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$403+ Cheap flights from Kathmandu (KTM) to Seoul (SEL)

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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEL
Jul 20 — Jul 271
Mon 7/20
Mon 7/27
1 adult, Economy
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Cheap flight deals from Kathmandu to Seoul

Cheapest flights from Kathmandu to Seoul
Explore the most affordable flight options available from Kathmandu to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.

This Priceline deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:35 pm
KTM
-
GMP
2 stops39h 10m
China Eastern
Sat 7/258:50 pm
GMP
-
KTM
2 stops22h 00m
China Eastern
Deal found 6/20$1,000

Find flight deals from Kathmandu to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Seoul (SEL). 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 June 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,000
(Priceline)

One-way from

$403
(FlightHub)

Good round-trip deal

$851 or less

Good one-way deal

$899 or less
Provider with most accurate pricing for Kathmandu Tribhuvan-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Seoul (SEL) flights.
Search Deals
From Kathmandu Tribhuvan to Seoul (SEL)
Search Deals
One-way flight from Kathmandu Tribhuvan to Seoul (SEL)
Search Deals
Price to beat on a round-trip flight from Kathmandu Tribhuvan to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from Kathmandu Tribhuvan to Seoul (SEL).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to Seoul 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 2,558,603 searches. Data last updated June 20, 2026.
Use the filters below to find and compare flights from Kathmandu to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KathmanduSeoul

KTM - GMP

KTMGMP

Kathmandu Tribhuvan

Sat 7/18

4:35 pm-11:00 am

2 stops39h 10m

Seoul Gimpo Intl

Sat 7/25

8:50 pm-3:35 pm

2 stops22h 00m

$1,000
Cheapest one-way

KathmanduSeoul

KTM - GMP

KTMGMP

Kathmandu Tribhuvan

Sat 6/27

4:35 pm-11:00 am

2 stops39h 10m

$403

KathmanduSeoul

KTM - GMP

KTMGMP

Kathmandu Tribhuvan

Fri 7/24

6:30 am-11:00 am

3 stops49h 15m

$452

KathmanduSeoul

KTM - GMP

KTMGMP

Kathmandu Tribhuvan

Mon 9/28

3:05 pm-1:45 pm

3 stops43h 25m

$472

KathmanduSeoul

KTM - GMP

KTMGMP

Kathmandu Tribhuvan

Mon 9/28

12:25 am-1:45 pm

3 stops34h 05m

$477
Quickest one-way

KathmanduSeoul

KTM - GMP

KTMGMP

Kathmandu Tribhuvan

Thu 6/25

1:30 pm-8:20 am

3 stops15h 35m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Sorted by cheapest first

Compare providers for flights from Kathmandu to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kathmandu to Seoul in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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
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 Kathmandu to Seoul

What is the cheapest time of day to fly from KTM to SEL?

Find hourly flight availability from Kathmandu to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 20, 2026.

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.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated June 20, 2026.
Read through reviews of airlines operating flights from Kathmandu to Seoul, such as China Southern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Southern
7.5
Good
154 reviews

Overall

7.5

Crew

8.1

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 7
2.0
Mediocre

Anonymous,Mar 2026

NRT - CAN

The reclinjng didnot work in our seats. The TV didnot work. The crew was not helpful. The food was awful. Overall very very poor experience. I traveled with the family of 5
China Southern
7.5
Good
154 reviews
China Southern
7.5
Good
154 reviews

Overall

7.5

Crew

8.1

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 7
2.0
Mediocre

Anonymous,Mar 2026

NRT - CAN

The reclinjng didnot work in our seats. The TV didnot work. The crew was not helpful. The food was awful. Overall very very poor experience. I traveled with the family of 5

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Seoul. 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 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. 3 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 $1,000, China Eastern can have you in Seoul from Kathmandu in 39h 10m. There are 2482 mi between Kathmandu and Seoul.

  • What are the cheapest airlines flying from Kathmandu to Seoul round-trip?

    Flying on China Southern is currently your cheapest option to Seoul, with prices starting at $491. Additional round-trip tickets that might be worth considering are offered by Thai Airways and Cathay Pacific, with the lowest prices starting at $583 and $606, respectively.

  • 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 $250. However, be on the lookout for offers from Air China and Cathay Pacific, 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 $811. While the most popular route (Kathmandu Tribhuvan - Seoul Gimpo Intl) can be booked for $973 on average, our data indicates $1,192 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.

See more FAQs

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Top 3 airlines flying from Kathmandu to Seoul

Discover the top 3 airlines that operate flights from Kathmandu to Seoul. 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 2,558,603 searches. Data last updated June 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$491Average$604FlexibilityNo cancel feeOn-time69%
Thai AirwaysCheapest$583Average$629FlexibilityNo cancel feeOn-time77%
Cathay PacificCheapest$606Average$735FlexibilityNo cancel feeOn-time72%

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