£276 Cheap Flights from Kathmandu (KTM) to Seoul (SELA)

Q: How many airports are there in Seoul?

There are 2 airports in Seoul: Gimpo International and Incheon International.

Q: How much are return flights from Kathmandu to Seoul?

The best price we found for a return flight from Kathmandu to Seoul is £276. 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.

Q: How long does it take to fly from Kathmandu to Seoul?

6 hours and 13 minutes is the average flight time from Kathmandu to Seoul.

Q: Which airlines fly direct from Kathmandu to Seoul?

Korean Air flies direct from Kathmandu to Seoul.

Q: How many flights are there a week from Kathmandu to Seoul?

As of June 2025, there are 2 flights per week flying from Kathmandu to Seoul.

Q: When is the cheapest time to fly from Kathmandu to Seoul?

The cheapest month to fly from Kathmandu to Seoul is usually June 2025.

Q: Which is the cheapest airport to fly into in Seoul?

If you're flying from Kathmandu Airport, the cheapest airport near Seoul is Incheon International – which is 29.7 miles away from the centre of Seoul. We've found flights into this airport from £276 .

Q: Which upcoming date is cheapest to fly from Kathmandu Airport to Seoul on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Seoul on Thursday, 4 September 2025 .

Q: Can I get a direct flight from Kathmandu Airport to Seoul?

Yes – the average flight time is 6 hours and 13 minutes.

Q: How can I get the best flight deal from Kathmandu Airport to Seoul?

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 Seoul 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.

Compare Kathmandu to Seoul flight deals

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

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Flight deals from Kathmandu to Seoul

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

Seoul.£276 per passenger.Departing Thu, 4 Sep, returning Sun, 7 Sep.Return flight with Thai AirAsia and Thai AirAsia X.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Thu, 4 Sep, arriving in Incheon International.Inbound indirect flight with Thai AirAsia X, departs from Incheon International on Sun, 7 Sep, arriving in Kathmandu.Price includes taxes and charges.From £276, select.

Seoul.£292 per passenger.Departing Tue, 29 Jul, returning Tue, 5 Aug.Return flight with IndiGo and Sichuan Airlines.Outbound indirect flight with IndiGo, departs from Kathmandu on Tue, 29 Jul, arriving in Incheon International.Inbound indirect flight with Sichuan Airlines, departs from Incheon International on Tue, 5 Aug, arriving in Kathmandu.Price includes taxes and charges.From £292, select.

Seoul.£294 per passenger.Departing Tue, 15 Jul, returning Tue, 22 Jul.Return flight with Thai AirAsia and Sichuan Airlines.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Tue, 15 Jul, arriving in Incheon International.Inbound indirect flight with Sichuan Airlines, departs from Incheon International on Tue, 22 Jul, arriving in Kathmandu.Price includes taxes and charges.From £294, select.

Seoul.£318 per passenger.Departing Thu, 19 Jun, returning Thu, 26 Jun.Return flight with China Eastern and Sichuan Airlines.Outbound indirect flight with China Eastern, departs from Kathmandu on Thu, 19 Jun, arriving in Incheon International.Inbound indirect flight with Sichuan Airlines, departs from Incheon International on Thu, 26 Jun, arriving in Kathmandu.Price includes taxes and charges.From £318, select.

Seoul.£318 per passenger.Departing Fri, 1 Aug, returning Fri, 15 Aug.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from Kathmandu on Fri, 1 Aug, arriving in Incheon International.Inbound indirect flight with China Eastern, departs from Incheon International on Fri, 15 Aug, arriving in Kathmandu.Price includes taxes and charges.From £318, select.

Seoul.£335 per passenger.Departing Sat, 25 Oct, returning Sat, 1 Nov.Return flight with Thai AirAsia and SriLankan Airlines.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Sat, 25 Oct, arriving in Incheon International.Inbound indirect flight with SriLankan Airlines, departs from Incheon International on Sat, 1 Nov, arriving in Kathmandu.Price includes taxes and charges.From £335, select.

Seoul.£347 per passenger.Departing Wed, 25 Jun, returning Wed, 2 Jul.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from Kathmandu on Wed, 25 Jun, arriving in Incheon International.Inbound indirect flight with China Eastern, departs from Incheon International on Wed, 2 Jul, arriving in Kathmandu.Price includes taxes and charges.From £347, select.

Seoul.£348 per passenger.Departing Sun, 14 Dec, returning Sat, 3 Jan.Return flight with Thai AirAsia and SriLankan Airlines.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Sun, 14 Dec, arriving in Incheon International.Inbound indirect flight with SriLankan Airlines, departs from Incheon International on Sat, 3 Jan, arriving in Kathmandu.Price includes taxes and charges.From £348, select.

Find the cheapest month to fly from Kathmandu to Seoul

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

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Direct flights from Kathmandu to Seoul

Alternative Kathmandu to Seoul routes

Looking for the cheapest, fastest or easiest route from Kathmandu to Seoul? You could fly into the following airports instead.

Kathmandu to Seoul: Flight information

The things to know before you go.

Cheapest flight found	£276
Cheapest month to fly	September
Average flight time	6 hrs, 13 mins
Most popular airline	Korean Air
Average flights per week	4

Finding cheap flights from Kathmandu to Seoul: Frequently asked questions

How many airports are there in Seoul?

How much are return flights from Kathmandu to Seoul?

How long does it take to fly from Kathmandu to Seoul?

Which airlines fly direct from Kathmandu to Seoul?

How many flights are there a week from Kathmandu to Seoul?

When is the cheapest time to fly from Kathmandu to Seoul?

Which is the cheapest airport to fly into in Seoul?

Which upcoming date is cheapest to fly from Kathmandu Airport to Seoul on?

Can I get a direct flight from Kathmandu Airport to Seoul?

How can I get the best flight deal from Kathmandu Airport to Seoul?

When is the best time to book flights to Seoul?

What’s the weather like in Seoul?

Which is the cheapest airline to fly from Kathmandu Airport to Seoul with?

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

Take a direct flight from Tribhuvan International Airport to Seoul and you'll be in the air for around 6 hours 55 minutes.
The timezone in Seoul is UTC+9. The city is three hours 12 minutes ahead of Kathmandu, where Tribhuvan International Airport is located.
For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your KTM to Seoul flight.
If you're jetting off during a major holiday or another peak period, allow for even more time. A good general rule is two hours before domestic flights and up to four hours before international departures. Check-in and security lines will be longer.
Direct Tribhuvan International Airport to Seoul tickets are available for booking. Incheon International Airport (ICN) is where you'll be touching down.
Korean Air is a well-known airline that offers direct flights from Tribhuvan International Airport to Seoul.
Think about adding a stopover to potentially land a cheaper plane ticket from KTM to Seoul. Just deselect 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these popular airports:
- Tianfu International Airport (TFU)
- Suvarnabhumi Airport (BKK)
- Changi International Airport (SIN)
Central Kathmandu to KTM is around 2 miles. Depending on traffic, it'll take you about 15 minutes to get there if you're driving, ride-sharing or catching a cab.
Want an easy start to your trip? Stay near KTM. Whether you're catching an early flight from Tribhuvan International Airport to Seoul or want to avoid feeling rushed, these hotels are worth a look:

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

£141 is currently the best price for a one-way Tribhuvan International Airport to Seoul flight. Return plane tickets start at £276. These prices can change depending on demand.
Lock in cheap flights from KTM to Seoul by booking one month ahead. According to our research, that's the best time for picking up a bargain.
May is the best month for picking up an amazing deal on Tribhuvan International Airport to Seoul tickets. If you'd like to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.
There's no need to keep checking in to see if fares have dropped when you create a Price Alert. We'll notify you when there's an even bigger deal on cheap flights from KTM to Seoul.
Choose your ideal departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Tribhuvan International Airport to Seoul by 'Fastest,' 'Cheapest' or 'Best.'

Airports in Seoul

Incheon International Airport (ICN)

Incheon International Airport (ICN) is roughly 30 miles from central Seoul. How long it takes to reach the centre depends on the time of day. Do some research beforehand.
When travelling by public transport, expect a journey time of around 1 hour 45 minutes.
The last thing you need is a long journey to your hotel if you're getting in late on a flight from Tribhuvan International Airport to Seoul. Stay at one of these accommodation options near ICN instead:
Say yes to new adventures by picking up an Incheon International Airport rental car. Grab your wheels from WECAR, Hi Rent A Car or Alamo and explore beyond Seoul's usual tourist stops.
Lock in the lowest price by booking your ride from Incheon International Airport about four weeks before your flight from KTM to Seoul.

Gimpo International Airport (GMP)

Gimpo International Airport (GMP) is around 10 miles from central Seoul. Check out your options for getting into town after your flight from Tribhuvan International Airport to Seoul has landed.
Travelling by public transport will take around 1 hour 5 minutes.
There are some great places to park your luggage (and yourself) near GMP. Kick back and get cosy after your KTM to Seoul flight at any of these perfectly located options:
GOGO Rent a Car, Gogo Rental Car Seoul and Hi Rent A Car make picking up a Gimpo International Airport rental car easy and quick. These providers are located in or around the terminal and will have you on your way in a heartbeat.
Snap up the best price by reserving your ride from GMP one week in advance. You'll also have access to a wider range of vehicles.

Best time to go to Seoul

Before you book your flights from Tribhuvan International Airport to Seoul, consider which time of year is best for you. High season in Seoul offers a lively atmosphere and plenty of activities, while the low season brings cheaper hotel deals and fewer crowds.
Lock in a Tribhuvan International Airport to Seoul plane ticket with a departure in August if you want to explore the city during its warmest month. Expect temperatures to range from 19ºC (66ºF) to 32ºC (90ºF).
Search for cheap tickets from KTM to Seoul in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -12ºC (10ºF) and 4ºC (39ºF) on average.

More about Seoul

Start your Seoul trip right by choosing the ideal place to stay. After booking your flight from Tribhuvan International Airport to Seoul, browse our range of accommodation options including:
All great journeys should include some sightseeing. Bukchon Hanok Village, Gyeongbokgung Palace and N Seoul Tower are essential stops on your Seoul itinerary.

Explore more of South Korea

You've seen Seoul, now it's time to explore other corners of South Korea. Travel around 200 miles south-east to Busan to check off its popular sights. From Haeundae Beach to Gamcheon Culture Village and Beomeosa Temple, there's plenty to keep you busy.
Daegu is another sought-after destination in South Korea and is around 150 miles south-east of Seoul. No trip is complete without seeing Duryu Park People's Garden, E-World and Apsan Park.