$271 Cheap Flights from Kathmandu (KTM) to Seoul (ICN)

View $271 flight on Thu, Jun 19, 2025Opens in a new window

Popular airlines from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN)

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Find available prices by choosing your travel dates.

Cheap Flights from Kathmandu to Seoul (KTM-ICN)

Prices were available within the past 7 days and start at $271 for one-way flights and $434 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Tue, Jun 10 - Fri, Jun 13
KTM
Kathmandu
ICN
Seoul
$434 Roundtrip, found 16 hours ago
$434
Roundtrip
found 16 hours ago
Select China Eastern Airlines flight, departing Tue, Jun 10 from Kathmandu to Seoul, returning Fri, Jun 13, priced at $434 found 16 hours ago
China Eastern Airlines
Mon, Jun 2 - Sun, Jun 8
KTM
Kathmandu
ICN
Seoul
$435 Roundtrip, found 6 days ago
$435
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Mon, Jun 2 from Kathmandu to Seoul, returning Sun, Jun 8, priced at $435 found 6 days ago
China Eastern Airlines
Tue, Jun 10 - Fri, Jun 13
KTM
Kathmandu
ICN
Seoul
$437 Roundtrip, found 16 hours ago
$437
Roundtrip
found 16 hours ago
Select China Eastern Airlines flight, departing Tue, Jun 10 from Kathmandu to Seoul, returning Fri, Jun 13, priced at $437 found 16 hours ago
China Eastern Airlines
Mon, Jun 2 - Sat, Jun 7
KTM
Kathmandu
ICN
Seoul
$440 Roundtrip, found 6 days ago
$440
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Mon, Jun 2 from Kathmandu to Seoul, returning Sat, Jun 7, priced at $440 found 6 days ago
China Eastern Airlines
Sun, Jun 15 - Wed, Jun 18
KTM
Kathmandu
ICN
Seoul
$441 Roundtrip, found 16 hours ago
$441
Roundtrip
found 16 hours ago
Select China Eastern Airlines flight, departing Sun, Jun 15 from Kathmandu to Seoul, returning Wed, Jun 18, priced at $441 found 16 hours ago
China Eastern Airlines
Fri, Jun 20 - Mon, Jun 23
KTM
Kathmandu
ICN
Seoul
$463 Roundtrip, found 16 hours ago
$463
Roundtrip
found 16 hours ago
Select China Eastern Airlines flight, departing Fri, Jun 20 from Kathmandu to Seoul, returning Mon, Jun 23, priced at $463 found 16 hours ago
China Southern Airlines
Mon, May 26 - Thu, May 29
KTM
Kathmandu
ICN
Seoul
$548 Roundtrip, found 16 hours ago
$548
Roundtrip
found 16 hours ago
Select China Southern Airlines flight, departing Mon, May 26 from Kathmandu to Seoul, returning Thu, May 29, priced at $548 found 16 hours ago
Air China
Sat, Jun 21 - Sat, Jul 5
KTM
Kathmandu
ICN
Seoul
$569 Roundtrip, found 16 hours ago
$569
Roundtrip
found 16 hours ago
Select Air China flight, departing Sat, Jun 21 from Kathmandu to Seoul, returning Sat, Jul 5, priced at $569 found 16 hours ago
Sichuan Airlines
Mon, Jun 23 - Thu, Jun 26
KTM
Kathmandu
ICN
Seoul
$616 Roundtrip, found 16 hours ago
$616
Roundtrip
found 16 hours ago
Select Sichuan Airlines flight, departing Mon, Jun 23 from Kathmandu to Seoul, returning Thu, Jun 26, priced at $616 found 16 hours ago
Thai Airways International
Fri, May 30 - Wed, Jun 4
KTM
Kathmandu
ICN
Seoul
$649 Roundtrip, found 6 days ago
$649
Roundtrip
found 6 days ago
Select Thai Airways International flight, departing Fri, May 30 from Kathmandu to Seoul, returning Wed, Jun 4, priced at $649 found 6 days ago
Flights from Kathmandu (KTM) to Seoul (ICN)
Origin airport
Tribhuvan Intl.
Destination airport
Incheon Intl.
Airlines serving
Air China, Air India, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Korean Air, Malaysia Airlines, Qatar Airways, Sichuan Airlines, SriLankan Airlines, Thai Airways International
Roundtrip price
$434
Distance
2464 mi

Kathmandu to Seoul Flights

The cheapest times to fly from Kathmandu to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kathmandu to Seoul are during the month of June. You can find some of the cheapest flights from Kathmandu to Seoul with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Kathmandu to Seoul

Sunday is one of the best days to book for cheap flights from Kathmandu to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Kathmandu to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kathmandu to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $271 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kathmandu to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kathmandu to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN) cost?
Score cheap return flights from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN) starting from $700. Grab your seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Korean Air flight leaving KTM on May 16 2025 and touching down at ICN. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from KTM to ICN?
The cheapest flights from KTM to ICN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN)?
When jetting out of Tribhuvan Intl. Airport (KTM), you can get on a direct flight to Incheon Intl. Airport (ICN) with Korean Air.
What is the cheapest airline that flies from KTM to ICN?
Jet off from KTM to ICN with Korean Air. This carrier currently has the cheapest one-way ticket for this route, starting at $611. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KTM on July 7 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN)?
On average, you can pick from 3 direct flights per week from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN). To broaden your travel options, consider a flight with a layover. Just enter your dates on Expedia and then filter your search to include one or more stops.
What are the most popular departure times for flights from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN)?
Flights between KTM and ICN tend to be busiest at 7 PM. If you want a less crowded experience and potentially cheaper fares, choose a departure that’s outside typical rush times.
What day of the week has the most flights from KTM to ICN?
Friday has the most flights from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN). Consider taking off on this day and you’ll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN)?
Catch the earliest flight at around 7:20PM UTC+5, leaving from Tribhuvan Intl. Airport (KTM). You’ll be in the air for around 5h 55m, touching down at Incheon Intl. Airport (ICN) at approximately 4:30AM UTC+9.
How long does it take to fly from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN)?
Flights from KTM to ICN have an average travel time of 5 hours and 55 minutes. The distance between the two airports is 2,500 mi.
What airline has the least delays from KTM to ICN?
Korean Air has the best track record for on-time direct flights from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN), with an on-time rating of 84%. Use the Expedia App to see your journey status before you head off and receive notifications about any trip changes.
What is the best time to fly from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN)?
To avoid potential delays on the Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN) route, aim to fly before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Seoul from Tribhuvan Intl. Airport (KTM)?
Incheon Intl. Airport (ICN) is the only airport in Seoul with direct flights from Tribhuvan Intl. Airport (KTM). Explore the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN) last-minute?
Waiting until right before your break to book a flight from KTM to ICN often results in higher prices. While you may find some last-minute discounts, they’re not always guaranteed. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book a KTM to ICN flight and hotel package?
You’ll typically save money by securing a KTM to ICN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After choosing your ideal accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Tribhuvan Intl. Airport (KTM) to Incheon Intl. Airport (ICN)?
In most cases, you’re able to reschedule or cancel your KTM to ICN flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline’s fees and rules on flight changes, or if you’d like further information, visit our Customer Service portal.

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*Available to One Key members.