C$436 Cheap Flights from Seoul (SELA) to Kathmandu (KTM)

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Flight deals from Seoul to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Seoul to Kathmandu Airport? If you want to travel next month, return fares start from C$593. Find the lowest prices on one-way and return tickets right here.

Kathmandu.C$200 per passenger.Departing Tue., Jun. 30.One-way flight with Sichuan Airlines.Outbound indirect flight with Sichuan Airlines, departs from Incheon International on Tue., Jun. 30, arriving in Kathmandu.Price includes taxes and charges.From C$200, select.

Kathmandu.C$207 per passenger.Departing Sat., May 30.One-way flight with Sichuan Airlines.Outbound indirect flight with Sichuan Airlines, departs from Incheon International on Sat., May 30, arriving in Kathmandu.Price includes taxes and charges.From C$207, select.

Kathmandu.C$248 per passenger.Departing Wed., Sep. 9.One-way flight with SriLankan Airlines.Outbound indirect flight with SriLankan Airlines, departs from Incheon International on Wed., Sep. 9, arriving in Kathmandu.Price includes taxes and charges.From C$248, select.

Kathmandu.C$263 per passenger.Departing Wed., Aug. 26.One-way flight with SriLankan Airlines.Outbound indirect flight with SriLankan Airlines, departs from Incheon International on Wed., Aug. 26, arriving in Kathmandu.Price includes taxes and charges.From C$263, select.

Kathmandu.C$264 per passenger.Departing Sat., Nov. 7.One-way flight with SriLankan Airlines.Outbound indirect flight with SriLankan Airlines, departs from Incheon International on Sat., Nov. 7, arriving in Kathmandu.Price includes taxes and charges.From C$264, select.

Kathmandu.C$264 per passenger.Departing Sat., Oct. 31.One-way flight with SriLankan Airlines.Outbound indirect flight with SriLankan Airlines, departs from Incheon International on Sat., Oct. 31, arriving in Kathmandu.Price includes taxes and charges.From C$264, select.

Kathmandu.C$264 per passenger.Departing Wed., Feb. 17.One-way flight with SriLankan Airlines.Outbound indirect flight with SriLankan Airlines, departs from Incheon International on Wed., Feb. 17, arriving in Kathmandu.Price includes taxes and charges.From C$264, select.

Kathmandu.C$264 per passenger.Departing Wed., Jan. 20.One-way flight with SriLankan Airlines.Outbound indirect flight with SriLankan Airlines, departs from Incheon International on Wed., Jan. 20, arriving in Kathmandu.Price includes taxes and charges.From C$264, select.

Kathmandu.C$264 per passenger.Departing Sat., Mar. 27.One-way flight with SriLankan Airlines.Outbound indirect flight with SriLankan Airlines, departs from Incheon International on Sat., Mar. 27, arriving in Kathmandu.Price includes taxes and charges.From C$264, select.

Kathmandu.C$264 per passenger.Departing Sat., Dec. 26.One-way flight with SriLankan Airlines.Outbound indirect flight with SriLankan Airlines, departs from Incheon International on Sat., Dec. 26, arriving in Kathmandu.Price includes taxes and charges.From C$264, select.

Kathmandu.C$282 per passenger.Departing Fri., Jul. 10.One-way flight with Shandong Airlines.Outbound indirect flight with Shandong Airlines, departs from Incheon International on Fri., Jul. 10, arriving in Kathmandu.Price includes taxes and charges.From C$282, select.

Kathmandu.C$298 per passenger.Departing Sat., Apr. 25.One-way flight with China Eastern.Outbound indirect flight with China Eastern, departs from Incheon International on Sat., Apr. 25, arriving in Kathmandu.Price includes taxes and charges.From C$298, select.

Kathmandu.C$509 per passenger.Departing Sat., Apr. 3.One-way flight with Air India.Outbound indirect flight with Air India, departs from Incheon International on Sat., Apr. 3, arriving in Kathmandu.Price includes taxes and charges.From C$509, select.

Kathmandu.C$652 per passenger.Departing Tue., Aug. 11.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Tue., Aug. 11, arriving in Kathmandu.Price includes taxes and charges.From C$652, select.

Kathmandu.C$653 per passenger.Departing Tue., Jul. 28.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Tue., Jul. 28, arriving in Kathmandu.Price includes taxes and charges.From C$653, select.

Kathmandu.C$654 per passenger.Departing Sat., Jun. 13.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Incheon International on Sat., Jun. 13, arriving in Kathmandu.Price includes taxes and charges.From C$654, select.

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 June.

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Which airlines fly 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.

Kathmandu

5km from central Kathmandu

ClosestCheapest

from C$199

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Seoul to Kathmandu: Flight information

The things to know before you go.

Cheapest flight found	C$199
Cheapest month to fly	June
Average flight time	7 hrs, 5 mins
Most popular airline	Korean Air
Average flights per week	2

Finding cheap flights from Seoul to Kathmandu: Frequently asked questions

How much are return flights from Seoul to Kathmandu?

The best price we found for a return flight from Seoul to Kathmandu is C$436. 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.

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

7 hours and 5 minutes is the average flight time from Seoul to Kathmandu.

Which airlines fly direct from Seoul to Kathmandu?

Korean Air flies direct from Seoul to Kathmandu.

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

As of April 2026, there are 2 flights per week flying from Seoul to Kathmandu.

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

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

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Kathmandu Airport on Thursday, June 4, 2026.

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

Yes – the average flight time is 7 hours and 5 minutes.

How can I find the best flight deal to Kathmandu?

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.

When is the best time to book flights to Kathmandu?

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

Get your vacation planning started by considering where you'll take off for your flight from Seoul to Tribhuvan International Airport (KTM). Incheon International Airport (ICN) and Gimpo International Airport (GMP) are Seoul's main airports.
Jump on a direct flight from Seoul to Tribhuvan International Airport and you'll be travelling for an average of 7 hours 25 minutes.
The timezone in Kathmandu is UTC+5:47, which is 3 hours 12 minutes behind Seoul. Tribhuvan International Airport is located in Kathmandu.
Incheon International Airport (ICN) to Tribhuvan International Airport (KTM) is the most popular route. There are 5 direct flights a week to choose from. If you prefer starting your day later, take the last flight with Korean Air at 13:40. Choose the first ICN to KTM departure with Korean Air at 13:25 if you want to get going earlier.
To ensure you catch your flight from Seoul to KTM, leave plenty of time to navigate the airport and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general rule.
You'll want to head there even earlier during popular months like July. Aim for two hours before a domestic departure and four hours ahead of international journeys. After checking in, you can use any extra time to relax or go over your itinerary.

Gimpo International Airport (GMP)

Planning to leave from Gimpo International Airport (GMP)? You can book a direct flight from Seoul to Tribhuvan International Airport (KTM) out of this popular hub.
From GMP, direct flights from Seoul to KTM are available with Korean Air.
Make the most of your vacation with a stopover on your flight from Seoul to Tribhuvan International Airport. Visit family or friends or tick another city off your bucket list. Whatever you decide to do, here's where you can stop between Gimpo International Airport and KTM:
- Suvarnabhumi Airport (BKK)
- Changi International Airport (SIN)
- Tianfu International Airport (TFU)
GMP is about 16 kilometres from the centre of Seoul. Plan ahead to work out the quickest way to reach your terminal.
You're off on vacation, so why not enjoy an extra night away? Consider checking in to one of these hotels near Gimpo International Airport the day before your flight from Seoul to KTM:

About Tribhuvan International Airport (KTM)

The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Seoul to Tribhuvan International Airport. Book one of these accommodation options near KTM instead:

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

Tribhuvan International Airport is approximately 5 kilometres from central Kathmandu. With a cab or in your own car rental, the drive is about 16 minutes.

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

C$200 is the lowest price we've seen for a one-way ticket from Seoul to Tribhuvan International Airport. Return flights start from C$436. Fares are subject to availability and may change at any time.
You're more likely to find flight tickets from Seoul to KTM when you book 7 months before takeoff. We crunched the flight price data and found that's the time fares for this route tend to be at their lowest.
You'll snag the biggest savings on your tickets from Seoul to Tribhuvan International Airport by travelling in April. Take it one step further and use the 'Whole month' tool to find the cheapest day to fly.
Create a Price Alert for flight tickets from Seoul to KTM. There's no need to check back in every day to see whether fares have dropped. We'll notify you the moment the price changes.
Tailor your trip with filters. Select your ideal departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Seoul to Tribhuvan International Airport.

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

February is the quietest time of year to travel to Kathmandu. Alternatively, join the crowds and visit in October. This is the busiest month for flights from Seoul to Tribhuvan International Airport, but the best time to go is up to you.
The warmest month in Kathmandu is June, with the temperature ranging between 17ºC and 28ºC. Lock in your flights from Seoul to KTM in this month if you enjoy this type of weather.
Search for cheap flights from Seoul to Tribhuvan International Airport in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 3ºC and 18ºC on average.

More about Kathmandu

After locking in your flight from Seoul to Tribhuvan International Airport, think about where you'll stay in this city. Make one of these accommodation options your base for exploring Kathmandu:
Every great vacation has to include a little sightseeing. Swayambhunath Stupa, Pashupatinath Temple and Boudhanath Stupa are attractions you won't want to skip in Kathmandu.

Complete your Kathmandu trip with a car rental

We use the same magic that helped you find your cheap flight from Seoul to Tribhuvan International Airport to track down your ideal ride. Browse our car rentals in Kathmandu and compare your options in one place. Plus you'll find all the info you need to know, from the most popular car type to the best time to book.