Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from C$ 278

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
28 Aug — 4 Sep1
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 July 2026.

Mon 5/104:45 p.m.
BKK
-
KTM
Nonstop3h 30m
Nepal Airlines
Fri 30/1011:10 a.m.
KTM
-
BKK
Nonstop3h 20m
Nepal Airlines
Deal found 26/7C$ 646
Fri 9/104:45 p.m.
BKK
-
KTM
Nonstop3h 30m
Nepal Airlines
Mon 26/1011:10 a.m.
KTM
-
BKK
Nonstop3h 20m
Nepal Airlines
Deal found 26/7C$ 655
Sat 3/109:15 p.m.
BKK
-
KTM
Nonstop3h 25m
Thai Airways
Tue 27/1012:25 a.m.
KTM
-
BKK
Nonstop3h 30m
Thai Airways
Deal found 26/7C$ 690
Wed 7/108:15 p.m.
BKK
-
KTM
1 stop24h 50m
Multiple Airlines
Tue 27/105:10 p.m.
KTM
-
BKK
1 stop19h 45m
Multiple Airlines
Deal found 26/7C$ 701
Mon 5/104:45 p.m.
BKK
-
KTM
Nonstop3h 30m
Multiple Airlines
Fri 23/1012:25 a.m.
KTM
-
BKK
Nonstop3h 30m
Multiple Airlines
Deal found 26/7C$ 708
Wed 7/102:40 p.m.
BKK
-
KTM
2 stops19h 40m
Multiple Airlines
Tue 27/1012:25 a.m.
KTM
-
BKK
Nonstop3h 30m
Multiple Airlines
Deal found 26/7C$ 721
Fri 9/104:45 p.m.
BKK
-
KTM
Nonstop3h 30m
Multiple Airlines
Wed 28/1012:25 a.m.
KTM
-
BKK
Nonstop3h 30m
Multiple Airlines
Deal found 26/7C$ 725
Wed 28/101:50 p.m.
BKK
-
KTM
2 stops32h 05m
Air India
Wed 18/112:45 p.m.
KTM
-
BKK
2 stops27h 35m
Air India
Deal found 24/7C$ 728
Sat 3/109:15 p.m.
BKK
-
KTM
Nonstop3h 25m
Thai Airways
Sun 25/1012:25 a.m.
KTM
-
BKK
Nonstop3h 30m
Thai Airways
Deal found 26/7C$ 729
Tue 6/1011:55 a.m.
BKK
-
KTM
1 stop9h 10m
Multiple Airlines
Tue 27/105:10 p.m.
KTM
-
BKK
1 stop19h 45m
Multiple Airlines
Deal found 26/7C$ 734
Sat 3/109:15 p.m.
BKK
-
KTM
Nonstop3h 25m
Multiple Airlines
Tue 27/107:35 a.m.
KTM
-
BKK
1 stop9h 05m
Multiple Airlines
Deal found 26/7C$ 741

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 July 2026.

Round-trip from

C$ 646

One-way from

C$ 278

Popular in

July

Cheapest in

January

Average price

C$ 665
Nepal Airlines
  • Nepal Airlines
  • 5/10-30/10
  • Nonstop
  • 6h 50m total
  • Bangkok to Kathmandu
Search Deals
Air India
  • Air India
  • 25/8
  • 2 total stops
  • 17h 10m total
  • Bangkok to Kathmandu
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (C$ 226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 29 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 round-trip

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 28/10

1:50 p.m.-8:40 p.m.

2 stops32h 05m

Kathmandu Tribhuvan

Wed 18/11

2:45 p.m.-7:35 p.m.

2 stops27h 35m

C$ 728

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 24/10

6:00 a.m.-9:45 p.m.

1 stop17h 00m

Kathmandu Tribhuvan

Tue 3/11

10:45 p.m.-5:40 p.m.

1 stop17h 40m

C$ 876

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 25/8

4:50 p.m.-3:35 p.m.

3 stops48h 00m

Kathmandu Tribhuvan

Tue 1/9

4:35 p.m.-1:15 a.m.

2 stops31h 25m

C$ 938

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 1/11

6:40 p.m.-12:00 p.m.

1 stop18h 35m

Kathmandu Tribhuvan

Mon 2/11

10:45 p.m.-10:15 a.m.

1 stop10h 15m

C$ 942
Quickest round-trip

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Fri 23/10

2:15 p.m.-9:45 p.m.

1 stop8h 45m

Kathmandu Tribhuvan

Mon 9/11

10:45 p.m.-1:25 p.m.

1 stop13h 25m

C$ 971

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 13/9

7:10 p.m.-3:35 p.m.

3 stops45h 40m

Kathmandu Tribhuvan

Tue 13/10

4:35 p.m.-1:15 a.m.

2 stops31h 25m

C$ 1,005

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 14/9

5:05 a.m.-3:35 p.m.

3 stops35h 45m

Kathmandu Tribhuvan

Sun 27/9

4:35 p.m.-2:15 a.m.

3 stops32h 25m

C$ 1,040

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 28/10

4:50 p.m.-4:00 p.m.

3 stops48h 25m

Kathmandu Tribhuvan

Wed 18/11

5:00 p.m.-2:05 a.m.

2 stops31h 50m

C$ 1,062

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 21/11

3:10 a.m.-4:00 p.m.

2 stops38h 05m

Kathmandu Tribhuvan

Mon 7/12

5:00 p.m.-2:05 a.m.

2 stops31h 50m

C$ 1,065
Cheapest one-way

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 13/8

5:05 a.m.-3:35 p.m.

3 stops59h 45m

C$ 460

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/7

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 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 Bangkok Suvarnabhumi Airport to Kathmandu

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

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu. 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 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 C$ 343). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in July is currently the most expensive (average of C$ 665). 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 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 to fly round-trip from Bangkok Suvarnabhumi Airport to Kathmandu?

Airfare is above average for this route at the moment.

Bangkok Suvarnabhumi Airport to Kathmandu flights typically cost between C$ 354 and C$ 636 in October.
The cheapest round-trip price found within the last 5 days was C$ 646 on Nepal Airlines (5 Oct-30 Oct).

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 July 2026.
Read reviews from past customers who have flown Thai AirAsia and Thai Lion Air from Bangkok Suvarnabhumi Airport to Kathmandu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai AirAsia
7.4
Good
246 reviews
Check prices

Entertainment

5.5

Overall

7.4

Comfort

6.7

Crew

7.9

Food

6.2

Boarding

7.4

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move
Thai AirAsia
7.4
Good
246 reviews
Thai AirAsia
7.4
Good
246 reviews
Check prices

Entertainment

5.5

Overall

7.4

Comfort

6.7

Crew

7.9

Food

6.2

Boarding

7.4

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move
Thai Lion Air
7.0
Good
46 reviews
Thai AirAsia
7.4
Good
246 reviews
Check prices

Entertainment

5.5

Overall

7.4

Comfort

6.7

Crew

7.9

Food

6.2

Boarding

7.4

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move

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?

    Most people fly into Kathmandu Tribhuvan (KTM) if they book a flight to Kathmandu from Bangkok Suvarnabhumi. On average, Tribhuvan has 2 inbound flights from Bangkok Suvarnabhumi per day from 2 airlines. Kathmandu Tribhuvan is conveniently located just 4.1 km from Kathmandu’s city centre.

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

    For as low as C$ 876, Air India can have you in Kathmandu from Bangkok Suvarnabhumi Airport in 17h. Bangkok Suvarnabhumi Airport and Kathmandu are separated by a distance of 2227 km. 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 Bangkok Suvarnabhumi Airport to Kathmandu round-trip?

    Thai AirAsia, at C$ 88, was found to be the cheapest airline from Bangkok Suvarnabhumi Airport to Kathmandu. An alternate airline flying to your destination would be Thai Lion Air. You may be able to fly from Bangkok Suvarnabhumi Airport to Kathmandu for 80% less than the average price by searching for these airlines.

  • 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 vacation 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 C$ 343). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in July is currently the most expensive (average of C$ 665). 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

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 rental and/or hotel reservation to your travel itinerary.
Kathmandu car rentals
Kathmandu Tribhuvan Airport car rentals

Top 2 airlines flying from Suvarnabhumi to Kathmandu

Discover the top 2 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 629,999 searches. Data last updated 29 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapestC$ 88AverageC$ 278FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Lion AirCheapestC$ 269AverageC$ 374FlexibilityNo cancel feeOn-timeN/A
Search Thai Lion Air 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 Suvarnabhumi to Kathmandu?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Kathmandu from Suvarnabhumi today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Suvarnabhumi to Kathmandu for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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?

Of course! You can now track prices for flights from Suvarnabhumi to Kathmandu and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.