Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Kathmandu to Bangkok from £132

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 20/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Kathmandu to Bangkok (KTM-BKK)

Cheap return flights

Thai Airways Logo
13:30 - 18:15KTM-BKK
3h 30mdirect
Thai Airways Logo
20:20 - 22:30BKK-KTM
3h 25mdirect
£236Thai Airways
Find Deal
Sun, 17 Aug - Mon, 25 Aug
Logo
13:15 - 06:15KTM-BKK
15h 45m1 stop
Logo
23:40 - 14:05BKK-KTM
15h 40m1 stop
£253
Find Deal
Sun, 17 Aug - Mon, 25 Aug
Logo
13:15 - 12:55KTM-BKK
22h 25m1 stop
Logo
03:00 - 22:30BKK-KTM
20h 45m1 stop
£264
Find Deal
Sun, 17 Aug - Sun, 24 Aug
Thai Airways Logo
13:30 - 18:15KTM-BKK
3h 30mdirect
Thai Airways Logo
20:20 - 22:30BKK-KTM
3h 25mdirect
£275Thai Airways
Find Deal
Fri, 19 Sep - Fri, 26 Sep
Logo
13:30 - 18:15KTM-BKK
3h 30mdirect
Logo
03:00 - 22:30BKK-KTM
20h 45m1 stop
£276
Find Deal
Sun, 17 Aug - Sun, 24 Aug
SriLankan Airlines Logo
13:35 - 12:55KTM-BKK
22h 05m1 stop
SriLankan Airlines Logo
13:55 - 12:15BKK-KTM
23h 35m1 stop
£290SriLankan Airlines
Find Deal
Wed, 8 Oct - Sat, 18 Oct
SriLankan Airlines Logo
13:35 - 12:55KTM-BKK
22h 05m1 stop
SriLankan Airlines Logo
13:55 - 12:15BKK-KTM
23h 35m1 stop
£292SriLankan Airlines
Find Deal
Wed, 8 Oct - Sat, 18 Oct
Biman Bangladesh Logo
16:00 - 15:00KTM-BKK
21h 45m1 stop
Biman Bangladesh Logo
16:15 - 14:00BKK-KTM
23h 00m1 stop
£321Biman Bangladesh
Find Deal
Wed, 1 Oct - Fri, 17 Oct
Biman Bangladesh Logo
16:00 - 15:00KTM-BKK
21h 45m1 stop
Biman Bangladesh Logo
16:15 - 14:00BKK-KTM
23h 00m1 stop
£323Biman Bangladesh
Find Deal
Wed, 1 Oct - Fri, 17 Oct
Nepal Airlines Logo
11:10 - 15:45KTM-BKK
3h 20mdirect
Nepal Airlines Logo
16:45 - 19:00BKK-KTM
3h 30mdirect
£405Nepal Airlines
Find Deal
Wed, 1 Oct - Fri, 17 Oct

Thai Airways flights from Kathmandu to Bangkok Suvarnabhumi Airport

Our best Thai Airways deals on Kathmandu to Bangkok Suvarnabhumi Airport flight tickets
Thai Airways
17 Aug
KTM13:30Kathmandu Tribhuvan
3h 30m
BKK18:15Bangkok Suvarnabhumi
25 Aug
BKK20:20Bangkok Suvarnabhumi
3h 25m
KTM22:30Kathmandu Tribhuvan
£236
Find similar
Thai Airways
19 Sept
KTM13:30Kathmandu Tribhuvan
3h 30m
BKK18:15Bangkok Suvarnabhumi
26 Sept
BKK20:20Bangkok Suvarnabhumi
3h 25m
KTM22:30Kathmandu Tribhuvan
£275
Find similar

SriLankan Airlines flights from Kathmandu to Bangkok Suvarnabhumi Airport

Our best SriLankan Airlines deals on Kathmandu to Bangkok Suvarnabhumi Airport flight tickets
SriLankan Airlines
8 Oct
KTM13:35Kathmandu Tribhuvan
22h 05m
1 stop
BKK12:55Bangkok Suvarnabhumi
18 Oct
BKK13:55Bangkok Suvarnabhumi
23h 35m
1 stop
KTM12:15Kathmandu Tribhuvan
£290
Find similar
SriLankan Airlines
8 Oct
KTM13:35Kathmandu Tribhuvan
22h 05m
1 stop
BKK12:55Bangkok Suvarnabhumi
18 Oct
BKK13:55Bangkok Suvarnabhumi
23h 35m
1 stop
KTM12:15Kathmandu Tribhuvan
£292
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Kathmandu to Bangkok Suvarnabhumi Airport 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, momondo users made 279,928 searches. Data last updated 6 August 2025.
Use the filters below to find and compare flights from Kathmandu to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 17/8

13:30-18:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Mon 25/8

20:20-22:30

Nonstop3h 25m

£236

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 17/8

13:15-06:15

1 stop15h 45m

Bangkok Suvarnabhumi

Mon 25/8

23:40-14:05

1 stop15h 40m

£253

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 17/8

13:15-12:55

1 stop22h 25m

Bangkok Suvarnabhumi

Sun 24/8

03:00-22:30

1 stop20h 45m

£264

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 19/9

13:30-18:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Fri 26/9

20:20-22:30

Nonstop3h 25m

£275

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 17/8

13:30-18:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Sun 24/8

03:00-22:30

1 stop20h 45m

£276

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 8/10

13:35-12:55

1 stop22h 05m

Bangkok Suvarnabhumi

Sat 18/10

13:55-12:15

1 stop23h 35m

£290

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 8/10

13:35-12:55

1 stop22h 05m

Bangkok Suvarnabhumi

Sat 18/10

13:55-12:15

1 stop23h 35m

£292

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 1/10

16:00-15:00

1 stop21h 45m

Bangkok Suvarnabhumi

Fri 17/10

16:15-14:00

1 stop23h 00m

£321

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 1/10

16:00-15:00

1 stop21h 45m

Bangkok Suvarnabhumi

Fri 17/10

16:15-14:00

1 stop23h 00m

£323

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 1/10

11:10-15:45

Nonstop3h 20m

Bangkok Suvarnabhumi

Fri 17/10

16:45-19:00

Nonstop3h 30m

£405

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bangkok from

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

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 Suvarnabhumi Airport?

If you don’t want to visit Bangkok Suvarnabhumi Airport in June, then you should wait until July to fly from Kathmandu, when ticket prices are also cheap, with an average price of £208.

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

According to our data, Monday is the cheapest day to fly to Bangkok Suvarnabhumi Airport from Kathmandu. The lowest ticket price found for a Monday departure recently was £373. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Kathmandu to Bangkok Suvarnabhumi Airport for around £485.

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

According to our data, the cheapest time of day to fly to Bangkok Suvarnabhumi Airport is in the afternoon. momondo users have found flights departing from Kathmandu to Bangkok Suvarnabhumi Airport in the afternoon for as low as £205. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £419 on average. Flights to Bangkok Suvarnabhumi Airport from Kathmandu in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

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

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around £239 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Kathmandu for as low as £170 on momondo.

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

There are 3 cabin classes available to choose from on Kathmandu Tribhuvan to Bangkok Suvarnabhumi 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 Kathmandu to Bangkok Suvarnabhumi Airport flights?

No. A direct flight is the cheapest option for a flight between Kathmandu to Bangkok Suvarnabhumi Airport.

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

As of August 2025, prices for Kathmandu to Bangkok Suvarnabhumi Airport flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Bangkok Suvarnabhumi Airport

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

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

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

Best price found

£132

Fastest flight time

3h 20m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun
The best one-way flight to Bangkok Suvarnabhumi Airport from Kathmandu in the past 72 hours is £132. The best return flight deal from Kathmandu to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is £236.
The fastest flight from Kathmandu to Bangkok Suvarnabhumi Airport takes 3h 20m
Direct flights go from Kathmandu to Bangkok Suvarnabhumi Airport on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: Nepal Airlines and Thai Airways..
Search flight deals

  • How far is Kathmandu Tribhuvan to Bangkok Suvarnabhumi by plane?

    Bangkok Suvarnabhumi is 1386.5 mi away from Kathmandu Tribhuvan. 3h 20m is a normal flight duration for this route.

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

    Prices for flights from Kathmandu Tribhuvan Airport to Bangkok Suvarnabhumi Airport are updated daily.

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

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

  • What documentation or ID do you need to fly to Bangkok Suvarnabhumi Airport?

    The travel and health documents you'll need for your trip to Bangkok Suvarnabhumi 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 license and a passport that is valid for six months after your intended arrival at Bangkok Suvarnabhumi 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 Kathmandu to Bangkok Suvarnabhumi Airport?

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

Best airlines flying from Kathmandu to Bangkok Suvarnabhumi Airport

Compare and see reviews for airlines that fly from Kathmandu to Bangkok Suvarnabhumi Airport with momondo
Airline
Rating
Free Cancellation
Price
Thai AirAsiaPriceFrom £101Free CancellationRating
7.5
218 reviews
Search Thai AirAsia flights
Thai Lion AirPriceFrom £163Free CancellationRating
7.1
28 reviews
Search Thai Lion Air flights
Nepal AirlinesPriceFrom £184Free CancellationRating
5.8
11 reviews
Search Nepal Airlines flights
Thai AirwaysPriceFrom £222Free CancellationRating
7.8
343 reviews
Search Thai Airways flights

  • Thai Airways Flights From Kathmandu to Bangkok Suvarnabhumi Airport

    The lowest priced Thai Airways flight from Kathmandu to Bangkok Suvarnabhumi Airport from the last 72 hours was £295. Generally, Thai Airways has 11 flights on this route every week with an average price of £415. Thai Airways is rated 7.8/10 by our users.

  • Nepal Airlines Flights From Kathmandu to Bangkok Suvarnabhumi Airport

    Nepal Airlines is also a popular choice for this route. Nepal Airlines flight deals for Kathmandu to Bangkok Suvarnabhumi Airport start from as low as £245 round-trip, depending on your selected dates, with average Nepal Airlines deals seen on momondo around £398. Nepal Airlines operates 3 flights to Bangkok Suvarnabhumi Airport from Kathmandu in an average week. Users have rated it 5.8/10 across 11 reviews.

Travelling to a place near Bangkok?

Book flights to Bangkok if you plan to visit one of these locations
Pattaya
Ko Samet
Cha-am
Ayutthaya
Kanchanaburi
Sattahip
Ko Lan
Chonburi
Pak Chong
Phetchaburi

Why use momondo?

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

It is quick and easy to find Kathmandu to Bangkok flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bangkok that suits you.

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

Yes. momondo enables you to select and highlight flights to Bangkok from Kathmandu with this policy.

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 Suvarnabhumi Airport 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 11/8
Mon 18/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bangkok

Popular Cities in Thailand

Popular flights according to clicks in the last 7 days on momondo
Flights to Bangkok Don Mueang Intl Airportfrom £476