Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from $285

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
7 Aug — 14 Aug1
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 8 July 2026.

Mon 24/814:40
BKK
-
KTM
2 stops17h 10m
Multiple Airlines
Mon 31/813:15
KTM
-
BKK
1 stop15h 45m
Multiple Airlines
Deal found 7/7$510
Mon 3/814:40
BKK
-
KTM
2 stops17h 10m
Multiple Airlines
Mon 10/813:15
KTM
-
BKK
1 stop22h 15m
Multiple Airlines
Deal found 6/7$543
Mon 13/716:45
BKK
-
KTM
Nonstop3h 30m
Nepal Airlines
Mon 20/711:10
KTM
-
BKK
Nonstop3h 20m
Nepal Airlines
Deal found 8/7$585
Mon 24/816:45
BKK
-
KTM
Nonstop3h 30m
Nepal Airlines
Mon 31/811:10
KTM
-
BKK
Nonstop3h 20m
Nepal Airlines
Deal found 7/7$604
Mon 3/816:45
BKK
-
KTM
Nonstop3h 30m
Nepal Airlines
Mon 10/811:10
KTM
-
BKK
Nonstop3h 20m
Nepal Airlines
Deal found 6/7$605
Mon 3/821:15
BKK
-
KTM
Nonstop3h 25m
Thai Airways
Sun 9/800:25
KTM
-
BKK
Nonstop3h 30m
Thai Airways
Deal found 6/7$624
Tue 4/810:15
BKK
-
KTM
Nonstop3h 25m
Thai Airways
Mon 10/800:25
KTM
-
BKK
Nonstop3h 30m
Thai Airways
Deal found 6/7$625

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 8 July 2026.

Round-trip from

$510

One-way from

$279

Popular in

July

Cheapest in

January

Average price

$660

Good one-way deal

$354 or less
SriLankan Airlines
  • SriLankan Airlines
  • 24/8-31/8
  • 3 total stops
  • 32h 55m total
  • Bangkok to Kathmandu
Search Deals
Air India
  • Air India
  • 12/8
  • 2 total stops
  • 17h 10m total
  • Bangkok to Kathmandu
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($162 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way 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 8 July 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 3/8

14:40-06:35

2 stops17h 10m

Kathmandu Tribhuvan

Mon 10/8

13:15-12:45

1 stop22h 15m

$543

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 1/8

05:05-15:35

3 stops35h 45m

Kathmandu Tribhuvan

Sat 8/8

16:35-01:15

2 stops31h 25m

$939

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 31/7

03:00-15:35

2 stops37h 50m

Kathmandu Tribhuvan

Sun 9/8

16:35-01:15

2 stops31h 25m

$941
Fastest return journey

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 20/9

06:00-21:45

1 stop17h 00m

Kathmandu Tribhuvan

Sat 26/9

13:00-23:05

1 stop8h 50m

$948

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 4/8

16:50-15:35

3 stops48h 00m

Kathmandu Tribhuvan

Tue 11/8

16:35-01:15

2 stops31h 25m

$970

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 24/9

19:45-21:45

1 stop27h 15m

Kathmandu Tribhuvan

Mon 19/10

22:45-10:15

1 stop10h 15m

$1,031

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 27/10

21:05-16:00

1 stop20h 10m

Kathmandu Tribhuvan

Wed 4/11

17:00-02:05

2 stops31h 50m

$1,047

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 26/10

21:05-16:00

1 stop20h 10m

Kathmandu Tribhuvan

Thu 5/11

17:00-22:35

1 stop28h 20m

$1,057

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 5/11

15:55-16:00

1 stop25h 20m

Kathmandu Tribhuvan

Sun 8/11

17:00-02:05

2 stops31h 50m

$1,070

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 3/11

07:50-16:00

1 stop9h 25m

Kathmandu Tribhuvan

Fri 13/11

17:00-14:55

1 stop20h 40m

$1,079

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 21 resultsSorted by cheapest first
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?

The best time to book flights from Bangkok Suvarnabhumi Airport to Kathmandu is 89 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, January is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of $353). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in July is currently the most expensive (average of $660). 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 8 July 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.

How much does it cost for a return flight from Bangkok Suvarnabhumi Airport to Kathmandu?

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 8 July 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
7.9
Good
409 reviews
Check prices

Entertainment

6.9

Food

7.4

Boarding

7.9

Comfort

7.7

Overall

7.9

Crew

8.4

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
7.9
Good
409 reviews
Thai Airways
7.9
Good
409 reviews
Check prices

Entertainment

6.9

Food

7.4

Boarding

7.9

Comfort

7.7

Overall

7.9

Crew

8.4

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
7.4
Good
243 reviews
Thai Airways
7.9
Good
409 reviews
Check prices

Entertainment

6.9

Food

7.4

Boarding

7.9

Comfort

7.7

Overall

7.9

Crew

8.4

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
7.1
Good
45 reviews
Thai Airways
7.9
Good
409 reviews
Check prices

Entertainment

6.9

Food

7.4

Boarding

7.9

Comfort

7.7

Overall

7.9

Crew

8.4

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. Airlines will cover a distance of 2227 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 $164. Other airlines that can offer you cheap pricing are Thai AirAsia, from $179, and Thai Airways, from $209. These flights start at 63% 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 $114. Thai Lion Air flights start at $124 while deals on Nepal Airlines start at $259 one-way.

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

    On average you can expect to pay $379 for a flight from Bangkok Suvarnabhumi Airport to Kathmandu. The cheapest flight overall is $255 while the most popular route, (Bangkok Suvarnabhumi - Kathmandu Tribhuvan) is currently priced at $524.

  • 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, January is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Kathmandu (average of $353). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in July is currently the most expensive (average of $660). 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 8 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai Lion AirCheapest$164Average$397FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air flights
Thai AirAsiaCheapest$179Average$386FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai AirwaysCheapest$209Average$654FlexibilityNo 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.