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Kathmandu

$122+ Cheap flights from Seoul (SEL) to Kathmandu (KTM)

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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — KTM
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Kathmandu Tribhuvan are usually found in June or April, booked 42 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Seoul to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) 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 November 21, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$306
(Mytrip)

One-way from

$122
(Kiwi.com)

Popular in

August

Cheapest in

June

Average price

$453

Good one-way deal

$545 or less
Provider with most accurate pricing for Seoul (SEL)-Kathmandu Tribhuvan flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Kathmandu Tribhuvan flights.
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From Seoul (SEL) to Kathmandu Tribhuvan
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One-way flight from Seoul (SEL) to Kathmandu Tribhuvan
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Highest demand for flights based on searches. 8% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a one-way flight from Seoul (SEL) to Kathmandu Tribhuvan.
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Find flight deals from Seoul to Kathmandu

Cheapest flights from Seoul to Kathmandu
Explore the most affordable flight options available from Seoul to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:40 pmICN - KTM
2 stops26h 35mChina Eastern
Tue 12/95:00 pmKTM - ICN
1 stop26h 30mChina Eastern
Deal found 11/20$310
This Orbitz deal was found by Cheapflights users on 11/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:40 pmICN - KTM
3 stops50h 35mChina Eastern
Wed 1/215:00 pmKTM - ICN
2 stops18h 50mChina Eastern
Deal found 11/18$315
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:25 amICN - KTM
1 stop11h 50mChina Eastern
Sun 12/285:00 pmKTM - ICN
1 stop26h 30mChina Eastern
Deal found 11/20$317
This Gotogate deal was found by Cheapflights users on 11/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:55 pmICN - KTM
1 stop23h 55mAir China
Tue 1/2012:35 pmKTM - ICN
1 stop21h 05mAir China
Deal found 11/19$319
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:25 amICN - KTM
1 stop11h 50mChina Eastern
Sat 12/275:00 pmKTM - ICN
2 stops18h 50mChina Eastern
Deal found 11/19$320
This Gotogate deal was found by Cheapflights users on 11/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:25 amICN - KTM
1 stop11h 50mChina Eastern
Thu 1/225:00 pmKTM - ICN
1 stop26h 30mChina Eastern
Deal found 11/18$323
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/184:40 pmICN - KTM
2 stops26h 35mChina Eastern
Thu 12/255:00 pmKTM - ICN
1 stop26h 30mChina Eastern
Deal found 11/20$325
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:20 pmICN - KTM
2 stops28h 55mChina Eastern
Thu 1/225:00 pmKTM - ICN
3 stops40h 00mChina Eastern
Deal found 11/19$326
This Gotogate deal was found by Cheapflights users on 11/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:25 amICN - KTM
1 stop11h 50mChina Eastern
Sat 1/105:00 pmKTM - ICN
2 stops18h 50mChina Eastern
Deal found 11/19$328
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:50 pmGMP - KTM
2 stops22h 25mChina Eastern
Tue 12/95:00 pmKTM - GMP
2 stops23h 35mChina Eastern
Deal found 11/20$350
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:50 pmGMP - KTM
2 stops22h 25mMultiple Airlines
Wed 12/313:10 pmKTM - GMP
2 stops25h 20mMultiple Airlines
Deal found 11/20$548
This Priceline deal was found by Cheapflights users on 11/20. 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.
Thu 12/188:50 pmGMP - KTM
2 stops22h 25mChina Eastern
Thu 12/255:00 pmKTM - GMP
2 stops23h 35mChina Eastern
Deal found 11/20$568

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul 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 2,558,603 searches. Data last updated November 21, 2025.
Use the filters below to find and compare flights from Seoul to Kathmandu that are best for you.

Fly from

Seoul

Fly to

Kathmandu

Route

Depart

Return

Price

SeoulKathmandu

GMP - KTM

GMPKTM

Seoul Gimpo Intl

Mon 12/1

8:50 pm-4:00 pm

2 stops22h 25m

Kathmandu Tribhuvan

Tue 12/9

5:00 pm-7:50 pm

2 stops23h 35m

$350

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Wed 1/21

6:25 pm-4:00 pm

2 stops24h 50m

Kathmandu Tribhuvan

Mon 2/23

5:00 pm-5:25 pm

3 stops21h 10m

$399

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Sat 12/27

2:30 pm-11:20 am

1 stop24h 05m

Kathmandu Tribhuvan

Fri 1/9

12:20 pm-1:30 pm

1 stop21h 55m

$422

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Wed 1/21

8:50 pm-4:00 pm

2 stops22h 25m

Kathmandu Tribhuvan

Mon 2/23

3:00 pm-10:05 am

1 stop15h 50m

$458

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Wed 1/21

4:15 pm-11:30 am

1 stop22h 30m

Kathmandu Tribhuvan

Mon 2/23

12:30 pm-3:15 pm

1 stop23h 30m

$479

SeoulKathmandu

GMP - KTM

GMPKTM

Seoul Gimpo Intl

Wed 12/10

8:50 pm-4:00 pm

2 stops22h 25m

Kathmandu Tribhuvan

Wed 12/31

3:10 pm-7:45 pm

2 stops25h 20m

$548

SeoulKathmandu

GMP - KTM

GMPKTM

Seoul Gimpo Intl

Thu 12/18

8:50 pm-4:00 pm

2 stops22h 25m

Kathmandu Tribhuvan

Thu 12/25

5:00 pm-7:50 pm

2 stops23h 35m

$568

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Wed 2/4

6:50 am-8:35 pm

1 stop17h 00m

Kathmandu Tribhuvan

Mon 5/4

5:05 pm-5:50 am

1 stop33h 30m

$601

SeoulKathmandu

GMP - KTM

GMPKTM

Seoul Gimpo Intl

Thu 1/1

12:00 pm-4:00 pm

2 stops31h 15m

Kathmandu Tribhuvan

Fri 1/30

12:35 pm-1:05 pm

2 stops21h 15m

$620

SeoulKathmandu

GMP - KTM

GMPKTM

Seoul Gimpo Intl

Fri 1/16

8:50 pm-4:00 pm

2 stops22h 25m

Kathmandu Tribhuvan

Sun 2/8

5:00 pm-7:50 pm

2 stops23h 35m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 28 results
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Compare providers for flights from Seoul to Kathmandu

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 Seoul to Kathmandu in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 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 Seoul-Kathmandu flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Seoul-Kathmandu flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Seoul-Kathmandu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Kathmandu flights, Cheapflights users trust Mytrip the most. Mytrip 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 Seoul-Kathmandu 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 Seoul to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Seoul 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 Seoul to Kathmandu

How far ahead should I book a flight from Seoul to Kathmandu?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Kathmandu. Price data was last updated on November 14, 2025.

The best time to book flights from Seoul to Kathmandu is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from Seoul to Kathmandu (average of $283). Flying from Seoul to Kathmandu in October is currently the most expensive (average of $422). 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 SEL to KTM?

Find hourly flight availability from Seoul 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 November 21, 2025.

When flying from Seoul to Kathmandu, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 56% versus a flight in the morning.

What is the cheapest day to fly from Seoul to Kathmandu?

Use this chart to determine the cheapest time to fly round-trip from Seoul to Kathmandu. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seoul to Kathmandu flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Seoul to Kathmandu?

What’s the top layover airport for flights from Seoul to Kathmandu?

Share of 1-stop round-trip flights from Seoul to Kathmandu chosen by Cheapflights users in the past 12 months, using the same layover each way.

Guangzhou (CAN) – chosen by Cheapflights users on 53% of 1-stop itineraries from Seoul to Kathmandu on Cheapflights.

What’s the cheapest layover airport for flights from Seoul to Kathmandu?

Average round-trip fare for 1-stop flights from Seoul to Kathmandu, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Kunming (KMG) is the most affordable 1-stop option, with an average round-trip price of $421.

What’s the fastest layover option from Seoul to Kathmandu?

Shortest average travel time for 1-stop one-way flights from Seoul to Kathmandu, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Hong Kong (HKG) have the shortest average one-way travel time for 1-stop routes: 11h 25m.

Which airport typically offers the quickest layover for flights from Seoul to Kathmandu?

Average layover duration for 1-stop one-way flights from Seoul to Kathmandu, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average layover time of 2h 08m.

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 November 21, 2025.
Get a feel of what it's like to fly with Korean Air, Thai Airways, and China Southern from Seoul to Kathmandu by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,170 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,170 reviews
Korean Air
8.4
Very good
1,170 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Thai Airways
7.8
Good
362 reviews
Korean Air
8.4
Very good
1,170 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
China Southern
7.5
Good
119 reviews
Korean Air
8.4
Very good
1,170 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
China Eastern
7.2
Good
178 reviews
Korean Air
8.4
Very good
1,170 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air China
7.2
Good
126 reviews
Korean Air
8.4
Very good
1,170 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Seoul 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 Seoul?

    For a flight from Seoul to Kathmandu, you will be flying into Tribhuvan. Kathmandu Tribhuvan (KTM) is just 2.5 mi from the center of the city. Tribhuvan is the only Kathmandu airport and it handles 0 inbound flights from Seoul per day. 7 airlines have flights to Kathmandu Tribhuvan from Seoul on a regular basis.

  • How popular is this Seoul to Kathmandu flight route?

    Within the past month, 12 users have taken a look at flights from Seoul to Kathmandu Tribhuvan.

  • How long is the flight from Seoul to Kathmandu?

    Departing from Seoul to Kathmandu will take you 22h 25m. Airlines will cover a distance of 2482 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Air China is currently your cheapest option to Kathmandu, with prices starting at $315. Additional round-trip tickets that might be worth considering are offered by China Eastern and China Southern, with the lowest prices starting at $351 and $365, respectively. These flights start at 35% lower than the current average price 3 months from now.

  • What are the cheapest flights from Seoul to Kathmandu?

    On average you can expect to pay $556 for a flight from Seoul to Kathmandu. The cheapest flight overall is $461 while the most popular route, (Incheon Intl - Kathmandu Tribhuvan) is currently priced at $282.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Seoul to Kathmandu (average of $283). Flying from Seoul to Kathmandu in October is currently the most expensive (average of $422). 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

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

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Alternative routes for Seoul to Kathmandu

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Kathmandu flights

Top 7 airlines flying from Seoul to Kathmandu

Discover the top 7 airlines that operate flights from Seoul 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 2,558,603 searches. Data last updated November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$315Average$476FlexibilityNo cancel feeOn-time67%
China EasternCheapest$351Average$439FlexibilityNo cancel feeOn-time62%
China SouthernCheapest$365Average$494FlexibilityNo cancel feeOn-time69%
Air IndiaCheapest$462Average$636FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$621Average$714FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$658Average$982FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$921Average$1,026FlexibilityNo cancel feeOn-time72%

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