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$400+ Cheap flights from Kathmandu (KTM) to Seoul (SEL)

KTM — SEL
Sep 25 — Oct 21
Fri 9/25
Fri 10/2
1 adult, Economy
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Cheap flight deals from Kathmandu to Seoul

Cheapest flights from Kathmandu to Seoul

Sat 9/1211:55 am -
2 stops21h 55m
Sat 9/198:50 pm -
2 stops22h 00m
Deal found 8/24$618
Sat 9/124:35 pm -
2 stops39h 10m
Sat 9/198:50 pm -
2 stops45h 30m
Deal found 8/25$792
Sat 9/1211:55 am -
2 stops21h 55m
Sat 9/192:25 pm -
2 stops23h 45m
Deal found 8/26$847
Sat 8/292:05 pm -
2 stops17h 20m
Sun 8/307:15 pm -
2 stops27h 50m
Deal found 8/22$1,444
Mon 11/95:00 pm -
2 stops23h 35m
Sun 11/158:50 pm -
2 stops22h 25m
Deal found 8/22$1,509

Find flight deals from Kathmandu to Seoul

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$618
(CheapOair)

One-way from

$400
(Air China)

Popular in

March

Cheapest in

October

Average price

$605

Good round-trip deal

$1,321 or less

Good one-way deal

$618 or less
Provider with most accurate pricing for Kathmandu Tribhuvan-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Seoul (SEL) flights.
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From Kathmandu Tribhuvan to Seoul (SEL)
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One-way flight from Kathmandu Tribhuvan to Seoul (SEL)
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Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from Kathmandu Tribhuvan to Seoul (SEL).
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Price to beat on a one-way flight from Kathmandu Tribhuvan to Seoul (SEL).
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Kathmandu to Seoul that are best for you.

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Route

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Price

Cheapest round-trip

KathmanduSeoul

KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl

KTMGMP

Kathmandu Tribhuvan

Sat 9/12

11:55 am-1:05 pm

2 stops21h 55m

Seoul Gimpo Intl

Sat 9/19

8:50 pm-3:35 pm

2 stops22h 00m

$618

KathmanduSeoul

KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl

KTMGMP

Kathmandu Tribhuvan

Sat 9/12

4:35 pm-11:00 am

2 stops39h 10m

Seoul Gimpo Intl

Sat 9/19

8:50 pm-3:05 pm

2 stops45h 30m

$792

KathmanduSeoul

KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl

KTMGMP

Kathmandu Tribhuvan

Sat 9/12

11:55 am-1:05 pm

2 stops21h 55m

Seoul Gimpo Intl

Sat 9/19

2:25 pm-10:55 am

2 stops23h 45m

$847
Quickest round-trip

KathmanduSeoul

KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl

KTMGMP

Kathmandu Tribhuvan

Tue 9/22

11:55 am-1:05 pm

2 stops21h 55m

Seoul Gimpo Intl

Tue 9/29

9:45 am-11:25 pm

2 stops16h 55m

$847

KathmanduSeoul

KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl

KTMGMP

Kathmandu Tribhuvan

Mon 11/9

5:00 pm-7:50 pm

2 stops23h 35m

Seoul Gimpo Intl

Sun 11/15

8:50 pm-4:00 pm

2 stops22h 25m

$1,509
Cheapest one-way

KathmanduSeoul

KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl

KTMGMP

Kathmandu Tribhuvan

Mon 12/14

11:55 am-1:05 pm

2 stops45h 55m

$400

KathmanduSeoul

KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl

KTMGMP

Kathmandu Tribhuvan

Fri 12/18

11:55 am-1:05 pm

2 stops45h 55m

$400

KathmanduSeoul

KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl

KTMGMP

Kathmandu Tribhuvan

Wed 12/16

11:55 am-1:10 pm

3 stops22h 00m

$403

KathmanduSeoul

KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl

KTMGMP

Kathmandu Tribhuvan

Tue 11/24

12:30 pm-9:05 am

3 stops41h 20m

$447

KathmanduSeoul

KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl

KTMGMP

Kathmandu Tribhuvan

Fri 11/27

3:05 pm-7:45 pm

2 stops25h 25m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 16 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on Kathmandu-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kathmandu-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kathmandu-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kathmandu-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kathmandu-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kathmandu to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Kathmandu with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Seoul

What is the cheapest month to book a flight from Kathmandu to Seoul?

Currently, February is the cheapest month in which you can book a flight from Kathmandu to Seoul (average of $601). Flying from Kathmandu to Seoul in March is currently the most expensive (average of $777). 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 KTM to SEL?

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

Related info for your journey

  • What airport do you fly from for flights from Kathmandu to Seoul?

    Kathmandu Tribhuvan (KTM), located 2.5 mi from the city center, is the airport you fly out of when you book flights from Kathmandu to Seoul. 0 airlines have flights from Tribhuvan to Seoul on a regular basis. Booking flights from Kathmandu Tribhuvan to Seoul should not be difficult; the airport handles an average of 0 outbound flights to Seoul per day.

  • How long is the flight from Kathmandu to Seoul?

    For as low as $847, China Eastern can have you in Seoul from Kathmandu in 21h 55m. There are 2482 mi between Kathmandu and Seoul. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kathmandu to Seoul one-way?

    The cheapest airline one-way is China Eastern, with whom users have recently found tickets for as low as $264. However, be on the lookout for offers from Air China and China Southern, as they are both options that can get you from Kathmandu to Seoul for a low price.

  • What are the cheapest flights from Kathmandu to Seoul?

    Looking at all options, your cheapest flight can be booked for $574. While the most popular route (Kathmandu Tribhuvan - Seoul Gimpo Intl) can be booked for $871 on average, our data indicates $1,213 when flying from Kathmandu to Seoul.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kathmandu to Seoul 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 Kathmandu to Seoul?

    Currently, February is the cheapest month in which you can book a flight from Kathmandu to Seoul (average of $601). Flying from Kathmandu to Seoul in March is currently the most expensive (average of $777). 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

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