 20m

C$ 560

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 4/6

3:00 a.m.-11:50 a.m.

1 stop10h 05m

Kathmandu Tribhuvan

Mon 16/6

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

Nonstop3h 20m

C$ 562

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 6/6

4:45 p.m.-7:00 p.m.

Nonstop3h 30m

Kathmandu Tribhuvan

Mon 16/6

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

Nonstop3h 20m

C$ 570

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 5/6

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

Nonstop3h 25m

Kathmandu Tribhuvan

Sun 15/6

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

Nonstop3h 30m

C$ 683

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 6/6

7:15 p.m.-3:35 p.m.

2 stops21h 35m

Kathmandu Tribhuvan

Sun 15/6

4:35 p.m.-2:55 p.m.

1 stop21h 05m

C$ 762

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 18/6

1:35 a.m.-10:00 p.m.

1 stop21h 40m

Kathmandu Tribhuvan

Sun 13/7

9:00 a.m.-7:25 p.m.

1 stop33h 10m

C$ 1,855

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 23/8

3:00 a.m.-10:30 p.m.

1 stop20h 45m

C$ 249

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 6/8

3:20 p.m.-12:15 p.m.

1 stop22h 10m

C$ 260

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 3/4

5:45 p.m.-9:50 a.m.

1 stop17h 20m

C$ 279

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/3

Showing 1-10 of 20 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 21 March 2025.

Booking 71 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, May is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of C$ 1,458). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in December is currently the most expensive (average of C$ 2,037). 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 28 March 2025.

One of the essential ways to save on airfare from Bangkok Suvarnabhumi Airport to Kathmandu is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 51% on airfare.

Weekly flight availability from Bangkok Suvarnabhumi Airport to Kathmandu

Explore weekly flight availability from Suvarnabhumi 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 28 March 2025.

The most flights from BKK 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).

Rainfall in Kathmandu by month

Plan your trip to Kathmandu by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kathmandu ranges from 0.0 - 370.0 mm per month. July is typically the wettest month, when rainfall can reach 370.0 mm. November is typically the driest time to visit Kathmandu when rainfall is around 0.0 mm.

Temperature in Kathmandu by month

Plan your trip to Kathmandu by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kathmandu, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

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 28 March 2025.
Get a feel of what it's like to fly with Singapore Airlines, Emirates and Thai Airways from Bangkok to Kathmandu by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,285 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

MAA - SIN

Everything was bad and when asked for upgrade to business class they said it was full but I saw a lot of empty seats . So people don’t do a good service there
Singapore Airlines
8.1
Very good
1,285 reviews
Singapore Airlines
8.1
Very good
1,285 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

MAA - SIN

Everything was bad and when asked for upgrade to business class they said it was full but I saw a lot of empty seats . So people don’t do a good service there
Emirates
8.0
Very good
3,190 reviews
Singapore Airlines
8.1
Very good
1,285 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

MAA - SIN

Everything was bad and when asked for upgrade to business class they said it was full but I saw a lot of empty seats . So people don’t do a good service there
Thai Airways
7.8
Good
317 reviews
Singapore Airlines
8.1
Very good
1,285 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

MAA - SIN

Everything was bad and when asked for upgrade to business class they said it was full but I saw a lot of empty seats . So people don’t do a good service there
Cathay Pacific
7.5
Good
837 reviews
Singapore Airlines
8.1
Very good
1,285 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

MAA - SIN

Everything was bad and when asked for upgrade to business class they said it was full but I saw a lot of empty seats . So people don’t do a good service there
China Southern
7.5
Good
94 reviews
Singapore Airlines
8.1
Very good
1,285 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

MAA - SIN

Everything was bad and when asked for upgrade to business class they said it was full but I saw a lot of empty seats . So people don’t do a good service there

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 3 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?

    China Southern, at C$ 507, was found to be the cheapest airline from Bangkok Suvarnabhumi Airport to Kathmandu.Alternate airlines to your destination round-trip include Malaysia Airlines and Nepal Airlines.

  • What are the cheapest airlines to fly from Bangkok Suvarnabhumi Airport to Kathmandu one-way?

    For one-way options, check prices for China Southern. According to our data, you can fly for as low as C$ 249. Users have also found prices from C$ 260 and C$ 279 on SriLankan Airlines and IndiGo, respectively.

  • 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, May is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of C$ 1,458). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in December is currently the most expensive (average of C$ 2,037). 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 3 airlines flying from Suvarnabhumi to Kathmandu

Discover the top 3 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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapestC$ 291AverageC$ 353FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapestC$ 338AverageC$ 448FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirwaysCheapestC$ 680AverageC$ 846FlexibilityNo cancel feeOn-time77%
Search Thai Airways 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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