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Cheap flights from Kathmandu to Bangkok Suvarnabhumi Airport from £144

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
28 Feb — 7 Mar1
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 29 January 2026.

Thu 23/413:15
KTM
-
BKK
1 stop22h 15m
SriLankan Airlines
Sat 2/513:55
BKK
-
KTM
1 stop23h 35m
SriLankan Airlines
Deal found 28/1£188
Fri 6/211:10
KTM
-
BKK
Nonstop3h 20m
Nepal Airlines
Wed 11/216:45
BKK
-
KTM
Nonstop3h 30m
Nepal Airlines
Deal found 28/1£205
Wed 18/313:40
KTM
-
BKK
1 stop21h 40m
SriLankan Airlines
Sun 22/313:55
BKK
-
KTM
1 stop23h 10m
SriLankan Airlines
Deal found 28/1£207
Sun 15/313:30
KTM
-
BKK
Nonstop3h 30m
Thai Airways
Sun 22/310:15
BKK
-
KTM
Nonstop3h 25m
Thai Airways
Deal found 29/1£219
Fri 13/313:30
KTM
-
BKK
Nonstop3h 30m
Thai Airways
Sun 22/310:15
BKK
-
KTM
Nonstop3h 25m
Thai Airways
Deal found 28/1£221
Sat 28/213:30
KTM
-
BKK
Nonstop3h 30m
Thai Airways
Sat 7/321:15
BKK
-
KTM
Nonstop3h 25m
Thai Airways
Deal found 28/1£223
Tue 17/300:25
KTM
-
BKK
Nonstop3h 30m
Thai Airways
Sun 22/321:15
BKK
-
KTM
Nonstop3h 25m
Thai Airways
Deal found 28/1£223
Sun 15/312:50
KTM
-
BKK
1 stop22h 30m
SriLankan Airlines
Sun 22/313:55
BKK
-
KTM
1 stop23h 10m
SriLankan Airlines
Deal found 29/1£228
Wed 22/400:25
KTM
-
BKK
Nonstop3h 30m
Thai Airways
Sat 2/521:15
BKK
-
KTM
Nonstop3h 25m
Thai Airways
Deal found 28/1£228
Fri 13/311:10
KTM
-
BKK
Nonstop3h 20m
Multiple Airlines
Sun 22/319:55
BKK
-
KTM
1 stop16h 50m
Multiple Airlines
Deal found 28/1£263
Fri 13/307:35
KTM
-
BKK
1 stop8h 05m
Air India
Sun 22/317:55
BKK
-
KTM
1 stop13h 55m
Air India
Deal found 28/1£264
Fri 6/221:05
KTM
-
BKK
1 stop9h 30m
Air India
Wed 11/208:50
BKK
-
KTM
1 stop8h 55m
Air India
Deal found 28/1£273

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 29 January 2026.

Round-trip from

£188

One-way from

£144

Popular in

April

Cheapest in

July

Average price

£215

Good round-trip deal

£253 or less

Good one-way deal

£172 or less
SriLankan Airlines
  • SriLankan Airlines
  • 23/4-2/5
  • 2 total stops
  • 45h 50m total
  • Kathmandu to Bangkok
Search Deals
Malaysia Airlines
  • Malaysia Airlines
  • 22/6
  • 1 total stop
  • 17h 20m total
  • Kathmandu to Bangkok
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
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.
Search Deals

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 29 January 2026.
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 18/3

13:40-12:35

1 stop21h 40m

Bangkok Suvarnabhumi

Sun 22/3

13:55-11:50

1 stop23h 10m

£207

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 13/3

13:30-18:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Sun 22/3

10:15-12:25

Nonstop3h 25m

£221

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 28/2

13:30-18:15

Nonstop3h 30m

Bangkok Suvarnabhumi

Sat 7/3

21:15-23:25

Nonstop3h 25m

£223

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 3/4

11:10-15:45

Nonstop3h 20m

Bangkok Suvarnabhumi

Mon 6/4

16:45-19:00

Nonstop3h 30m

£223

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 22/4

00:25-05:10

Nonstop3h 30m

Bangkok Suvarnabhumi

Sat 2/5

21:15-23:25

Nonstop3h 25m

£228

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 13/3

11:10-15:45

Nonstop3h 20m

Bangkok Suvarnabhumi

Sun 22/3

19:55-11:30

1 stop16h 50m

£263

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 3/4

06:30-16:55

1 stop9h 10m

Bangkok Suvarnabhumi

Mon 6/4

17:55-06:35

1 stop13h 55m

£263

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Fri 13/3

07:35-16:55

1 stop8h 05m

Bangkok Suvarnabhumi

Sun 22/3

17:55-06:35

1 stop13h 55m

£264

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Sat 28/2

07:35-20:20

1 stop11h 30m

Bangkok Suvarnabhumi

Sat 7/3

08:50-06:35

1 stop23h 00m

£276

KathmanduBangkok

KTM - BKK

KTMBKK

Kathmandu Tribhuvan

Wed 18/3

11:10-15:45

Nonstop3h 20m

Bangkok Suvarnabhumi

Sat 21/3

02:10-11:30

1 stop10h 35m

£282

Flights are sorted by cheapest return flights first.

Deals found on 28/1

Showing 1-10 of 22 results
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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 23 January 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, August is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of £92). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in April is currently the most expensive (average of £157). 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 29 January 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.

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 29 January 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
380 reviews
Check prices

Crew

8.3

Comfort

7.6

Entertainment

6.8

Boarding

7.9

Food

7.3

Overall

7.8

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
380 reviews
Thai Airways
7.8
Good
380 reviews
Check prices

Crew

8.3

Comfort

7.6

Entertainment

6.8

Boarding

7.9

Food

7.3

Overall

7.8

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
7.5
Good
231 reviews
Thai Airways
7.8
Good
380 reviews
Check prices

Crew

8.3

Comfort

7.6

Entertainment

6.8

Boarding

7.9

Food

7.3

Overall

7.8

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
7.0
Good
39 reviews
Thai Airways
7.8
Good
380 reviews
Check prices

Crew

8.3

Comfort

7.6

Entertainment

6.8

Boarding

7.9

Food

7.3

Overall

7.8

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 1 outbound flight 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. SriLankan Airlines provides one of the quickest options available for as low as £223. 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 (£126), Thai Lion Air (£142), and Nepal Airlines (£205) offers the cheapest pricing from Kathmandu to Bangkok Suvarnabhumi Airport. Thai AirAsia is priced at 39% 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 £75. Thai Lion Air flights start at £83 while deals on Nepal Airlines start at £132 one-way.

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

    Looking at all options, your cheapest flight can be booked for £157. While the most popular route (Kathmandu Tribhuvan - Bangkok Suvarnabhumi) can be booked for £163 on average, our data indicates £498 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 £92). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in April is currently the most expensive (average of £157). 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
Chonburi
Ko Samet
Pak Chong
Ayutthaya
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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest£126Average£185FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapest£142Average£177FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Nepal AirlinesCheapest£205Average£246FlexibilityNo cancel feeOn-timeN/A
Search Nepal Airlines flights
Thai AirwaysCheapest£240Average£275FlexibilityNo 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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