$345+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEL
Sep 14 — Sep 211
Round-trip
1 adult, Economy
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Find cheap flights from Kathmandu to Seoul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kathmandu to Seoul
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kathmandu to SeoulExplore 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 August 15, 2026.
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 August 15, 2026.
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:55 am -
2 stops21h 55m
Fri 10/232:25 pm -
2 stops47h 45m
Deal found 8/12![Air China logo]()
$798
This Gotogate deal was found by Cheapflights users on 8/13. 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 9/1911:55 am -
2 stops21h 55m
Sat 9/262:25 pm -
2 stops23h 45m
Deal found 8/13![Air China logo]()
$818
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Tue 12/112:10 pm -
2 stops21h 40m
Sat 12/512:00 pm -
3 stops55h 15m
Deal found 8/14![Multiple Airlines logo]()
$830
This Justfly.com deal was found by Cheapflights users on 8/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:35 pm -
2 stops39h 10m
Sat 9/198:50 pm -
2 stops22h 00m
Deal found 8/11![China Eastern logo]()
$838
This CheapOair deal was found by Cheapflights users on 8/12. 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.
Sat 9/1211:55 am -
2 stops21h 55m
Sat 9/192:25 pm -
2 stops23h 45m
Deal found 8/12![Air China logo]()
$870
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:55 am -
2 stops21h 55m
Fri 10/238:50 pm -
3 stops46h 25m
Deal found 8/12![Multiple Airlines logo]()
$925
This Priceline deal was found by Cheapflights users on 8/13. 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 9/194:35 pm -
2 stops39h 10m
Sat 9/2612:00 pm -
2 stops30h 50m
Deal found 8/13![China Eastern logo]()
$940
This Mytrip deal was found by Cheapflights users on 8/12. 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 9/231:30 pm -
2 stops22h 30m
Wed 9/306:00 am -
3 stops41h 05m
Deal found 8/12![Multiple Airlines logo]()
$945
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:55 am -
2 stops21h 55m
Thu 9/173:00 pm -
2 stops23h 10m
Deal found 8/13![Air China logo]()
$968
Best flights from Kathmandu to SeoulDiscover carefully curated flight deals from Kathmandu to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 15, 2026.
Discover carefully curated flight deals from Kathmandu to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 15, 2026.
This Gotogate deal was found by Cheapflights users on 8/13. 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 9/1911:55 am -
2 stops21h 55m
Sat 9/262:25 pm -
2 stops23h 45m
Deal found 8/13![Air China logo]()
$818
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Tue 12/112:10 pm -
2 stops21h 40m
Sat 12/512:00 pm -
3 stops55h 15m
Deal found 8/14![Multiple Airlines logo]()
$830
This Justfly.com deal was found by Cheapflights users on 8/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:35 pm -
2 stops39h 10m
Sat 9/198:50 pm -
2 stops22h 00m
Deal found 8/11![China Eastern logo]()
$838
This CheapOair deal was found by Cheapflights users on 8/13. 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.
Sat 9/1211:55 am -
2 stops21h 55m
Sat 9/192:25 pm -
2 stops23h 45m
Deal found 8/13![Air China logo]()
$870
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:55 am -
2 stops21h 55m
Fri 10/238:50 pm -
3 stops46h 25m
Deal found 8/12![Multiple Airlines logo]()
$925
This Mytrip deal was found by Cheapflights users on 8/12. 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 9/231:30 pm -
2 stops22h 30m
Wed 9/306:00 am -
3 stops41h 05m
Deal found 8/12![Multiple Airlines logo]()
$945
This FlightHub deal was found by Cheapflights users on 8/11. 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 2/15:00 pm -
2 stops47h 35m
Sun 3/78:50 pm -
2 stops22h 25m
Deal found 8/11![China Eastern logo]()
$1,960
Last-minute flights from Kathmandu to SeoulDiscover last-minute flight deals from Kathmandu to Seoul. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from Kathmandu to Seoul. Data last updated August 15, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:55 am -
2 stops21h 55m
Thu 9/173:00 pm -
2 stops23h 10m
Deal found 8/13![Air China logo]()
$968
This Justfly.com deal was found by Cheapflights users on 8/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:35 pm -
2 stops39h 10m
Sat 9/198:50 pm -
2 stops22h 00m
Deal found 8/11![China Eastern logo]()
$838
This CheapOair deal was found by Cheapflights users on 8/12. 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.
Sat 9/1211:55 am -
2 stops21h 55m
Sat 9/192:25 pm -
2 stops23h 45m
Deal found 8/12![Air China logo]()
$870
This Gotogate deal was found by Cheapflights users on 8/13. 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 9/1911:55 am -
2 stops21h 55m
Sat 9/262:25 pm -
2 stops23h 45m
Deal found 8/13![Air China logo]()
$818
This Priceline deal was found by Cheapflights users on 8/13. 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 9/194:35 pm -
2 stops39h 10m
Sat 9/2612:00 pm -
2 stops30h 50m
Deal found 8/13![China Eastern logo]()
$940
This Mytrip deal was found by Cheapflights users on 8/12. 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 9/231:30 pm -
2 stops22h 30m
Wed 9/306:00 am -
3 stops41h 05m
Deal found 8/12![Multiple Airlines logo]()
$945
One-way flights from Kathmandu to SeoulSearch for one-way flight options from Kathmandu to Seoul. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
Search for one-way flight options from Kathmandu to Seoul. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Wed 9/93:05 pm -
2 stops37h 20m
Deal found 8/10![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 11/1612:30 pm -
3 stops42h 55m
Deal found 8/14![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Tue 11/1712:30 pm -
3 stops41h 20m
Deal found 8/14![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 11/2612:30 pm -
2 stops29h 35m
Deal found 8/13![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sat 8/294:35 pm -
3 stops37h 20m
Deal found 8/14![Multiple Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 11/1612:30 pm -
2 stops44h 40m
Deal found 8/14![China Southern logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Tue 11/1712:30 pm -
2 stops20h 40m
Deal found 8/14![China Southern logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sat 11/1412:30 pm -
3 stops41h 20m
Deal found 8/11![Multiple Airlines logo]()
$465
This Mytrip deal was found by Cheapflights users on 8/11. 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 11/1412:30 pm -
2 stops20h 40m
Deal found 8/11![China Southern logo]()
$480
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 August 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $798 (Expedia) |
One-way from | $345 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $167 |
Good round-trip deal | $1,299 or less |
Good one-way deal | $882 or less |
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 August 15, 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
Cheapest round-trip
Quickest round-trip
KathmanduSeoul
KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl
KTMGMP
Kathmandu Tribhuvan
Sat 9/19
11:55 am-1:05 pm
2 stops21h 55m
Seoul Gimpo Intl
Sat 9/26
2:25 pm-10:55 am
2 stops23h 45m
$818
KathmanduSeoul
KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl
KTMGMP
Kathmandu Tribhuvan
Tue 12/1
12:10 pm-1:05 pm
2 stops21h 40m
Seoul Gimpo Intl
Sat 12/5
12:00 pm-4:00 pm
3 stops55h 15m
$830
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-3:35 pm
2 stops22h 00m
$838
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
$870
KathmanduSeoul
KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl
KTMGMP
Kathmandu Tribhuvan
Mon 10/19
11:55 am-1:05 pm
2 stops21h 55m
Seoul Gimpo Intl
Fri 10/23
8:50 pm-4:00 pm
3 stops46h 25m
$925
KathmanduSeoul
KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl
KTMGMP
Kathmandu Tribhuvan
Wed 9/23
1:30 pm-3:15 pm
2 stops22h 30m
Seoul Gimpo Intl
Wed 9/30
6:00 am-7:50 pm
3 stops41h 05m
$945
KathmanduSeoul
KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl
KTMGMP
Kathmandu Tribhuvan
Mon 2/1
5:00 pm-7:50 pm
2 stops47h 35m
Seoul Gimpo Intl
Sun 3/7
8:50 pm-4:00 pm
2 stops22h 25m
$1,960
Cheapest one-way
KathmanduSeoul
KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl
KTMGMP
Kathmandu Tribhuvan
Wed 9/9
3:05 pm-7:40 am
2 stops37h 20m
$345
KathmanduSeoul
KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl
KTMGMP
Kathmandu Tribhuvan
Thu 11/26
12:30 pm-9:20 pm
2 stops29h 35m
$432
KathmanduSeoul
KTM Kathmandu Tribhuvan - GMP Seoul Gimpo Intl
KTMGMP
Kathmandu Tribhuvan
Sat 11/14
12:30 pm-9:05 am
3 stops41h 20m
$465
Showing 1-10 of 14 resultsSorted 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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
KTM-SEL
KTM-GMP
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
KTM-SEL
KTM-GMP
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?
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 August 15, 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 August 15, 2026.
Read through reviews of airlines operating flights from Kathmandu to Seoul, such as Thai Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.0
Comfort
7.7
Entertainment
6.9
Food
7.5
Overall
7.9
Crew
8.4
Reviews
1 / 20
10.0
ExcellentVirendra,Jan 2026
DEL - BKK
Boarding
8.0
Comfort
7.7
Entertainment
6.9
Food
7.5
Overall
7.9
Crew
8.4
Reviews
1 / 20
10.0
ExcellentVirendra,Jan 2026
DEL - BKK
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
Complete your trip to Seoul by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kathmandu to Seoul by cabin class
Find flights from Kathmandu to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kathmandu and Seoul flights
Browse other Kathmandu and Seoul flight options. Last updated on August 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seoul
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 15, 2026.
Top airline flying from Kathmandu to Seoul
Discover the top airline 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 August 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$583 | Average$629 | FlexibilityNo cancel fee | On-time77% |