What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

How often are flights from Bangkok to Kathmandu delayed?

About 27% of weekly flights between Bangkok and Kathmandu have experienced delays in the past year, with the average delay time being 87 minutes.

What is the most punctual flight time for Bangkok to Kathmandu flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Which airline has the best punctuality record on Bangkok to Kathmandu flights?

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 20% of flights being delayed.

How long is the flight from Bangkok Suvarnabhumi Airport to Kathmandu?

Sichuan Airlines and Malaysia Airlines can get you from Bangkok Suvarnabhumi Airport to Kathmandu in just under 10h 35m. Your travel time can differ by up to 17h 45m. There are 1384 mi between Bangkok Suvarnabhumi Airport and Kathmandu. This flight may include one or multiple stops.

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

Our cheapest airline available from Bangkok Suvarnabhumi Airport to Kathmandu is Thai Lion Air. Our recent data shows that you can find tickets from as low as £82 on this airline. Additional options worth looking into are Thai AirAsia and Thai Airways, starting at £185 and £302 round-trip. Thai Lion Air is currently priced 67% below the average price you’ll pay for this route.

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

The cheapest airline one-way is Thai Lion Air, with whom users have recently found tickets for as low as £69. However, be on the lookout for offers from Thai AirAsia and Thai Airways, as they are both options that can get you from Bangkok Suvarnabhumi Airport to Kathmandu for a low price.

In terms of precipitation, rainfall in Kathmandu ranges from 0.0 - 370.0 inches 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.

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).

What are the most popular airlines that fly from Bangkok Suvarnabhumi Airport to Kathmandu?

When booking a flight from Bangkok Suvarnabhumi Airport to Kathmandu, you may want to consider flying on Thai AirAsia, Thai Lion Air or Thai Airways as they are the most popular for this route.

What airport do you fly into for flights to Kathmandu from Bangkok Suvarnabhumi?

Kathmandu Tribhuvan (KTM), located 2.5 mi from the city center, is the airport you fly into when you book flights from Bangkok Suvarnabhumi to Kathmandu. 3 airlines have flights to Tribhuvan from Bangkok Suvarnabhumi on a regular basis. Booking flights from Bangkok Suvarnabhumi to Kathmandu Tribhuvan should not be difficult; the airport handles an average of 1 inbound flight from Bangkok Suvarnabhumi per day.

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 holiday 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.

£156+ Cheap Flights from Bangkok Suvarnabhumi Airport to Kathmandu

Cheap flight deals from Suvarnabhumi to Kathmandu

Enter your travel dates to find the best prices.

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One-way

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 18 September 2026.

Fri 11/1222:20 -

1 stop12h 00m

Wed 16/1206:30 -

1 stop13h 00m

Deal found 18/9£319

Mon 14/1221:15 -

Nonstop3h 25m

Thu 17/1213:30 -

Nonstop3h 30m

Deal found 18/9£322

Mon 2/1116:45 -

Nonstop3h 30m

Mon 9/1111:10 -

Nonstop3h 20m

Deal found 18/9£326

Mon 14/1222:20 -

1 stop12h 00m

Thu 17/1213:30 -

Nonstop3h 30m

Deal found 18/9£329

Tue 15/1215:10 -

1 stop9h 00m

Wed 16/1200:25 -

Nonstop3h 30m

Deal found 18/9£331

Mon 14/1222:20 -

1 stop12h 00m

Thu 17/1207:35 -

1 stop11h 55m

Deal found 18/9£338

Mon 2/1108:05 -

1 stop16h 05m

Mon 9/1117:10 -

1 stop26h 20m

Deal found 18/9£351

Tue 27/1013:55 -

1 stop24h 00m

Sat 31/1006:30 -

1 stop10h 40m

Deal found 17/9£357

Wed 28/1008:10 -

1 stop28h 55m

Sun 1/1106:30 -

1 stop13h 00m

Deal found 16/9£360

Find flight deals from Suvarnabhumi to Kathmandu

Round-trip from	£299
One-way from	£156
Popular in	July
Cheapest in	January
Average price	£326

SriLankan Airlines
7/3-12/4
2 total stops
34h 40m total
Bangkok to Kathmandu

Search Deals

Air India
22/11-31/12
1 total stop
12h 00m total
Bangkok to Kathmandu

Search Deals

Highest demand for flights based on searches. 23% potential increase in price (£60 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Fri 20/11

08:05-09:05

1 stop26h 15m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

£162

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Sun 22/11

18:55-11:30

1 stop17h 50m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

£163

Fastest return journey

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Sat 21/11

21:15-23:25

Nonstop3h 25m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

£176

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Fri 20/11

10:15-12:25

Nonstop3h 25m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

£179

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Fri 16/10

22:25-10:40

1 stop13h 30m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

£294

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Tue 16/3

20:05-20:40

2 stops25h 50m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

£301

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Sun 20/12

16:05-20:40

2 stops29h 50m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

£314

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Fri 30/10

06:35-12:00

1 stop30h 40m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

£401

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Sat 21/11

23:40-09:45

3 stops35h 20m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

£451

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Sun 18/10

15:45-21:00

2 stops30h 30m

Kathmandu Tribhuvan

Wed 31/12

00:00-01:30

Nonstop0h 00m

£478

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 22 resultsSorted by cheapest first

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.

BKK-KTM

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 Bangkok Suvarnabhumi Airport to Kathmandu

Prices

Delays

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

The price you pay for your flight from Bangkok Suvarnabhumi Airport to Kathmandu may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of £183). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in July is currently the most expensive (average of £355). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bangkok Suvarnabhumi Airport to Kathmandu as you normally would.

How much does it cost for a return flight from Bangkok Suvarnabhumi Airport to Kathmandu?

Airfare is typical for this route at the moment.

Bangkok Suvarnabhumi Airport to Kathmandu flights typically cost between £248 and £348 in March.
The cheapest return price found within the last 5 days was £299 on Multiple Airlines (7 Mar–12 Apr).

Reviews of airlines servicing Kathmandu

Read reviews from past customers who have flown with Thai Airways,Thai AirAsia, andThai Lion Air 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 Airways

7.9

Good

420 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Thai Airways

7.9

Good

420 reviews

Thai Airways

7.9

Good

420 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

Thai AirAsia

7.5

Good

249 reviews

Thai Airways

7.9

Good

420 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

Thai Lion Air

7.0

Good

49 reviews

Thai Airways

7.9

Good

420 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

Related info for your journey

What airport do you fly into for flights to Kathmandu from Bangkok Suvarnabhumi?
Kathmandu Tribhuvan (KTM), located 2.5 mi from the city center, is the airport you fly into when you book flights from Bangkok Suvarnabhumi to Kathmandu. 3 airlines have flights to Tribhuvan from Bangkok Suvarnabhumi on a regular basis. Booking flights from Bangkok Suvarnabhumi to Kathmandu Tribhuvan should not be difficult; the airport handles an average of 1 inbound flight from Bangkok Suvarnabhumi per day.
How long is the flight from Bangkok Suvarnabhumi Airport to Kathmandu?
Sichuan Airlines and Malaysia Airlines can get you from Bangkok Suvarnabhumi Airport to Kathmandu in just under 10h 35m. Your travel time can differ by up to 17h 45m. There are 1384 mi between Bangkok Suvarnabhumi Airport and Kathmandu. This flight may include one or multiple stops.
What are the cheapest airlines flying from Bangkok Suvarnabhumi Airport to Kathmandu round-trip?
Our cheapest airline available from Bangkok Suvarnabhumi Airport to Kathmandu is Thai Lion Air. Our recent data shows that you can find tickets from as low as £82 on this airline. Additional options worth looking into are Thai AirAsia and Thai Airways, starting at £185 and £302 round-trip. Thai Lion Air is currently priced 67% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Bangkok Suvarnabhumi Airport to Kathmandu one-way?
The cheapest airline one-way is Thai Lion Air, with whom users have recently found tickets for as low as £69. However, be on the lookout for offers from Thai AirAsia and Thai Airways, as they are both options that can get you from Bangkok Suvarnabhumi Airport to Kathmandu for a low price.
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 holiday 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, January is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of £183). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in July is currently the most expensive (average of £355). 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

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Kathmandu Tribhuvan Airport car hire

Top 3 airlines flying from Suvarnabhumi to Kathmandu

Airline	Cheapest	Average	Flexibility	On-time
Thai Lion Air	Cheapest£82	Average£170	FlexibilityNo cancel fee	On-timeN/A	Search Thai Lion Air flights
Thai AirAsia	Cheapest£185	Average£190	FlexibilityNo cancel fee	On-time87%	Search Thai AirAsia flights
Thai Airways	Cheapest£302	Average£406	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

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

Cheapflights makes it easy to find Suvarnabhumi to Kathmandu flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Suvarnabhumi to Kathmandu by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Kathmandu from Suvarnabhumi shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kathmandu from Suvarnabhumi today and book when prices fit your budget.

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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from £156

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Suvarnabhumi to Kathmandu

Cheapest flights from Suvarnabhumi to KathmanduExplore 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 18 September 2026.

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 18 September 2026.

Best flights from Suvarnabhumi to KathmanduDiscover carefully curated flight deals from Suvarnabhumi to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Discover carefully curated flight deals from Suvarnabhumi to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Suvarnabhumi to KathmanduExplore direct flight options from Suvarnabhumi to Kathmandu based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Explore direct flight options from Suvarnabhumi to Kathmandu based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Suvarnabhumi to KathmanduDiscover last-minute flight deals from Suvarnabhumi to Kathmandu. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Suvarnabhumi to Kathmandu. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Suvarnabhumi to KathmanduSearch for one-way flight options from Suvarnabhumi to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Suvarnabhumi to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Find flight deals from Suvarnabhumi to Kathmandu

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Kathmandu that are best for you.

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.

Cheapflights Insights

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

The price you pay for your flight from Bangkok Suvarnabhumi Airport to Kathmandu may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

What is the cheapest time of day to fly from BKK to KTM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bangkok Suvarnabhumi Airport to Kathmandu as you normally would.

How much does it cost for a return flight from Bangkok Suvarnabhumi Airport to Kathmandu?

Airfare is typical for this route at the moment.

Bangkok Suvarnabhumi Airport to Kathmandu flights typically cost between £248 and £348 in March.The cheapest return price found within the last 5 days was £299 on Multiple Airlines (7 Mar–12 Apr).

How often are flights from Bangkok to Kathmandu delayed?

About 27% of weekly flights between Bangkok and Kathmandu have experienced delays in the past year, with the average delay time being 87 minutes.

What is the most punctual flight time for Bangkok to Kathmandu flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Bangkok to Kathmandu flights?

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 20% of flights being delayed.

Reviews of airlines servicing Kathmandu

Related info for your journey

What airport do you fly into for flights to Kathmandu from Bangkok Suvarnabhumi?

How long is the flight from Bangkok Suvarnabhumi Airport to Kathmandu?

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

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

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

How can I find direct flights from Suvarnabhumi to Kathmandu?

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

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

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Other flights to Kathmandu

Explore flights to Kathmandu departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.

Suvarnabhumi and Kathmandu flights

Browse other Suvarnabhumi and Kathmandu flight options. Last updated on 18 September 2026.

Other flights from Suvarnabhumi

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Top 3 airlines flying from Suvarnabhumi to Kathmandu

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

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

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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 18 September 2026.

Best flights from Suvarnabhumi to Kathmandu
Discover carefully curated flight deals from Suvarnabhumi to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Suvarnabhumi to Kathmandu
Explore direct flight options from Suvarnabhumi to Kathmandu based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Suvarnabhumi to Kathmandu
Discover last-minute flight deals from Suvarnabhumi to Kathmandu. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Suvarnabhumi to Kathmandu
Search for one-way flight options from Suvarnabhumi to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Bangkok Suvarnabhumi Airport to Kathmandu flights typically cost between £248 and £348 in March.
The cheapest return price found within the last 5 days was £299 on Multiple Airlines (7 Mar–12 Apr).