Find flights
When to book
Airlines
FAQs

Cheap flights from Kathmandu to Bangkok Suvarnabhumi Airport

KTM — BKK
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Kathmandu Tribhuvan to Bangkok Suvarnabhumi are usually found in July or June, booked 84 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 11 September 2025.

Popular in

April

Cheapest in

July

Average price

C$ 484

Good one-way deal

C$ 536 or less
Highest demand for flights based on searches. 8% potential increase in price (C$ 55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a one-way flight from Kathmandu Tribhuvan to Bangkok Suvarnabhumi.
Search Deals

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 round-trip 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 round-trip flight from Kathmandu to Suvarnabhumi. Price data was last updated on 29 August 2025.

The best time to book flights from Kathmandu to Bangkok Suvarnabhumi Airport is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of C$ 917). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of C$ 1,387). 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 11 September 2025.

When flying from Kathmandu to Bangkok Suvarnabhumi Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 60% versus a flight in the evening.

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 11 September 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
350 reviews
Check prices

Boarding

7.9

Crew

8.3

Entertainment

6.9

Overall

7.8

Comfort

7.5

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.
Thai Airways
7.8
Good
350 reviews
Thai Airways
7.8
Good
350 reviews
Check prices

Boarding

7.9

Crew

8.3

Entertainment

6.9

Overall

7.8

Comfort

7.5

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.
Thai AirAsia
7.5
Good
216 reviews
Thai Airways
7.8
Good
350 reviews
Check prices

Boarding

7.9

Crew

8.3

Entertainment

6.9

Overall

7.8

Comfort

7.5

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) is the airport you will fly out of if you book a flight from Kathmandu to Bangkok Suvarnabhumi. You should not have trouble finding flights to Bangkok Suvarnabhumi from Tribhuvan; the airport handles an average of 2 outbound flights to Bangkok Suvarnabhumi per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Kathmandu airport to Bangkok Suvarnabhumi. It is only a 4.1 km journey to Tribhuvan (KTM) from Kathmandu’s city centre.

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

    Currently priced at C$ 251, Thai AirAsia will fly you from Kathmandu to Bangkok Suvarnabhumi Airport and back. In addition to Thai AirAsia, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Thai Lion Air and Thai Airways - these airlines can fly you to your destination from C$ 327 and C$ 520, respectively. Thai AirAsia is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • 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 vacation 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, September is the cheapest month in which you can book a flight from Kathmandu to Bangkok Suvarnabhumi Airport (average of C$ 917). Flying from Kathmandu to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of C$ 1,387). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Kathmandu to Suvarnabhumi

Discover the top 3 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapestC$ 251AverageC$ 386FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapestC$ 327AverageC$ 416FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirwaysCheapestC$ 520AverageC$ 598FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Kathmandu to Suvarnabhumi. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Suvarnabhumi from Kathmandu.

Can Cheapflights find flights from Kathmandu to Suvarnabhumi with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Kathmandu to Suvarnabhumi flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.