Flights by month
Seoul to Kathmandu flights, month by month (2026)
A typical return fare from Seoul to Kathmandu for each of 7 months, from departures we researched across a year. September is the cheapest, at around Rp9.902.469. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Sep 2026, about Rp9.902.469
Oct 2026 costs about Rp8.908.274 more.
Researched fares: Rp7.789.228 to Rp50.611.300 per person over 56 checks, last on 2026-09-07. · Cheapest direct researched: Korean Air at Rp15.307.468.
From our own live checks: for each departure we sampled in the month, the cheapest return fare per person the newest check found, averaged. The same figures as the fare index, last checked 2026-09-06. Not a quote. What you pay depends on when you book. Departures from Sep 2026 to Mar 2027. How we work this out
Flying to Kathmandu
- Fastest journey
- 10h 30m · 1 stop · China Southern
- Cheapest itinerary
- 11h 5m · 1 stop · China Eastern
- Usually flown by
- China Southern, Air China, China Eastern
- Carbon, one way
- 501 kg CO₂
From the 9 fares we researched for a 2027-08-28 departure, checked 2026-09-07. Outbound journey times. Not a quote. How we work this out
Common questions
When is the cheapest month to fly from Seoul to Kathmandu?
From what we captured across a year of departures, September is the cheapest month to fly Seoul to Kathmandu, at around Rp9.902.469 return. That is a researched figure from a dated snapshot, not a live quote, so check the price with a partner before you book.
When is the most expensive month to fly from Seoul to Kathmandu?
October is the dearest month we captured for Seoul to Kathmandu, at around Rp18.810.743 return, about Rp8.908.274 more than the cheapest month.
How long is the flight from Seoul to Kathmandu?
About 10h 30m with 1 stop, from the itineraries we captured for Seoul to Kathmandu.
Which airlines fly from Seoul to Kathmandu?
The fares we captured for Seoul to Kathmandu were on China Southern, Malaysia Airlines, THAI, Cathay Pacific, among others.