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Cheap flights from Kathmandu to Bangkok Suvarnabhumi Airport from ₹ 25,226

KTM — BKK
10 Dec — 17 Dec1
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

Sat 7/1114:05 -
1 stop20h 45m
Tue 10/1120:50 -
1 stop20h 35m
Deal found 6/11₹ 42,575
Fri 6/1117:10 -
1 stop26h 40m
Sun 8/1106:45 -
1 stop14h 20m
Deal found 6/11₹ 44,357
Tue 1/1215:20 -
1 stop22h 10m
Fri 4/1216:15 -
1 stop23h 20m
Deal found 5/11₹ 45,388
Mon 16/1122:00 -
1 stop15h 45m
Sun 22/1116:15 -
1 stop6h 00m
Deal found 10/11₹ 46,045
Mon 16/1122:00 -
1 stop15h 45m
Mon 23/1116:15 -
1 stop23h 05m
Deal found 10/11₹ 46,608
Mon 30/1100:25 -
Nonstop3h 30m
Fri 4/1210:15 -
Nonstop3h 25m
Deal found 5/11₹ 46,795
Wed 30/1220:50 -
1 stop23h 00m
Thu 7/120:50 -
1 stop24h 15m
Deal found 8/11₹ 46,889
Mon 14/1210:45 -
1 stop9h 05m
Fri 25/1220:50 -
1 stop24h 15m
Deal found 10/11₹ 47,076
Fri 4/1220:50 -
1 stop23h 00m
Fri 11/1206:45 -
1 stop28h 15m
Deal found 6/11₹ 47,358

Find flight deals from Kathmandu to Suvarnabhumi

Round-trip from

₹ 39,293

One-way from

₹ 25,226

Popular in

October

Cheapest in

March

Average price

₹ 40,512

Good round-trip deal

₹ 31,931 or less

Good one-way deal

₹ 19,858 or less
China Southern
  • China Southern
  • 15/2-21/2
  • 2 total stops
  • 33h 05m total
  • Kathmandu to Bangkok
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IndiGo
  • IndiGo
  • 12/12-31/12
  • 1 total stop
  • 23h 00m total
  • Kathmandu to Bangkok
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Highest demand for flights based on searches. 11% potential increase in price (₹ 423,516 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (₹ 64,972 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi.
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Price to beat on a one-way flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi.
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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

Wed 16/12

20:50-21:05

1 stop23h 00m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 26,727

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Sat 12/12

20:50-21:05

1 stop23h 00m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 26,727

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Sat 28/11

20:50-21:05

1 stop23h 00m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 29,634
Fastest return journey

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Wed 25/11

10:45-21:05

1 stop9h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 30,478

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Tue 19/1

22:55-17:35

1 stop17h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 34,135

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Thu 14/1

22:45-08:50

2 stops32h 50m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 35,448

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Tue 17/11

20:50-21:05

1 stop23h 00m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 36,011

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Mon 28/12

22:45-08:50

2 stops32h 50m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 37,324

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Wed 30/12

17:10-21:05

1 stop26h 40m

Bangkok Suvarnabhumi

Thu 7/1

06:45-16:10

1 stop10h 40m

₹ 46,983

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Sat 21/11

14:30-10:25

1 stop18h 40m

Bangkok Suvarnabhumi

Wed 31/12

00:00-22:30

Nonstop0h 00m

₹ 47,076

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 21 resultsSorted by cheapest first
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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 88 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 ₹ 25,789). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in October is currently the most expensive (average of ₹ 41,450). 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 ₹ 35,354 and ₹ 48,577 in February.
The cheapest return price found within the last 5 days was ₹ 39,293 on Multiple Airlines (15 Feb–21 Feb).

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
433 reviews
Check prices

Entertainment

6.9

Boarding

8.0

Comfort

7.7

Overall

7.9

Food

7.5

Crew

8.5

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
433 reviews
Thai Airways
7.9
Good
433 reviews
Check prices

Entertainment

6.9

Boarding

8.0

Comfort

7.7

Overall

7.9

Food

7.5

Crew

8.5

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
7.4
Good
256 reviews
Thai Airways
7.9
Good
433 reviews
Check prices

Entertainment

6.9

Boarding

8.0

Comfort

7.7

Overall

7.9

Food

7.5

Crew

8.5

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
433 reviews
Check prices

Entertainment

6.9

Boarding

8.0

Comfort

7.7

Overall

7.9

Food

7.5

Crew

8.5

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 26h 40m. 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 ₹ 15,485. Additional round-trip tickets that might be worth considering are offered by Thai Lion Air and Thai Airways, with the lowest prices starting at ₹ 17,807 and ₹ 29,187, respectively. Thai AirAsia is currently priced 54% 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 ₹ 8,537. Users have also found prices from ₹ 10,298 and ₹ 15,456 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 ₹ 35,163, our data shows the cheapest flight currently is ₹ 19,756. When looking at the most popular route, (Kathmandu Tribhuvan - Bangkok Suvarnabhumi), you can expect to pay ₹ 39,105 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 ₹ 25,789). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in October is currently the most expensive (average of ₹ 41,450). 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₹ 15,485Average₹ 22,336FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest₹ 17,807Average₹ 20,334FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirwaysCheapest₹ 29,187Average₹ 35,912FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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