Flights by month
Surabaya to Kathmandu flights, month by month (2026)
A typical return fare from Surabaya to Kathmandu for each of 7 months, from departures we researched across a year. January is the cheapest, at around Rp9.253.301. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Jan 2027, about Rp9.253.301
Oct 2026 costs about Rp4.923.810 more.
Researched fares: Rp5.329.580 to Rp22.084.991 per person over 40 checks, last on 2026-09-07.
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 Oct 2026 to Apr 2027. How we work this out
Flying to Kathmandu
- Fastest journey
- 12h 10m · 1 stop · Singapore Airlines
- Cheapest itinerary
- 29h 15m · 1 stop · Indonesia AirAsia + Malaysia Airlines
- Usually flown by
- Singapore Airlines, Malaysia Airlines, Garuda Indonesia, China Southern
- Carbon, one way
- 499 kg CO₂
From the 50 fares we researched for a 2027-08-14 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 Surabaya to Kathmandu?
From what we captured across a year of departures, January is the cheapest month to fly Surabaya to Kathmandu, at around Rp9.253.301 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 Surabaya to Kathmandu?
October is the dearest month we captured for Surabaya to Kathmandu, at around Rp14.177.111 return, about Rp4.923.810 more than the cheapest month.
How long is the flight from Surabaya to Kathmandu?
About 12h 10m with 1 stop, from the itineraries we captured for Surabaya to Kathmandu.
Which airlines fly from Surabaya to Kathmandu?
The fares we captured for Surabaya to Kathmandu were on Malaysia Airlines, Singapore Airlines, China Southern, Garuda Indonesia, among others.