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Cheap flights from Kathmandu to Bangkok from $123

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 11/1. 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

Thai AirAsia Logo
3:00 pm - 7:35 pmKTM-DMK
3h 20mnonstop
Thai AirAsia Logo
11:50 am - 2:00 pmDMK-KTM
3h 25mnonstop
$229Thai AirAsia
Find Deal
sáb., oct. 18 - lun., oct. 27
Logo
2:50 pm - 7:20 pmKTM-DMK
3h 15mnonstop
Logo
12:00 pm - 2:00 pmDMK-KTM
3h 15mnonstop
$231
Find Deal
dom., oct. 19 - sáb., oct. 25
Thai AirAsia Logo
3:00 pm - 7:35 pmKTM-DMK
3h 20mnonstop
Thai AirAsia Logo
11:50 am - 2:00 pmDMK-KTM
3h 25mnonstop
$233Thai AirAsia
Find Deal
lun., nov. 17 - lun., nov. 24
Logo
2:15 pm - 6:50 pmKTM-DMK
3h 20mnonstop
Logo
11:50 am - 2:00 pmDMK-KTM
3h 25mnonstop
$235
Find Deal
mar., dic. 9 - dom., dic. 14
Thai Lion Air Logo
2:15 pm - 6:50 pmKTM-DMK
3h 20mnonstop
Thai Lion Air Logo
11:00 am - 1:15 pmDMK-KTM
3h 30mnonstop
$237Thai Lion Air
Find Deal
jue., nov. 6 - jue., nov. 13
Logo
2:50 pm - 7:20 pmKTM-DMK
3h 15mnonstop
Logo
11:50 am - 2:00 pmDMK-KTM
3h 25mnonstop
$238
Find Deal
jue., oct. 16 - lun., oct. 27
Thai Lion Air Logo
2:50 pm - 7:20 pmKTM-DMK
3h 15mnonstop
Thai Lion Air Logo
11:00 am - 1:15 pmDMK-KTM
3h 30mnonstop
$239Thai Lion Air
Find Deal
jue., oct. 16 - dom., oct. 26
Thai AirAsia Logo
3:00 pm - 7:35 pmKTM-DMK
3h 20mnonstop
Thai AirAsia Logo
11:50 am - 2:00 pmDMK-KTM
3h 25mnonstop
$245Thai AirAsia
Find Deal
dom., nov. 9 - dom., nov. 23
Thai Lion Air Logo
2:15 pm - 6:50 pmKTM-DMK
3h 20mnonstop
Thai Lion Air Logo
11:00 am - 1:15 pmDMK-KTM
3h 30mnonstop
$246Thai Lion Air
Find Deal
jue., ene. 15 - mar., ene. 20
Thai Lion Air Logo
2:15 pm - 6:50 pmKTM-DMK
3h 20mnonstop
Thai Lion Air Logo
11:00 am - 1:15 pmDMK-KTM
3h 30mnonstop
$247Thai Lion Air
Find Deal
lun., nov. 3 - lun., nov. 10

Thai Lion Air flights from Kathmandu to Bangkok Don Mueang Intl Airport

Our best Thai Lion Air deals on Kathmandu to Bangkok Don Mueang Intl Airport flight tickets
Thai Lion Air
Nov 6
KTM2:15 pmKathmandu Tribhuvan
3h 20m
DMK6:50 pmBangkok Don Mueang Intl
Nov 13
DMK11:00 amBangkok Don Mueang Intl
3h 30m
KTM1:15 pmKathmandu Tribhuvan
$237
Find similar
Thai Lion Air
Oct 16
KTM2:50 pmKathmandu Tribhuvan
3h 15m
DMK7:20 pmBangkok Don Mueang Intl
Oct 26
DMK11:00 amBangkok Don Mueang Intl
3h 30m
KTM1:15 pmKathmandu Tribhuvan
$239
Find similar
Thai Lion Air
Jan 15
KTM2:15 pmKathmandu Tribhuvan
3h 20m
DMK6:50 pmBangkok Don Mueang Intl
Jan 20
DMK11:00 amBangkok Don Mueang Intl
3h 30m
KTM1:15 pmKathmandu Tribhuvan
$246
Find similar

Thai AirAsia flights from Kathmandu to Bangkok Don Mueang Intl Airport

Our best Thai AirAsia deals on Kathmandu to Bangkok Don Mueang Intl Airport flight tickets
Thai AirAsia
Oct 18
KTM3:00 pmKathmandu Tribhuvan
3h 20m
DMK7:35 pmBangkok Don Mueang Intl
Oct 27
DMK11:50 amBangkok Don Mueang Intl
3h 25m
KTM2:00 pmKathmandu Tribhuvan
$229
Find similar
Thai AirAsia
Nov 17
KTM3:00 pmKathmandu Tribhuvan
3h 20m
DMK7:35 pmBangkok Don Mueang Intl
Nov 24
DMK11:50 amBangkok Don Mueang Intl
3h 25m
KTM2:00 pmKathmandu Tribhuvan
$233
Find similar
Thai AirAsia
Nov 9
KTM3:00 pmKathmandu Tribhuvan
3h 20m
DMK7:35 pmBangkok Don Mueang Intl
Nov 23
DMK11:50 amBangkok Don Mueang Intl
3h 25m
KTM2:00 pmKathmandu Tribhuvan
$245
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Kathmandu to Bangkok Don Mueang Intl 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 832,500 searches. Data last updated septiembre 15, 2025.
Use the filters below to find and compare flights from Kathmandu to Bangkok Don Mueang Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

sáb. 10/18

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

lun. 10/27

11:50 am-2:00 pm

Nonstop3h 25m

$229

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

dom. 10/19

2:50 pm-7:20 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

sáb. 10/25

12:00 pm-2:00 pm

Nonstop3h 15m

$231

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

lun. 11/17

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

lun. 11/24

11:50 am-2:00 pm

Nonstop3h 25m

$233

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

mar. 12/9

2:15 pm-6:50 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

dom. 12/14

11:50 am-2:00 pm

Nonstop3h 25m

$235

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

jue. 11/6

2:15 pm-6:50 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

jue. 11/13

11:00 am-1:15 pm

Nonstop3h 30m

$237

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

jue. 10/16

2:50 pm-7:20 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

lun. 10/27

11:50 am-2:00 pm

Nonstop3h 25m

$238

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

jue. 10/16

2:50 pm-7:20 pm

Nonstop3h 15m

Bangkok Don Mueang Intl

dom. 10/26

11:00 am-1:15 pm

Nonstop3h 30m

$239

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

dom. 11/9

3:00 pm-7:35 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

dom. 11/23

11:50 am-2:00 pm

Nonstop3h 25m

$245

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

jue. 1/15

2:15 pm-6:50 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

mar. 1/20

11:00 am-1:15 pm

Nonstop3h 30m

$246

KathmanduBangkok

KTM - DMK

KTMDMK

Kathmandu Tribhuvan

lun. 11/3

2:15 pm-6:50 pm

Nonstop3h 20m

Bangkok Don Mueang Intl

lun. 11/10

11:00 am-1:15 pm

Nonstop3h 30m

$247

Flights are sorted by cheapest round-trip 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 Don Mueang Intl 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 Don Mueang Intl Airport?

The cheapest month to fly to Bangkok Don Mueang Intl Airport from Kathmandu is in July. Flight prices, which tend to average around $219, are often lower during this time because this is during the off-season. If you are unable to visit Bangkok Don Mueang Intl Airport during the month of July, then departing from Kathmandu during the month August is also very affordable. Most momondo users find prices during this month for around $228.

What is the cheapest day to depart on your flight to Bangkok Don Mueang Intl Airport?

The cheapest day to depart from Kathmandu to Bangkok Don Mueang Intl Airport is on a Wednesday. Travelers who choose to depart for Bangkok Don Mueang Intl Airport on a Wednesday will often find tickets for as low as $265. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $290. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bangkok Don Mueang Intl Airport.

What is the cheapest time of day to depart on your flight to Bangkok Don Mueang Intl Airport?

Flying to Bangkok Don Mueang Intl Airport from Kathmandu in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $269 when looking at flights departing in the afternoon. Flights at noon are often more expensive with an average ticket price of $289.

What is the cheapest Kathmandu Tribhuvan to Bangkok Don Mueang Intl flight route?

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

How far in advance should I book a flight to Bangkok Don Mueang Intl Airport?

You are more likely to see cheaper flights to Bangkok Don Mueang Intl Airport from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Don Mueang Intl Airport for around $268 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Don Mueang Intl Airport from Kathmandu for as low as $199 on momondo.

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

There are 2 cabin classes available to choose from on Kathmandu Tribhuvan to Bangkok Don Mueang Intl 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 Don Mueang Intl Airport flight prices changed over time?

As of September 2025, prices for Kathmandu to Bangkok Don Mueang Intl Airport flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Bangkok Don Mueang Intl Airport

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

Cheap Kathmandu to Bangkok Don Mueang Intl Airport (KTM to DMK) flight deals and tips

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

Best Price Found

$127

Fastest flight time

3h 15m

Direct flights

Every day
The best one-way flight to Bangkok Don Mueang Intl Airport from Kathmandu in the past 72 hours is $127. The best round-trip flight deal from Kathmandu to Bangkok Don Mueang Intl Airport found on momondo in the last 72 hours is $237.
The fastest flight from Kathmandu to Bangkok Don Mueang Intl Airport takes 3h 15m
Direct flights go from Kathmandu to Bangkok Don Mueang Intl Airport every day.
Search flight deals

  • How far is Kathmandu Tribhuvan to Bangkok Don Mueang Intl by plane?

    Bangkok Don Mueang Intl is 1368.8 mi away from Kathmandu Tribhuvan. Typically, this will take 3h 15m by plane in normal conditions.

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

    Prices for flights from Kathmandu Tribhuvan Airport to Bangkok Don Mueang Intl Airport are updated daily.

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

  • How old do you have to be to fly from Kathmandu Tribhuvan Airport to Bangkok Don Mueang Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Bangkok Don Mueang Intl Airport.

  • What documentation or ID do you need to fly to Bangkok Don Mueang Intl Airport?

    The necessary travel and health documents for your Bangkok Don Mueang Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Kathmandu to Bangkok Don Mueang Intl Airport?

  • What is the most popular airline from Kathmandu to Bangkok Don Mueang Intl Airport?

Best airlines flying from Kathmandu to Bangkok Don Mueang Intl Airport

Compare and see reviews for airlines that fly from Kathmandu to Bangkok Don Mueang Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Thai Lion AirPriceFrom $121Free CancellationRating
7.3
27 reviews
Search Thai Lion Air flights
Thai AirAsiaPriceFrom $177Free CancellationRating
7.5
216 reviews
Search Thai AirAsia flights

  • Thai AirAsia Flights From Kathmandu to Bangkok Don Mueang Intl Airport

    Across 7 Thai AirAsia flights from Kathmandu to Bangkok Don Mueang Intl Airport this week, the average price was $258, with the best Thai AirAsia deals starting from $177 round-trip. 216 users have rated Thai AirAsia on momondo, with an average score of 7.5/10.

  • Thai Lion Air Flights From Kathmandu to Bangkok Don Mueang Intl Airport

    Thai Lion Air (7.3/10 from 27 reviews) operates around 2 flights from Kathmandu to Bangkok Don Mueang Intl Airport in any given week. The average Thai Lion Air airfare for this route is around $279, with deals from around $121 rare but found on momondo. Referenced prices are for round-trip Kathmandu to Bangkok Don Mueang Intl Airport flight searches in the last 72 hours.

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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Price alerts on flights to Bangkok from Kathmandu 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.

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