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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from $153

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok Suvarnabhumi Airport to Kathmandu departing on 8/27. 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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Find the cheapest flights from Bangkok Suvarnabhumi Airport to Kathmandu

Cheap round-trip flights

Logo
5:10 pm - 9:50 amBKK-KTM
17h 55m1 stop
Logo
1:35 pm - 6:15 amKTM-BKK
15h 25m1 stop
$336
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Wed, Aug 27 - Wed, Sep 3
Logo
5:10 pm - 3:40 pmBKK-KTM
23h 45m1 stop
Logo
1:15 pm - 12:55 pmKTM-BKK
22h 25m1 stop
$337
Find Deal
Tue, Aug 12 - Thu, Aug 14
IndiGo Logo
12:20 pm - 2:05 pmBKK-KTM
27h 00m1 stop
IndiGo Logo
4:40 pm - 4:10 pmKTM-BKK
22h 15m1 stop
$368IndiGo
Find Deal
Sat, Sep 13 - Sat, Sep 20
IndiGo Logo
11:40 pm - 2:05 pmBKK-KTM
15h 40m1 stop
IndiGo Logo
4:40 pm - 4:10 pmKTM-BKK
22h 15m1 stop
$383IndiGo
Find Deal
Mon, Sep 15 - Sun, Sep 21
SriLankan Airlines Logo
1:55 pm - 12:40 pmBKK-KTM
24h 00m1 stop
SriLankan Airlines Logo
12:50 pm - 6:20 amKTM-BKK
16h 15m1 stop
$385SriLankan Airlines
Find Deal
Tue, Jan 13 - Mon, Jan 19
SriLankan Airlines Logo
9:00 am - 11:50 amBKK-KTM
28h 05m1 stop
SriLankan Airlines Logo
12:50 pm - 6:20 amKTM-BKK
16h 15m1 stop
$407SriLankan Airlines
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Wed, Jan 14 - Mon, Jan 19
Nepal Airlines Logo
4:45 pm - 7:00 pmBKK-KTM
3h 30mnonstop
Nepal Airlines Logo
11:10 am - 3:45 pmKTM-BKK
3h 20mnonstop
$431Nepal Airlines
Find Deal
Fri, Sep 5 - Wed, Sep 17
Nepal Airlines Logo
4:45 pm - 7:00 pmBKK-KTM
3h 30mnonstop
Nepal Airlines Logo
11:10 am - 3:45 pmKTM-BKK
3h 20mnonstop
$437Nepal Airlines
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Fri, Nov 7 - Wed, Feb 25
Thai Airways Logo
8:20 pm - 10:30 pmBKK-KTM
3h 25mnonstop
Thai Airways Logo
11:30 pm - 4:15 amKTM-BKK
3h 30mnonstop
$448Thai Airways
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Sun, Aug 31 - Wed, Sep 17
Thai Airways Logo
10:15 am - 12:25 pmBKK-KTM
3h 25mnonstop
Thai Airways Logo
1:30 pm - 6:15 pmKTM-BKK
3h 30mnonstop
$449Thai Airways
Find Deal
Tue, Aug 12 - Thu, Aug 14

Nepal Airlines flights from Bangkok Suvarnabhumi Airport to Kathmandu

Our best Nepal Airlines deals on Bangkok Suvarnabhumi Airport to Kathmandu flight tickets
Nepal Airlines
Aug 8
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
Aug 11
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
$411
Find similar
Nepal Airlines
Sep 5
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
Sep 17
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
$431
Find similar
Nepal Airlines
Nov 7
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
Feb 25
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
$437
Find similar

IndiGo flights from Bangkok Suvarnabhumi Airport to Kathmandu

Our best IndiGo deals on Bangkok Suvarnabhumi Airport to Kathmandu flight tickets
IndiGo
Sep 13
BKK12:20 pmBangkok Suvarnabhumi
27h 00m
1 stop
KTM2:05 pmKathmandu Tribhuvan
Sep 20
KTM4:40 pmKathmandu Tribhuvan
22h 15m
1 stop
BKK4:10 pmBangkok Suvarnabhumi
$368
Find similar
IndiGo
Sep 15
BKK11:40 pmBangkok Suvarnabhumi
15h 40m
1 stop
KTM2:05 pmKathmandu Tribhuvan
Sep 21
KTM4:40 pmKathmandu Tribhuvan
22h 15m
1 stop
BKK4:10 pmBangkok Suvarnabhumi
$383
Find similar
IndiGo
Aug 2
BKK5:10 pmBangkok Suvarnabhumi
17h 55m
1 stop
KTM9:50 amKathmandu Tribhuvan
Aug 9
KTM3:05 pmKathmandu Tribhuvan
30h 20m
1 stop
BKK10:40 pmBangkok Suvarnabhumi
$386
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Bangkok Suvarnabhumi Airport to Kathmandu 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 July 31, 2025.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 8/27

5:10 pm-9:50 am

1 stop17h 55m

Kathmandu Tribhuvan

Wed 9/3

1:35 pm-6:15 am

1 stop15h 25m

$336

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 8/12

5:10 pm-3:40 pm

1 stop23h 45m

Kathmandu Tribhuvan

Thu 8/14

1:15 pm-12:55 pm

1 stop22h 25m

$337

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 9/13

12:20 pm-2:05 pm

1 stop27h 00m

Kathmandu Tribhuvan

Sat 9/20

4:40 pm-4:10 pm

1 stop22h 15m

$368

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 9/15

11:40 pm-2:05 pm

1 stop15h 40m

Kathmandu Tribhuvan

Sun 9/21

4:40 pm-4:10 pm

1 stop22h 15m

$383

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 1/13

1:55 pm-12:40 pm

1 stop24h 00m

Kathmandu Tribhuvan

Mon 1/19

12:50 pm-6:20 am

1 stop16h 15m

$385

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 1/14

9:00 am-11:50 am

1 stop28h 05m

Kathmandu Tribhuvan

Mon 1/19

12:50 pm-6:20 am

1 stop16h 15m

$407

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 9/5

4:45 pm-7:00 pm

Nonstop3h 30m

Kathmandu Tribhuvan

Wed 9/17

11:10 am-3:45 pm

Nonstop3h 20m

$431

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 11/7

4:45 pm-7:00 pm

Nonstop3h 30m

Kathmandu Tribhuvan

Wed 2/25

11:10 am-3:45 pm

Nonstop3h 20m

$437

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 8/31

8:20 pm-10:30 pm

Nonstop3h 25m

Kathmandu Tribhuvan

Wed 9/17

11:30 pm-4:15 am

Nonstop3h 30m

$448

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 8/12

10:15 am-12:25 pm

Nonstop3h 25m

Kathmandu Tribhuvan

Thu 8/14

1:30 pm-6:15 pm

Nonstop3h 30m

$449

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 Kathmandu from

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

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 Bangkok Suvarnabhumi Airport and Kathmandu?

What is the cheapest month to fly to Kathmandu?

The month of January is another great option to travel to Kathmandu, with average flight prices from Bangkok Suvarnabhumi Airport averaging around $260.

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

According to our data, Friday is the cheapest day to fly to Kathmandu from Bangkok Suvarnabhumi Airport. The lowest ticket price found for a Friday departure recently was $418. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Bangkok Suvarnabhumi Airport to Kathmandu on a Tuesday will generally be more expensive and average around $536. 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 Kathmandu?

In the morning is the cheapest time of day to fly from Bangkok Suvarnabhumi Airport to Kathmandu when you can find flight prices for as low as $301. Flying to Kathmandu in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $465.

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

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

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

You are more likely to see cheaper flights to Kathmandu from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $307 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Bangkok Suvarnabhumi Airport for as low as $270 on momondo.

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

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

You could potentially save up to 21% on your flight if you consider stops on a Bangkok Suvarnabhumi Airport to Kathmandu flight.

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

As of July 2025, prices for Bangkok Suvarnabhumi Airport to Kathmandu flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Bangkok Suvarnabhumi Airport to Kathmandu

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

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

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

Best Price Found

$153

Fastest flight time

3h 25m

Direct flights

Every day

Airports in Kathmandu

1 airport
The best one-way flight to Kathmandu from Bangkok Suvarnabhumi Airport in the past 72 hours is $153. The best round-trip flight deal from Bangkok Suvarnabhumi Airport to Kathmandu found on momondo in the last 72 hours is $336.
The fastest flight from Bangkok Suvarnabhumi Airport to Kathmandu takes 3h 25m
Direct flights go from Bangkok Suvarnabhumi Airport to Kathmandu every day.
There is 1 airport near Kathmandu: Kathmandu Tribhuvan (KTM)
Search flight deals

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

    There are 1386.5 mi between Bangkok Suvarnabhumi and Kathmandu Tribhuvan. Flights usually cover this in 3h 25m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport.

  • What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

    The necessary travel and health documents for your Kathmandu Tribhuvan 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 Bangkok Suvarnabhumi Airport to Kathmandu?

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

Best airlines flying from Bangkok Suvarnabhumi Airport to Kathmandu

Compare and see reviews for airlines that fly from Bangkok Suvarnabhumi Airport to Kathmandu with momondo
Airline
Rating
Free Cancellation
Price
Thai AirAsiaPriceFrom $205Free CancellationRating
7.5
217 reviews
Search Thai AirAsia flights
Thai Lion AirPriceFrom $223Free CancellationRating
7.1
28 reviews
Search Thai Lion Air flights
Nepal AirlinesPriceFrom $386Free CancellationRating
5.8
11 reviews
Search Nepal Airlines flights
Thai AirwaysPriceFrom $430Free CancellationRating
7.8
340 reviews
Search Thai Airways flights

  • Thai Airways Flights From Bangkok Suvarnabhumi Airport to Kathmandu

    Thai Airways flies from Bangkok Suvarnabhumi Airport to Kathmandu around 9 times per week, with 340 momondo users rating the airline 7.8/10. The cheapest Thai Airways deal from Bangkok Suvarnabhumi Airport to Kathmandu in the last 72 hours was $430 (round-trip), much lower than the average airfare cost of $499 for Thai Airways flights on this route.

  • Nepal Airlines Flights From Bangkok Suvarnabhumi Airport to Kathmandu

    $386 is the best Nepal Airlines flight deal from Bangkok Suvarnabhumi Airport to Kathmandu found on momondo over the last 72 hours. The average Nepal Airlines ticket price found was closer to $415, however, with flight time and availability significantly affecting the price. Nepal Airlines (5.8/10 from 11 user reviews) flies into Kathmandu from Bangkok Suvarnabhumi Airport 3 times in an average week so prices can vary.

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Bangkok to Kathmandu. momondo saves you time and could save you money on your trip.

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

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

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

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 Bangkok to Kathmandu.

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

Yes. momondo can track prices for Bangkok to Kathmandu 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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