$168 Cheap Flights from Seoul (ICN) to Kathmandu (KTM)

View $168 flight on Wed, Jun 11, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Seoul to Kathmandu (ICN-KTM)

Prices were available within the past 7 days and start at $168 for one-way flights and $328 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Wed, May 14 - Wed, May 21
ICN
Seoul
KTM
Kathmandu
$328 Roundtrip, found 1 day ago
$328
Roundtrip
found 1 day ago
Select Air China flight, departing Wed, May 14 from Seoul to Kathmandu, returning Wed, May 21, priced at $328 found 1 day ago
China Southern Airlines
Mon, Jun 23 - Thu, Jul 3
ICN
Seoul
KTM
Kathmandu
$329 Roundtrip, found 6 hours ago
$329
Roundtrip
found 6 hours ago
Select China Southern Airlines flight, departing Mon, Jun 23 from Seoul to Kathmandu, returning Thu, Jul 3, priced at $329 found 6 hours ago
SriLankan Airlines
Wed, Jun 18 - Sun, Jun 22
ICN
Seoul
KTM
Kathmandu
$335 Roundtrip, found 2 days ago
$335
Roundtrip
found 2 days ago
Select SriLankan Airlines flight, departing Wed, Jun 18 from Seoul to Kathmandu, returning Sun, Jun 22, priced at $335 found 2 days ago
China Southern Airlines
Wed, Jun 18 - Sat, Jul 5
ICN
Seoul
KTM
Kathmandu
$336 Roundtrip, found 2 days ago
$336
Roundtrip
found 2 days ago
Select China Southern Airlines flight, departing Wed, Jun 18 from Seoul to Kathmandu, returning Sat, Jul 5, priced at $336 found 2 days ago
Air China
Tue, May 13 - Sat, Jun 21
ICN
Seoul
KTM
Kathmandu
$337 Roundtrip, found 23 hours ago
$337
Roundtrip
found 23 hours ago
Select Air China flight, departing Tue, May 13 from Seoul to Kathmandu, returning Sat, Jun 21, priced at $337 found 23 hours ago
Air China
Thu, May 8 - Thu, Jun 5
ICN
Seoul
KTM
Kathmandu
$338 Roundtrip, found 5 days ago
$338
Roundtrip
found 5 days ago
Select Air China flight, departing Thu, May 8 from Seoul to Kathmandu, returning Thu, Jun 5, priced at $338 found 5 days ago
Air China
Wed, May 14 - Thu, May 22
ICN
Seoul
KTM
Kathmandu
$350 Roundtrip, found 6 hours ago
$350
Roundtrip
found 6 hours ago
Select Air China flight, departing Wed, May 14 from Seoul to Kathmandu, returning Thu, May 22, priced at $350 found 6 hours ago
China Eastern Airlines
Tue, May 27 - Sat, Jun 14
ICN
Seoul
KTM
Kathmandu
$351 Roundtrip, found 2 hours ago
$351
Roundtrip
found 2 hours ago
Select China Eastern Airlines flight, departing Tue, May 27 from Seoul to Kathmandu, returning Sat, Jun 14, priced at $351 found 2 hours ago
China Southern Airlines
Sun, May 11 - Mon, May 26
ICN
Seoul
KTM
Kathmandu
$352 Roundtrip, found 5 days ago
$352
Roundtrip
found 5 days ago
Select China Southern Airlines flight, departing Sun, May 11 from Seoul to Kathmandu, returning Mon, May 26, priced at $352 found 5 days ago
China Eastern Airlines
Tue, May 27 - Wed, Jun 18
ICN
Seoul
KTM
Kathmandu
$358 Roundtrip, found 2 hours ago
$358
Roundtrip
found 2 hours ago
Select China Eastern Airlines flight, departing Tue, May 27 from Seoul to Kathmandu, returning Wed, Jun 18, priced at $358 found 2 hours ago
Flights from Seoul (ICN) to Kathmandu (KTM)
Origin airport
Incheon Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Air China, Air India, Batik air , Cathay Pacific, China Eastern Airlines, China Southern Airlines, Korean Air, Malaysia Airlines, Qatar Airways, Sichuan Airlines, Thai Airways International
Roundtrip price
$327
Distance
2464 mi

Seoul to Kathmandu Flights

The cheapest times to fly from Seoul to Kathmandu

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 Seoul to Kathmandu are during the month of May. You can find some of the cheapest flights from Seoul to Kathmandu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Kathmandu

Sunday is one of the best days to book for cheap flights from Seoul to Kathmandu: 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 Seoul to Kathmandu

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 Seoul to Kathmandu in 2025. You can also book with separate airlines for your outbound and return journeys, from $168 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 Seoul to Kathmandu 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 Seoul to Kathmandu 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 Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM) cost?
Snag cheap return fares starting from $679 from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM). 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 ICN on May 26 2025 and touching down at KTM. The price was last updated on April 30 2025 and has not changed since.
What is the cheapest month to fly from ICN to KTM?
The cheapest flights from ICN to KTM 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 Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM)?
Take a direct flight with Korean Air and journey straight from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM).
What is the cheapest airline that flies from ICN to KTM?
Jet off from ICN to KTM with Korean Air. This carrier currently offers the lowest one-way fare on this route, starting at $450. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ICN on July 25 2025. Prices were last updated on April 30 2025 and have not changed since.
How many flights per day from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM)?
On average, Incheon Intl. Airport (ICN) offers 3 direct flights to Tribhuvan Intl. Airport (KTM) every week. If you want more options, use Expedia’s filters to search for flights with a layover. Squeeze in a visit to another destination or simply break up your trip.
What are the most popular departure times for flights from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM)?
More people fly between ICN and KTM at 12 PM than at any other time. Looking for a quieter experience? Consider flying outside peak hours and you could save on your fare as well.
What day of the week has the most flights from ICN to KTM?
If you travel on a Friday, you’ll get the widest range of choices for flights from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM).
What is the earliest flight from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM)?
The first flight of the day out of Incheon Intl. Airport (ICN) is at around 12:45PM UTC+9. Board this plane and you’ll land at Tribhuvan Intl. Airport (KTM) at approximately 5:30PM UTC+5. The total travel time is 8h.
How long does it take to fly from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM)?
Typically, it takes 8 hours to travel the 2,500 mi from ICN to KTM.
What airline has the least delays from ICN to KTM?
With 84% of journeys typically arriving on schedule, Korean Air has the best on-time performance for nonstop flights from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM). To monitor your flight status and receive notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM)?
To touch down at Tribhuvan Intl. Airport (KTM) on time, select a flight that takes off from Incheon Intl. Airport (ICN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Kathmandu from Incheon Intl. Airport (ICN)?
Check out your flight options from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM). This is the only airport in Kathmandu you can touch down at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM) last-minute?
Booking your flight from ICN to KTM just before your getaway is typically more expensive. However, if you’re flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an ICN to KTM flight and hotel package?
You can save money by booking an ICN to KTM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one place. Once you’ve selected your ideal accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Tribhuvan Intl. Airport (KTM)?
You can usually reschedule or cancel your ICN to KTM flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.