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Kathmandu

$178+ Cheap flights from Incheon Intl (ICN) 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — KTM
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to Kathmandu Tribhuvan are usually found in June or May, booked 85 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap 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 11, 2025.

Round-trip from

$422
(Expedia)

One-way from

$178
(Mytrip)

Popular in

October

Cheapest in

June

Average price

$612

Good round-trip deal

$910 or less

Good one-way deal

$498 or less
From Incheon Intl to Kathmandu Tribhuvan
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One-way flight from Incheon Intl to Kathmandu Tribhuvan
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Highest demand for flights based on searches. 15% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Incheon Intl to Kathmandu Tribhuvan.
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Price to beat on a one-way flight from Incheon Intl to Kathmandu Tribhuvan.
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Find flight deals from Incheon Intl to Kathmandu

Cheapest flights from Incheon Intl to Kathmandu
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 11, 2025.

This OneTravel deal was found by Cheapflights users on 9/10. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:45 pmICN - KTM
1 stop22h 20mChina Southern
Thu 9/1812:50 pmKTM - ICN
1 stop23h 20mChina Southern
Deal found 9/10$422
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:15 pmICN - KTM
1 stop22h 30mChina Southern
Sun 1/412:30 pmKTM - ICN
1 stop23h 30mChina Southern
Deal found 9/10$430
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/173:15 pmICN - KTM
1 stop23h 50mChina Southern
Tue 12/212:30 pmKTM - ICN
1 stop28h 50mChina Southern
Deal found 9/11$438
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/44:15 pmICN - KTM
1 stop22h 30mChina Southern
Fri 11/1412:30 pmKTM - ICN
1 stop23h 30mChina Southern
Deal found 9/9$443
This CheapOair deal was found by Cheapflights users on 9/8. 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.
Tue 12/162:50 pmICN - KTM
1 stop11h 20mChina Southern
Wed 2/412:30 pmKTM - ICN
1 stop28h 50mChina Southern
Deal found 9/8$464
This China Southern deal was found by Cheapflights users on 9/11. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/282:50 pmICN - KTM
1 stop23h 55mChina Southern
Sat 12/612:30 pmKTM - ICN
1 stop23h 30mChina Southern
Deal found 9/11$465
This China Southern deal was found by Cheapflights users on 9/9. 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.
Sun 11/92:50 pmICN - KTM
1 stop11h 20mChina Southern
Fri 11/1412:30 pmKTM - ICN
1 stop23h 30mChina Southern
Deal found 9/9$468
This China Southern deal was found by Cheapflights users on 9/11. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/292:50 pmICN - KTM
1 stop11h 20mChina Southern
Thu 12/411:55 pmKTM - ICN
1 stop17h 25mChina Southern
Deal found 9/11$473
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 11/3010:55 amICN - KTM
1 stop15h 15mMultiple Airlines
Sat 12/62:15 pmKTM - ICN
2 stops36h 30mMultiple Airlines
Deal found 9/11$476
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/2910:55 amICN - KTM
1 stop27h 50mChina Southern
Fri 12/511:55 pmKTM - ICN
1 stop10h 40mChina Southern
Deal found 9/11$481
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:50 amICN - KTM
1 stop11h 25mChina Eastern
Sun 1/44:35 pmKTM - ICN
2 stops24h 50mChina Eastern
Deal found 9/10$482
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/292:50 pmICN - KTM
1 stop11h 20mMultiple Airlines
Thu 12/42:15 pmKTM - ICN
2 stops36h 30mMultiple Airlines
Deal found 9/11$487

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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Kathmandu that are best for you.

Fly from

Incheon Intl

Fly to

Kathmandu

Route

Depart

Return

Price

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Sat 1/17

12:10 am-9:45 pm

1 stop24h 50m

Kathmandu Tribhuvan

Fri 1/23

10:45 pm-9:45 pm

1 stop19h 45m

$816

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Thu 12/25

12:10 am-12:00 pm

1 stop15h 05m

Kathmandu Tribhuvan

Sun 2/1

10:45 pm-6:30 am

1 stop28h 30m

$891

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Wed 11/26

12:10 am-9:45 pm

1 stop24h 50m

Kathmandu Tribhuvan

Thu 12/11

10:45 pm-9:45 pm

1 stop19h 45m

$891

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

$909

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Sun 12/7

12:10 am-9:45 pm

1 stop24h 50m

Kathmandu Tribhuvan

Tue 12/23

10:45 pm-9:45 pm

1 stop19h 45m

$943

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Sun 12/28

12:10 am-12:00 pm

1 stop15h 05m

Kathmandu Tribhuvan

Sat 1/31

1:00 pm-9:45 pm

1 stop29h 30m

$974

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Thu 11/27

12:10 am-9:45 pm

1 stop24h 50m

Kathmandu Tribhuvan

Thu 12/4

10:45 pm-9:45 pm

1 stop19h 45m

$986

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Wed 11/5

2:50 pm-11:30 am

1 stop23h 55m

$187

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Wed 11/12

4:15 pm-11:30 am

1 stop22h 30m

$187

IncheonKathmandu

ICN - KTM

ICNKTM

Incheon Intl

Tue 10/21

4:45 pm-11:50 am

1 stop22h 20m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 15 results
1
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The best insider tips for Incheon Intl Airport to Kathmandu flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to Kathmandu trip
Airports
ICN

Security at ICN can have lines up to 20 minutes. Plan extra time to avoid stress, especially during busy periods.

Read more about ICNby Gabriel Leigh
KTM

For a smoother arrival at KTM, arrange transportation in advance through your hotel or use rideshare apps like Pathao or inDrive.

Read more about KTMby Sharad Ranabhat
Our travel experts
Sharad Ranabhat

Sharad Ranabhat

Expert on KTM

Sharad Ranabhat

Sharad Ranabhat

Sharad, a Nepal-based aviation journalist, is passionate about uncovering the latest in airline news and airport reviews. When he's not diving into the world of aviation, you’ll find him exploring new destinations and sharing stories that connect and inspire.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

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.
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

How far ahead should I book a flight from Incheon Intl Airport to Kathmandu?

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Kathmandu. Price data was last updated on August 29, 2025.

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 85 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, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Kathmandu (average of $1,206). Flying from Incheon Intl Airport 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 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 11, 2025.

It’s typically best to fly out from Incheon Intl Airport to Kathmandu in the evening. Doing so could potentially save you 64% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Incheon Intl Airport to Kathmandu?

Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to Kathmandu. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Incheon Intl Airport to Kathmandu flight should consider departing on Saturday evenings when fares are most often at their lowest. Wednesday 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 Incheon Intl Airport to Kathmandu?

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 11, 2025.
See what other customers who have flown with Korean Air, Thai Airways, and China Southern 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.
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
350 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
110 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
165 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
99 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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 Incheon Intl 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 Incheon Intl?

    Kathmandu Tribhuvan (KTM), located 2.5 mi from the city center, is the airport you fly into when you book flights from Incheon Intl to Kathmandu. 8 airlines have flights to Tribhuvan from Incheon Intl on a regular basis. Booking flights from Incheon Intl to Kathmandu Tribhuvan should not be difficult; the airport handles an average of 0 inbound flights from Incheon Intl per day.

  • How popular is this Incheon Intl Airport to Kathmandu flight route?

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

  • How long is the flight from Incheon Intl Airport to Kathmandu?

    Malaysia Airlines can get you from Incheon Intl Airport to Kathmandu in just under 24h 50m. Your travel time can differ by up to . Incheon Intl Airport and Kathmandu are separated by a distance of 2463 mi.

  • What are the cheapest airlines flying from Incheon Intl Airport to Kathmandu round-trip?

    According to our current data, Air China ($348), China Eastern ($359), and China Southern ($373) offers the cheapest pricing from Incheon Intl Airport to Kathmandu. Air China is priced at 34% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Incheon Intl Airport to Kathmandu?

    Looking at all options, your cheapest flight can be booked for $442. While the most popular route (Incheon Intl - Kathmandu Tribhuvan) can be booked for $474 on average, our data indicates $785 when flying from Incheon Intl Airport to Kathmandu.

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

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

  • How can I find direct flights from Incheon Intl to Kathmandu?

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl Airport to Kathmandu?

    Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Kathmandu (average of $1,206). Flying from Incheon Intl Airport 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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Complete your trip

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Top 8 airlines flying from Incheon Intl to Kathmandu

Discover the top 8 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$348Average$505FlexibilityNo cancel feeOn-time67%
China EasternCheapest$359Average$458FlexibilityNo cancel feeOn-time62%
China SouthernCheapest$373Average$501FlexibilityNo cancel feeOn-time69%
Air IndiaCheapest$555Average$680FlexibilityNo cancel feeOn-timeN/A
Thai AirwaysCheapest$621Average$681FlexibilityNo cancel feeOn-time77%
Batik AirCheapest$638Average$850FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$664Average$1,219FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$881Average$988FlexibilityNo cancel feeOn-time72%

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