RM 513 Find Cheap Flights from Siem Reap to Southeast Asia

1 adult
1 adult, Economy, 0 bags

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Useful Info

Good to know

Low seasonMarch
Best time to beat the crowds (7% less expensive on average)
Most popular time to fly (1% more expensive on average)

Flights from Siem Reap to Southeast Asia: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Siem Reap to Southeast Asia 
Learn how KAYAK collects reviews and tips from users.
Verified travelerFlew with Bangkok Airways
SAI
-
BKK
Mar 2026
Bring water and snack or stuff if you get board on short flights
Verified travelerFlew with VietJet Air
SAI
-
HAN
Jun 2025
warn passenger about the correct name and middle name necessity in the visa application for Vietnam
DennisFlew with AirAsia Cambodia
SAI
-
PNH
Nov 2024
Quick and easy, time wise you can consider to go by car but the check in and security for a domestic flight are just as quick.

FAQs for booking flights from Siem Reap to Southeast Asia

  • How does KAYAK find such low prices on flights from Siem Reap to Southeast Asia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Siem Reap to Southeast Asia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Siem Reap to Southeast Asia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Siem Reap to Southeast Asia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Siem Reap to Southeast Asia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Siem Reap to Southeast Asia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Siem Reap to Southeast Asia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Siem Reap to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines fly most frequently to Southeast Asia?

    Vietnam Airlines connects Siem Reap to Southeast Asia with 41 flights per week. Cambodia Angkor Air also offers 41 flights per week, while JAL follows with 34 flights per week.

  • How many airports are there in Southeast Asia?

    There are 23 airports in Southeast Asia. The busiest airport is Singapore Changi Airport (SIN), with 16% of all flights arriving there.

  • Which is the cheapest airport to fly into in Southeast Asia?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Southeast Asia is Bangkok Don Mueang Intl Airport (DMK), with an average flight price of RM 456.

  • What is the cheapest day to fly to Southeast Asia?

    Based on KAYAK data, the cheapest day to fly to Southeast Asia is Tuesday when return tickets can be as cheap as RM 692. On the other hand, the most expensive day to fly is Friday, when return prices are RM 810 on average.

  • What is the cheapest time of day to fly to Southeast Asia?

    The cheapest time of day to fly to Southeast Asia is generally in the afternoon, when retur flights cost RM 733 on average. Morning departures are around 36% more expensive than evening flights, on average. The most expensive time of day to fly to Southeast Asia is generally in the morning, which is peak travel time and where the average cost of a ticket is RM 1,023.

  • What is the cheapest flight to Southeast Asia?

    The cheapest ticket to Southeast Asia from Siem Reap found in the last 72 hours was to Bangkok Don Mueang Intl Airport, at RM 802 return. The most popular route is Siem Reap (SAI) to Ho Chi Minh City (SGN) and the cheapest return airline ticket found on this route in the last 72 hours was RM 1,062.

  • What is the cheapest month to fly from Siem Reap to Southeast Asia?

    The cheapest month for flights from Siem Reap to Southeast Asia is July, when tickets cost RM 948 (return) on average. On the other hand, the most expensive months are February and November, when the average cost of round-trip tickets is RM 2,251 and RM 2,168 respectively.

  • How far in advance should I book a flight from Siem Reap to Southeast Asia?

    To get a below-average price on a flight from Siem Reap to Southeast Asia, you should book around 2 weeks before departure, which saves you about 22% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

  • How many cities have direct flights to Southeast Asia?

    From Siem Reap, there are direct flights to Southeast Asia from one city. This city is Siem Reap and there are 555 direct flights each week.

  • How many direct flights to Southeast Asia are there each day?

    There are around 80 direct flights from within Siem Reap to Southeast Asia every day. Most flights (39%) depart in the evening.

  • How many direct flights to Southeast Asia are there each week?

    Each week there are around 555 direct flights from within Siem Reap to Southeast Asia. The most common day for departures is Friday, with 15% of flights taking off on this day.

  • How long is the flight to Southeast Asia?

    An average direct flight from Siem Reap to Southeast Asia takes 6h 40m, covering a distance of 1778 km. The shortest route is Siem Reap (SAI) to Kuala Lumpur Intl Airport (KUL) with an average flight time of 2h 10m.

  • How many long-haul flights are there to Southeast Asia each week?

    There aren’t any long-haul (6-12 hour flight duration) or medium-haul (3-6 hour flight duration) flights to Southeast Asia. Instead, there are 555 short-haul flights (up to 3 hour flight duration), with the most arriving from Siem Reap.

  • What is the most popular destination in Southeast Asia?

    Based on KAYAK flight searches, the most popular destination is Penang (100% of total searches to Southeast Asia).

Everything you need to know for your flight to Southeast Asia

Cabin class types available on flights to Siem Reap

Cabin classes available on flights to Siem Reap. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class Flights to Southeast Asia
Business Class Flights to Southeast Asia
Premium Economy Class Flights to Southeast Asia
Economy class Flights to Southeast Asiafrom RM 494