Flight tickets from Seoul to Kathmandu

Compare Seoul to Kathmandu flight deals

Find the cheapest month or even day of the year to fly to Kathmandu

Book the best Kathmandu fare with no extra fees

Flight deals from Seoul to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Seoul to Kathmandu? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seoul to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seoul to Kathmandu flights are currently cheapest in January.

Direct flights from Seoul to Kathmandu

Seoul to Kathmandu: Alternative routes

Compare routes from Seoul to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

Seoul to Kathmandu: Flight information

The things to know before you go.
Cheapest flight found₹ 11,489
Cheapest month to flyJanuary
Average flight time7 hrs, 15 mins
Most popular airlineKorean Air
Average flights per week4

Finding cheap flights from Seoul to Kathmandu: Frequently asked questions

The best price we found for a return flight from Seoul to Kathmandu is ₹ 24,523. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
7 hours and 15 minutes is the average flight time from Seoul to Kathmandu.
Korean Air flies direct from Seoul to Kathmandu.
As of January 2026, there are 4 flights per week flying from Seoul to Kathmandu.
The cheapest month to fly from Seoul to Kathmandu is usually January.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Kathmandu Airport on Tuesday, 27 January 2026.
Yes – the average flight time is 7 hours and 15 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kathmandu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Seoul to Tribhuvan International Airport (KTM): What you need to know

  • Seoul is home to two main airports where you can set off on your adventure. Check out your options for reserving a flight from Seoul to Tribhuvan International Airport (KTM) departing from Incheon International Airport (ICN) or Gimpo International Airport (GMP).

  • Take off on a direct Seoul to Tribhuvan International Airport flight and you'll be in the air for around 6 hours 55 minutes.

  • Kathmandu is three hours 12 minutes behind Seoul. Tribhuvan International Airport is located in Kathmandu, which runs on the UTC+5:47 timezone.

  • To ensure you catch your flight from Seoul to KTM, allow plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • With more people on the move during peak seasons, you'll want to get to your terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will help you stay ahead of the crowds.

Airports in Seoul

Incheon International Airport (ICN)

  • You can find a direct flight from Seoul to Tribhuvan International Airport (KTM) leaving from Incheon International Airport (ICN).

  • Korean Air is a leading airline that offers direct flights from Seoul to Tribhuvan International Airport jetting out of ICN.

  • Most travellers choose to book seats with Korean Air from ICN to KTM.

  • Among carriers operating on this route, Korean Air has the best track record for timely arrivals.

  • Consider adding a stopover to find cheap flights from Seoul to KTM. Simply uncheck 'Direct flights only' when searching for departures from Incheon International Airport (ICN). Break the trip up (and maybe score a better deal) by stopping at one of these airports:

    • Guangzhou Baiyun International Airport (CAN)

    • Suvarnabhumi Airport (BKK)

    • Hong Kong International Airport (HKG)

  • ICN is roughly 48 kilometres from central Seoul. To help work out how to get there, use Google Maps. This handy traveller tool will show you the fastest route and your public transport options.

  • Booked an early flight from Seoul to Tribhuvan International Airport? Avoid the mad dash to the terminal (and sneak in some bonus sleep) by choosing one of these stays close to Incheon International Airport:

  • Of the departures from Incheon International Airport, 54.5% land on time at their destination.

Gimpo International Airport (GMP)

  • GMP is around 16 kilometres from the centre of Seoul. Plan ahead to work out the best way to arrive at your terminal.

  • Start your holiday early with an additional night away from home. Before catching your Seoul to KTM flight, unwind in one of these hotels near Gimpo International Airport:

  • Looking at how often flights stay on schedule, Gimpo International Airport has an on-time arrival performance of 75.94%.

About Tribhuvan International Airport (KTM)

  • Have a late flight from Seoul to Tribhuvan International Airport? Don't let it end in exhaustion. Stay at one of these hotels near KTM and give yourself a well-earned lights-out:

  • Grab a Tribhuvan International Airport rental car and explore corners of Kathmandu that aren't on every traveller's list. Find your ideal set of wheels with Spark Car.

  • Lock in the best rate by reserving your vehicle around one week before your Seoul to Tribhuvan International Airport flight.

How to find the cheapest flights from Seoul to Tribhuvan International Airport (KTM)

  • ₹ 11,489 is currently the lowest price for a one-way ticket from Seoul to Tribhuvan International Airport. Return flights start at ₹ 24,523. These prices may change depending on demand and availability.

  • To snag cheap flights from Seoul to KTM, book your flight ticket 11 months before your departure date.

  • April is when you're most likely to find a bargain on a Seoul to Tribhuvan International Airport ticket. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • Stay on top of deals for flight tickets from Seoul to KTM by creating a Price Alert. We'll send you an email or push notification on the app when prices go down.

  • Tailor your flights using filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Seoul to Tribhuvan International Airport.

The best time to fly from Seoul to Tribhuvan International Airport (KTM)

  • February is the quietest month for flights from Seoul to Tribhuvan International Airport (KTM), while October is the busiest. Find the ideal time to visit Kathmandu based on whether you like a bustling atmosphere or a more laid-back vibe.

  • When booking your Seoul to KTM flight ticket, consider what kind of weather you prefer. June is the warmest month in Kathmandu, with temperatures ranging from 17ºC to 28ºC.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from Seoul to Tribhuvan International Airport in January when temperatures are between 3ºC and 18ºC.

More about Kathmandu

  • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in Kathmandu right here. Check out these hotels as soon as you've booked your flight from Seoul to Tribhuvan International Airport:

  • Your Kathmandu trip should come with a bit of sightseeing. Major attractions that are worth your time include Kathmandu Durbar Square, Annapurna Base Camp Trek and Himalaya Discovery.

Explore more of Nepal

  • Kathmandu has loads to offer, but there are so many other corners of Nepal you'll want to see. About 145 kilometres north-west of Kathmandu, a trip to Pokhara will keep your itinerary packed. Start with popular sights like Viewpoint, Pokhara Lakeside and Sarangkot sunrise pokhara.

  • Around 241 kilometres south-east of Kathmandu, Biratnagar is another favourite stop in Nepal. Experience this destination's highlights firsthand at Haleshi Mahadev Mandir, Birateshwor Shiva Temple and Shiva Mandir.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.