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Cheap flights from Kathmandu to Bangkok Suvarnabhumi Airport from £133

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
1 May — 8 May1
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
Explore the most affordable flight options available from Kathmandu to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2026.

Fri 8/511:10
KTM
-
BKK
Nonstop3h 20m
Nepal Airlines
Fri 15/516:45
BKK
-
KTM
Nonstop3h 30m
Nepal Airlines
Deal found 27/3£247
Fri 15/511:10
KTM
-
BKK
Nonstop3h 20m
Nepal Airlines
Fri 22/516:45
BKK
-
KTM
Nonstop3h 30m
Nepal Airlines
Deal found 31/3£248
Fri 15/507:35
KTM
-
BKK
1 stop8h 05m
Air India
Fri 22/508:40
BKK
-
KTM
1 stop15h 35m
Air India
Deal found 31/3£271
Tue 9/607:35
KTM
-
BKK
1 stop8h 05m
Air India
Tue 16/617:55
BKK
-
KTM
1 stop13h 55m
Air India
Deal found 31/3£272
Wed 13/506:45
KTM
-
BKK
1 stop8h 55m
Air India
Wed 20/515:15
BKK
-
KTM
1 stop18h 55m
Air India
Deal found 29/3£273
Fri 8/514:40
KTM
-
BKK
1 stop15h 45m
Air India
Fri 15/522:25
BKK
-
KTM
1 stop9h 25m
Air India
Deal found 27/3£274
Fri 26/606:45
KTM
-
BKK
1 stop12h 25m
Multiple Airlines
Fri 3/707:05
BKK
-
KTM
2 stops15h 55m
Multiple Airlines
Deal found 1/4£278
Fri 26/618:00
KTM
-
BKK
1 stop19h 45m
Biman Bangladesh
Fri 3/716:15
BKK
-
KTM
1 stop20h 35m
Biman Bangladesh
Deal found 1/4£292
Mon 10/807:35
KTM
-
BKK
1 stop8h 05m
Air India
Fri 21/815:15
BKK
-
KTM
1 stop9h 00m
Air India
Deal found 27/3£293
Mon 20/410:05
KTM
-
BKK
1 stop9h 05m
Air India
Thu 30/415:15
BKK
-
KTM
1 stop16h 35m
Air India
Deal found 30/3£295
Tue 9/621:10
KTM
-
BKK
1 stop9h 15m
Multiple Airlines
Tue 16/606:50
BKK
-
KTM
2 stops30h 25m
Multiple Airlines
Deal found 31/3£301

Find flight deals from Kathmandu to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Suvarnabhumi (BKK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 April 2026.

Round-trip from

£247

One-way from

£133

Popular in

April

Cheapest in

July

Average price

£299

Good round-trip deal

£212 or less

Good one-way deal

£616 or less
Nepal Airlines
  • Nepal Airlines
  • 8/5-15/5
  • Nonstop
  • 6h 50m total
  • Kathmandu to Bangkok
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Nepal Airlines
  • Nepal Airlines
  • 12/6
  • Nonstop
  • 3h 20m total
  • Kathmandu to Bangkok
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£29 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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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.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Kathmandu to Suvarnabhumi 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, Cheapflights users made 858,174 searches. Data last updated 1 April 2026.
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
Fastest return journey

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 8/5

21:10-07:40

1 stop9h 15m

Bangkok Suvarnabhumi

Fri 15/5

16:45-19:00

Nonstop3h 30m

£334

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 26/8

22:50-17:50

1 stop17h 45m

Bangkok Suvarnabhumi

Sun 30/8

18:30-21:30

1 stop28h 15m

£397

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 29/6

22:45-13:25

1 stop13h 25m

Bangkok Suvarnabhumi

Fri 3/7

19:45-12:00

1 stop17h 30m

£400

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 27/8

22:45-10:15

1 stop10h 15m

Bangkok Suvarnabhumi

Tue 29/9

14:15-21:45

1 stop8h 45m

£403

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 22/8

13:00-23:05

1 stop8h 50m

Bangkok Suvarnabhumi

Thu 1/10

11:05-21:45

1 stop11h 55m

£455

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 16/5

16:35-01:35

2 stops31h 45m

Bangkok Suvarnabhumi

Fri 22/5

02:35-15:35

2 stops38h 15m

£517

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 9/5

16:35-01:35

2 stops31h 45m

Bangkok Suvarnabhumi

Sat 16/5

09:50-15:35

3 stops31h 00m

£544

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 9/8

16:35-19:50

1 stop26h 00m

Bangkok Suvarnabhumi

Thu 20/8

02:35-15:35

2 stops38h 15m

£554
Cheapest one-way

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 17/5

16:35-21:55

3 stops52h 05m

£262
Fastest single journey

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 10/6

08:45-07:50

1 stop21h 50m

£287

Flights are sorted by cheapest return flights first.

Deals found on 30/3

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 return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a return flight from Kathmandu to Suvarnabhumi. Price data was last updated on 13 March 2026.

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kathmandu to Bangkok Suvarnabhumi Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of £91). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in May is currently the most expensive (average of £174). 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?

Find hourly flight availability from Kathmandu to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 April 2026.

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?

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Suvarnabhumi. Reviews last updated 1 April 2026.
See what other customers who have flown with Thai Airways,Thai AirAsia, andThai Lion Air 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
7.8
Good
395 reviews
Check prices

Boarding

7.9

Comfort

7.6

Entertainment

6.9

Overall

7.8

Food

7.4

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Airways
7.8
Good
395 reviews
Thai Airways
7.8
Good
395 reviews
Check prices

Boarding

7.9

Comfort

7.6

Entertainment

6.9

Overall

7.8

Food

7.4

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai AirAsia
7.4
Good
238 reviews
Thai Airways
7.8
Good
395 reviews
Check prices

Boarding

7.9

Comfort

7.6

Entertainment

6.9

Overall

7.8

Food

7.4

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Lion Air
7.1
Good
43 reviews
Thai Airways
7.8
Good
395 reviews
Check prices

Boarding

7.9

Comfort

7.6

Entertainment

6.9

Overall

7.8

Food

7.4

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Suvarnabhumi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Kathmandu Tribhuvan (KTM), located 2.5 mi from the city center, is the airport you fly out of when you book flights from Kathmandu to Bangkok Suvarnabhumi. 4 airlines have flights from Tribhuvan to Bangkok Suvarnabhumi on a regular basis. Booking flights from Kathmandu Tribhuvan to Bangkok Suvarnabhumi should not be difficult; the airport handles an average of 2 outbound flights to Bangkok Suvarnabhumi per day.

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

    A quick flight from Kathmandu to Bangkok Suvarnabhumi Airport can take about 13h 25m. Singapore Airlines provides one of the quickest options available for as low as £400. Kathmandu and Bangkok Suvarnabhumi Airport are separated by a distance of 1384 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    According to our current data, Thai AirAsia (£91), Thai Lion Air (£149), and Nepal Airlines (£207) offers the cheapest pricing from Kathmandu to Bangkok Suvarnabhumi Airport. Thai AirAsia is priced at 58% 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?

    To fly one-way, consider booking your trip with Thai Lion Air, which is currently one of the cheapest options available, starting at £85. Thai AirAsia flights start at £85 while deals on Nepal Airlines start at £138 one-way.

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

    Looking at all options, your cheapest flight can be booked for £207. While the most popular route (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) can be booked for £278 on average, our data indicates £580 when flying from Kathmandu to Bangkok Suvarnabhumi Airport.

  • 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, February is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of £91). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in May is currently the most expensive (average of £174). 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
Cha-am
Kanchanaburi
Pak Chong
Chonburi
Ayutthaya
Ko Samet
Sattahip
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Kathmandu to Suvarnabhumi

Discover the top 4 airlines that operate flights from Kathmandu to Suvarnabhumi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest£91Average£187FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest£149Average£183FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Nepal AirlinesCheapest£207Average£246FlexibilityNo cancel feeOn-timeN/A
Search Nepal Airlines flights
Thai AirwaysCheapest£230Average£266FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Kathmandu to Suvarnabhumi.

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?

Yes! Start tracking prices for Kathmandu to Suvarnabhumi flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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