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Cheap flights from Kathmandu to Bangkok Suvarnabhumi Airport from C$ 368

KTM — BKK
24 Nov — 1 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

Fri 30/108:50 p.m. -
1 stop23h 00m
Thu 5/116:45 a.m. -
1 stop28h 15m
Deal found 24/10C$ 675
Wed 2/128:50 p.m. -
1 stop23h 00m
Wed 9/126:45 a.m. -
1 stop28h 15m
Deal found 24/10C$ 679
Mon 7/125:10 p.m. -
1 stop26h 40m
Wed 16/126:45 a.m. -
1 stop14h 20m
Deal found 25/10C$ 686
Mon 7/125:10 p.m. -
1 stop17h 40m
Mon 14/126:45 a.m. -
1 stop10h 40m
Deal found 23/10C$ 697
Fri 4/128:50 p.m. -
1 stop23h 00m
Tue 8/126:45 a.m. -
1 stop14h 20m
Deal found 24/10C$ 710
Wed 18/118:50 p.m. -
1 stop23h 00m
Thu 26/116:45 a.m. -
1 stop14h 20m
Deal found 22/10C$ 727
Thu 19/118:50 p.m. -
1 stop23h 00m
Thu 26/116:45 a.m. -
1 stop14h 20m
Deal found 22/10C$ 735
Sat 21/118:50 p.m. -
1 stop23h 00m
Sat 28/116:45 a.m. -
1 stop14h 20m
Deal found 21/10C$ 744
Wed 21/108:50 p.m. -
1 stop14h 45m
Thu 12/116:45 a.m. -
1 stop28h 15m
Deal found 21/10C$ 746
Mon 16/118:50 p.m. -
1 stop23h 00m
Fri 4/126:45 a.m. -
1 stop28h 15m
Deal found 23/10C$ 749

Find flight deals from Kathmandu to Suvarnabhumi

Round-trip from

C$ 679

One-way from

C$ 368

Popular in

October

Cheapest in

March

Average price

C$ 616

Good round-trip deal

C$ 637 or less

Good one-way deal

C$ 485 or less
IndiGo
  • IndiGo
  • 2/12-9/12
  • 2 total stops
  • 51h 15m total
  • Kathmandu to Bangkok
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Nepal Airlines
  • Nepal Airlines
  • 4/12-31/12
  • Nonstop
  • 3h 20m total
  • Kathmandu to Bangkok
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Highest demand for flights based on searches. 12% potential increase in price (C$ 97 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
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Average for round-trip flights in October 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 round-trip
Quickest round-trip

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Mon 30/11

10:45 a.m.-9:05 p.m.

1 stop9h 05m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-10:30 p.m.

Nonstop0h 00m

C$ 377

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Tue 3/11

3:05 p.m.-7:50 p.m.

1 stop27h 30m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-10:30 p.m.

Nonstop0h 00m

C$ 385

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Fri 27/11

5:10 p.m.-12:05 p.m.

1 stop17h 40m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-10:30 p.m.

Nonstop0h 00m

C$ 403

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Tue 15/12

8:50 p.m.-9:05 p.m.

1 stop23h 00m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-10:30 p.m.

Nonstop0h 00m

C$ 405

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Mon 28/12

10:45 a.m.-9:05 p.m.

1 stop9h 05m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-10:30 p.m.

Nonstop0h 00m

C$ 452

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Wed 21/4

10:50 p.m.-3:50 p.m.

1 stop15h 45m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-10:30 p.m.

Nonstop0h 00m

C$ 511

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Mon 18/1

10:45 p.m.-8:50 a.m.

2 stops32h 50m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-10:30 p.m.

Nonstop0h 00m

C$ 525

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Mon 7/12

5:10 p.m.-9:05 p.m.

1 stop26h 40m

Bangkok Suvarnabhumi

Wed 16/12

6:45 a.m.-7:50 p.m.

1 stop14h 20m

C$ 686

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Mon 7/12

5:10 p.m.-12:05 p.m.

1 stop17h 40m

Bangkok Suvarnabhumi

Mon 14/12

6:45 a.m.-4:10 p.m.

1 stop10h 40m

C$ 697

KathmanduBangkok

KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi

KTMBKK

Kathmandu Tribhuvan

Wed 2/12

5:10 p.m.-9:05 p.m.

1 stop26h 40m

Bangkok Suvarnabhumi

Wed 9/12

6:45 a.m.-7:50 p.m.

1 stop14h 20m

C$ 702

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 round-trip 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 C$ 371). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in October is currently the most expensive (average of C$ 616). 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 to fly round-trip from Kathmandu to Bangkok Suvarnabhumi Airport?

Airfare is typical for this route at the moment.

Kathmandu to Bangkok Suvarnabhumi Airport flights typically cost between C$ 524 and C$ 706 in December.
The cheapest round-trip price found within the last 5 days was C$ 679 on IndiGo (2 Dec-9 Dec).

Reviews of airlines servicing Suvarnabhumi

See what other customers who have flown with Thai Airways from Kathmandu to Bangkok Suvarnabhumi Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.9
Good
430 reviews
Check prices

Food

7.5

Boarding

8.0

Entertainment

7.0

Overall

7.9

Crew

8.5

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Thayawat,Sep 2026

SIN - BKK

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

Food

7.5

Boarding

8.0

Entertainment

7.0

Overall

7.9

Crew

8.5

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Thayawat,Sep 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?

    Kathmandu Tribhuvan (KTM) is the airport you will fly out of if you book a flight from Kathmandu to Bangkok Suvarnabhumi. You should not have trouble finding flights to Bangkok Suvarnabhumi from Tribhuvan; the airport handles an average of 0 outbound flights to Bangkok Suvarnabhumi per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Kathmandu airport to Bangkok Suvarnabhumi. It is only a 4.1 km journey to Tribhuvan (KTM) from Kathmandu’s city centre.

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

    IndiGo can get you from Kathmandu to Bangkok Suvarnabhumi Airport in just under 26h 40m. Your travel time can differ by up to . Kathmandu and Bangkok Suvarnabhumi Airport are separated by a distance of 2227 km.

  • What is the cheapest airline to fly from Kathmandu to Bangkok Suvarnabhumi Airport round-trip?

    Currently priced at C$ 476, Thai Airways will fly you from Kathmandu to Bangkok Suvarnabhumi Airport and back. In addition to Thai Airways, many other airlines offer competitively priced options for your trip. Thai Airways is priced at 3% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Thai AirAsia, with whom users have recently found tickets for as low as C$ 122. However, be on the lookout for offers from Thai Lion Air and Nepal Airlines, as they are both options that can get you from Kathmandu to Bangkok Suvarnabhumi Airport for a low price.

  • 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 vacation 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 C$ 371). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in October is currently the most expensive (average of C$ 616). 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 Lan
Cha-am
Ko Samet

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Kathmandu to Suvarnabhumi

AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapestC$ 476AverageC$ 520FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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