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Cheap Flights from Kathmandu to Incheon International

Compare Kathmandu to Incheon International flight deals

Find the cheapest month or even day of the year to fly to Incheon International

Book the best Incheon International fare with no extra fees

Flight deals from Kathmandu to Incheon International

Looking for a cheap last-minute deal or the best return flight from Kathmandu to Incheon International? Find the lowest prices on one-way and return tickets right here.
Seoul.R 3,982 per passenger.Departing Thu, 11 Sep.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Thu, 11 Sep, arriving in Incheon International.Price includes taxes and charges.From R 3,982, select.
Seoul.R 4,068 per passenger.Departing Thu, 21 Aug.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Thu, 21 Aug, arriving in Incheon International.Price includes taxes and charges.From R 4,068, select.
Seoul.R 4,380 per passenger.Departing Sun, 18 Jan.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Sun, 18 Jan, arriving in Incheon International.Price includes taxes and charges.From R 4,380, select.
Seoul.R 4,518 per passenger.Departing Wed, 12 Nov.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Wed, 12 Nov, arriving in Incheon International.Price includes taxes and charges.From R 4,518, select.
Seoul.R 4,518 per passenger.Departing Fri, 18 Jul.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Fri, 18 Jul, arriving in Incheon International.Price includes taxes and charges.From R 4,518, select.
Seoul.R 4,518 per passenger.Departing Mon, 1 Dec.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Mon, 1 Dec, arriving in Incheon International.Price includes taxes and charges.From R 4,518, select.
Seoul.R 4,535 per passenger.Departing Mon, 2 Feb.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Mon, 2 Feb, arriving in Incheon International.Price includes taxes and charges.From R 4,535, select.
Seoul.R 4,685 per passenger.Departing Wed, 11 Mar.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Kathmandu on Wed, 11 Mar, arriving in Incheon International.Price includes taxes and charges.From R 4,685, select.

Find the cheapest month to fly from Kathmandu to Incheon International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kathmandu to Incheon International flights are currently cheapest in September.
Jun
from R 5,007
Jul
from R 4,518
Aug
from R 4,068
Sep
from R 3,982
Oct
from R 4,771
Nov
from R 4,518
Dec
from R 4,518
Jan
from R 4,380
Feb
from R 4,535
Mar
from R 4,685
Apr
from R 7,273
May
from R 7,062

Direct flights from Kathmandu to Incheon International

Kathmandu to Incheon International: Alternative routes

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

Kathmandu to Seoul: Flight information

The things to know before you go.
Cheapest flight foundR 3,982
Cheapest month to flySeptember
Average flight time6 hrs, 13 mins
Most popular airlineKorean Air
Average flights per week2

Finding cheap flights from Kathmandu to Incheon International: Frequently asked questions

The best price we found for a return flight from Kathmandu to Incheon International is R 7,173. 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.
6 hours and 13 minutes is the average flight time from Kathmandu to Incheon International.
Korean Air flies direct from Kathmandu to Incheon International.
As of June 2025, there are 2 flights per week flying from Kathmandu to Incheon International.
The cheapest month to fly from Kathmandu to Incheon International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Incheon International Airport on Thursday, 4 September 2025.
Yes – the average flight time is 6 hours and 13 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 Incheon International 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 Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Thai AirAsia and Korean Air offer the cheapest flight tickets to Incheon International.

Travelling from Tribhuvan International Airport (KTM) to Incheon International Airport (ICN): what you need to know

  • The average duration of a direct flight from Tribhuvan International Airport to Incheon International Airport is 6 hours 20 minutes.

  • Seoul's timezone is UTC+9, making Seoul three hours 12 minutes ahead of Kathmandu.

  • Flights from KTM to ICN start from 19:20 — the first with Korean Air. The last departure is at 20:30 with Korean Air. Overall, you can choose from five weekly Tribhuvan International Airport to Incheon International Airport flights.

  • To ensure you get on your KTM to ICN flight, leave enough time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the general rule.

  • Flying during a peak time such as September? School holidays and other high seasons can mean longer queues at airport checkpoints. Play it safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Getting to Seoul (and then discovering more of South Korea!) is easy with Korean Air. This popular carrier has direct flights from Tribhuvan International Airport to Incheon International Airport.

  • The airline with the highest number of bookings on this route is Korean Air.

  • The carrier with the best on-time arrival rate for KTM to ICN flights is Korean Air.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from Tribhuvan International Airport to Incheon International Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to explore your chosen city. Stopovers between KTM and ICN include:

    • Suvarnabhumi Airport

    • Changi International Airport

    • Tianfu International Airport

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

  • Currently, R 3,982 is the cheapest price we've found for a one-way Tribhuvan International Airport to Incheon International Airport flight. The best price for a return plane ticket is R 7,173. Bear in mind that fares could change due to availability when booking.

  • To score cheap tickets from KTM to ICN, reserve your trip six months ahead of your planned departure.

  • Organise your trip for May. That's the cheapest month for flights from Tribhuvan International Airport to Incheon International Airport. If you have flexibility with your dates, try out the 'Whole month' tool to see the lowest airfare across every month.

  • You won't have to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll send you an update the moment there's a change in price on cheap flights from KTM to ICN.

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

Handy information about Tribhuvan International Airport (KTM)

  • To reach Tribhuvan International Airport from central Kathmandu, it takes around 15 minutes if you're planning to drive. This depends on traffic though. It's approximately 5 kilometres from the airport to the city centre.

  • Booked an early flight from Tribhuvan International Airport to Incheon International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by picking one of these hotels close to KTM:

Arriving at Incheon International Airport (ICN)

  • If you're getting in on a late Tribhuvan International Airport to Incheon International Airport flight, nothing beats the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and relaxing soon after at one of these accommodation options near ICN:

  • Pick up an Incheon International Airport rental car and explore Seoul and beyond with your own set of wheels. WECAR, Hi Rent A Car and Alamo are top outlets to choose from here.

  • Lock in the lowest price by reserving your ride from Incheon International Airport about four weeks before your trip.

Getting from Incheon International Airport (ICN) to central Seoul

  • The centre of Seoul is about 48 kilometres from Incheon International Airport. How long it takes to get there driving will vary depending on traffic conditions, so do a little research ahead of your trip.

  • Getting there by public transport typically takes 1 hour 45 minutes.

When to fly to Incheon International Airport (ICN)

  • The quietest month for a flight from Tribhuvan International Airport to Incheon International Airport is April, while July is the busiest. Pick the best time to go to Seoul based on whether you prefer a faster pace or a more relaxed vibe.

  • Book your flight from Tribhuvan International Airport to Incheon International Airport for August if you'd like to go to Seoul during its warmest month. Expect temperatures of between 19ºC (66ºF) and 32ºC (90ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from KTM to ICN in January. Average temperatures are between -12ºC (10ºF) and 4ºC (39ºF) then.

Explore more of South Korea

  • Seoul has its own special appeal, but there are so many other corners of South Korea waiting to be explored. About 322 kilometres south-east of Seoul, a trip to Busan will keep your itinerary packed. Check out popular attractions like Haeundae Beach, Gamcheon Culture Village and Beomeosa Temple.

  • If there's time to check out another major stop in South Korea, consider Incheon, roughly 56 kilometres west of Seoul. Lawn Square of Incheon International Airport, Yeongjong Sky City No.23 Park and 스카이72 GC 바다코스 are highlights.

Plan the rest of your trip from Kathmandu to Seoul

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