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546 € Cheap Flights from Kathmandu to Siem Reap–Angkor

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      Travellers and cabin class, 1 Adult, Economy

      Compare Kathmandu to Siem Reap–Angkor flight deals

      Find the cheapest month or even day of the year to fly to Siem Reap–Angkor

      Book the best Siem Reap–Angkor fare with no extra fees

      Flight deals from Kathmandu to Siem Reap–Angkor

      Looking for a cheap last-minute deal or the best return flight from Kathmandu Airport to Siem Reap–Angkor Airport? If you want to travel next month, return fares start from 787 €. Find the lowest prices on one-way and return tickets right here.
      Siem Reap.546 € per passenger.Departing Fri, 29 Jan, returning Sat, 13 Feb.Return flight with Thai LionAir and Thai AirAsia.Outbound indirect flight with Thai LionAir, departs from Kathmandu on Fri, 29 Jan, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sat, 13 Feb, arriving in Kathmandu.Price includes taxes and charges.From 546 €, select.
      Siem Reap.595 € per passenger.Departing Mon, 9 Nov, returning Mon, 23 Nov.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Kathmandu on Mon, 9 Nov, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai Airways, departs from Siem Reap–Angkor on Mon, 23 Nov, arriving in Kathmandu.Price includes taxes and charges.From 595 €, select.
      Siem Reap.746 € per passenger.Departing Tue, 22 Sep, returning Sun, 27 Sep.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Kathmandu on Tue, 22 Sep, arriving in Siem Reap–Angkor .Inbound indirect flight with Singapore Airlines, departs from Siem Reap–Angkor on Sun, 27 Sep, arriving in Kathmandu.Price includes taxes and charges.From 746 €, select.
      Siem Reap.746 € per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Kathmandu on Tue, 29 Sep, arriving in Siem Reap–Angkor .Inbound indirect flight with Singapore Airlines, departs from Siem Reap–Angkor on Tue, 6 Oct, arriving in Kathmandu.Price includes taxes and charges.From 746 €, select.
      Siem Reap.787 € per passenger.Departing Fri, 16 Oct, returning Tue, 27 Oct.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Kathmandu on Fri, 16 Oct, arriving in Siem Reap–Angkor .Inbound indirect flight with Singapore Airlines, departs from Siem Reap–Angkor on Tue, 27 Oct, arriving in Kathmandu.Price includes taxes and charges.From 787 €, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Kathmandu to Siem Reap–Angkor found in the last 4 days, and are subject to change and availability.

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

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kathmandu to Siem Reap–Angkor flights are currently cheapest in November.
      Sep
      from 746 €
      Oct
      from 787 €
      Nov
      from 595 €
      Dec
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      Jan
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      Feb
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      Mar
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      Kathmandu to Siem Reap–Angkor : Alternative routes

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

      Siem Reap–Angkor

      41km from central Siem Reap
      ClosestCheapest
      from 546 €
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      Kathmandu to Siem Reap: Flight information

      The things to know before you go.
      Cheapest flight found546 €
      Cheapest month to flyJanuary

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

      The best price we found for a return flight from Kathmandu to Siem Reap–Angkor is 546 €. 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.
      Currently, there are no airlines that fly direct from Kathmandu to Siem Reap–Angkor . But we found flights with one or more stops from 546 €.
      As of September 2026, there are no flights flying from Kathmandu to Siem Reap–Angkor .
      The cheapest month to fly from Kathmandu to Siem Reap–Angkor is usually January.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Siem Reap–Angkor Airport on Friday, 29 January 2027.
      No airlines currently offer direct flights between Kathmandu Airport and Siem Reap–Angkor Airport. Most routes have one or more stops.
      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 Siem Reap–Angkor 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.

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

      Currently, Thai LionAir offers the cheapest flight tickets to Siem Reap–Angkor .

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

      • Siem Reap is one hour 12 minutes ahead of Kathmandu and is in the UTC+7 timezone.

      • Leave enough time to make your KTM to SAI flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

      • During popular months such as November, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead for international flights whenever you're travelling during peak periods in general.

      • Think about adding a stopover when booking your ticket from Kathmandu Airport to Siem Reap–Angkor Airport. Just deselect 'Direct flights only' to break up your journey, or visit a new city along the way. Here's where you can stop between KTM and SAI:

        • Kuala Lumpur International Airport

        • Bangkok Suvarnabhumi Airport

        • Singapore Changi Airport

      How to find the cheapest flights from Kathmandu Airport (KTM) to Siem Reap–Angkor Airport (SAI)

      • The cheapest price we've seen for a one-way Kathmandu Airport to Siem Reap–Angkor Airport flight is 252 €. A round-trip ticket is currently 546 €. Depending on the availability and when you book, these fares can change.

      • It's usually smart to book ahead of time if you want to find cheap tickets from KTM to SAI. That's because airlines change prices based on demand, which tends to rise closer to departure.

      • The 'Whole month' tool shows you the cheapest flights from Kathmandu Airport to Siem Reap–Angkor Airport throughout the entire month. It's an easy way to find a bargain if your trip dates aren't set in stone.

      • Stay on top of deals for cheap flights from KTM to SAI by setting up a Price Alert. You'll receive an email or notification through the app when a special offer becomes available.

      • Tailor your trip with filters. Choose your preferred arrival and departure times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Kathmandu Airport to Siem Reap–Angkor Airport.

      Handy information about Kathmandu Airport (KTM)

      • When it comes to the on-time performance of Kathmandu Airport, data shows 51% of flights stick to their scheduled arrival time.

      • Kathmandu Airport is around 6 kilometres from central Kathmandu. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 30 minutes or so to arrive, depending on the traffic.

      • The journey when using public transport takes about 40 minutes.

      • Get your trip off to a stress-free start by staying near KTM. Whether you have an early flight from Kathmandu Airport to Siem Reap–Angkor Airport or just don't like being rushed, these stays are the answer:

      Getting from Siem Reap–Angkor Airport (SAI) to central Siem Reap

      • Siem Reap–Angkor Airport is roughly 8 kilometres from central Siem Reap. The drive time takes about 15 minutes.

      • It takes roughly 25 minutes if you're travelling on public transport.

      When to fly to Siem Reap–Angkor Airport (SAI)

      • December is the most popular month for flights from Kathmandu Airport to Siem Reap–Angkor Airport. To avoid the crowds, visit Siem Reap in June.

      • The warmest month in Siem Reap is March, with the temperature ranging between 22ºC (72ºF) and 38ºC (100ºF). Lock in your flights from Kathmandu Airport to Siem Reap–Angkor Airport in this month if this is the type of weather you like.

      • If you want cooler conditions, search for a cheap ticket from KTM to SAI in January. Average temperatures are between 18ºC (64ºF) and 33ºC (91ºF) then.

      Explore more of Cambodia

      • Siem Reap is always a good idea, but there are so many other corners of Cambodia you'll want to see. Around 225 kilometres south-east of Siem Reap, a trip to Phnom Penh will keep you busy. Don't miss top attractions like Royal Palace, Genocide museum and Documentation Centre of Cambodia.

      • If you want to check out another major destination in Cambodia, consider Sihanoukville, about 306 kilometres south of Siem Reap. Otres Beach, Independence Beach and Sokha Beach are the start of reasons to visit.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.