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Cheap flights from Kathmandu to Bangkok from $154

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 7/14. 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 round-trip flights

Air India Logo
10:05 am - 8:25 pmKTM-BKK
9h 05m1 stop
Air India Logo
3:15 pm - 6:35 amBKK-KTM
16h 35m1 stop
$281Air India
Find Deal
Sun, Jul 20 - Sat, Jul 26
Nepal Airlines Logo
11:10 am - 3:45 pmKTM-BKK
3h 20mnonstop
Nepal Airlines Logo
4:45 pm - 7:00 pmBKK-KTM
3h 30mnonstop
$284Nepal Airlines
Find Deal
Mon, Jul 21 - Fri, Jul 25
SriLankan Airlines Logo
1:15 pm - 6:15 amKTM-BKK
15h 45m1 stop
SriLankan Airlines Logo
7:45 am - 12:15 pmBKK-KTM
29h 45m1 stop
$285SriLankan Airlines
Find Deal
Mon, Jul 14 - Sun, Jul 20
Air India Logo
5:30 pm - 8:25 pmKTM-BKK
25h 40m1 stop
Air India Logo
10:25 pm - 9:05 amBKK-KTM
11h 55m1 stop
$287Air India
Find Deal
Thu, Jul 17 - Wed, Jul 23
SriLankan Airlines Logo
1:15 pm - 12:55 pmKTM-BKK
22h 25m1 stop
SriLankan Airlines Logo
7:45 am - 12:35 pmBKK-KTM
30h 05m1 stop
$288SriLankan Airlines
Find Deal
Sun, Jul 13 - Tue, Jul 22
SriLankan Airlines Logo
1:15 pm - 6:15 amKTM-BKK
15h 45m1 stop
SriLankan Airlines Logo
7:45 am - 12:15 pmBKK-KTM
29h 45m1 stop
$290SriLankan Airlines
Find Deal
Mon, Aug 18 - Sat, Aug 23
SriLankan Airlines Logo
1:35 pm - 6:15 amKTM-BKK
15h 25m1 stop
SriLankan Airlines Logo
7:45 am - 12:15 pmBKK-KTM
29h 45m1 stop
$294SriLankan Airlines
Find Deal
Wed, Jul 16 - Sat, Jul 19
Nepal Airlines Logo
11:10 am - 3:45 pmKTM-BKK
3h 20mnonstop
Nepal Airlines Logo
4:45 pm - 7:00 pmBKK-KTM
3h 30mnonstop
$309Nepal Airlines
Find Deal
Fri, Jul 18 - Mon, Jul 21
Thai Airways Logo
11:30 pm - 4:15 amKTM-BKK
3h 30mnonstop
Thai Airways Logo
10:15 am - 12:25 pmBKK-KTM
3h 25mnonstop
$346Thai Airways
Find Deal
Mon, Aug 18 - Mon, Aug 25
Thai Airways Logo
11:30 pm - 4:15 amKTM-BKK
3h 30mnonstop
Thai Airways Logo
8:20 pm - 10:30 pmBKK-KTM
3h 25mnonstop
$351Thai Airways
Find Deal
Tue, Jul 15 - Tue, Aug 5

SriLankan Airlines flights from Kathmandu to Bangkok Suvarnabhumi Airport

Our best SriLankan Airlines deals on Kathmandu to Bangkok Suvarnabhumi Airport flight tickets
SriLankan Airlines
Jul 14
KTM1:15 pmKathmandu Tribhuvan
15h 45m
1 stop
BKK6:15 amBangkok Suvarnabhumi
Jul 20
BKK7:45 amBangkok Suvarnabhumi
29h 45m
1 stop
KTM12:15 pmKathmandu Tribhuvan
SriLankan Airlines
Jul 13
KTM1:15 pmKathmandu Tribhuvan
22h 25m
1 stop
BKK12:55 pmBangkok Suvarnabhumi
Jul 22
BKK7:45 amBangkok Suvarnabhumi
30h 05m
1 stop
KTM12:35 pmKathmandu Tribhuvan
SriLankan Airlines
Aug 18
KTM1:15 pmKathmandu Tribhuvan
15h 45m
1 stop
BKK6:15 amBangkok Suvarnabhumi
Aug 23
BKK7:45 amBangkok Suvarnabhumi
29h 45m
1 stop
KTM12:15 pmKathmandu Tribhuvan

Nepal Airlines flights from Kathmandu to Bangkok Suvarnabhumi Airport

Our best Nepal Airlines deals on Kathmandu to Bangkok Suvarnabhumi Airport flight tickets
Nepal Airlines
Jul 4
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
Jul 11
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
Nepal Airlines
Jul 14
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
Jul 21
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
Nepal Airlines
Jul 7
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
Jul 16
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan

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?

The month of June is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Kathmandu, with most prices found around $272. The month of February is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Kathmandu averaging around $286.

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

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Wednesday when prices can be found for as low as $503. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Kathmandu because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $637.

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

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is in the afternoon. Flights from Kathmandu to Bangkok Suvarnabhumi Airport during this time can be as low as $270. In the evening is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $598 per ticket.

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 $327 when searching weeks out. 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 $229 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 July 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 round-trip 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

$154

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 $154. The best round-trip flight deal from Kathmandu to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is $281.
The fastest flight from Kathmandu to Bangkok Suvarnabhumi Airport takes 3h 20m
Direct flights go from Kathmandu to Bangkok Suvarnabhumi Airport every day.

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

    The distance between Kathmandu Tribhuvan and Bangkok Suvarnabhumi is about 1386.5 mi. By plane, this route typically takes 3h 20m.

  • 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 were last updated today.

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 $171Free CancellationRating
7.5
217 reviews
Search Thai AirAsia flights
Thai Lion AirPriceFrom $206Free CancellationRating
7.3
27 reviews
Search Thai Lion Air flights
Air IndiaPriceFrom $280Free CancellationRating
5.5
2,926 reviews
Search Air India flights
Nepal AirlinesPriceFrom $286Free CancellationRating
5.8
11 reviews
Search Nepal Airlines flights
Biman BangladeshPriceFrom $340Free CancellationRating
7.0
22 reviews
Search Biman Bangladesh flights
Thai AirwaysPriceFrom $340Free CancellationRating
7.7
338 reviews
Search Thai Airways flights
  • Thai Airways Flights From Kathmandu to Bangkok Suvarnabhumi Airport

    Thai Airways flight deals from Kathmandu to Bangkok Suvarnabhumi Airport start from $340 round-trip. Over the 14 Thai Airways flights for this route in a normal week, average airfare is usually $422 round-trip - but some users have found much cheaper deals with momondo.

  • Nepal Airlines Flights From Kathmandu to Bangkok Suvarnabhumi Airport

    Another popular option for Kathmandu to Bangkok Suvarnabhumi Airport flights is Nepal Airlines (5.8/10, 11 ratings). Nepal Airlines flies from Kathmandu to Bangkok Suvarnabhumi Airport around 3 times per week, with deals starting from $286 round-trip and rising to an average price of around $359.


Traveling to a place near Bangkok?

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

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?

Yes. All flights to Bangkok from Kathmandu on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Bangkok from Kathmandu. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Kathmandu to Bangkok flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Tue 7/8
Tue 7/15

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