Cheap flights from Siem Reap Angkor to Kathmandu

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Compare Siem Reap Angkor to Kathmandu flight deals

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Flight deals from Siem Reap Angkor to Kathmandu

Looking for a cheap last-minute deal or the best round-trip flight from Siem Reap Angkor to Kathmandu? Find the lowest prices on one-way and round-trip tickets right here.

Kathmandu.$663 per passenger.Departing Sat, Feb 27, returning Sat, Mar 6.Round-trip flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departing from Siem Reap Angkor on Sat, Feb 27, arriving in Kathmandu.Inbound indirect flight with Singapore Airlines, departing from Kathmandu on Sat, Mar 6, arriving in Siem Reap Angkor.Price includes taxes and charges.From $663, select.

Kathmandu.$690 per passenger.Departing Wed, Jan 27, returning Wed, Feb 10.Round-trip flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departing from Siem Reap Angkor on Wed, Jan 27, arriving in Kathmandu.Inbound indirect flight with Singapore Airlines, departing from Kathmandu on Wed, Feb 10, arriving in Siem Reap Angkor.Price includes taxes and charges.From $690, select.

Kathmandu.$733 per passenger.Departing Thu, Mar 4, returning Sat, Mar 13.Round-trip flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departing from Siem Reap Angkor on Thu, Mar 4, arriving in Kathmandu.Inbound indirect flight with Singapore Airlines, departing from Kathmandu on Sat, Mar 13, arriving in Siem Reap Angkor.Price includes taxes and charges.From $733, select.

Kathmandu.$836 per passenger.Departing Thu, Oct 29, returning Thu, Nov 5.Round-trip flight with AirAsia Cambodia and Thai Airways.Outbound indirect flight with AirAsia Cambodia, departing from Siem Reap Angkor on Thu, Oct 29, arriving in Kathmandu.Inbound indirect flight with Thai Airways, departing from Kathmandu on Thu, Nov 5, arriving in Siem Reap Angkor.Price includes taxes and charges.From $836, select.

Kathmandu.$901 per passenger.Departing Fri, Nov 6, returning Thu, Nov 12.Round-trip flight with AirAsia Cambodia and Himalaya Airlines.Outbound indirect flight with AirAsia Cambodia, departing from Siem Reap Angkor on Fri, Nov 6, arriving in Kathmandu.Inbound indirect flight with Himalaya Airlines, departing from Kathmandu on Thu, Nov 12, arriving in Siem Reap Angkor.Price includes taxes and charges.From $901, select.

Kathmandu.$3,927 per passenger.Departing Thu, Sep 24, returning Mon, Oct 12.Round-trip flight with Emirates.Outbound indirect flight with Emirates, departing from Siem Reap Angkor on Thu, Sep 24, arriving in Kathmandu.Inbound indirect flight with Emirates, departing from Kathmandu on Mon, Oct 12, arriving in Siem Reap Angkor.Price includes taxes and charges.From $3,927, select.

Find the cheapest month to fly from Siem Reap Angkor to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Siem Reap Angkor to Kathmandu flights are currently cheapest in March.

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Siem Reap Angkor to Kathmandu: Alternative routes

Compare routes from Siem Reap Angkor to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

Kathmandu

5km from central Kathmandu

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from $663

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Siem Reap to Kathmandu: Flight information

The things to know before you go.

Cheapest flight found	$663
Cheapest month to fly	February

Finding cheap flights from Siem Reap Angkor to Kathmandu: Frequently asked questions

How much are round-trip flights from Siem Reap Angkor to Kathmandu?

The best price we found for a round-trip flight from Siem Reap Angkor to Kathmandu is $663. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Siem Reap Angkor to Kathmandu?

Currently, there are no airlines that fly direct from Siem Reap Angkor to Kathmandu. But we found flights with one or more stops from $663.

How many flights are there a week from Siem Reap Angkor to Kathmandu?

There are no flights flying from Siem Reap Angkor to Kathmandu, as of September 2026.

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

The cheapest month to fly from Siem Reap Angkor to Kathmandu is usually February.

Which upcoming date is cheapest to fly from Siem Reap Angkor Airport to Kathmandu Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Siem Reap Angkor Airport to Kathmandu Airport on Saturday, February 27, 2027.

Can I get a direct flight from Siem Reap Angkor Airport to Kathmandu Airport?

No airlines currently offer direct flights between Siem Reap Angkor Airport and Kathmandu Airport. Most routes have one or more stops.

How can I find the best flight deal to Kathmandu?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kathmandu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Kathmandu?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Siem Reap Angkor Airport to Kathmandu?

Currently, Singapore Airlines offers the cheapest flight tickets to Kathmandu.

Flying from Siem Reap–Angkor Airport (SAI) to Kathmandu Airport (KTM): what you need to know

The timezone in Kathmandu is UTC+5:47, which is one hour 12 minutes behind Siem Reap.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to board your SAI to KTM flight.
Be prepared for longer lines during popular months such as December. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a smart move.
Consider adding a stopover when booking your ticket from Siem Reap–Angkor Airport to Kathmandu Airport. Just uncheck 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here are some options between SAI and KTM:
- Kuala Lumpur International Airport
- Bangkok Suvarnabhumi Airport
- Singapore Changi Airport

Handy information about Siem Reap–Angkor Airport (SAI)

When it comes to Siem Reap–Angkor Airport's on-time performance, data shows 76% of flights arrive within the expected timeframe.
Siem Reap–Angkor Airport is about 8 kilometers from central Siem Reap. If you're catching a cab, ride-sharing or driving from the center, it'll take you 15 minutes or so to get there, depending on the traffic.
Planning to take public transport? Expect a journey time of around 25 minutes.

Arriving at Kathmandu Airport (KTM)

Consider staying in a hotel near KTM if you're catching a late Siem Reap–Angkor Airport to Kathmandu Airport flight. Pick one of these options and avoid the hassle of a long transfer:
Venture beyond Kathmandu and check out places that aren't on most itineraries with your own set of wheels. You can grab a Kathmandu Airport rental car from Spark Car.
To get the best deal, book your vehicle from Kathmandu Airport about one week before your trip.

Getting from Kathmandu Airport (KTM) to central Kathmandu

Kathmandu Airport is approximately 6 kilometers from the center of Kathmandu. The drive time takes about 30 minutes.
When traveling by public transport, expect a journey time of roughly 40 minutes.

When to fly to Kathmandu Airport (KTM)

The quietest month for a flight from Siem Reap–Angkor Airport to Kathmandu Airport is March, while November is the most popular. Pick the ideal time to go to Kathmandu based on whether you prefer a more fast-paced or easygoing experience.
When booking your flight from Siem Reap–Angkor Airport to Kathmandu Airport, think about the type of weather you like. June is the warmest month in Kathmandu, with temperatures ranging from 17ºC (63ºF) to 30ºC (86ºF).
January has average temperatures of between 3ºC (37ºF) and 19ºC (66ºF). Search for cheap tickets from SAI to KTM around that time if you want to travel in cooler conditions.

Explore more of Nepal

Kathmandu is always a good idea, but there are so many other parts of Nepal just waiting to be explored. About 145 kilometers north-west of Kathmandu, a visit to Pokhara will keep you on the go. Don't miss top attractions like Phewa Lake, Parahawking and Sarangkot View Point.
Patan is another favorite destination in Nepal and is around 6 kilometers south of Kathmandu. No trip is complete without seeing Patan Durbar Square, Hiranya Varna Mahavihar and Kathmandu.