$201 Find Cheap Flights from Colombo to Kathmandu - Compare and Save

Only SriLankan Airlines operates flights between Colombo Bandaranaike Intl Airport and Kathmandu.

Flights from Colombo Bandaranaike Intl Airport to Kathmandu usually depart from Colombo Bandaranaike Intl (CMB) and arrive at Kathmandu Tribhuvan (KTM).

Here are some options for this route, based on selected ticket types and cabin classes:

• SriLankan Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Colombo Bandaranaike Intl Airport to Kathmandu.

On this route, nonstop and layover fares are close on average, with nonstop at $479 round-trip and layover options via New Delhi Indira Gandhi Intl (DEL) at $480.

The Airbus A320 (sharklets) family is used most often on this route, operated mainly by SriLankan Airlines. Other aircraft seen on the route include Airbus A320-100/200 variants.

Most connecting flights from Colombo Bandaranaike Intl Airport to Kathmandu pass through New Delhi Indira Gandhi Intl (DEL), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Yes. Being flexible with your travel dates can save you up to 21% on the Colombo Bandaranaike Intl Airport to Kathmandu route. Monday is the cheapest departure day at $428 round-trip on average, while Wednesday is the most expensive at $539, a difference of $111. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Colombo Bandaranaike Intl Airport to Kathmandu flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

Garden of Dreams is one of the most viewed places in Kathmandu on KAYAK.

These are the earliest and latest flight times available from Colombo Bandaranaike Intl Airport to Kathmandu:

• Earliest: departs at 8:00 am and lands at 11:38 am
• Latest: departs at 8:50 am and lands at 12:28 pm.

The flight takes about 3h 38m.

A nonstop flight from Colombo Bandaranaike Intl Airport to Kathmandu takes 3h 38m, covering 1,461 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $457 to $1,737. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Colombo Bandaranaike Intl Airport to Kathmandu are currently higher than usual. Average one-way flight prices are about $319, which is 19% above the typical average for this route.

Round-trip flights from Colombo Bandaranaike Intl Airport to Kathmandu range from $417 to $539, with an average of $476 over the past 12 months. Anything below $417 counts as a good deal.