$217+ Cheap flights from Incheon Intl (ICN) to Kathmandu (KTM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — KTM
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Incheon Intl to Kathmandu 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.Cheapflights Tip: The best prices from Incheon Intl to Kathmandu Tribhuvan are usually found in March or April, booked 9 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap flight deals from Incheon Intl to Kathmandu
Cheapest
Best
Last-minute
One-way
Cheapest flights from Incheon Intl to KathmanduExplore the most affordable flight options available from Incheon Intl to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Incheon Intl to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:15 pm -
2 stops46h 35m
Tue 10/275:00 pm -
1 stop26h 30m
Deal found 9/12![China Eastern logo]()
$467
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Mon 11/97:25 am -
1 stop11h 50m
Sun 11/295:00 pm -
1 stop26h 30m
Deal found 9/13![China Eastern logo]()
$472
This CheapOair deal was found by Cheapflights users on 9/13. 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.
Mon 9/148:35 pm -
2 stops22h 15m
Sat 10/315:00 pm -
1 stop26h 30m
Deal found 9/13![China Eastern logo]()
$473
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:30 pm -
1 stop23h 55m
Wed 12/3012:10 pm -
1 stop22h 05m
Deal found 9/14![Sichuan Airlines logo]()
$478
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Sun 11/88:50 pm -
2 stops22h 25m
Sun 11/295:00 pm -
2 stops23h 35m
Deal found 9/13![China Eastern logo]()
$483
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:15 pm -
3 stops52h 35m
Tue 9/224:35 pm -
1 stop26h 55m
Deal found 9/14![China Eastern logo]()
$494
This FlightHub deal was found by Cheapflights users on 9/16. 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 11/307:25 am -
1 stop11h 50m
Sat 1/25:00 pm -
2 stops22h 40m
Deal found 9/16![China Eastern logo]()
$496
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Tue 12/16:25 pm -
3 stops48h 50m
Sun 12/65:00 pm -
3 stops24h 30m
Deal found 9/17![China Eastern logo]()
$497
Best flights from Incheon Intl to KathmanduDiscover carefully curated flight deals from Incheon Intl to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Incheon Intl to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Booking.com deal was found by Cheapflights users on 9/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:25 am -
1 stop11h 50m
Tue 11/35:00 pm -
1 stop26h 30m
Deal found 9/12![China Eastern logo]()
$542
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:25 pm -
1 stop28h 30m
Tue 12/157:35 am -
1 stop23h 40m
Deal found 9/12![Air India logo]()
$987
This Korean Air deal was found by Cheapflights users on 9/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2212:30 pm -
Nonstop7h 45m
Tue 2/237:25 pm -
Nonstop5h 50m
Deal found 9/14![Korean Air logo]()
$1,117
This Hahn Air Systems deal was found by Cheapflights users on 9/17. 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 Hahn Air Systems is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/169:15 pm -
2 stops26h 40m
Thu 12/3110:15 am -
2 stops44h 20m
Deal found 9/17![Multiple Airlines logo]()
$1,128
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:00 am -
1 stop14h 45m
Tue 12/1510:55 pm -
1 stop10h 35m
Deal found 9/16![Cathay Pacific logo]()
$1,168
This Qatar Airways deal was found by Cheapflights users on 9/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/163:00 pm -
2 stops29h 45m
Sat 1/25:40 pm -
2 stops33h 35m
Deal found 9/17![Qatar Airways logo]()
$1,284
This Singapore Airlines deal was found by Cheapflights users on 9/12. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:00 pm -
2 stops26h 05m
Mon 12/2110:55 pm -
1 stop19h 50m
Deal found 9/12![Singapore Airlines logo]()
$1,285
This Hahn Air Systems deal was found by Cheapflights users on 9/17. 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 Hahn Air Systems is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/179:15 pm -
2 stops26h 40m
Thu 12/3110:15 am -
2 stops44h 20m
Deal found 9/17![Multiple Airlines logo]()
$1,154
This Cathay Pacific deal was found by Cheapflights users on 9/14. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:55 am -
1 stop22h 50m
Fri 11/2710:55 pm -
1 stop16h 25m
Deal found 9/14![Cathay Pacific logo]()
$1,224
This Sichuan Airlines deal was found by Cheapflights users on 9/12. 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 Sichuan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/144:05 pm -
2 stops22h 20m
Mon 12/2112:10 pm -
2 stops22h 20m
Deal found 9/12![Multiple Airlines logo]()
$1,155
This Qatar Airways deal was found by Cheapflights users on 9/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1812:10 am -
2 stops43h 30m
Sat 1/25:40 pm -
2 stops33h 35m
Deal found 9/17![Qatar Airways logo]()
$1,302
This Sichuan Airlines deal was found by Cheapflights users on 9/12. 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 Sichuan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:05 pm -
2 stops21h 40m
Sat 11/2811:45 am -
2 stops19h 45m
Deal found 9/12![Multiple Airlines logo]()
$1,176
Last-minute flights from Incheon Intl to KathmanduDiscover last-minute flight deals from Incheon Intl to Kathmandu. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Incheon Intl to Kathmandu. Data last updated September 17, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/15. 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.
Wed 9/162:30 pm -
2 stops28h 20m
Mon 10/124:05 pm -
3 stops22h 05m
Deal found 9/15![China Eastern logo]()
$501
This Justfly.com deal was found by Cheapflights users on 9/16. 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.
Sun 9/208:30 am -
3 stops33h 50m
Tue 11/245:00 pm -
2 stops21h 10m
Deal found 9/16![China Eastern logo]()
$500
This Justfly.com deal was found by Cheapflights users on 9/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:40 pm -
2 stops22h 40m
Sun 10/114:35 pm -
1 stop26h 55m
Deal found 9/12![China Eastern logo]()
$504
This CheapOair deal was found by Cheapflights users on 9/17. 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.
Wed 9/308:15 pm -
2 stops46h 05m
Thu 10/295:00 pm -
1 stop26h 30m
Deal found 9/17![China Eastern logo]()
$528
This CheapOair deal was found by Cheapflights users on 9/17. 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.
Fri 10/28:15 pm -
2 stops46h 35m
Wed 10/144:05 pm -
2 stops25h 20m
Deal found 9/17![China Eastern logo]()
$499
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Tue 10/138:55 am -
3 stops33h 25m
Thu 10/224:35 pm -
2 stops21h 35m
Deal found 9/17![China Eastern logo]()
$536
This CheapOair deal was found by Cheapflights users on 9/17. 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 10/176:25 pm -
2 stops24h 25m
Sat 10/315:00 pm -
1 stop26h 30m
Deal found 9/17![China Eastern logo]()
$530
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Tue 10/208:15 pm -
2 stops22h 05m
Tue 11/35:00 pm -
1 stop26h 30m
Deal found 9/15![China Eastern logo]()
$537
One-way flights from Incheon Intl to KathmanduSearch for one-way flight options from Incheon Intl to Kathmandu. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Incheon Intl to Kathmandu. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Sichuan Airlines deal was found by Cheapflights users on 9/13. 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 Sichuan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:30 pm -
1 stop23h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Sichuan Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/27:25 am -
1 stop11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![China Eastern logo]()
$260
This Booking.com deal was found by Cheapflights users on 9/15. 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 12/177:25 am -
1 stop11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![China Eastern logo]()
$274
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/232:20 pm -
2 stops28h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![China Eastern logo]()
$279
This Booking.com deal was found by Cheapflights users on 9/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/26:25 pm -
2 stops24h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![China Eastern logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Wed 12/232:55 pm -
1 stop23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air China logo]()
$288
This Jetabroad deal was found by Cheapflights users on 9/12. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/18:55 am -
3 stops34h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![China Eastern logo]()
$290
This Booking.com deal was found by Cheapflights users on 9/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/12:55 pm -
1 stop23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Air China logo]()
$291
Find flight deals from Incheon Intl to Kathmandu
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) 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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $468 (Justfly.com) |
One-way from | $217 (Sichuan Airlines) |
Popular in | February |
Cheapest in | March |
Average price | $531 |
Cheapflights Fare Finder
Customize your flight search to find flights from Incheon Intl 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Kathmandu that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonKathmandu
ICN Incheon Intl - KTM Kathmandu Tribhuvan
ICNKTM
Incheon Intl
Thu 12/10
2:30 pm-11:10 am
1 stop23h 55m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-3:30 am
Nonstop0h 00m
$217
Quickest round-trip
IncheonKathmandu
ICN Incheon Intl - KTM Kathmandu Tribhuvan
ICNKTM
Incheon Intl
Mon 11/2
7:25 am-4:00 pm
1 stop11h 50m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-3:30 am
Nonstop0h 00m
$260
IncheonKathmandu
ICN Incheon Intl - KTM Kathmandu Tribhuvan
ICNKTM
Incheon Intl
Wed 12/23
12:00 pm-4:00 pm
3 stops31h 15m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-3:30 am
Nonstop0h 00m
$279
IncheonKathmandu
ICN Incheon Intl - KTM Kathmandu Tribhuvan
ICNKTM
Incheon Intl
Mon 3/1
6:25 pm-4:00 pm
2 stops24h 50m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-3:30 am
Nonstop0h 00m
$279
IncheonKathmandu
ICN Incheon Intl - KTM Kathmandu Tribhuvan
ICNKTM
Incheon Intl
Thu 12/17
8:50 pm-4:00 pm
2 stops22h 25m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-3:30 am
Nonstop0h 00m
$280
IncheonKathmandu
ICN Incheon Intl - KTM Kathmandu Tribhuvan
ICNKTM
Incheon Intl
Tue 3/2
6:25 pm-4:00 pm
2 stops24h 50m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-3:30 am
Nonstop0h 00m
$281
IncheonKathmandu
ICN Incheon Intl - KTM Kathmandu Tribhuvan
ICNKTM
Incheon Intl
Wed 12/23
2:55 pm-10:55 am
1 stop23h 15m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-3:30 am
Nonstop0h 00m
$288
IncheonKathmandu
ICN Incheon Intl - KTM Kathmandu Tribhuvan
ICNKTM
Incheon Intl
Sat 3/6
2:55 pm-10:55 am
1 stop23h 15m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-3:30 am
Nonstop0h 00m
$291
IncheonKathmandu
ICN Incheon Intl - KTM Kathmandu Tribhuvan
ICNKTM
Incheon Intl
Wed 10/21
8:15 pm-3:35 pm
2 stops22h 35m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-3:30 am
Nonstop0h 00m
$313
IncheonKathmandu
ICN Incheon Intl - KTM Kathmandu Tribhuvan
ICNKTM
Incheon Intl
Tue 10/27
7:25 am-4:00 pm
1 stop11h 50m
Kathmandu Tribhuvan
Tue 11/3
5:00 pm-10:45 pm
1 stop26h 30m
$542
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Incheon Intl 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 Incheon Intl to Kathmandu in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Incheon Intl Airport-Kathmandu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Kathmandu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Kathmandu flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Incheon Intl Airport-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 Incheon Intl Airport-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 Incheon Intl to Kathmandu
Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Incheon Intl with our price prediction graph.
ICN-KTM
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 Incheon Intl Airport to Kathmandu
Prices
Delays
More
How far ahead should I book a flight from Incheon Intl Airport to Kathmandu?
The price you pay for your flight from Incheon Intl Airport to Kathmandu may vary depending on when you book. For the best chance of a lower fare, look to book 8 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Incheon Intl Airport to Kathmandu?
Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Kathmandu (average of $472). Flying from Incheon Intl Airport to Kathmandu in February is currently the most expensive (average of $629). 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 ICN to KTM?
Find hourly flight availability from Incheon Intl 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 September 17, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Incheon Intl Airport to Kathmandu as you normally would.
How often are flights from Incheon to Kathmandu delayed?
About 35% of weekly flights between Incheon and Kathmandu have experienced delays in the past year, with the average delay time being 122 minutes.
What is the most punctual flight time for Incheon to Kathmandu flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to Kathmandu flights?
Over the last year, Korean Air have had the lowest number of delays on this route, with just 35% of flights being delayed.
What’s the top layover airport for flights from Incheon Intl Airport to Kathmandu?
Share of 1-stop round-trip flights from Incheon Intl Airport to Kathmandu chosen by Cheapflights users in the past 12 months, using the same layover each way.
Guangzhou (CAN) – chosen by Cheapflights users on 94% of 1-stop itineraries from Incheon Intl Airport to Kathmandu on Cheapflights.
What’s the cheapest layover airport for flights from Incheon Intl Airport to Kathmandu?
Average round-trip fare for 1-stop flights from Incheon Intl Airport 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 $533.
What’s the fastest layover option from Incheon Intl Airport to Kathmandu?
Shortest average travel time for 1-stop one-way flights from Incheon Intl Airport to Kathmandu, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Guangzhou (CAN) have the shortest average one-way travel time for 1-stop routes: 10h 37m.
Which airport typically offers the quickest layover for flights from Incheon Intl Airport to Kathmandu?
Average layover duration for 1-stop one-way flights from Incheon Intl Airport to Kathmandu, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Guangzhou (CAN) offer the fastest connection on this route, with an average layover time of 2h 48m.
The best insider tips for Incheon Intl Airport to Kathmandu flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to Kathmandu trip
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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 September 17, 2026.
See what other customers who have flown with Korean Air,Thai Airways, andAir China from Incheon Intl Airport to Kathmandu have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.3
Boarding
8.5
Food
8.1
Entertainment
8.2
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Boarding
8.5
Food
8.1
Entertainment
8.2
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Boarding
8.5
Food
8.1
Entertainment
8.2
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Boarding
8.5
Food
8.1
Entertainment
8.2
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Boarding
8.5
Food
8.1
Entertainment
8.2
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Boarding
8.5
Food
8.1
Entertainment
8.2
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
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Top 5 airlines flying from Incheon Intl to Kathmandu
Discover the top 5 airlines that operate flights from Incheon Intl 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$289 | Average$406 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$293 | Average$341 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$408 | Average$578 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$600 | Average$671 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$734 | Average$955 | FlexibilityNo cancel fee | On-time81% |