Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from $238

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Suvarnabhumi to Kathmandu

Enter your travel dates to find the best prices.

Cheapest flights from Suvarnabhumi to Kathmandu
Explore the most affordable flight options available from Suvarnabhumi to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.

Tue 24/213:50
BKK
-
KTM
2 stops25h 20m
Air India
Tue 3/317:30
KTM
-
BKK
2 stops18h 05m
Air India
Deal found 26/1$551
Tue 24/213:55
BKK
-
KTM
1 stop24h 00m
Multiple Airlines
Tue 3/310:05
KTM
-
BKK
1 stop9h 00m
Multiple Airlines
Deal found 26/1$581
Tue 24/221:15
BKK
-
KTM
Nonstop3h 25m
Thai Airways
Tue 3/313:30
KTM
-
BKK
Nonstop3h 30m
Thai Airways
Deal found 26/1$625
Sun 26/419:45
BKK
-
KTM
1 stop17h 30m
Malaysia Airlines
Mon 11/522:45
KTM
-
BKK
1 stop13h 25m
Malaysia Airlines
Deal found 28/1$824
Mon 10/814:15
BKK
-
KTM
1 stop8h 45m
Malaysia Airlines
Wed 12/813:00
KTM
-
BKK
1 stop8h 50m
Malaysia Airlines
Deal found 28/1$847
Wed 28/119:05
BKK
-
KTM
2 stops22h 10m
China Eastern
Mon 9/317:00
KTM
-
BKK
1 stop19h 50m
China Eastern
Deal found 28/1$864
Wed 28/119:05
BKK
-
KTM
2 stops22h 10m
China Eastern
Tue 10/317:00
KTM
-
BKK
2 stops31h 50m
China Eastern
Deal found 28/1$874
Sun 1/203:10
BKK
-
KTM
2 stops38h 05m
China Eastern
Sat 14/317:00
KTM
-
BKK
1 stop25h 55m
China Eastern
Deal found 28/1$888
Thu 12/300:55
BKK
-
KTM
2 stops16h 20m
China Eastern
Tue 31/315:35
KTM
-
BKK
1 stop27h 00m
China Eastern
Deal found 27/1$891
Wed 28/119:05
BKK
-
KTM
2 stops22h 10m
China Eastern
Sun 8/317:00
KTM
-
BKK
3 stops24h 10m
China Eastern
Deal found 28/1$892

Find flight deals from Suvarnabhumi to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Suvarnabhumi (BKK) to Kathmandu (KTM). 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

$551

One-way from

$238

Popular in

April

Cheapest in

January

Average price

$361

Good round-trip deal

$500 or less
Air India
  • Air India
  • 24/2-3/3
  • 4 total stops
  • 43h 25m total
  • Bangkok to Kathmandu
Search Deals
IndiGo
  • IndiGo
  • 3/2
  • 1 total stop
  • 24h 15m total
  • Bangkok to Kathmandu
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 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 Bangkok Suvarnabhumi to Kathmandu Tribhuvan.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Suvarnabhumi to Kathmandu 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 647,157 searches. Data last updated 29 January 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Kathmandu that are best for you.

Fly from

Suvarnabhumi

Fly to

Kathmandu

Route

Depart

Return

Price

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 26/4

19:45-12:00

1 stop17h 30m

Kathmandu Tribhuvan

Mon 11/5

22:45-13:25

1 stop13h 25m

$824

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 24/2

14:15-21:30

1 stop8h 30m

Kathmandu Tribhuvan

Mon 23/3

22:30-13:25

1 stop13h 40m

$937

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 24/2

14:15-21:30

1 stop8h 30m

Kathmandu Tribhuvan

Tue 24/3

22:30-10:15

1 stop10h 30m

$937

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 23/2

05:40-21:30

1 stop17h 05m

Kathmandu Tribhuvan

Mon 23/3

22:30-17:40

1 stop17h 55m

$937

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 9/2

07:50-16:00

1 stop9h 25m

Kathmandu Tribhuvan

Sun 15/2

17:00-14:55

1 stop20h 40m

$945

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 25/2

18:40-21:30

1 stop28h 05m

Kathmandu Tribhuvan

Sun 22/3

22:30-16:05

1 stop16h 20m

$945

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 23/2

05:40-21:30

1 stop17h 05m

Kathmandu Tribhuvan

Fri 27/3

22:30-16:05

1 stop16h 20m

$965

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 23/2

05:40-21:30

1 stop17h 05m

Kathmandu Tribhuvan

Thu 26/3

22:30-13:25

1 stop13h 40m

$1,015

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 24/2

14:15-21:30

1 stop8h 30m

Kathmandu Tribhuvan

Thu 26/3

22:30-16:05

1 stop16h 20m

$1,015

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 22/2

05:40-21:30

1 stop17h 05m

Kathmandu Tribhuvan

Mon 23/3

22:30-16:05

1 stop16h 20m

$1,027

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Suvarnabhumi to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Suvarnabhumi 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 Bangkok Suvarnabhumi Airport to Kathmandu

How far ahead should I book a flight from Bangkok Suvarnabhumi Airport to Kathmandu?

Use this chart to determine the optimal time to book a return flight from Suvarnabhumi to Kathmandu. Price data was last updated on 23 January 2026.

The best time to book flights from Bangkok Suvarnabhumi Airport to Kathmandu is 73 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 Bangkok Suvarnabhumi Airport to Kathmandu?

Currently, July is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of $174). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in October is currently the most expensive (average of $341). 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 BKK to KTM?

Find hourly flight availability from Suvarnabhumi to Kathmandu. 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.

When flying from Bangkok Suvarnabhumi Airport to Kathmandu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. 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 Kathmandu. Reviews last updated 29 January 2026.
Check out reviews from past customers who have flown with Thai Airways, Thai AirAsia, andThai Lion Air from Bangkok Suvarnabhumi Airport to Kathmandu to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
380 reviews
Check prices

Overall

7.8

Entertainment

6.8

Food

7.3

Comfort

7.6

Crew

8.3

Boarding

7.9

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

Overall

7.8

Entertainment

6.8

Food

7.3

Comfort

7.6

Crew

8.3

Boarding

7.9

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

Overall

7.8

Entertainment

6.8

Food

7.3

Comfort

7.6

Crew

8.3

Boarding

7.9

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

Overall

7.8

Entertainment

6.8

Food

7.3

Comfort

7.6

Crew

8.3

Boarding

7.9

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 Suvarnabhumi to Kathmandu. 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 into for flights to Kathmandu from Bangkok Suvarnabhumi?

    Located just 4.1 km from the city centre, Kathmandu Tribhuvan is the airport most travellers will use when flying to Kathmandu from Bangkok Suvarnabhumi. Booking flights from Bangkok Suvarnabhumi to Tribhuvan (KTM) should be relatively easy as there are 2 daily inbound flights from Bangkok Suvarnabhumi from 3 different airlines.

  • How long is the flight from Bangkok Suvarnabhumi Airport to Kathmandu?

    Departing from Bangkok Suvarnabhumi Airport to Kathmandu will take you 17h 30m. Airlines will cover a distance of 2227 km.

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

    Cheapflights users have booked flights from Bangkok Suvarnabhumi Airport to Kathmandu round-trip from $162. Other airlines that can offer you cheap pricing are Thai AirAsia, from $187, and Thai Airways, from $421. These flights start at 59% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Bangkok Suvarnabhumi Airport to Kathmandu one-way?

    To fly one-way, consider booking your trip with Thai AirAsia, which is currently one of the cheapest options available, starting at $121. Thai Lion Air flights start at $122 while deals on Thai Airways start at $322 one-way.

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

    On average you can expect to pay $652 for a flight from Bangkok Suvarnabhumi Airport to Kathmandu. The cheapest flight overall is $500 while the most popular route, (Bangkok Suvarnabhumi - Kathmandu Tribhuvan) is currently priced at $557.

  • Can I find deals for flights from Suvarnabhumi to Kathmandu that include hotel bookings?

    Yes. In addition to deals on Suvarnabhumi to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Suvarnabhumi to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Suvarnabhumi to Kathmandu.

  • Can I find deals for business class flights from Suvarnabhumi to Kathmandu?

    Yes. Cheapflights offers flight deals from Suvarnabhumi to Kathmandu 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 Bangkok Suvarnabhumi Airport to Kathmandu?

    Currently, July is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of $174). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in October is currently the most expensive (average of $341). 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
Nagarkot

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.

Complete your trip

Complete your trip to Kathmandu by adding a car hire and/or hotel booking to your travel itinerary.
Kathmandu car hire
Kathmandu Tribhuvan Airport car hire

Top 3 airlines flying from Suvarnabhumi to Kathmandu

Discover the top 3 airlines that operate flights from Suvarnabhumi to Kathmandu. 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 647,157 searches. Data last updated 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest$162Average$387FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirAsiaCheapest$187Average$360FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai AirwaysCheapest$421Average$648FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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

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

Cheapflights makes it easy to find Suvarnabhumi to Kathmandu flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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 Kathmandu from Suvarnabhumi.

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

Need flexible booking options for your flight to Kathmandu from Suvarnabhumi? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Suvarnabhumi to Kathmandu on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.