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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from C$ 300

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 12/5. 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

Enter your travel dates to find the best prices.
China Southern Logo
3:45 p.m. - 11:30 a.m.
BKK
-
KTM
21h 00m1 stop
China Southern Logo
11:30 p.m. - 12:55 p.m.
KTM
-
BKK
12h 10m1 stop
C$ 507China Southern
Tue, 10 Mar - Fri, 13 Mar
Malaysia Airlines Logo
2:15 p.m. - 9:45 p.m.
BKK
-
KTM
8h 45m1 stop
Malaysia Airlines Logo
10:45 p.m. - 4:20 p.m.
KTM
-
BKK
16h 20m1 stop
C$ 571Malaysia Airlines
Tue, 12 May - Mon, 25 May
Malaysia Airlines Logo
6:40 p.m. - 9:45 p.m.
BKK
-
KTM
28h 20m1 stop
Malaysia Airlines Logo
10:45 p.m. - 1:25 p.m.
KTM
-
BKK
13h 25m1 stop
C$ 578Malaysia Airlines
Mon, 11 May - Sun, 24 May
Air India Logo
5:05 p.m. - 1:45 p.m.
BKK
-
KTM
21h 55m1 stop
Air India Logo
2:45 p.m. - 4:05 p.m.
KTM
-
BKK
24h 05m1 stop
C$ 592Air India
Mon, 9 Feb - Sun, 15 Feb
Malaysia Airlines Logo
6:00 a.m. - 9:45 p.m.
BKK
-
KTM
17h 00m1 stop
Malaysia Airlines Logo
10:45 p.m. - 5:20 p.m.
KTM
-
BKK
17h 20m1 stop
C$ 628Malaysia Airlines
Fri, 12 Jun - Mon, 15 Jun
Thai Airways Logo
9:15 p.m. - 11:25 p.m.
BKK
-
KTM
3h 25mdirect
Thai Airways Logo
12:25 a.m. - 5:10 a.m.
KTM
-
BKK
3h 30mdirect
C$ 636Thai Airways
Mon, 9 Feb - Sat, 14 Feb
Thai Airways Logo
9:15 p.m. - 11:25 p.m.
BKK
-
KTM
3h 25mdirect
Thai Airways Logo
12:25 a.m. - 5:10 a.m.
KTM
-
BKK
3h 30mdirect
C$ 639Thai Airways
Tue, 10 Mar - Thu, 12 Mar
Malaysia Airlines Logo
7:40 p.m. - 12:00 p.m.
BKK
-
KTM
17h 35m1 stop
Malaysia Airlines Logo
10:45 p.m. - 4:20 p.m.
KTM
-
BKK
16h 20m1 stop
C$ 684Malaysia Airlines
Sun, 10 May - Thu, 28 May
Malaysia Airlines Logo
6:40 p.m. - 9:45 p.m.
BKK
-
KTM
28h 20m1 stop
Malaysia Airlines Logo
10:45 p.m. - 4:20 p.m.
KTM
-
BKK
16h 20m1 stop
C$ 693Malaysia Airlines
Sat, 9 May - Mon, 25 May
Malaysia Airlines Logo
6:40 p.m. - 9:45 p.m.
BKK
-
KTM
28h 20m1 stop
Malaysia Airlines Logo
1:00 p.m. - 11:05 p.m.
KTM
-
BKK
8h 50m1 stop
C$ 708Malaysia Airlines
Thu, 14 May - Wed, 27 May

Malaysia Airlines flights from Bangkok Suvarnabhumi Airport to Kathmandu

Our best Malaysia Airlines deals on Bangkok Suvarnabhumi Airport to Kathmandu flight tickets
Malaysia Airlines
12 May
BKK2:15 p.m.Bangkok Suvarnabhumi
8h 45m
1 stop
KTM9:45 p.m.Kathmandu Tribhuvan
25 May
KTM10:45 p.m.Kathmandu Tribhuvan
16h 20m
1 stop
BKK4:20 p.m.Bangkok Suvarnabhumi
C$ 571
Find similar
Malaysia Airlines
11 May
BKK6:40 p.m.Bangkok Suvarnabhumi
28h 20m
1 stop
KTM9:45 p.m.Kathmandu Tribhuvan
28 May
KTM10:45 p.m.Kathmandu Tribhuvan
17h 20m
1 stop
BKK5:20 p.m.Bangkok Suvarnabhumi
C$ 578
Find similar
Malaysia Airlines
10 May
BKK6:00 a.m.Bangkok Suvarnabhumi
17h 00m
1 stop
KTM9:45 p.m.Kathmandu Tribhuvan
25 May
KTM10:45 p.m.Kathmandu Tribhuvan
16h 20m
1 stop
BKK4:20 p.m.Bangkok Suvarnabhumi
C$ 684
Find similar

Air India flights from Bangkok Suvarnabhumi Airport to Kathmandu

Our best Air India deals on Bangkok Suvarnabhumi Airport to Kathmandu flight tickets
Air India
9 Feb
BKK5:05 p.m.Bangkok Suvarnabhumi
21h 55m
1 stop
KTM1:45 p.m.Kathmandu Tribhuvan
15 Feb
KTM2:45 p.m.Kathmandu Tribhuvan
24h 05m
1 stop
BKK4:05 p.m.Bangkok Suvarnabhumi
C$ 592
Find similar
Air India
9 Feb
BKK5:05 p.m.Bangkok Suvarnabhumi
21h 55m
1 stop
KTM1:45 p.m.Kathmandu Tribhuvan
15 Feb
KTM9:05 p.m.Kathmandu Tribhuvan
17h 45m
2 stops
BKK4:05 p.m.Bangkok Suvarnabhumi
C$ 759
Find similar
Air India
9 Feb
BKK5:05 p.m.Bangkok Suvarnabhumi
22h 05m
2 stops
KTM1:55 p.m.Kathmandu Tribhuvan
15 Feb
KTM9:05 p.m.Kathmandu Tribhuvan
17h 45m
2 stops
BKK4:05 p.m.Bangkok Suvarnabhumi
C$ 873
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 96,600 searches. Data last updated 23 December 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

Tue 10/3

3:45 p.m.-11:30 a.m.

1 stop21h 00m

Kathmandu Tribhuvan

Fri 13/3

11:30 p.m.-12:55 p.m.

1 stop12h 10m

C$ 507

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 12/5

2:15 p.m.-9:45 p.m.

1 stop8h 45m

Kathmandu Tribhuvan

Mon 25/5

10:45 p.m.-4:20 p.m.

1 stop16h 20m

C$ 571

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 11/5

6:40 p.m.-9:45 p.m.

1 stop28h 20m

Kathmandu Tribhuvan

Sun 24/5

10:45 p.m.-1:25 p.m.

1 stop13h 25m

C$ 578

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 9/2

5:05 p.m.-1:45 p.m.

1 stop21h 55m

Kathmandu Tribhuvan

Sun 15/2

2:45 p.m.-4:05 p.m.

1 stop24h 05m

C$ 592

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 12/6

6:00 a.m.-9:45 p.m.

1 stop17h 00m

Kathmandu Tribhuvan

Mon 15/6

10:45 p.m.-5:20 p.m.

1 stop17h 20m

C$ 628

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 9/2

9:15 p.m.-11:25 p.m.

Nonstop3h 25m

Kathmandu Tribhuvan

Sat 14/2

12:25 a.m.-5:10 a.m.

Nonstop3h 30m

C$ 636

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 10/3

9:15 p.m.-11:25 p.m.

Nonstop3h 25m

Kathmandu Tribhuvan

Thu 12/3

12:25 a.m.-5:10 a.m.

Nonstop3h 30m

C$ 639

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 10/5

7:40 p.m.-12:00 p.m.

1 stop17h 35m

Kathmandu Tribhuvan

Thu 28/5

10:45 p.m.-4:20 p.m.

1 stop16h 20m

C$ 684

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 9/5

6:40 p.m.-9:45 p.m.

1 stop28h 20m

Kathmandu Tribhuvan

Mon 25/5

10:45 p.m.-4:20 p.m.

1 stop16h 20m

C$ 693

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 14/5

6:40 p.m.-9:45 p.m.

1 stop28h 20m

Kathmandu Tribhuvan

Wed 27/5

1:00 p.m.-11:05 p.m.

1 stop8h 50m

C$ 708

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 cheapest month to fly to Kathmandu from Bangkok Suvarnabhumi Airport is in January. Flight prices, which tend to average around C$ 348, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Kathmandu from Bangkok Suvarnabhumi Airport during August instead. Flights to Kathmandu in August, while not as cheap as those in January, still average around C$ 350.

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

On average, the least expensive day to fly to Kathmandu from Bangkok Suvarnabhumi Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as C$ 464. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Kathmandu is Tuesday, with ticket prices averaging around C$ 661.

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 C$ 391 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 C$ 332 on momondo.

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

There are 2 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.

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

As of December 2025, prices for Bangkok Suvarnabhumi Airport to Kathmandu flights are approximately 19% 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

Fastest flight time

3h 25m

Direct flights

Tue

Airports in Kathmandu

1 airport
The fastest flight from Bangkok Suvarnabhumi Airport to Kathmandu takes 3h 25m
Direct flights go from Bangkok Suvarnabhumi Airport to Kathmandu on Tuesday. There are no airlines offering direct flights.
There is 1 airport in Kathmandu. From Bangkok Suvarnabhumi Airport there are direct flights to Kathmandu Tribhuvan (KTM).
Search flight deals

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

    The straight-line distance from Bangkok Suvarnabhumi to Kathmandu Tribhuvan is 2231.4 km. 3h 25m is a normal flight duration for this route.

  • 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 are refreshed on a daily basis.

  • 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?

    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 Bangkok Suvarnabhumi Airport to Kathmandu Tribhuvan Airport.

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

    The travel and health documents you'll need for your trip to Kathmandu Tribhuvan 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 Kathmandu Tribhuvan 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 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 C$ 273Free CancellationRating
7.4
225 reviews
Search Thai AirAsia flights

Travelling 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 compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Bangkok to Kathmandu . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Kathmandu from Bangkok with this policy.

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

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

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

If you are not ready to book a flight from Bangkok to Kathmandu now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Kathmandu and let you know when they change.

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Thai AirAsia