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Kathmandu

$161+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — KTM
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Find cheap flights from Seoul to Kathmandu with Cheapflights

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Cheapflights Tip: The best prices from Seoul to Kathmandu Tribhuvan are usually found in June or May, booked 42 days in advance, depart on a Thursday or Tuesday and return on a Thursday

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 October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$411
(FlightHub)

One-way from

$161
(Mytrip)

Popular in

October

Cheapest in

June

Average price

$602

Good round-trip deal

$911 or less

Good one-way deal

$562 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. 9% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Seoul (SEL) to Kathmandu Tribhuvan.
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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 October 2, 2025.

This FlightHub deal was found by Cheapflights users on 10/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:15 pmICN - KTM
2 stops46h 35mChina Eastern
Tue 12/25:00 pmKTM - ICN
1 stop26h 30mChina Eastern
Deal found 10/2$411
This FlightHub deal was found by Cheapflights users on 9/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:50 pmICN - KTM
2 stops21h 25mChina Eastern
Sat 12/275:00 pmKTM - ICN
3 stops24h 30mChina Eastern
Deal found 9/30$414
This FlightHub deal was found by Cheapflights users on 10/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:50 pmICN - KTM
2 stops21h 25mChina Eastern
Sat 1/175:00 pmKTM - ICN
2 stops23h 35mChina Eastern
Deal found 10/1$415
This FlightHub deal was found by Cheapflights users on 9/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1712:15 pmICN - KTM
2 stops30h 35mChina Eastern
Tue 12/25:00 pmKTM - ICN
3 stops39h 40mChina Eastern
Deal found 9/30$418
This Priceline deal was found by Cheapflights users on 10/2. 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 10/184:45 pmICN - KTM
1 stop22h 20mChina Southern
Sat 11/1511:30 pmKTM - ICN
1 stop12h 30mChina Southern
Deal found 10/2$432
This China Southern deal was found by Cheapflights users on 10/2. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:55 amICN - KTM
1 stop27h 50mChina Southern
Tue 11/412:30 pmKTM - ICN
1 stop30h 05mChina Southern
Deal found 10/2$434
This Kiwi.com deal was found by Cheapflights users on 10/2. 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.
Thu 10/307:25 amICN - KTM
1 stop11h 50mMultiple Airlines
Wed 11/52:15 pmKTM - ICN
1 stop15h 30mMultiple Airlines
Deal found 10/2$440
This Air China deal was found by Cheapflights users on 10/2. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:55 pmICN - KTM
1 stop23h 15mAir China
Tue 12/212:35 pmKTM - ICN
1 stop21h 05mAir China
Deal found 10/2$441
This FlightHub deal was found by Cheapflights users on 9/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:50 pmGMP - KTM
2 stops22h 25mChina Eastern
Thu 12/255:00 pmKTM - GMP
2 stops23h 35mChina Eastern
Deal found 9/30$481
This Priceline deal was found by Cheapflights users on 10/1. 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 11/158:50 pmGMP - KTM
2 stops22h 25mChina Eastern
Sat 11/225:00 pmKTM - GMP
2 stops23h 35mChina Eastern
Deal found 10/1$512

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 October 2, 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

Sun 11/16

8:50 pm-4:00 pm

2 stops22h 25m

Kathmandu Tribhuvan

Thu 12/25

5:00 pm-7:50 pm

2 stops23h 35m

$481

SeoulKathmandu

GMP - KTM

GMPKTM

Seoul Gimpo Intl

Sat 11/15

8:50 pm-4:00 pm

2 stops22h 25m

Kathmandu Tribhuvan

Sat 11/22

5:00 pm-7:50 pm

2 stops23h 35m

$512

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Wed 1/7

12:10 am-9:45 pm

1 stop24h 50m

Kathmandu Tribhuvan

Tue 2/10

10:45 pm-8:55 pm

1 stop18h 55m

$732

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Sat 1/17

12:10 am-9:45 pm

1 stop24h 50m

Kathmandu Tribhuvan

Fri 1/23

1:00 pm-8:55 pm

1 stop28h 40m

$845

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Sun 11/23

12:10 am-12:00 pm

1 stop15h 05m

Kathmandu Tribhuvan

Tue 12/2

10:45 pm-8:55 pm

1 stop18h 55m

$862

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Thu 12/4

12:10 am-12:00 pm

1 stop15h 05m

Kathmandu Tribhuvan

Sat 1/17

1:00 pm-8:55 pm

1 stop28h 40m

$865

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Fri 12/26

12:10 am-12:00 pm

1 stop15h 05m

Kathmandu Tribhuvan

Sat 1/31

1:00 pm-8:55 pm

1 stop28h 40m

$869

SeoulKathmandu

GMP - KTM

GMPKTM

Seoul Gimpo Intl

Thu 3/19

8:50 pm-4:00 pm

2 stops46h 25m

Kathmandu Tribhuvan

Sun 3/22

5:00 pm-7:50 pm

2 stops23h 35m

$894

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Tue 1/13

1:00 pm-5:45 pm

Nonstop8h 00m

Kathmandu Tribhuvan

Tue 3/3

7:20 pm-4:30 am

Nonstop5h 55m

$896

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Thu 10/30

12:10 am-12:00 pm

1 stop15h 05m

Kathmandu Tribhuvan

Fri 10/31

10:45 pm-8:55 pm

1 stop18h 55m

$908

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 27 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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice 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 Seoul-Kathmandu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Kathmandu flight deals on Cheapflights vs. FlightHub >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 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 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 September 26, 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, August is the cheapest month in which you can book a flight from Seoul to Kathmandu (average of $1,206). Flying from Seoul to Kathmandu in June is currently the most expensive (average of $1,683). 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 October 2, 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 63% versus a flight at noon.

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 Friday evenings when fares are most often at their lowest. Monday mornings 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 52% 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 October 2, 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
1,145 reviews

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

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
1,145 reviews
Korean Air
8.4
Very good
1,145 reviews

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

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
354 reviews
Korean Air
8.4
Very good
1,145 reviews

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

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
113 reviews
Korean Air
8.4
Very good
1,145 reviews

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

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
7.3
Good
110 reviews
Korean Air
8.4
Very good
1,145 reviews

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

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
168 reviews
Korean Air
8.4
Very good
1,145 reviews

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

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 $346. Additional round-trip tickets that might be worth considering are offered by China Eastern and China Southern, with the lowest prices starting at $359 and $366, respectively. These flights start at 33% 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 $820 for a flight from Seoul to Kathmandu. The cheapest flight overall is $442 while the most popular route, (Incheon Intl - Kathmandu Tribhuvan) is currently priced at $369.

  • 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, August is the cheapest month in which you can book a flight from Seoul to Kathmandu (average of $1,206). Flying from Seoul to Kathmandu in June is currently the most expensive (average of $1,683). 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 October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$346Average$488FlexibilityNo cancel feeOn-time67%
China EasternCheapest$359Average$462FlexibilityNo cancel feeOn-time62%
China SouthernCheapest$366Average$498FlexibilityNo cancel feeOn-time69%
Air IndiaCheapest$462Average$680FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$614Average$688FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$658Average$1,042FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$921Average$1,026FlexibilityNo cancel feeOn-time72%

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