Cheap flights from Colombo to Kathmandu

One-way fares from $230 · CMB → KTM · prices found by travellers in the last 48 hours

Cheapest fare
$230

Air India · Wed, Nov 25

Cheapest month
November

from $230

Direct flights
Yes

SriLankan Airlines

Flight time
3h 35m

2,380 km

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Cheapest month to fly from Colombo to Kathmandu

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $230
  2. December 2026 $258
  3. January 2027 $269
  4. March 2027 $238
  5. April 2027 $261
  6. May 2027 $234
  7. August 2027 $257

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Air India
Depart12:00 Wed, Nov 25CMB → KTM 5h 35m · 1 stop
$230one way, per person
View deal
IndiGo
Depart20:05 Sun, Nov 8CMB → KTM 5h 50m · 1 stop
$234one way, per person
View deal
IndiGo
Depart20:05 Sat, Nov 7CMB → KTM 5h 40m · 1 stop
$237one way, per person
View deal
Air India
Depart05:10 Sun, Nov 22CMB → KTM 5h 30m · 1 stop
$243one way, per person
View deal
IndiGo
Depart20:05 Thu, Nov 5CMB → KTM 5h 40m · 1 stop
$252one way, per person
View deal
Air India
Depart05:10 Sat, Nov 28CMB → KTM 5h 35m · 1 stop
$255one way, per person
View deal
Air India
Depart05:10 Mon, Nov 30CMB → KTM 5h 35m · 1 stop
$255one way, per person
View deal
IndiGo
Depart20:05 Fri, Nov 20CMB → KTM 5h 50m · 1 stop
$266one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Kathmandu

Where to stay, what to do and getting around, from our travel partners.

About flights from Colombo to Kathmandu

Colombo (CMB) and Kathmandu (KTM) are about 2,380 km apart. Direct flights take around 3h 35m, and recent direct fares were with SriLankan Airlines. Over the next few months, one-way fares start from $230, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Colombo to Kathmandu?

The cheapest one-way fare we've seen recently is $230 with Air India, departing Wednesday, November 25, 2026. Over the coming months, the lowest fare in each month ranges from $230 to $269.

What is the cheapest month to fly from Colombo to Kathmandu?

November 2026 currently has the lowest fares, from $230 one way.

Are there direct flights from Colombo to Kathmandu?

Yes. Recent direct fares were with SriLankan Airlines.

How long is the flight from Colombo to Kathmandu?

A direct flight takes about 3h 35m. Colombo and Kathmandu are around 2,380 km apart.

Which airlines fly from Colombo to Kathmandu?

Recent fares on this route were with Air India, IndiGo, SriLankan Airlines and Jazeera Airways.

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