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Cheap flights from Kathmandu to Bangkok from £135

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 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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SriLankan Airlines Logo
12:50 - 01:00KTM-BKK
10h 55m1 stop
SriLankan Airlines Logo
13:55 - 11:50BKK-KTM
23h 10m1 stop
£237SriLankan Airlines
Find Deal
Thu, 1 Jan - Sun, 11 Jan
Nepal Airlines Logo
11:10 - 15:45KTM-BKK
3h 20mdirect
Nepal Airlines Logo
16:45 - 19:00BKK-KTM
3h 30mdirect
£254Nepal Airlines
Find Deal
Fri, 2 Jan - Fri, 9 Jan
Air India Logo
22:20 - 20:20KTM-BKK
20h 45m1 stop
Air India Logo
08:50 - 16:30BKK-KTM
8h 55m1 stop
£257Air India
Find Deal
Mon, 3 Nov - Sat, 8 Nov
Air India Logo
06:30 - 20:20KTM-BKK
12h 35m1 stop
Air India Logo
22:20 - 09:05BKK-KTM
12h 00m1 stop
£268Air India
Find Deal
Wed, 10 Dec - Sun, 14 Dec
Air India Logo
22:20 - 20:20KTM-BKK
20h 45m1 stop
Air India Logo
22:20 - 06:35BKK-KTM
9h 30m1 stop
£269Air India
Find Deal
Sun, 2 Nov - Thu, 6 Nov
Thai Airways Logo
13:30 - 18:15KTM-BKK
3h 30mdirect
Thai Airways Logo
21:15 - 23:25BKK-KTM
3h 25mdirect
£272Thai Airways
Find Deal
Thu, 20 Nov - Thu, 27 Nov
Thai Airways Logo
13:30 - 18:15KTM-BKK
3h 30mdirect
Thai Airways Logo
10:15 - 12:25BKK-KTM
3h 25mdirect
£273Thai Airways
Find Deal
Mon, 1 Dec - Sat, 6 Dec
Multiple Airlines Logo
06:30 - 20:20KTM-BKK
12h 35m1 stop
Multiple Airlines Logo
18:55 - 11:30BKK-KTM
17h 50m1 stop
£276Multiple Airlines
Find Deal
Thu, 20 Nov - Thu, 27 Nov
Multiple Airlines Logo
12:50 - 01:00KTM-BKK
10h 55m1 stop
Multiple Airlines Logo
13:50 - 06:35BKK-KTM
18h 00m2 stops
£293Multiple Airlines
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Thu, 1 Jan - Sun, 11 Jan
Biman Bangladesh Logo
16:00 - 15:00KTM-BKK
21h 45m1 stop
Biman Bangladesh Logo
16:15 - 15:00BKK-KTM
24h 00m1 stop
£316Biman Bangladesh
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Mon, 8 Dec - Mon, 15 Dec

Emirates flights from Kathmandu to Bangkok Suvarnabhumi Airport

Our best Emirates deals on Kathmandu to Bangkok Suvarnabhumi Airport flight tickets
Emirates
16 Oct
KTM07:30Kathmandu Tribhuvan
51h 10m
2 stops
BKK11:55Bangkok Suvarnabhumi
24 Oct
BKK03:40Bangkok Suvarnabhumi
20h 55m
1 stop
KTM23:20Kathmandu Tribhuvan
£1,430
Find similar
Emirates
14 Oct
KTM19:25Kathmandu Tribhuvan
43h 40m
2 stops
BKK16:20Bangkok Suvarnabhumi
18 Oct
BKK02:40Bangkok Suvarnabhumi
17h 00m
1 stop
KTM18:25Kathmandu Tribhuvan
£1,432
Find similar
Emirates
13 Oct
KTM09:00Kathmandu Tribhuvan
33h 10m
1 stop
BKK19:25Bangkok Suvarnabhumi
18 Oct
BKK17:20Bangkok Suvarnabhumi
38h 25m
3 stops
KTM06:30Kathmandu Tribhuvan
£1,597
Find similar

Air India flights from Kathmandu to Bangkok Suvarnabhumi Airport

Our best Air India deals on Kathmandu to Bangkok Suvarnabhumi Airport flight tickets
Air India
14 Oct
KTM06:30Kathmandu Tribhuvan
9h 10m
1 stop
BKK16:55Bangkok Suvarnabhumi
22 Nov
BKK08:50Bangkok Suvarnabhumi
8h 55m
1 stop
KTM16:30Kathmandu Tribhuvan
£253
Find similar
Air India
3 Nov
KTM22:20Kathmandu Tribhuvan
20h 45m
1 stop
BKK20:20Bangkok Suvarnabhumi
8 Nov
BKK08:50Bangkok Suvarnabhumi
8h 55m
1 stop
KTM16:30Kathmandu Tribhuvan
£257
Find similar
Air India
10 Dec
KTM06:30Kathmandu Tribhuvan
12h 35m
1 stop
BKK20:20Bangkok Suvarnabhumi
14 Dec
BKK22:20Bangkok Suvarnabhumi
12h 00m
1 stop
KTM09:05Kathmandu Tribhuvan
£268
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 8 October 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

Thu 1/1

12:50-01:00

1 stop10h 55m

Bangkok Suvarnabhumi

Sun 11/1

13:55-11:50

1 stop23h 10m

£237

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 2/1

11:10-15:45

Nonstop3h 20m

Bangkok Suvarnabhumi

Fri 9/1

16:45-19:00

Nonstop3h 30m

£254

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 3/11

22:20-20:20

1 stop20h 45m

Bangkok Suvarnabhumi

Sat 8/11

08:50-16:30

1 stop8h 55m

£257

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 10/12

06:30-20:20

1 stop12h 35m

Bangkok Suvarnabhumi

Sun 14/12

22:20-09:05

1 stop12h 00m

£268

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 2/11

22:20-20:20

1 stop20h 45m

Bangkok Suvarnabhumi

Thu 6/11

22:20-06:35

1 stop9h 30m

£269

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 20/11

13:30-18:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Thu 27/11

21:15-23:25

Nonstop3h 25m

£272

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 1/12

13:30-18:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Sat 6/12

10:15-12:25

Nonstop3h 25m

£273

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 20/11

06:30-20:20

1 stop12h 35m

Bangkok Suvarnabhumi

Thu 27/11

18:55-11:30

1 stop17h 50m

£276

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 1/1

12:50-01:00

1 stop10h 55m

Bangkok Suvarnabhumi

Sun 11/1

13:50-06:35

2 stops18h 00m

£293

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 8/12

16:00-15:00

1 stop21h 45m

Bangkok Suvarnabhumi

Mon 15/12

16:15-15:00

1 stop24h 00m

£316

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Kathmandu and Bangkok Suvarnabhumi Airport?

What is the cheapest month to fly to Bangkok Suvarnabhumi Airport?

If you don’t want to visit Bangkok Suvarnabhumi Airport in July, then you should wait until August to fly from Kathmandu, when ticket prices are also cheap, with an average price of £192.

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

According to our data, Sunday is the cheapest day to fly to Bangkok Suvarnabhumi Airport from Kathmandu. The lowest ticket price found for a Sunday departure recently was £341. 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 £478.

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 £204. 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 £229 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 £179 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.

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

As of October 2025, prices for Kathmandu to Bangkok Suvarnabhumi Airport flights are approximately 18% 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

£160

Fastest flight time

3h 20m

Direct flights

Every day
The best one-way flight to Bangkok Suvarnabhumi Airport from Kathmandu in the past 72 hours is £160. The best return flight deal from Kathmandu to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is £287.
The fastest flight from Kathmandu to Bangkok Suvarnabhumi Airport takes 3h 20m
Direct flights go from Kathmandu to Bangkok Suvarnabhumi Airport every day.
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 £131Free CancellationRating
7.5
216 reviews
Search Thai AirAsia flights
Thai Lion AirPriceFrom £161Free CancellationRating
0.0
0 reviews
Search Thai Lion Air flights
Nepal AirlinesPriceFrom £182Free CancellationRating
0.0
0 reviews
Search Nepal Airlines flights
Thai AirwaysPriceFrom £235Free CancellationRating
7.8
355 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 £316. Generally, Thai Airways has 14 flights on this route every week with an average price of £416. Thai Airways is rated 7.8/10 by our users.

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
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

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