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Cheap flights from Bangkok Suvarnabhumi Airport to Kathmandu from C$ 305

BKK — KTM
29 Nov — 6 Dec1
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

Sun 20/128:10 a.m. -
1 stop28h 55m
Wed 13/11:40 p.m. -
1 stop21h 40m
Deal found 28/10C$ 606
Sun 20/129:15 p.m. -
Nonstop3h 25m
Tue 12/112:25 a.m. -
Nonstop3h 30m
Deal found 28/10C$ 641
Fri 18/126:50 a.m. -
1 stop8h 20m
Fri 15/11:30 p.m. -
Nonstop3h 30m
Deal found 28/10C$ 646
Tue 22/126:50 a.m. -
1 stop8h 20m
Sun 10/112:25 a.m. -
Nonstop3h 30m
Deal found 28/10C$ 666
Sat 19/126:50 a.m. -
1 stop8h 20m
Tue 12/112:25 a.m. -
Nonstop3h 30m
Deal found 28/10C$ 680
Thu 29/108:50 p.m. -
1 stop17h 30m
Sun 8/1110:45 a.m. -
1 stop9h 05m
Deal found 28/10C$ 681
Mon 21/124:45 p.m. -
Nonstop3h 30m
Tue 12/112:25 a.m. -
Nonstop3h 30m
Deal found 28/10C$ 683
Thu 17/1211:25 a.m. -
1 stop12h 20m
Thu 14/112:30 p.m. -
1 stop8h 45m
Deal found 28/10C$ 685
Mon 21/124:45 p.m. -
Nonstop3h 30m
Sat 9/112:25 a.m. -
Nonstop3h 30m
Deal found 28/10C$ 688
Fri 18/124:45 p.m. -
Nonstop3h 30m
Thu 14/11:30 p.m. -
Nonstop3h 30m
Deal found 28/10C$ 694
Wed 4/116:45 a.m. -
1 stop28h 15m
Fri 6/1110:45 a.m. -
1 stop9h 05m
Deal found 28/10C$ 695
Fri 18/124:45 p.m. -
Nonstop3h 30m
Sun 10/11:30 p.m. -
Nonstop3h 30m
Deal found 28/10C$ 701

Find flight deals from Suvarnabhumi to Kathmandu

Round-trip from

C$ 603

One-way from

C$ 305

Popular in

July

Cheapest in

January

Average price

C$ 650
China Southern
  • China Southern
  • 22/2-30/3
  • 2 total stops
  • 37h 40m total
  • Bangkok to Kathmandu
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China Southern
  • China Southern
  • 4/1-31/12
  • 1 total stop
  • 9h 40m total
  • Bangkok to Kathmandu
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 181 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 22 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
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 Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Sun 8/11

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

1 stop28h 15m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 a.m.

Nonstop0h 00m

C$ 315

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Fri 20/11

6:45 a.m.-7:50 p.m.

1 stop14h 20m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 a.m.

Nonstop0h 00m

C$ 338

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Wed 4/11

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

1 stop28h 15m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 a.m.

Nonstop0h 00m

C$ 348
Quickest round-trip

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Fri 6/11

6:45 a.m.-4:10 p.m.

1 stop10h 40m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 a.m.

Nonstop0h 00m

C$ 365

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Thu 5/11

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

1 stop28h 15m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 a.m.

Nonstop0h 00m

C$ 389

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Mon 16/11

10:20 p.m.-11:30 a.m.

2 stops38h 25m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 a.m.

Nonstop0h 00m

C$ 422

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Mon 16/11

1:35 p.m.-3:05 p.m.

2 stops26h 45m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 a.m.

Nonstop0h 00m

C$ 439

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Fri 4/12

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

1 stop28h 15m

Kathmandu Tribhuvan

Wed 16/12

8:50 p.m.-9:05 p.m.

1 stop23h 00m

C$ 706

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Mon 14/12

6:45 a.m.-7:50 p.m.

1 stop14h 20m

Kathmandu Tribhuvan

Thu 17/12

10:45 a.m.-9:05 p.m.

1 stop9h 05m

C$ 715

BangkokKathmandu

BKK Bangkok Suvarnabhumi - KTM Kathmandu Tribhuvan

BKKKTM

Bangkok Suvarnabhumi

Thu 10/12

6:45 a.m.-7:50 p.m.

1 stop14h 20m

Kathmandu Tribhuvan

Thu 17/12

10:45 a.m.-9:05 p.m.

1 stop9h 05m

C$ 726

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 15 resultsSorted by cheapest first
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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

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$ 355). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in July is currently the most expensive (average of C$ 664). 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?

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 typical for this route at the moment.

Bangkok Suvarnabhumi Airport to Kathmandu flights typically cost between C$ 369 and C$ 691 in February.
The cheapest round-trip price found within the last 5 days was C$ 603 on China Southern (22 Feb-30 Mar).

Reviews of airlines servicing Kathmandu

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
7.5
Good
254 reviews
Check prices

Overall

7.5

Crew

7.9

Boarding

7.4

Entertainment

5.6

Food

6.2

Comfort

6.8

Reviews

1 / 6
6.0
Good

Anonymous,Sep 2026

SAI - DMK

Most robbery High expensive and collected huge amount of excess baggage 1 g to 20kg at a huge robbery Even drinking water should be buy!
Thai AirAsia
7.5
Good
254 reviews
Thai AirAsia
7.5
Good
254 reviews
Check prices

Overall

7.5

Crew

7.9

Boarding

7.4

Entertainment

5.6

Food

6.2

Comfort

6.8

Reviews

1 / 6
6.0
Good

Anonymous,Sep 2026

SAI - DMK

Most robbery High expensive and collected huge amount of excess baggage 1 g to 20kg at a huge robbery Even drinking water should be buy!

Related info for your journey

  • 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$ 706, IndiGo can have you in Kathmandu from Bangkok Suvarnabhumi Airport in 28h 15m. 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 82% less than the average price by searching for this airline.

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

    For one-way options, check prices for Thai Lion Air. According to our data, you can fly for as low as C$ 131. Users have also found prices from C$ 135 and C$ 331 on Thai AirAsia and Thai Airways, respectively.

  • 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$ 355). Flying from Bangkok Suvarnabhumi Airport to Kathmandu in July is currently the most expensive (average of C$ 664). 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

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Kathmandu car rentals
Kathmandu Tribhuvan Airport car rentals

Top airline flying from Suvarnabhumi to Kathmandu

AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapestC$ 87AverageC$ 198FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights

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