How often are flights from Bangkok to Kathmandu delayed?

Historically, on average around 37% of flights between Bangkok and Kathmandu have experienced a delay on any given week. The average delay length over the past 12 months has been 100 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Bangkok Suvarnabhumi to Kathmandu Tribhuvan?

SriLankan Airlines, Thai Airways, and Sichuan Airlines are the most popular carriers operating from Bangkok Suvarnabhumi to Kathmandu Tribhuvan

Which airlines fly to Kathmandu?

Thai Lion Air, Thai AirAsia and Nepal Airlines are the top three most popular airlines that fly to Kathmandu from Bangkok Suvarnabhumi Airport according to our data. Thai Lion Air is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Kathmandu. Keep in mind that there are 3 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.

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

According to our data, Thai Airways have had the fewest delays on this route over the last 12 months, with about 29% of their flights experiencing any sort of delay.

When did momondo last update prices for flights from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport?

Prices for flights from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport are refreshed on a daily basis.

What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

The travel and health documents you'll need for your trip to Kathmandu Tribhuvan Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$309 Cheap Flights from Bangkok Suvarnabhumi Airport to Kathmandu in 2025/26

Q: How many flights depart from Bangkok Suvarnabhumi Airport to Kathmandu on average per week?

The number of flights available between Bangkok Suvarnabhumi Airport and Kathmandu is 17 per week as of October 2025. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

Q: How many flights depart from Bangkok Suvarnabhumi Airport to Kathmandu on average per day?

The number of flights available between Bangkok Suvarnabhumi Airport and Kathmandu is 2 per day as of October 2025. The most frequent departure time is 21:00, with 43% of daily flights leaving in the evening.

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02:10 - 11:30BKK-KTM

10h 35m1 stop

23:30 - 10:10KTM-BKK

9h 25m1 stop

$488China Southern

Find Deal

Sun, 9 Nov - Fri, 14 Nov

10:50 - 08:25BKK-KTM

22h 50m1 stop

14:00 - 20:20KTM-BKK

29h 05m1 stop

$509Multiple Airlines

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Sun, 16 Nov - Sun, 23 Nov

17:05 - 09:05BKK-KTM

17h 15m2 stops

06:30 - 20:20KTM-BKK

12h 35m1 stop

$574Air India

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Mon, 10 Nov - Fri, 14 Nov

10:50 - 08:25BKK-KTM

22h 50m1 stop

13:30 - 18:15KTM-BKK

3h 30mdirect

$585Multiple Airlines

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Sun, 16 Nov - Sun, 23 Nov

02:10 - 11:30BKK-KTM

10h 35m1 stop

11:10 - 15:45KTM-BKK

3h 20mdirect

$614Multiple Airlines

Find Deal

Sun, 9 Nov - Fri, 14 Nov

16:45 - 19:00BKK-KTM

3h 30mdirect

11:10 - 15:45KTM-BKK

3h 20mdirect

$617Nepal Airlines

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Mon, 10 Nov - Fri, 14 Nov

20:50 - 13:45BKK-KTM

18h 10m2 stops

14:00 - 20:20KTM-BKK

29h 05m1 stop

$642Air India

Find Deal

Sun, 16 Nov - Sun, 23 Nov

21:15 - 23:25BKK-KTM

3h 25mdirect

00:25 - 05:10KTM-BKK

3h 30mdirect

$746Thai Airways

Find Deal

Mon, 10 Nov - Thu, 13 Nov

05:40 - 21:45BKK-KTM

17h 20m1 stop

22:45 - 16:20KTM-BKK

16h 20m1 stop

$882Malaysia Airlines

Find Deal

Fri, 20 Mar - Tue, 31 Mar

18:40 - 21:45BKK-KTM

28h 20m1 stop

22:45 - 17:20KTM-BKK

17h 20m1 stop

$889Malaysia Airlines

Find Deal

Sat, 21 Mar - Tue, 31 Mar

China Southern flights from Bangkok Suvarnabhumi Airport to Kathmandu

Our best China Southern deals on Bangkok Suvarnabhumi Airport to Kathmandu flight tickets

China Southern

9 Nov

BKK02:10Bangkok Suvarnabhumi

10h 35m

1 stop

KTM11:30Kathmandu Tribhuvan

14 Nov

KTM23:30Kathmandu Tribhuvan

9h 25m

1 stop

BKK10:10Bangkok Suvarnabhumi

$488

Find similar

China Southern

15 Nov

BKK02:10Bangkok Suvarnabhumi

10h 35m

1 stop

KTM11:30Kathmandu Tribhuvan

23 Nov

KTM23:30Kathmandu Tribhuvan

16h 20m

1 stop

BKK17:05Bangkok Suvarnabhumi

$628

Find similar

Air India flights from Bangkok Suvarnabhumi Airport to Kathmandu

Our best Air India deals on Bangkok Suvarnabhumi Airport to Kathmandu flight tickets

Air India

10 Nov

BKK17:05Bangkok Suvarnabhumi

17h 15m

2 stops

KTM09:05Kathmandu Tribhuvan

14 Nov

KTM06:30Kathmandu Tribhuvan

12h 35m

1 stop

BKK20:20Bangkok Suvarnabhumi

$574

Find similar

Air India

16 Nov

BKK20:50Bangkok Suvarnabhumi

18h 10m

2 stops

KTM13:45Kathmandu Tribhuvan

23 Nov

KTM14:00Kathmandu Tribhuvan

29h 05m

1 stop

BKK20:20Bangkok Suvarnabhumi

$642

Find similar

Air India

16 Nov

BKK20:50Bangkok Suvarnabhumi

18h 10m

2 stops

KTM13:45Kathmandu Tribhuvan

23 Nov

KTM14:45Kathmandu Tribhuvan

21h 35m

2 stops

BKK13:35Bangkok Suvarnabhumi

$676

Find similar

momondo 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

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 9/11

02:10-11:30

1 stop10h 35m

Kathmandu Tribhuvan

Fri 14/11

23:30-10:10

1 stop9h 25m

$488

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 16/11

10:50-08:25

1 stop22h 50m

Kathmandu Tribhuvan

Sun 23/11

14:00-20:20

1 stop29h 05m

$509

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 10/11

17:05-09:05

2 stops17h 15m

Kathmandu Tribhuvan

Fri 14/11

06:30-20:20

1 stop12h 35m

$574

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 16/11

10:50-08:25

1 stop22h 50m

Kathmandu Tribhuvan

Sun 23/11

13:30-18:15

Nonstop3h 30m

$585

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 9/11

02:10-11:30

1 stop10h 35m

Kathmandu Tribhuvan

Fri 14/11

11:10-15:45

Nonstop3h 20m

$614

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 10/11

16:45-19:00

Nonstop3h 30m

Kathmandu Tribhuvan

Fri 14/11

11:10-15:45

Nonstop3h 20m

$617

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 16/11

20:50-13:45

2 stops18h 10m

Kathmandu Tribhuvan

Sun 23/11

14:00-20:20

1 stop29h 05m

$642

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 10/11

21:15-23:25

Nonstop3h 25m

Kathmandu Tribhuvan

Thu 13/11

00:25-05:10

Nonstop3h 30m

$746

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 20/3

05:40-21:45

1 stop17h 20m

Kathmandu Tribhuvan

Tue 31/3

22:45-16:20

1 stop16h 20m

$882

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 21/3

18:40-21:45

1 stop28h 20m

Kathmandu Tribhuvan

Tue 31/3

22:45-17:20

1 stop17h 20m

$889

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bangkok Suvarnabhumi Airport to Kathmandu

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Bangkok Suvarnabhumi Airport and Kathmandu?

What is the cheapest month to fly to Kathmandu?

The cheapest month to fly to Kathmandu from Bangkok Suvarnabhumi Airport is in January. Flight prices, which tend to average around $392, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Kathmandu from Bangkok Suvarnabhumi Airport during June instead. Flights to Kathmandu in June, while not as cheap as those in January, still average around $399.

What is the cheapest day to depart on your flight to Kathmandu?

The cheapest day to depart from Bangkok Suvarnabhumi Airport to Kathmandu is on a Wednesday when prices can be found for as low as $599. Flights from Bangkok Suvarnabhumi Airport to Kathmandu on a Saturday will generally be more expensive and average around $778. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Kathmandu?

Flying to Kathmandu from Bangkok Suvarnabhumi Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $409 when looking at flights departing in the morning. Flights to Kathmandu are more costly in the evening, with an average ticket price of $839. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Bangkok Suvarnabhumi to Kathmandu Tribhuvan flight route?

Fly from Bangkok Suvarnabhumi to Kathmandu Tribhuvan for the best Bangkok Suvarnabhumi - Kathmandu Tribhuvan flight prices

How far in advance should I book a flight to Kathmandu?

You are more likely to see cheaper flights to Kathmandu from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $442 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Bangkok Suvarnabhumi Airport for as low as $396 on momondo.

What cabin class options are available on Bangkok Suvarnabhumi to Kathmandu Tribhuvan flights?

There are 2 cabin classes available to choose from on Bangkok Suvarnabhumi to Kathmandu Tribhuvan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Bangkok Suvarnabhumi Airport to Kathmandu flights?

You could potentially save up to 25% on your flight if you consider stops on a Bangkok Suvarnabhumi Airport to Kathmandu flight.

How have Bangkok Suvarnabhumi Airport to Kathmandu flight prices changed over time?

As of October 2025, prices for Bangkok Suvarnabhumi Airport to Kathmandu flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from Bangkok Suvarnabhumi Airport to Kathmandu

Are you open to changing your travel dates? Check out the ideal times to fly from Bangkok Suvarnabhumi Airport to Kathmandu according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Bangkok Suvarnabhumi Airport to Kathmandu (BKK to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok Suvarnabhumi Airport to Kathmandu

Fastest flight time	3h 25m
Direct flights	Mon and Tue
Airports in Kathmandu	1 airport

The fastest flight from Bangkok Suvarnabhumi Airport to Kathmandu takes 3h 25m

Direct flights go from Bangkok Suvarnabhumi Airport to Kathmandu on Monday and Tuesday. There are no airlines offering direct flights..

There is 1 airport near Kathmandu: Kathmandu Tribhuvan (KTM)

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How far is Bangkok Suvarnabhumi to Kathmandu Tribhuvan by plane?
The straight-line distance from Bangkok Suvarnabhumi to Kathmandu Tribhuvan is 2231.4 km. Typically, this will take 3h 25m by plane in normal conditions.
When did momondo last update prices for flights from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport?
Prices for flights from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport?
There are 3 operators available for flights from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport as of October 2025.
How old do you have to be to fly from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport.
What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?
The travel and health documents you'll need for your trip to Kathmandu Tribhuvan Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Bangkok Suvarnabhumi Airport to Kathmandu?
momondo data reveals that the most frequently booked plane model on the route from Bangkok Suvarnabhumi Airport to Kathmandu is Airbus A320-100/200, representing 25.83% of all bookings. The subsequent popular models are Airbus A320neo at 20.83%, Boeing 737-800 at 19.58%, and Boeing 777-200/200ER at 19.17%.
What is the most popular airline from Bangkok Suvarnabhumi Airport to Kathmandu?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Bangkok Suvarnabhumi Airport to Kathmandu is Thai Lion Air (45% of total bookings). The next most popular airlines are Thai AirAsia (39%) and Nepal Airlines (15%).

Best airlines flying from Bangkok Suvarnabhumi Airport to Kathmandu

Compare and see reviews for airlines that fly from Bangkok Suvarnabhumi Airport to Kathmandu with momondo

Airline	Rating	Free cancellation	Price
Thai AirAsia	PriceFrom $322	Free cancellation	Rating 7.5 217 reviews	Search Thai AirAsia flights
Thai Lion Air	PriceFrom $324	Free cancellation	Rating 0.0 0 reviews	Search Thai Lion Air flights
Nepal Airlines	PriceFrom $584	Free cancellation	Rating 0.0 0 reviews	Search Nepal Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to Kathmandu?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kathmandu from Bangkok.

Can I find flights from Bangkok to Kathmandu with flexible booking policies on momondo?

All flight searches from Bangkok to Kathmandu on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Bangkok to Kathmandu?

Once you have performed a search for Bangkok to Kathmandu flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Bangkok to Kathmandu right now. Can momondo alert me if prices change?

Price alerts on flights to Kathmandu from Bangkok are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Kathmandu trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from $309

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China Southern flights from Bangkok Suvarnabhumi Airport to Kathmandu

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Air India flights from Bangkok Suvarnabhumi Airport to Kathmandu

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How to get the cheapest flight ticket from Bangkok Suvarnabhumi Airport to Kathmandu

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Bangkok Suvarnabhumi Airport and Kathmandu?

What is the cheapest month to fly to Kathmandu?

What is the cheapest day to depart on your flight to Kathmandu?

What is the cheapest time of day to depart on your flight to Kathmandu?

What is the cheapest Bangkok Suvarnabhumi to Kathmandu Tribhuvan flight route?

Fly from Bangkok Suvarnabhumi to Kathmandu Tribhuvan for the best Bangkok Suvarnabhumi - Kathmandu Tribhuvan flight prices

How far in advance should I book a flight to Kathmandu?

What cabin class options are available on Bangkok Suvarnabhumi to Kathmandu Tribhuvan flights?

There are 2 cabin classes available to choose from on Bangkok Suvarnabhumi to Kathmandu Tribhuvan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Bangkok Suvarnabhumi Airport to Kathmandu flights?

You could potentially save up to 25% on your flight if you consider stops on a Bangkok Suvarnabhumi Airport to Kathmandu flight.

How have Bangkok Suvarnabhumi Airport to Kathmandu flight prices changed over time?

As of October 2025, prices for Bangkok Suvarnabhumi Airport to Kathmandu flights are approximately 24% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Bangkok Suvarnabhumi to Kathmandu Tribhuvan?

SriLankan Airlines, Thai Airways, and Sichuan Airlines are the most popular carriers operating from Bangkok Suvarnabhumi to Kathmandu Tribhuvan

Which airlines fly to Kathmandu?

How often are flights from Bangkok to Kathmandu delayed?

Historically, on average around 37% of flights between Bangkok and Kathmandu have experienced a delay on any given week. The average delay length over the past 12 months has been 100 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Thai Airways have had the fewest delays on this route over the last 12 months, with about 29% of their flights experiencing any sort of delay.

How many flights depart from Bangkok Suvarnabhumi Airport to Kathmandu on average per day?

The number of flights available between Bangkok Suvarnabhumi Airport and Kathmandu is 2 per day as of October 2025. The most frequent departure time is 21:00, with 43% of daily flights leaving in the evening.

How many flights depart from Bangkok Suvarnabhumi Airport to Kathmandu on average per week?

The number of flights available between Bangkok Suvarnabhumi Airport and Kathmandu is 17 per week as of October 2025. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

When to book flights from Bangkok Suvarnabhumi Airport to Kathmandu

Cheap Bangkok Suvarnabhumi Airport to Kathmandu (BKK to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok Suvarnabhumi Airport to Kathmandu

Fastest flight time

Direct flights

Airports in Kathmandu

How far is Bangkok Suvarnabhumi to Kathmandu Tribhuvan by plane?

When did momondo last update prices for flights from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport?

How many operators does momondo search for flights from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport?

How old do you have to be to fly from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport?

What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

What is the most popular plane model from Bangkok Suvarnabhumi Airport to Kathmandu?

What is the most popular airline from Bangkok Suvarnabhumi Airport to Kathmandu?

Best airlines flying from Bangkok Suvarnabhumi Airport to Kathmandu

Compare and see reviews for airlines that fly from Bangkok Suvarnabhumi Airport to Kathmandu with momondo

Travelling to a place near Kathmandu?

Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to Kathmandu?

Can I find flights from Bangkok to Kathmandu with flexible booking policies on momondo?

How can momondo help me find flights from Bangkok to Kathmandu?

I’m not ready to book a flight from Bangkok to Kathmandu right now. Can momondo alert me if prices change?

An easier way to manage your Kathmandu trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Nepal

Fly your favourite airline to Kathmandu

Airlines are sorted and displayed according to clicks in the past 7 days on momondo