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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from $165

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 11/13. 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

China Southern Logo
3:55 pm - 11:50 amBKK-KTM
21h 10m1 stop
China Southern Logo
12:50 pm - 1:30 amKTM-BKK
11h 25m1 stop
$340China Southern
Find Deal
Sun, Oct 12 - Sun, Oct 19
China Southern Logo
3:00 am - 11:50 amBKK-KTM
10h 05m1 stop
China Southern Logo
12:50 pm - 4:50 pmKTM-BKK
26h 45m1 stop
$341China Southern
Find Deal
Sun, Oct 12 - Mon, Oct 20
China Southern Logo
11:25 am - 10:55 pmBKK-KTM
12h 45m1 stop
China Southern Logo
11:55 pm - 5:05 pmKTM-BKK
15h 55m1 stop
$364China Southern
Find Deal
Fri, Jan 9 - Sat, Jan 17
Multiple Airlines Logo
3:00 am - 11:50 amBKK-KTM
10h 05m1 stop
Multiple Airlines Logo
11:10 am - 3:45 pmKTM-BKK
3h 20mnonstop
$406Multiple Airlines
Find Deal
Sun, Oct 12 - Mon, Oct 20
Multiple Airlines Logo
2:10 am - 10:55 pmBKK-KTM
22h 00m1 stop
Multiple Airlines Logo
12:25 am - 5:10 amKTM-BKK
3h 30mnonstop
$407Multiple Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 16
SriLankan Airlines Logo
1:55 pm - 12:40 pmBKK-KTM
24h 00m1 stop
SriLankan Airlines Logo
12:50 pm - 12:35 pmKTM-BKK
22h 30m1 stop
$409SriLankan Airlines
Find Deal
Tue, Jan 13 - Sun, Jan 18
Nepal Airlines Logo
4:45 pm - 7:00 pmBKK-KTM
3h 30mnonstop
Nepal Airlines Logo
11:10 am - 3:45 pmKTM-BKK
3h 20mnonstop
$425Nepal Airlines
Find Deal
Mon, Jan 12 - 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
$439Nepal Airlines
Find Deal
Mon, Nov 3 - Mon, Nov 17
Air India Logo
3:35 pm - 4:00 pmBKK-KTM
25h 40m2 stops
Air India Logo
6:30 am - 8:25 pmKTM-BKK
12h 40m1 stop
$499Air India
Find Deal
Thu, Nov 13 - Sun, Nov 16
Air India Logo
3:35 pm - 9:05 amBKK-KTM
18h 45m2 stops
Air India Logo
9:00 pm - 8:25 pmKTM-BKK
22h 10m1 stop
$516Air India
Find Deal
Thu, Nov 13 - Sun, Nov 16

China Southern flights from Bangkok Suvarnabhumi Airport to Kathmandu

Our best China Southern deals on Bangkok Suvarnabhumi Airport to Kathmandu flight tickets
China Southern
Oct 12
BKK3:55 pmBangkok Suvarnabhumi
21h 10m
1 stop
KTM11:50 amKathmandu Tribhuvan
Oct 19
KTM12:50 pmKathmandu Tribhuvan
11h 25m
1 stop
BKK1:30 amBangkok Suvarnabhumi
$340
Find similar
China Southern
Oct 12
BKK3:00 amBangkok Suvarnabhumi
10h 05m
1 stop
KTM11:50 amKathmandu Tribhuvan
Oct 20
KTM12:50 pmKathmandu Tribhuvan
26h 45m
1 stop
BKK4:50 pmBangkok Suvarnabhumi
$341
Find similar
China Southern
Jan 9
BKK11:25 amBangkok Suvarnabhumi
12h 45m
1 stop
KTM10:55 pmKathmandu Tribhuvan
Jan 17
KTM11:55 pmKathmandu Tribhuvan
15h 55m
1 stop
BKK5:05 pmBangkok Suvarnabhumi
$364
Find similar

Nepal Airlines flights from Bangkok Suvarnabhumi Airport to Kathmandu

Our best Nepal Airlines deals on Bangkok Suvarnabhumi Airport to Kathmandu flight tickets
Nepal Airlines
Sep 17
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
Oct 20
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
$392
Find similar
Nepal Airlines
Jan 12
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
Jan 19
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
$425
Find similar
Nepal Airlines
Nov 3
BKK4:45 pmBangkok Suvarnabhumi
3h 30m
KTM7:00 pmKathmandu Tribhuvan
Nov 17
KTM11:10 amKathmandu Tribhuvan
3h 20m
BKK3:45 pmBangkok Suvarnabhumi
$439
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 September 16, 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

Sun 10/12

3:55 pm-11:50 am

1 stop21h 10m

Kathmandu Tribhuvan

Sun 10/19

12:50 pm-1:30 am

1 stop11h 25m

$340

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 10/12

3:00 am-11:50 am

1 stop10h 05m

Kathmandu Tribhuvan

Mon 10/20

12:50 pm-4:50 pm

1 stop26h 45m

$341

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 1/9

11:25 am-10:55 pm

1 stop12h 45m

Kathmandu Tribhuvan

Sat 1/17

11:55 pm-5:05 pm

1 stop15h 55m

$364

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 10/12

3:00 am-11:50 am

1 stop10h 05m

Kathmandu Tribhuvan

Mon 10/20

11:10 am-3:45 pm

Nonstop3h 20m

$406

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 11/2

2:10 am-10:55 pm

1 stop22h 00m

Kathmandu Tribhuvan

Sun 11/16

12:25 am-5:10 am

Nonstop3h 30m

$407

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 1/13

1:55 pm-12:40 pm

1 stop24h 00m

Kathmandu Tribhuvan

Sun 1/18

12:50 pm-12:35 pm

1 stop22h 30m

$409

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 1/12

4:45 pm-7:00 pm

Nonstop3h 30m

Kathmandu Tribhuvan

Mon 1/19

11:10 am-3:45 pm

Nonstop3h 20m

$425

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 11/3

4:45 pm-7:00 pm

Nonstop3h 30m

Kathmandu Tribhuvan

Mon 11/17

11:10 am-3:45 pm

Nonstop3h 20m

$439

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 11/13

3:35 pm-4:00 pm

2 stops25h 40m

Kathmandu Tribhuvan

Sun 11/16

6:30 am-8:25 pm

1 stop12h 40m

$499

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 11/13

3:35 pm-9:05 am

2 stops18h 45m

Kathmandu Tribhuvan

Sun 11/16

9:00 pm-8:25 pm

1 stop22h 10m

$516

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 $263.

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

According to our data, Tuesday is the cheapest day to fly to Kathmandu from Bangkok Suvarnabhumi Airport. The lowest ticket price found for a Tuesday departure recently was $453. 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 Thursday will generally be more expensive and average around $524. 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 $294. 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 $293 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 $250 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?

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

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

As of September 2025, prices for Bangkok Suvarnabhumi Airport to Kathmandu flights are approximately 8% 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

$222

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 $222. The best round-trip flight deal from Bangkok Suvarnabhumi Airport to Kathmandu found on momondo in the last 72 hours is $476.
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 30m, 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 $212Free CancellationRating
7.5
216 reviews
Search Thai AirAsia flights
Thai Lion AirPriceFrom $223Free CancellationRating
7.3
27 reviews
Search Thai Lion Air flights
Nepal AirlinesPriceFrom $383Free CancellationRating
5.8
11 reviews
Search Nepal Airlines flights
Thai AirwaysPriceFrom $448Free CancellationRating
7.8
350 reviews
Search Thai Airways flights

  • Thai Airways Flights From Bangkok Suvarnabhumi Airport to Kathmandu

    Thai Airways flies from Bangkok Suvarnabhumi Airport to Kathmandu around 14 times per week, with 350 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 $448 (round-trip), much lower than the average airfare cost of $483 for Thai Airways flights on this route.

  • Nepal Airlines Flights From Bangkok Suvarnabhumi Airport to Kathmandu

    $383 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 $446, 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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