Cheap flights from Kathmandu to Bangkok Suvarnabhumi Airport from £111

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Bangkok Suvarnabhumi are usually found in July or August, booked 84 days in advance, depart on a Sunday or Friday and return on a Monday

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 5 December 2025.

Tue 16/1221:05KTM - BKK
1 stop9h 30mAir India
Fri 26/1222:20BKK - KTM
1 stop9h 30mAir India
Deal found 3/12£295
Mon 15/1200:25KTM - BKK
Nonstop3h 30mThai Airways
Fri 26/1210:15BKK - KTM
Nonstop3h 25mThai Airways
Deal found 3/12£318
Tue 16/1210:50KTM - BKK
1 stop7h 45mMultiple Airlines
Fri 26/1216:45BKK - KTM
Nonstop3h 30mMultiple Airlines
Deal found 3/12£326
Sun 21/1222:30KTM - BKK
1 stop16h 20mMalaysia Airlines
Thu 25/1220:05BKK - KTM
1 stop17h 10mMalaysia Airlines
Deal found 4/12£402
Tue 16/1217:00KTM - BKK
2 stops23h 00mChina Eastern
Thu 25/1201:05BKK - KTM
2 stops16h 10mChina Eastern
Deal found 3/12£474
Fri 26/1212:20KTM - BKK
2 stops19h 45mMultiple Airlines
Thu 1/101:10BKK - KTM
2 stops16h 05mMultiple Airlines
Deal found 5/12£1,189
Wed 10/1215:35KTM - BKK
2 stops21h 15mMultiple Airlines
Wed 17/1211:40BKK - KTM
2 stops21h 55mMultiple Airlines
Deal found 4/12£1,431
Tue 30/1200:30KTM - BKK
2 stops23h 35mMultiple Airlines
Sun 4/110:05BKK - KTM
2 stops23h 30mMultiple Airlines
Deal found 4/12£1,683
Tue 9/1200:30KTM - BKK
2 stops34h 05mEmirates
Wed 17/1219:40BKK - KTM
2 stops20h 10mEmirates
Deal found 5/12£1,781
Sat 6/1200:30KTM - BKK
2 stops22h 20mEmirates
Mon 8/1208:00BKK - KTM
2 stops35h 55mEmirates
Deal found 3/12£1,848
Sun 21/1209:20KTM - BKK
2 stops32h 20mEmirates
Thu 25/1219:40BKK - KTM
2 stops37h 55mEmirates
Deal found 4/12£1,938

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 5 December 2025.

Round-trip from

£295

One-way from

£111

Popular in

April

Cheapest in

July

Average price

£238

Good round-trip deal

£213 or less

Good one-way deal

£200 or less
Air India
  • Air India
  • 16/12-26/12
  • 2 total stops
  • 19h 00m total
  • Kathmandu to Bangkok
SriLankan Airlines
  • SriLankan Airlines
  • 22/1
  • 1 total stop
  • 10h 55m total
  • Kathmandu to Bangkok
Highest demand for flights based on searches. 9% potential increase in price (£18 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi.
Price to beat on a one-way flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi.

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 5 December 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

Mon 15/12

00:25-05:10

Nonstop3h 30m

Bangkok Suvarnabhumi

Fri 26/12

10:15-12:25

Nonstop3h 25m

£318

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 16/12

10:50-19:50

1 stop7h 45m

Bangkok Suvarnabhumi

Fri 26/12

16:45-19:00

Nonstop3h 30m

£326

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 21/1

13:00-14:10

1 stop23h 55m

Bangkok Suvarnabhumi

Mon 26/1

08:45-21:30

1 stop14h 00m

£330

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 20/4

21:10-07:40

1 stop9h 15m

Bangkok Suvarnabhumi

Thu 30/4

15:15-23:00

1 stop9h 00m

£352

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 2/2

22:30-17:40

1 stop17h 55m

Bangkok Suvarnabhumi

Fri 6/2

18:40-12:00

1 stop18h 35m

£390

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Tue 27/1

23:00-17:25

1 stop17h 10m

Bangkok Suvarnabhumi

Sat 31/1

11:50-21:50

1 stop11h 15m

£396

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sun 21/12

22:30-16:05

1 stop16h 20m

Bangkok Suvarnabhumi

Thu 25/12

20:05-12:00

1 stop17h 10m

£402

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 16/3

22:30-17:40

1 stop17h 55m

Bangkok Suvarnabhumi

Fri 20/3

18:40-12:00

1 stop18h 35m

£414

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Mon 16/3

23:00-14:35

1 stop14h 20m

Bangkok Suvarnabhumi

Fri 20/3

22:55-21:50

1 stop24h 10m

£461

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 21/1

13:40-12:35

1 stop21h 40m

£119

Flights are sorted by cheapest return flights first.

Deals found on 3/12

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 28 November 2025.

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, August is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of £95). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in April is currently the most expensive (average of £160). 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 5 December 2025.

It’s typically best to fly out from Kathmandu to Bangkok Suvarnabhumi Airport in the afternoon. Doing so could potentially save you 45% on the flight price compared to flying in the evening, 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 November 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. Tuesday at midday 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 5 December 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.

Comfort

7.5

Crew

8.3

Boarding

7.9

Entertainment

6.9

Overall

7.8

Food

7.3

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.

Comfort

7.5

Crew

8.3

Boarding

7.9

Entertainment

6.9

Overall

7.8

Food

7.3

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.

Comfort

7.5

Crew

8.3

Boarding

7.9

Entertainment

6.9

Overall

7.8

Food

7.3

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 30m. Thai Airways provides one of the quickest options available for as low as £318. 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 Lion Air (£92), Thai AirAsia (£125), and Nepal Airlines (£174) offers the cheapest pricing from Kathmandu to Bangkok Suvarnabhumi Airport. Thai Lion Air is priced at 59% 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 AirAsia, which is currently one of the cheapest options available, starting at £77. Thai Lion Air flights start at £91 while deals on Nepal Airlines start at £142 one-way.

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

    Looking at all options, your cheapest flight can be booked for £164. While the most popular route (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) can be booked for £215 on average, our data indicates £312 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, August is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of £95). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in April is currently the most expensive (average of £160). 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
Pak Chong
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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest£131Average£192FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest£147Average£215FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Nepal AirlinesCheapest£212Average£260FlexibilityNo cancel feeOn-timeN/A
Search Nepal Airlines flights
Thai AirwaysCheapest£237Average£291FlexibilityNo 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?

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Can Cheapflights notify me if prices for flights from Kathmandu to Suvarnabhumi become cheaper?

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