Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Kathmandu to Bangkok Suvarnabhumi Airport from ₹ 20,630

KTM — BKK
28 Oct — 4 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kathmandu to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest flights from Kathmandu to Suvarnabhumi

Tue 6/1000:25 -
Nonstop3h 30m
Sat 5/1210:15 -
Nonstop3h 25m
Deal found 26/9₹ 37,902
Sun 20/1221:40 -
1 stop19h 30m
Fri 25/1219:25 -
1 stop12h 25m
Deal found 25/9₹ 39,534
Sun 1/1100:25 -
Nonstop3h 30m
Wed 11/1110:15 -
Nonstop3h 25m
Deal found 25/9₹ 42,988
Mon 2/1117:10 -
1 stop24h 00m
Wed 11/1119:25 -
1 stop14h 55m
Deal found 25/9₹ 44,235
Sun 25/1017:10 -
1 stop19h 45m
Sun 1/1108:05 -
1 stop16h 05m
Deal found 27/9₹ 44,427
Tue 6/1000:25 -
Nonstop3h 30m
Sat 5/1215:10 -
1 stop16h 40m
Deal found 26/9₹ 44,907
Wed 7/1007:35 -
1 stop8h 05m
Sat 5/1222:20 -
1 stop9h 30m
Deal found 26/9₹ 45,387
Mon 26/1006:30 -
1 stop13h 00m
Mon 2/1108:05 -
1 stop9h 20m
Deal found 28/9₹ 45,483
Tue 27/1017:10 -
1 stop12h 40m
Thu 5/1122:20 -
1 stop12h 00m
Deal found 24/9₹ 45,867
Mon 26/1006:30 -
1 stop13h 00m
Fri 30/1022:20 -
1 stop12h 00m
Deal found 28/9₹ 46,826
Thu 12/1115:05 -
1 stop22h 25m
Wed 18/1116:15 -
1 stop23h 05m
Deal found 28/9₹ 47,114

Find flight deals from Kathmandu to Suvarnabhumi

Round-trip from

₹ 39,534

One-way from

₹ 20,630

Popular in

May

Cheapest in

March

Average price

₹ 33,872

Good round-trip deal

₹ 40,953 or less

Good one-way deal

₹ 20,313 or less
Air India
  • Air India
  • 20/12-25/12
  • 2 total stops
  • 31h 55m total
  • Kathmandu to Bangkok
Search Deals
Thai Airways
  • Thai Airways
  • 22/1-31/12
  • Nonstop
  • 3h 30m total
  • Kathmandu to Bangkok
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (₹ 238,553 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 63,418 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals
Price to beat on a round-trip flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi.
Search Deals
Price to beat on a one-way flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi.
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Kathmandu to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Fri 22/1

22:45-08:50

2 stops32h 50m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 34,064

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Thu 21/1

22:45-08:50

2 stops32h 50m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 38,190

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Sun 17/1

22:45-08:50

2 stops32h 50m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 38,190

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Wed 21/10

13:00-08:55

2 stops42h 40m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 40,013

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Mon 18/1

22:45-08:50

2 stops32h 50m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 42,316

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Fri 23/10

22:45-08:50

2 stops32h 50m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 61,795

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Wed 30/12

13:00-08:50

2 stops18h 35m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 61,795

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Mon 15/3

22:55-16:00

1 stop15h 50m

Bangkok Suvarnabhumi

Wed 17/3

18:10-21:50

1 stop28h 55m

₹ 62,851

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Tue 24/11

22:45-08:50

2 stops32h 50m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 68,032

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Fri 20/11

13:00-08:50

2 stops18h 35m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 68,608

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Kathmandu to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Kathmandu with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Bangkok Suvarnabhumi Airport

How far ahead should I book a flight from Kathmandu to Bangkok Suvarnabhumi Airport?

The best time to book flights from Kathmandu to Bangkok Suvarnabhumi Airport is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Kathmandu to Bangkok Suvarnabhumi Airport?

Currently, March is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of ₹ 25,236). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in May is currently the most expensive (average of ₹ 40,205). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KTM to BKK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kathmandu to Bangkok Suvarnabhumi Airport as you normally would.

How much does it cost for a return flight from Kathmandu to Bangkok Suvarnabhumi Airport?

Airfare is typical for this route at the moment.

Kathmandu to Bangkok Suvarnabhumi Airport flights typically cost between ₹ 31,569 and ₹ 43,851 in December.
The cheapest return price found within the last 5 days was ₹ 39,534 on Air India (20 Dec–25 Dec).

Reviews of airlines servicing Suvarnabhumi

Read reviews from past customers who have flown with Thai Airways,Thai AirAsia, andThai Lion Air from Kathmandu to Bangkok Suvarnabhumi Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.9
Good
425 reviews
Check prices

Boarding

8.0

Overall

7.9

Comfort

7.7

Crew

8.5

Entertainment

6.9

Food

7.5

Reviews

1 / 20
8.0
Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.
Thai Airways
7.9
Good
425 reviews
Thai Airways
7.9
Good
425 reviews
Check prices

Boarding

8.0

Overall

7.9

Comfort

7.7

Crew

8.5

Entertainment

6.9

Food

7.5

Reviews

1 / 20
8.0
Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.
Thai AirAsia
7.5
Good
252 reviews
Thai Airways
7.9
Good
425 reviews
Check prices

Boarding

8.0

Overall

7.9

Comfort

7.7

Crew

8.5

Entertainment

6.9

Food

7.5

Reviews

1 / 20
8.0
Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.
Thai Lion Air
7.0
Good
49 reviews
Thai Airways
7.9
Good
425 reviews
Check prices

Boarding

8.0

Overall

7.9

Comfort

7.7

Crew

8.5

Entertainment

6.9

Food

7.5

Reviews

1 / 20
8.0
Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Related info for your journey

  • What airport do you fly from for flights from Kathmandu to Bangkok Suvarnabhumi?

    Located just 4.1 km from the city centre, Kathmandu Tribhuvan is the airport most travellers will use when flying to Bangkok Suvarnabhumi from Kathmandu. Booking flights from Tribhuvan (KTM) to Bangkok Suvarnabhumi should be relatively easy as there are 2 daily outbound flights to Bangkok Suvarnabhumi from 3 different airlines.

  • How long is the flight from Kathmandu to Bangkok Suvarnabhumi Airport?

    Departing from Kathmandu to Bangkok Suvarnabhumi Airport will take you 10h 20m. The distance between Kathmandu and Bangkok Suvarnabhumi Airport is about 2227 km.

  • What are the cheapest airlines flying from Kathmandu to Bangkok Suvarnabhumi Airport round-trip?

    Flying on Thai AirAsia is currently your cheapest option to Bangkok Suvarnabhumi Airport, with prices starting at ₹ 16,249. Additional round-trip tickets that might be worth considering are offered by Thai Lion Air and Thai Airways, with the lowest prices starting at ₹ 18,221 and ₹ 29,865, respectively. Thai AirAsia is currently priced 50% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Kathmandu to Bangkok Suvarnabhumi Airport one-way?

    For one-way options, check prices for Thai AirAsia. According to our data, you can fly for as low as ₹ 8,735. Users have also found prices from ₹ 10,537 and ₹ 14,184 on Thai Lion Air and Nepal Airlines, respectively.

  • What are the cheapest flights from Kathmandu to Bangkok Suvarnabhumi Airport?

    While on average a flight from Kathmandu to Bangkok Suvarnabhumi Airport is generally ₹ 56,324, our data shows the cheapest flight currently is ₹ 20,264. When looking at the most popular route, (Kathmandu Tribhuvan - Bangkok Suvarnabhumi), you can expect to pay ₹ 39,534 for that flight.

  • Can I find deals for flights from Kathmandu to Suvarnabhumi that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Suvarnabhumi flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Suvarnabhumi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Suvarnabhumi.

  • Can I find deals for business class flights from Kathmandu to Suvarnabhumi?

    Yes. Cheapflights offers flight deals from Kathmandu to Suvarnabhumi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kathmandu to Bangkok Suvarnabhumi Airport?

    Currently, March is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of ₹ 25,236). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in May is currently the most expensive (average of ₹ 40,205). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Ko Samet
Chonburi

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Kathmandu to Suvarnabhumi

AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest₹ 16,249Average₹ 23,349FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest₹ 18,221Average₹ 21,315FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirwaysCheapest₹ 29,865Average₹ 36,607FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Kathmandu to Suvarnabhumi?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Suvarnabhumi from Kathmandu today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Kathmandu to Suvarnabhumi?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Suvarnabhumi from Kathmandu.

Can Cheapflights find flights from Kathmandu to Suvarnabhumi with no change fees?

Yes, we can. To see specific flights from Kathmandu to Suvarnabhumi with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Kathmandu to Suvarnabhumi become cheaper?

Not ready to book yet? You can track prices for flights from Kathmandu to Suvarnabhumi on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.