Cheap Flights from Kathmandu to Colombo

Cheapest flights from Kathmandu to Colombo

Compare fares and flight options for Kathmandu — Colombo. Prices can change; check availability when searching.

Cheapest one way flight

$204

Srilankan Airlines

Direct flight

3h 35m

01/18/2027

The cheapest one-way flight from Kathmandu to Colombo departs on 01/18/2027, is operated by Srilankan Airlines and costs $204

Cheapest round trip flight

$448

Air India

1 layover

1d 6h 25m

07/05/2027

The cheapest roundtrip flight from Kathmandu to Colombo departs on 07/05/2027, is operated by Air India and costs $448

Fastest option found

3h 35m

Fastest flight from Kathmandu to Colombo takes 3h 35m

Weekdays with direct offers

4 days

Direct offers were found on these weekdays: Su, Mo, We, and Th.

Average direct flight duration

3h 35m

Earliest departure found

6:30 AM

Latest departure found

9:40 PM

Straight-line city distance

2382km

The average outbound duration among direct offers for Kathmandu to Colombo is 3h 35m. The found offers from Kathmandu to Colombo depart between 6:30 AM and 9:40 PM, in the origin city’s time zone. The straight-line distance between Kathmandu and Colombo is 2382km.

Direct-flight weekdays and the fastest option are based on the offers found.

Duration and departure times are based on found offers, not the full schedule. Times use the origin city’s time zone.

Airfare from Kathmandu to Colombo by month

The minimum one-way ticket price from Kathmandu to Colombo is $220 (March 2027), while the maximum is $655 (October 2027). On average, a ticket costs $247–$312.

March 2027

Lowest price

Lowest price:

$220

October 2027

Highest price

Lowest price:

$655

Lowest price

Price dynamics

The Kathmandu — Colombo route shows a classic seasonal pattern: prices rise, peak, then fall again. Knowing this, you can pick a more affordable time to fly.

Cheaper and more expensive periods

Prices rise from December 2026 to February 2027 (+19%), then decline from February 2027 to April 2027 (22%). The cheapest tickets are in March 2027–April 2027 (averaging $221), while the priciest are in April 2027–October 2027 ($438).

Best time to buy

For savings, plan your flight for March 2027–April 2027 — you could save up to 50%. Try to avoid April 2027–October 2027 when possible: prices are at their highest then.

Price predictability

Price spread on this route is 49.6%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.

Airlines operating on route

The ticket selection for Kathmandu — Colombo features Srilankan Airlines, Air India, IndiGo, Jazeera Airways, and Royal Nepal Airlines. It includes 5 airlines; the lowest fare found is $204.

starting at $204

starting at $262

starting at $269

starting at $337

starting at $351

Non-stop flights from Kathmandu to Colombo

A non-stop flight is the most convenient and comfortable way to fly from Kathmandu to Colombo, despite the fact that sometimes flights with transfers can cost significantly less.

Kathmandu — Colombo

KTM — CMB

01/18/2027

Departure

Direct flight

UL182

starting at $204

Kathmandu — Colombo

KTM — CMB

12/14/2026

Departure

Direct flight

UL182

starting at $330

Kathmandu — Colombo

KTM — CMB

07/05/2027

Departure

Direct flight

UL182

starting at $424

Kathmandu — Colombo

KTM — CMB

01/28/2027

Departure

Direct flight

UL182

starting at $434

Kathmandu — Colombo

KTM — CMB

01/20/2027

Departure

Direct flight

UL182

starting at $437

Kathmandu — Colombo

KTM — CMB

01/10/2027

Departure

Direct flight

UL182

starting at $439

Kathmandu — Colombo

KTM — CMB

12/21/2026

Departure

Direct flight

UL182

starting at $444

Kathmandu — Colombo

KTM — CMB

12/28/2026

Departure

Direct flight

UL182

starting at $444

Kathmandu — Colombo

KTM — CMB

01/06/2027

Departure

Direct flight

UL182

starting at $447

Kathmandu — Colombo

KTM — CMB

01/11/2027

Departure

Direct flight

UL182

starting at $449

Direct flight offers from Kathmandu to Colombo

Direct offers from Kathmandu to Colombo were found for these airlines: Srilankan Airlines: Su, Mo, We, and Th.

Weekdays and prices come from the offers found. This is not a complete schedule; availability and flight frequency can change.

Srilankan Airlines

Su, Mo, We, and Th

starting at $204

Kathmandu airports overview

Tribhuvan International Airport

KTM

Colombo airports overview

Bandaranaike International Airport

CMB

28km

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Kathmandu to Colombo?

The cheapest flight ticket from Kathmandu to Colombo according to data for the last 48 hours costs $204

When is the cheapest time of year to fly from Kathmandu to Colombo?

The lowest prices in the available monthly data for Kathmandu — Colombo are in: March, April, December. Prices can change.

How long does it take to fly from Kathmandu to Colombo?

The shortest duration among the offers found for Kathmandu — Colombo is 3 hours 35 minutes, including connections if present.

Which airline can fly direct from Kathmandu to Colombo?

Direct flight offers from Kathmandu to Colombo were found for: Srilankan Airlines

Special offers and sales on air tickets from Kathmandu to Colombo

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

Kathmandu — Colombo

January 6

Srilankan Airlines

$206

Alternative routes

Price dynamics

The Kathmandu — Colombo route shows a classic seasonal pattern: prices rise, peak, then fall again. Knowing this, you can pick a more affordable time to fly.

Cheaper and more expensive periods

Best time to buy

For savings, plan your flight for March 2027–April 2027 — you could save up to 50%. Try to avoid April 2027–October 2027 when possible: prices are at their highest then.

Price predictability

Price spread on this route is 49.6%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.

Kathmandu — Colombo

KTM — CMB

01/18/2027

Departure

Direct flight

UL182

starting at $204

Kathmandu — Colombo

KTM — CMB

12/14/2026

Departure

Direct flight

UL182

starting at $330

Kathmandu — Colombo

KTM — CMB

07/05/2027

Departure

Direct flight

UL182

starting at $424

Kathmandu — Colombo

KTM — CMB

01/28/2027

Departure

Direct flight

UL182

starting at $434

Kathmandu — Colombo

KTM — CMB

01/20/2027

Departure

Direct flight

UL182

starting at $437

Kathmandu — Colombo

KTM — CMB

01/10/2027

Departure

Direct flight

UL182

starting at $439

Kathmandu — Colombo

KTM — CMB

12/21/2026

Departure

Direct flight

UL182

starting at $444

Kathmandu — Colombo

KTM — CMB

12/28/2026

Departure

Direct flight

UL182

starting at $444

Kathmandu — Colombo

KTM — CMB

01/06/2027

Departure

Direct flight

UL182

starting at $447

Kathmandu — Colombo

KTM — CMB

01/11/2027

Departure

Direct flight

UL182

starting at $449

What is the cheapest price for flights from Kathmandu to Colombo?

The cheapest flight ticket from Kathmandu to Colombo according to data for the last 48 hours costs $204

When is the cheapest time of year to fly from Kathmandu to Colombo?

The lowest prices in the available monthly data for Kathmandu — Colombo are in: March, April, December. Prices can change.

How long does it take to fly from Kathmandu to Colombo?

The shortest duration among the offers found for Kathmandu — Colombo is 3 hours 35 minutes, including connections if present.

Which airline can fly direct from Kathmandu to Colombo?

Direct flight offers from Kathmandu to Colombo were found for: Srilankan Airlines

Cheapest one way flight

$204

Srilankan Airlines

Direct flight

3h 35m

01/18/2027

The cheapest one-way flight from Kathmandu to Colombo departs on 01/18/2027, is operated by Srilankan Airlines and costs $204

Cheapest round trip flight

$448

Air India

1 layover

1d 6h 25m

07/05/2027

The cheapest roundtrip flight from Kathmandu to Colombo departs on 07/05/2027, is operated by Air India and costs $448

Fastest option found

3h 35m

Fastest flight from Kathmandu to Colombo takes 3h 35m

Weekdays with direct offers

4 days

Direct offers were found on these weekdays: Su, Mo, We, and Th.

Average direct flight duration

3h 35m

Earliest departure found

6:30 AM

Latest departure found

9:40 PM

Straight-line city distance

2382km

Direct-flight weekdays and the fastest option are based on the offers found.

Duration and departure times are based on found offers, not the full schedule. Times use the origin city’s time zone.

Cheap Flights from Kathmandu to Colombo

Compare airlines, prices, and flight durations for your trip

Cheapest flights from Kathmandu to Colombo

Cheapest one way flight

$204

Srilankan Airlines

Direct flight

3h 35m

01/18/2027

Cheapest round trip flight

$448

Air India

1 layover

1d 6h 25m

07/05/2027

Fastest option found

3h 35m

Weekdays with direct offers

4 days

Average direct flight duration

3h 35m

Earliest departure found

6:30 AM

Latest departure found

9:40 PM

Straight-line city distance

2382km

Airfare from Kathmandu to Colombo by month

March 2027

Lowest price:

$220

October 2027

Lowest price:

$655

Price dynamics

Cheaper and more expensive periods

Best time to buy

Price predictability

Airlines operating on route

Non-stop flights from Kathmandu to Colombo

Direct flight offers from Kathmandu to Colombo

Kathmandu airports overview

Tribhuvan International Airport

Colombo airports overview

Bandaranaike International Airport

Frequently asked questions (FAQ)

Special offers and sales on air tickets from Kathmandu to Colombo

Alternative routes

March 2027

Lowest price:

$220

October 2027

Lowest price:

$655

Price dynamics

Cheaper and more expensive periods

Best time to buy

Price predictability

Tribhuvan International Airport

Bandaranaike International Airport

Cheapest one way flight

$204

Srilankan Airlines

Direct flight

3h 35m

01/18/2027

Cheapest round trip flight

$448

Air India

1 layover

1d 6h 25m

07/05/2027

Fastest option found

3h 35m

Weekdays with direct offers

4 days

Average direct flight duration

3h 35m

Earliest departure found

6:30 AM