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

Thai AirAsia, Thai Lion Air, and SriLankan Airlines are the most popular carriers operating from Kathmandu Tribhuvan to Bangkok

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

The number of flights available between Kathmandu and Bangkok is 3 per day as of August 2025. The most frequent departure time is 1:00PM, with 65% of daily flights leaving in the afternoon.

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

As of August 2025, there are 25 flights per week flying from Kathmandu to Bangkok. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

What airlines fly to Bangkok?

Thai AirAsia, Thai Airways and Thai Lion Air are the top three most popular airlines that fly to Bangkok from Kathmandu according to our data. Thai AirAsia is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 5 different airlines that fly to Bangkok on a routine basis, so you have a few additional options to choose from.

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

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

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

As of August 2025, there are 5 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Bangkok.

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

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 Kathmandu Tribhuvan Airport to Bangkok.

What documentation or ID do you need to fly to Bangkok?

The travel and health documents required for your trip to Bangkok can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bangkok. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$124 Cheap Flights from Kathmandu to Bangkok in 2025

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Find the cheapest flights from Kathmandu to Bangkok

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:00 pm - 7:35 pmKTM-DMK

3h 20mnonstop

12:00 pm - 2:00 pmDMK-KTM

3h 15mnonstop

$218Thai AirAsia

Find Deal

Fri, Sep 12 - Thu, Sep 18

3:00 pm - 7:35 pmKTM-DMK

3h 20mnonstop

11:00 am - 1:15 pmDMK-KTM

3h 30mnonstop

$219

Find Deal

Wed, Feb 11 - Fri, Feb 20

2:15 pm - 6:50 pmKTM-DMK

3h 20mnonstop

11:00 am - 1:15 pmDMK-KTM

3h 30mnonstop

$242Thai Lion Air

Find Deal

Fri, Nov 21 - Tue, Nov 25

2:15 pm - 6:50 pmKTM-DMK

3h 20mnonstop

11:00 am - 1:15 pmDMK-KTM

3h 30mnonstop

$249Thai Lion Air

Find Deal

Tue, Nov 4 - Tue, Nov 11

12:25 am - 5:10 amKTM-BKK

3h 30mnonstop

10:15 am - 12:25 pmBKK-KTM

3h 25mnonstop

$323Thai Airways

Find Deal

Fri, Jan 9 - Sat, Jan 17

12:35 am - 5:20 amKTM-BKK

3h 30mnonstop

9:25 pm - 11:35 pmBKK-KTM

3h 25mnonstop

$328Thai Airways

Find Deal

Fri, Oct 3 - Sat, Oct 18

11:10 am - 3:45 pmKTM-BKK

3h 20mnonstop

4:45 pm - 7:00 pmBKK-KTM

3h 30mnonstop

$341Nepal Airlines

Find Deal

Fri, Sep 26 - Fri, Oct 3

11:10 am - 3:45 pmKTM-BKK

3h 20mnonstop

4:45 pm - 7:00 pmBKK-KTM

3h 30mnonstop

$389Nepal Airlines

Find Deal

Wed, Sep 24 - Fri, Oct 3

6:45 pm - 3:00 pmKTM-BKK

19h 00m1 stop

4:15 pm - 5:45 pmBKK-KTM

26h 45m1 stop

$391Biman Bangladesh

Find Deal

Mon, Sep 15 - Sun, Sep 21

3:00 pm - 3:00 pmKTM-BKK

22h 45m1 stop

4:15 pm - 3:00 pmBKK-KTM

24h 00m1 stop

$393Biman Bangladesh

Find Deal

Sat, Oct 11 - Sat, Oct 18

Air India flights from Kathmandu to Bangkok

Our best Air India deals on Kathmandu to Bangkok flight tickets

Air India

Sep 24

KTM7:35 amKathmandu Tribhuvan

8h 05m

1 stop

BKK4:55 pmBangkok Suvarnabhumi

Sep 30

BKK10:25 pmBangkok Suvarnabhumi

25h 50m

1 stop

KTM11:00 pmKathmandu Tribhuvan

$314

Find similar

Air India

Sep 23

KTM7:35 amKathmandu Tribhuvan

8h 05m

1 stop

BKK4:55 pmBangkok Suvarnabhumi

Sep 30

BKK10:25 pmBangkok Suvarnabhumi

25h 50m

1 stop

KTM11:00 pmKathmandu Tribhuvan

$318

Find similar

Air India

Sep 25

KTM5:30 pmKathmandu Tribhuvan

22h 10m

1 stop

BKK4:55 pmBangkok Suvarnabhumi

Oct 2

BKK5:55 pmBangkok Suvarnabhumi

13h 55m

1 stop

KTM6:35 amKathmandu Tribhuvan

$327

Find similar

Biman Bangladesh flights from Kathmandu to Bangkok

Our best Biman Bangladesh deals on Kathmandu to Bangkok flight tickets

Biman Bangladesh

Sep 15

KTM6:45 pmKathmandu Tribhuvan

19h 00m

1 stop

BKK3:00 pmBangkok Suvarnabhumi

Sep 21

BKK4:15 pmBangkok Suvarnabhumi

26h 45m

1 stop

KTM5:45 pmKathmandu Tribhuvan

$391

Find similar

Biman Bangladesh

Oct 11

KTM3:00 pmKathmandu Tribhuvan

22h 45m

1 stop

BKK3:00 pmBangkok Suvarnabhumi

Oct 18

BKK4:15 pmBangkok Suvarnabhumi

24h 00m

1 stop

KTM3:00 pmKathmandu Tribhuvan

$393

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Fri 9/12

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Thu 9/18

12:00 pm-2:00 pm

Nonstop3h 15m

$218

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Wed 2/11

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Fri 2/20

11:00 am-1:15 pm

Nonstop3h 30m

$219

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Fri 11/21

2:15 pm-6:50 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Tue 11/25

11:00 am-1:15 pm

Nonstop3h 30m

$242

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

Tue 11/4

2:15 pm-6:50 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

Tue 11/11

11:00 am-1:15 pm

Nonstop3h 30m

$249

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 1/9

12:25 am-5:10 am

Nonstop3h 30m

Bangkok Suvarnabhumi

Sat 1/17

10:15 am-12:25 pm

Nonstop3h 25m

$323

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 10/3

12:35 am-5:20 am

Nonstop3h 30m

Bangkok Suvarnabhumi

Sat 10/18

9:25 pm-11:35 pm

Nonstop3h 25m

$328

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 9/26

11:10 am-3:45 pm

Nonstop3h 20m

Bangkok Suvarnabhumi

Fri 10/3

4:45 pm-7:00 pm

Nonstop3h 30m

$341

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 9/24

11:10 am-3:45 pm

Nonstop3h 20m

Bangkok Suvarnabhumi

Fri 10/3

4:45 pm-7:00 pm

Nonstop3h 30m

$389

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 9/15

6:45 pm-3:00 pm

1 stop19h 00m

Bangkok Suvarnabhumi

Sun 9/21

4:15 pm-5:45 pm

1 stop26h 45m

$391

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 10/11

3:00 pm-3:00 pm

1 stop22h 45m

Bangkok Suvarnabhumi

Sat 10/18

4:15 pm-3:00 pm

1 stop24h 00m

$393

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How to get the cheapest flight ticket from Kathmandu to Bangkok

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

Other information

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of July, then book flights to Bangkok from Kathmandu during June instead. Flights to Bangkok in June, while not as cheap as those in July, still average around $265.

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

On average, the least expensive day to fly to Bangkok from Kathmandu is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $505. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Kathmandu to Bangkok on a Tuesday will generally be more expensive and average around $645. 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 Bangkok?

According to our data, the cheapest time of day to fly to Bangkok is in the afternoon. momondo users have found flights departing from Kathmandu to Bangkok in the afternoon for as low as $268. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $614. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Kathmandu Tribhuvan to Bangkok flight route?

Fly from Kathmandu Tribhuvan to Bangkok Don Mueang Intl for the best Kathmandu Tribhuvan - Bangkok flight prices

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

You are more likely to see cheaper flights to Bangkok from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Kathmandu for as low as $224 on momondo.

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

There are 3 cabin classes available to choose from on Kathmandu Tribhuvan to Bangkok flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Kathmandu to Bangkok flight deals and tips

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

Fastest flight time	3h 15m
Direct flights	Every day
Airports in Bangkok	2 airports

The fastest flight from Kathmandu to Bangkok takes 3h 15m

Direct flights go from Kathmandu to Bangkok every day.

There are 2 airports near Bangkok: Bangkok Don Mueang Intl (DMK), Bangkok Suvarnabhumi (BKK)

Search flight deals

How far is Kathmandu Tribhuvan to Bangkok by plane?
Bangkok is 1373.2 mi away from Kathmandu Tribhuvan. Flights usually cover this in 3h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Bangkok?
Prices for flights from Kathmandu Tribhuvan Airport to Bangkok are refreshed on a daily basis.
How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Bangkok?
As of August 2025, there are 5 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Bangkok.
How old do you have to be to fly from Kathmandu Tribhuvan Airport to Bangkok?
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 Kathmandu Tribhuvan Airport to Bangkok.
What documentation or ID do you need to fly to Bangkok?
The travel and health documents required for your trip to Bangkok can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bangkok. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Kathmandu to Bangkok

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

Airline	Rating	Free Cancellation	Price
Thai Lion Air	PriceFrom $121	Free Cancellation	Rating 7.1 28 reviews	Search Thai Lion Air flights
Thai AirAsia	PriceFrom $172	Free Cancellation	Rating 7.5 218 reviews	Search Thai AirAsia flights
Nepal Airlines	PriceFrom $283	Free Cancellation	Rating 5.8 11 reviews	Search Nepal Airlines flights
Thai Airways	PriceFrom $330	Free Cancellation	Rating 7.8 345 reviews	Search Thai Airways flights
Biman Bangladesh	PriceFrom $340	Free Cancellation	Rating 7.0 22 reviews	Search Biman Bangladesh flights

Why use momondo?

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

Finding the right flight to Bangkok from Kathmandu is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bangkok quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Bangkok from Kathmandu which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bangkok from Kathmandu.

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

If you are simply researching potential flights to Bangkok, momondo offers a useful price alert feature which will track prices for flights to Bangkok from Kathmandu and alert you when they change.

An easier way to manage your Bangkok trip

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

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Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Bangkok Suvarnabhumi Airport

Bangkok Don Mueang Intl Airport

Popular cities in Thailand

Flights to Phuket Cityfrom $515

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Flights to Krabifrom $791

Flights to Surat Thanifrom $727

Flights to Chiang Raifrom $807

Flights to Udon Thanifrom $708

Flights to Khon Kaenfrom $1,109

Flights to Hat Yaifrom $1,311

Flights to Ubon Ratchathanifrom $806

Flights to Tratfrom $954

Flights to Trangfrom $795

Cheap flights from Kathmandu to Bangkok from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Bangkok departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Kathmandu to Bangkok

Cheap round-trip flights

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Air India flights from Kathmandu to Bangkok

Our best Air India deals on Kathmandu to Bangkok flight tickets

Biman Bangladesh flights from Kathmandu to Bangkok

Our best Biman Bangladesh deals on Kathmandu to Bangkok flight tickets

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How to get the cheapest flight ticket from Kathmandu to Bangkok

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 cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of July, then book flights to Bangkok from Kathmandu during June instead. Flights to Bangkok in June, while not as cheap as those in July, still average around $265.

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

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

What is the cheapest Kathmandu Tribhuvan to Bangkok flight route?

Fly from Kathmandu Tribhuvan to Bangkok Don Mueang Intl for the best Kathmandu Tribhuvan - Bangkok flight prices

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

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

There are 3 cabin classes available to choose from on Kathmandu Tribhuvan to Bangkok flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Thai AirAsia, Thai Lion Air, and SriLankan Airlines are the most popular carriers operating from Kathmandu Tribhuvan to Bangkok

What airlines fly to Bangkok?

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

The number of flights available between Kathmandu and Bangkok is 3 per day as of August 2025. The most frequent departure time is 1:00PM, with 65% of daily flights leaving in the afternoon.

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

As of August 2025, there are 25 flights per week flying from Kathmandu to Bangkok. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

Cheap Kathmandu to Bangkok flight deals and tips

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

Fastest flight time

Direct flights

Airports in Bangkok

How far is Kathmandu Tribhuvan to Bangkok by plane?

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

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

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

What documentation or ID do you need to fly to Bangkok?

Best airlines flying from Kathmandu to Bangkok

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

Why use momondo?

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

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

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

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

An easier way to manage your Bangkok trip

We make it super easy to schedule, organize 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 Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok