Cheap Flights from Kathmandu to Siem Reap

Cheapest flights from Kathmandu to Siem Reap

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Kathmandu to Siem Reap. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$222

Royal Nepal Airlines

2 transfers

1d 15h 20m

02/14/2026

The cheapest one-way flight from Kathmandu to Siem Reap departs on 02/14/2026, is operated by Royal Nepal Airlines and costs $222

Cheapest round trip flight

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There is no information about the cheapest roundtrip flight from Kathmandu to Siem Reap

The fastest flight

7h 35m

Fastest flight from Kathmandu to Siem Reap takes 7h 35m

Direct flights

No direct flights

There are no direct flights on this route.

Distance

2487km

Timezone difference

1h 15m

The distance between Kathmandu and Siem Reap is 2487km (1542 miles). The time difference between Kathmandu and Siem Reap is 1h 15m

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Kathmandu to Siem Reap by month

The minimum one-way ticket price from Kathmandu to Siem Reap is $222 (February 2026), while the maximum is $380 (November 2026). On average, a ticket costs $309–$706.

February 2026

Lowest price

on average:

$222

November 2026

Highest price

on average:

$380

Avg Price

Airlines operating on route

The route Kathmandu — Siem Reap is served by several airlines: Royal Nepal Airlines, Thai AirAsia, and Thai Airways. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $222 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.

Royal Nepal Airlines

Starting at $222

Thai AirAsia

Starting at $240

Thai Airways

Starting at $380

Direct Flights from Kathmandu to Siem Reap

A direct flight is the most convenient and comfortable way to fly from Kathmandu to Siem Reap, despite the fact that sometimes flights with transfers can cost significantly less.

There appear to be no direct flights from Kathmandu to Siem Reap at this time.... Well, or something went wrong on our side and we couldn't find anything

Schedule of direct flights from Kathmandu to Siem Reap

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Kathmandu to Siem Reap:

Unable to find information about the schedule of direct flights from

Kathmandu airports overview

Tribhuvan International Airport

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KTM

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Siem Reap airports overview

Siem Reap International Airport

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SAI

Serves Siem Reap and the Angkor temple complex, handling domestic and regional international flights with convenient access to tourist facilities and transfers.

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Frequently asked questions (FAQ)

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

How much is the cheapest flight ticket from Kathmandu to Siem Reap?

The cheapest flight ticket from Kathmandu to Siem Reap according to data for the last 48 hours costs $222

When is the best time to buy air tickets on the route Kathmandu — Siem Reap?

Often the best time to buy tickets from Kathmandu to Siem Reap is 2 months before departure.

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

Based on statistics over the past years, the lowest prices for flights from Kathmandu to Siem Reap can be found flying in these months: February, December, November.

How long does it take to fly from Kathmandu to Siem Reap?

The fastest flights from Kathmandu to Siem Reap start from 7 hours 35 minutes in the air.

Which airline can fly direct from Kathmandu to Siem Reap?

The following airlines operate direct flights on the route Kathmandu — Siem Reap:

Special offers and sales on air tickets from Kathmandu to Siem Reap

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.

We couldn't find any special offers for flights from Kathmandu to Siem Reap

Alternative routes

Biratnagar ➜ Siem Reap•Gaya ➜ Siem Reap•Gorakhpur ➜ Siem Reap•Ranchi ➜ Siem Reap•Lucknow ➜ Siem Reap•Patna ➜ Siem Reap•Pokhara ➜ Siem Reap•Gangtok ➜ Siem Reap•Saidpur ➜ Siem Reap•Varanasi ➜ Siem Reap•Kathmandu ➜ Bangkok•Kathmandu ➜ Khon Kaen•Kathmandu ➜ Phnom Penh•Kathmandu ➜ Pleiku•Kathmandu ➜ Ho Chi Minh City•Kathmandu ➜ Udon Thani•Kathmandu ➜ Can Tho•Kathmandu ➜ Rach Gia•Kathmandu ➜ Savannakhet

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Cheapest one way flight

$222

Royal Nepal Airlines

2 transfers

1d 15h 20m

02/14/2026

The cheapest one-way flight from Kathmandu to Siem Reap departs on 02/14/2026, is operated by Royal Nepal Airlines and costs $222

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Kathmandu to Siem Reap

The fastest flight