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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from C$ 326

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — KTM
9 Jul — 16 Jul1
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 9 June 2026.

Thu 9/77:55 p.m.
BKK
-
KTM
1 stop16h 50m
Multiple Airlines
Sun 19/71:15 p.m.
KTM
-
BKK
1 stop22h 15m
Multiple Airlines
Deal found 9/6C$ 583
Fri 10/74:45 p.m.
BKK
-
KTM
Nonstop3h 30m
Nepal Airlines
Mon 20/711:10 a.m.
KTM
-
BKK
Nonstop3h 20m
Nepal Airlines
Deal found 9/6C$ 607
Fri 10/74:45 p.m.
BKK
-
KTM
Nonstop3h 30m
Multiple Airlines
Sun 19/71:15 p.m.
KTM
-
BKK
1 stop22h 15m
Multiple Airlines
Deal found 9/6C$ 609
Mon 6/74:45 p.m.
BKK
-
KTM
Nonstop3h 30m
Nepal Airlines
Mon 13/711:10 a.m.
KTM
-
BKK
Nonstop3h 20m
Nepal Airlines
Deal found 8/6C$ 611
Mon 6/77:55 p.m.
BKK
-
KTM
1 stop27h 50m
Multiple Airlines
Sun 12/712:25 a.m.
KTM
-
BKK
Nonstop3h 30m
Multiple Airlines
Deal found 8/6C$ 614
Thu 9/73:10 p.m.
BKK
-
KTM
1 stop8h 35m
Multiple Airlines
Tue 21/76:30 a.m.
KTM
-
BKK
1 stop12h 40m
Multiple Airlines
Deal found 9/6C$ 630
Fri 10/73:10 p.m.
BKK
-
KTM
1 stop8h 35m
Multiple Airlines
Mon 20/76:30 a.m.
KTM
-
BKK
1 stop22h 45m
Multiple Airlines
Deal found 9/6C$ 636
Sat 11/72:40 p.m.
BKK
-
KTM
2 stops27h 05m
Air India
Mon 20/77:35 a.m.
KTM
-
BKK
1 stop21h 40m
Air India
Deal found 9/6C$ 655
Fri 10/74:45 p.m.
BKK
-
KTM
Nonstop3h 30m
Multiple Airlines
Tue 21/76:30 a.m.
KTM
-
BKK
1 stop12h 40m
Multiple Airlines
Deal found 9/6C$ 658
Sat 11/710:25 p.m.
BKK
-
KTM
1 stop9h 25m
Air India
Tue 21/76:30 a.m.
KTM
-
BKK
1 stop12h 40m
Air India
Deal found 9/6C$ 661

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 9 June 2026.

Round-trip from

C$ 583

One-way from

C$ 326

Popular in

June

Cheapest in

January

Average price

C$ 530
SriLankan Airlines
  • SriLankan Airlines
  • 9/7-19/7
  • 2 total stops
  • 39h 05m total
  • Bangkok to Kathmandu
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Malaysia Airlines
  • Malaysia Airlines
  • 17/8
  • 1 total stop
  • 8h 45m total
  • Bangkok to Kathmandu
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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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 9 June 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

Fri 10/7

2:10 a.m.-3:35 p.m.

3 stops38h 40m

Kathmandu Tribhuvan

Sun 19/7

4:35 p.m.-6:05 p.m.

2 stops24h 15m

C$ 994

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Tue 21/7

11:50 a.m.-3:35 p.m.

3 stops53h 00m

Kathmandu Tribhuvan

Tue 28/7

4:35 p.m.-4:05 a.m.

3 stops34h 15m

C$ 1,014

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 2/8

9:55 p.m.-3:35 p.m.

3 stops42h 55m

Kathmandu Tribhuvan

Tue 25/8

4:35 p.m.-8:55 p.m.

3 stops27h 05m

C$ 1,032

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 16/11

1:55 a.m.-4:00 p.m.

3 stops39h 20m

Kathmandu Tribhuvan

Tue 24/11

5:00 p.m.-10:35 p.m.

1 stop28h 20m

C$ 1,042

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Mon 2/11

1:55 a.m.-4:00 p.m.

3 stops39h 20m

Kathmandu Tribhuvan

Mon 23/11

5:00 p.m.-8:10 p.m.

1 stop25h 55m

C$ 1,058

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Thu 22/10

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

2 stops48h 00m

Kathmandu Tribhuvan

Tue 27/10

5:00 p.m.-2:55 p.m.

1 stop20h 40m

C$ 1,058

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 7/11

1:55 a.m.-4:00 p.m.

3 stops39h 20m

Kathmandu Tribhuvan

Sun 6/12

5:00 p.m.-10:35 p.m.

1 stop28h 20m

C$ 1,063

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Wed 4/11

1:35 p.m.-4:00 p.m.

2 stops27h 40m

Kathmandu Tribhuvan

Sun 6/12

5:00 p.m.-10:35 p.m.

1 stop28h 20m

C$ 1,063

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sat 14/11

9:05 p.m.-4:00 p.m.

1 stop20h 10m

Kathmandu Tribhuvan

Wed 9/12

5:00 p.m.-2:55 p.m.

1 stop20h 40m

C$ 1,065
Quickest round-trip

BangkokKathmandu

BKK - KTM

BKKKTM

Bangkok Suvarnabhumi

Sun 18/10

7:50 a.m.-3:35 p.m.

1 stop9h 00m

Kathmandu Tribhuvan

Sat 31/10

5:00 p.m.-8:10 p.m.

1 stop25h 55m

C$ 1,065

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

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 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 89 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$ 340). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in June is currently the most expensive (average of C$ 530). 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 9 June 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?

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 9 June 2026.
Read reviews from past customers who have flown Thai AirAsia 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
243 reviews
Check prices

Entertainment

5.5

Food

6.2

Overall

7.4

Boarding

7.3

Crew

7.9

Comfort

6.7

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
243 reviews
Thai AirAsia
7.4
Good
243 reviews
Check prices

Entertainment

5.5

Food

6.2

Overall

7.4

Boarding

7.3

Crew

7.9

Comfort

6.7

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 1 airline. 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$ 994, China Eastern can have you in Kathmandu from Bangkok Suvarnabhumi Airport in 38h 40m. Bangkok Suvarnabhumi Airport and Kathmandu are separated by a distance of 2227 km.

  • What is the cheapest airline to fly from Bangkok Suvarnabhumi Airport to Kathmandu round-trip?

    Thai AirAsia, at C$ 87, was found to be the cheapest airline from Bangkok Suvarnabhumi Airport to Kathmandu.. You may be able to fly from Bangkok Suvarnabhumi Airport to Kathmandu for 78% less than the average price by searching for this airline.

  • 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$ 340). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in June is currently the most expensive (average of C$ 530). 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

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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 airline flying from Suvarnabhumi to Kathmandu

Discover the top airline 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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapestC$ 87AverageC$ 316FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights

Fly with Cheapflights

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

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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.

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