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Cheap flights from Kathmandu to Bangkok Suvarnabhumi Airport from £149

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
9 Jul — 16 Jul1
1 adult

Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Bangkok Suvarnabhumi are usually found in June or February, booked 75 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap 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 4 July 2025.

Round-trip from

£222

One-way from

£149

Popular in

April

Cheapest in

June

Average price

£237

Good round-trip deal

£253 or less

Good one-way deal

£232 or less
SriLankan Airlines
  • SriLankan Airlines
  • 23/7-27/7
  • 2 total stops
  • 45h 10m total
  • Kathmandu to Bangkok
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SriLankan Airlines
  • SriLankan Airlines
  • 23/10
  • 1 total stop
  • 22h 25m total
  • Kathmandu to Bangkok
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Highest demand for flights based on searches. 2% potential increase in price (£5 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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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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Find flight deals from Kathmandu to Suvarnabhumi

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 4 July 2025.

Fri 4/711:10KTM - BKK
Nonstop3h 20mNepal Airlines
Fri 11/716:45BKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 3/7£198
Wed 23/713:35KTM - BKK
1 stop15h 25mSriLankan Airlines
Sun 27/707:45BKK - KTM
1 stop29h 45mSriLankan Airlines
Deal found 2/7£222
Mon 18/813:15KTM - BKK
1 stop15h 45mMultiple Airlines
Mon 25/817:10BKK - KTM
1 stop17h 55mMultiple Airlines
Deal found 4/7£227
Sat 16/813:30KTM - BKK
Nonstop3h 30mThai Airways
Sat 23/810:15BKK - KTM
Nonstop3h 25mThai Airways
Deal found 2/7£251
Sat 16/814:00KTM - BKK
1 stop24h 55mIndiGo
Sat 23/817:10BKK - KTM
1 stop17h 55mIndiGo
Deal found 2/7£273
Sat 16/814:00KTM - BKK
2 stops47h 35mAir India
Sat 23/815:50BKK - KTM
2 stops16h 00mAir India
Deal found 2/7£295
Wed 1/1016:00KTM - BKK
1 stop21h 45mBiman Bangladesh
Fri 17/1016:15BKK - KTM
1 stop23h 00mBiman Bangladesh
Deal found 3/7£319

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 4 July 2025.
Use the filters below to find and compare flights from Kathmandu to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Kathmandu

Fly to

Suvarnabhumi

Route

Depart

Return

Price

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 23/7

13:35-06:15

1 stop15h 25m

Bangkok Suvarnabhumi

Sun 27/7

07:45-12:15

1 stop29h 45m

£222

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 16/8

13:30-18:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Sat 23/8

10:15-12:25

Nonstop3h 25m

£251

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 8/9

13:15-12:55

1 stop22h 25m

Bangkok Suvarnabhumi

Fri 12/9

19:00-11:50

1 stop18h 05m

£256

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 16/8

14:00-16:10

1 stop24h 55m

Bangkok Suvarnabhumi

Sat 23/8

17:10-09:50

1 stop17h 55m

£273

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 16/8

14:00-14:50

2 stops47h 35m

Bangkok Suvarnabhumi

Sat 23/8

15:50-06:35

2 stops16h 00m

£295

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 1/10

16:00-15:00

1 stop21h 45m

Bangkok Suvarnabhumi

Fri 17/10

16:15-14:00

1 stop23h 00m

£319

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 28/7

22:45-17:20

1 stop17h 20m

Bangkok Suvarnabhumi

Thu 31/7

19:40-12:00

1 stop17h 35m

£410

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 7/8

23:00-20:00

1 stop19h 45m

Bangkok Suvarnabhumi

Fri 15/8

00:25-21:45

1 stop22h 35m

£429

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 10/9

11:55-02:15

2 stops37h 05m

Bangkok Suvarnabhumi

Sun 14/9

18:20-10:55

1 stop17h 50m

£440

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 8/9

23:30-22:00

1 stop21h 15m

Bangkok Suvarnabhumi

Sun 14/9

13:45-11:50

1 stop23h 20m

£446

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 20 results
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 27 June 2025.

Booking 75 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, May is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of £717). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,123). 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 4 July 2025.

It’s typically best to fly out from Kathmandu to Bangkok Suvarnabhumi Airport in the afternoon. Doing so could potentially save you 53% on the flight price compared to flying at midday, which is usually more expensive.

What is the cheapest day to fly from Kathmandu to Bangkok Suvarnabhumi Airport?

Use this chart to determine the cheapest time to fly return from Kathmandu to Suvarnabhumi. Price data was last updated on 29 June 2025.

Travellers seeking maximum savings on their Kathmandu to Bangkok Suvarnabhumi Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Kathmandu to Bangkok Suvarnabhumi Airport

Explore weekly flight availability from Kathmandu to Suvarnabhumi. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.

The most flights from KTM to BKK are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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 4 July 2025.
See what other customers who have flown with Emirates, Singapore Airlines, andThai 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.
Emirates
8.1
Very Good
3,287 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
Emirates
8.1
Very Good
3,287 reviews
Emirates
8.1
Very Good
3,287 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
Singapore Airlines
8.1
Very Good
1,320 reviews
Emirates
8.1
Very Good
3,287 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
Thai Airways
7.7
Good
336 reviews
Emirates
8.1
Very Good
3,287 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
China Southern
7.6
Good
100 reviews
Emirates
8.1
Very Good
3,287 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
Malaysia Airlines
7.4
Good
266 reviews
Emirates
8.1
Very Good
3,287 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

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. 5 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.

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

    According to our current data, SriLankan Airlines (£222), Thai Airways (£251), and IndiGo (£273) offers the cheapest pricing from Kathmandu to Bangkok Suvarnabhumi Airport. SriLankan Airlines is priced at 7% 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 SriLankan Airlines, which is currently one of the cheapest options available, starting at £149. Air India flights start at £160 while deals on Thai Airways start at £178 one-way.

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

    Looking at all options, your cheapest flight can be booked for £175. While the most popular route (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) can be booked for £188 on average our data indicates £244 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, May is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of £717). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,123). 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 Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Cha-am
Ko Samet
Chonburi
Ayutthaya
Ko Lan

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Top 5 airlines flying from Kathmandu to Suvarnabhumi

Discover the top 5 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest£97Average£192FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest£170Average£247FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Nepal AirlinesCheapest£179Average£272FlexibilityNo cancel feeOn-timeN/A
Search Nepal Airlines flights
Thai AirwaysCheapest£221Average£301FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Biman BangladeshCheapest£247Average£266FlexibilityNo cancel feeOn-time45%
Search Biman Bangladesh flights

Fly with Cheapflights

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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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