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Cheap flights from Kathmandu to Bangkok Suvarnabhumi Airport from £118

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
24 Aug — 31 Aug1
1 adult

Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Bangkok Suvarnabhumi are usually found in July or June, booked 75 days in advance, depart on a Monday or Friday 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 19 August 2025.

Round-trip from

£222

One-way from

£118

Popular in

April

Cheapest in

July

Average price

£209

Good round-trip deal

£246 or less

Good one-way deal

£243 or less
Air India
  • Air India
  • 10/9-11/9
  • 2 total stops
  • 28h 05m total
  • Kathmandu to Bangkok
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Nepal Airlines
  • Nepal Airlines
  • 25/8
  • Nonstop
  • 3h 20m total
  • Kathmandu to Bangkok
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Highest demand for flights based on searches. 8% potential increase in price (£14 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in August 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 19 August 2025.

Mon 25/811:10KTM - BKK
Nonstop3h 20mNepal Airlines
Mon 1/916:45BKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 18/8£211
Wed 10/921:00KTM - BKK
1 stop18h 40mAir India
Thu 11/922:25BKK - KTM
1 stop9h 25mAir India
Deal found 17/8£222
Mon 25/810:05KTM - BKK
1 stop9h 05mAir India
Mon 1/908:40BKK - KTM
1 stop12h 40mAir India
Deal found 18/8£237
Thu 2/1023:30KTM - BKK
Nonstop3h 30mThai Airways
Thu 9/1020:20BKK - KTM
Nonstop3h 25mThai Airways
Deal found 18/8£239
Mon 25/811:10KTM - BKK
Nonstop3h 20mMultiple Airlines
Sun 31/803:00BKK - KTM
1 stop10h 05mMultiple Airlines
Deal found 18/8£253
Fri 19/911:10KTM - BKK
Nonstop3h 20mNepal Airlines
Wed 24/916:45BKK - KTM
Nonstop3h 30mNepal Airlines
Deal found 18/8£254
Wed 17/923:30KTM - BKK
Nonstop3h 30mThai Airways
Wed 24/920:20BKK - KTM
Nonstop3h 25mThai Airways
Deal found 17/8£264
Wed 10/913:30KTM - BKK
Nonstop3h 30mMultiple Airlines
Wed 10/903:00BKK - KTM
1 stop10h 05mMultiple Airlines
Deal found 17/8£273
Thu 2/1007:35KTM - BKK
1 stop11h 35mAir India
Thu 9/1008:40BKK - KTM
1 stop12h 40mAir India
Deal found 18/8£280

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 19 August 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 10/9

21:00-16:55

1 stop18h 40m

Bangkok Suvarnabhumi

Thu 11/9

22:25-06:35

1 stop9h 25m

£222

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 2/10

23:30-04:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Thu 9/10

20:20-22:30

Nonstop3h 25m

£239

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 10/9

23:30-04:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Thu 11/9

10:15-12:25

Nonstop3h 25m

£239

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 19/9

11:10-15:45

Nonstop3h 20m

Bangkok Suvarnabhumi

Wed 24/9

16:45-19:00

Nonstop3h 30m

£254

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 17/9

23:30-04:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Wed 24/9

20:20-22:30

Nonstop3h 25m

£264

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 8/2

00:25-05:10

Nonstop3h 30m

Bangkok Suvarnabhumi

Sun 15/2

10:15-12:25

Nonstop3h 25m

£267

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 9/2

12:50-06:20

1 stop16h 15m

Bangkok Suvarnabhumi

Sun 15/2

13:55-11:50

1 stop23h 10m

£269

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 10/9

13:30-18:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Wed 10/9

03:00-11:50

1 stop10h 05m

£273

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Thu 2/10

07:35-20:25

1 stop11h 35m

Bangkok Suvarnabhumi

Thu 9/10

08:40-20:05

1 stop12h 40m

£280

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 24/10

06:30-20:25

1 stop12h 40m

Bangkok Suvarnabhumi

Thu 30/10

08:40-20:05

1 stop12h 40m

£284

Flights are sorted by cheapest return flights first.

Deals found on 18/8

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 8 August 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 19 August 2025.

It’s typically best to fly out from Kathmandu to Bangkok Suvarnabhumi Airport in the afternoon. Doing so could potentially save you 52% 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 17 August 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. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 19 August 2025.
See what other customers who have flown with Thai Airways and Thai AirAsia 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
344 reviews
Check prices

Boarding

7.9

Overall

7.8

Crew

8.3

Food

7.3

Comfort

7.5

Entertainment

6.9

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai Airways
7.8
Good
344 reviews
Thai Airways
7.8
Good
344 reviews
Check prices

Boarding

7.9

Overall

7.8

Crew

8.3

Food

7.3

Comfort

7.5

Entertainment

6.9

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai AirAsia
7.5
Good
216 reviews
Thai Airways
7.8
Good
344 reviews
Check prices

Boarding

7.9

Overall

7.8

Crew

8.3

Food

7.3

Comfort

7.5

Entertainment

6.9

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

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 3h 20m. Air India provides one of the quickest options available for as low as £254. 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 (£127), Thai Lion Air (£160), and Nepal Airlines (£172) offers the cheapest pricing from Kathmandu to Bangkok Suvarnabhumi Airport. Thai AirAsia is priced at 44% lower than the current average price of a flight leaving 3 months from now.

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

    Looking at all options, your cheapest flight can be booked for £142. While the most popular route (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) can be booked for £197 on average our data indicates £320 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 Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Cha-am
Chonburi
Ayutthaya
Ko Samet
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 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest£127Average£194FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest£160Average£257FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Nepal AirlinesCheapest£172Average£284FlexibilityNo cancel feeOn-timeN/A
Search Nepal Airlines flights
Thai AirwaysCheapest£223Average£308FlexibilityNo 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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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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