Find flights
When to book
Airlines
FAQs

Cheap flights from Incheon Intl Airport to Kathmandu

ICN — KTM
7 Sep — 14 Sep1
1 adult

Cheapflights Tip: The best prices from Incheon Intl to Kathmandu Tribhuvan are usually found in June or May, booked 85 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Incheon Intl to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Kathmandu (KTM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 September 2025.

Popular in

October

Cheapest in

June

Average price

£452

Good round-trip deal

£730 or less
Highest demand for flights based on searches. 14% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Incheon Intl to Kathmandu Tribhuvan.
Search Deals

Best time to book a flight from Incheon Intl to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Incheon Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Incheon Intl Airport to Kathmandu

How far ahead should I book a flight from Incheon Intl Airport to Kathmandu?

Use this chart to determine the optimal time to book a return flight from Incheon Intl to Kathmandu. Price data was last updated on 29 August 2025.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to Kathmandu. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Incheon Intl Airport to Kathmandu?

Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Kathmandu (average of £907). Flying from Incheon Intl Airport to Kathmandu in October is currently the most expensive (average of £1,276). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ICN to KTM?

Find hourly flight availability from Incheon Intl to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 September 2025.

It’s optimal to fly from Incheon Intl Airport to Kathmandu in the evening. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kathmandu. Reviews last updated 2 September 2025.
Read reviews from past customers who have flown with Korean Air, China Southern, andAir India from Incheon Intl Airport to Kathmandu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,135 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,135 reviews
Korean Air
8.4
Very Good
1,135 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
China Southern
7.5
Good
110 reviews
Korean Air
8.4
Very Good
1,135 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air India
5.5
Fair
2,929 reviews
Korean Air
8.4
Very Good
1,135 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kathmandu from Incheon Intl?

    Kathmandu Tribhuvan (KTM) is the airport you will fly into if you book a flight from Incheon Intl to Kathmandu. You should not have trouble finding flights to Tribhuvan from Incheon Intl; the airport handles an average of 0 inbound flights from Incheon Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Kathmandu airport from Incheon Intl. It is only a 2.5 mi journey from Tribhuvan (KTM) to Kathmandu’s city center.

  • How popular is this Incheon Intl Airport to Kathmandu flight route?

    The Incheon Intl to Kathmandu Tribhuvan flight path was viewed by 12 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Incheon Intl Airport to Kathmandu round-trip?

    Our cheapest airline available from Incheon Intl Airport to Kathmandu is China Southern. Our recent data shows that you can find tickets from as low as £243 on this airline. Additional options worth looking into are Air India and Korean Air, starting at £448 and £589 round-trip. These flights start at 37% lower than the current average price 3 months from now.

  • Can I find deals for flights from Incheon Intl to Kathmandu that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Kathmandu.

  • Can I find deals for business class flights from Incheon Intl to Kathmandu?

    Yes. Cheapflights offers flight deals from Incheon Intl to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Incheon Intl Airport to Kathmandu?

    Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Kathmandu (average of £907). Flying from Incheon Intl Airport to Kathmandu in October is currently the most expensive (average of £1,276). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Kathmandu by adding a car hire and/or hotel booking to your travel itinerary.
Kathmandu car hire
Kathmandu Tribhuvan Airport car hire

Top 3 airlines flying from Incheon Intl to Kathmandu

Discover the top 3 airlines that operate flights from Incheon Intl to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£243Average£318FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest£448Average£479FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Korean AirCheapest£589Average£730FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Incheon Intl to Kathmandu?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Kathmandu from Incheon Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to Kathmandu?

Cheapflights simply makes it quick and affordable to book flights from Incheon Intl to Kathmandu by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Incheon Intl to Kathmandu with no change fees?

Yes! Cheapflights helps users easily find flights from Incheon Intl to Kathmandu with no change fees.

Can Cheapflights notify me if prices for flights from Incheon Intl to Kathmandu become cheaper?

Yes, Cheapflights offers price alerts on Incheon Intl to Kathmandu flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.