Question 1

How far ahead should I book a flight from Bangkok to Siem Reap?

Accepted Answer

The price you pay for your flight from Bangkok to Siem Reap may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 2

What is the cheapest day to fly from Bangkok to Siem Reap?

Accepted Answer

Travelers seeking maximum savings on their Bangkok to Siem Reap flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 3

Weekly flight availability from Bangkok to Siem Reap

Accepted Answer

The most flights from TH1 to SAI are scheduled on a Thursday (33 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (32 on average).

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 10.2 inches per month. September is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 in.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 75.2 F).

Question 6

What are the most reliable airlines from Bangkok to Siem Reap?

Accepted Answer

Before booking your flight to Siem Reap from Bangkok, check out the most reliable airlines to get you to your destination on time: Finnair (96%), Etihad Airways (96%), Air France( 92%).

Question 7

What are the most popular airlines that fly from Bangkok to Siem Reap?

Accepted Answer

Consider Thai AirAsia, Bangkok Airways or Thai Airways when booking your flight. These represent the most popular airlines when flying from Bangkok to Siem Reap.

Question 8

What is the cheapest day to fly round-trip from Bangkok to Siem Reap?

Accepted Answer

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 70% when planning your travel around this day of the week.

Question 9

How far in advance should I book a flight from Bangkok to Siem Reap?

Accepted Answer

Travelers have found it’s best to book a flight 16 days in advance to save up to 8% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 16 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Bangkok to Siem Reap 1-2 weeks in advance for as low as $156, or $177 for flights within the next 24 hours.

Question 10

What is the cheapest month to fly from Bangkok to Siem Reap?

Accepted Answer

Our data shows that September tends to be the cheapest month to fly to Siem Reap from Bangkok. Users have commonly found prices around $174 for the month, but tickets can be as low as $123. Due to multiple factors, prepare for potentially higher prices in December.

Question 11

What is the cheapest time of day to fly from BKK to SAI?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Bangkok to Siem Reap at noon. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the afternoon.

Question 12

What airport do you fly into for flights to Siem Reap from Bangkok?

Accepted Answer

Most people fly into Siem Reap–Angkor Intl (SAI) if they book a flight to Siem Reap from Bangkok. On average, Siem Reap–Angkor Intl has 32 inbound flights from Bangkok per day from 3 airlines. Siem Reap–Angkor Intl is conveniently located just 24.7 mi from Siem Reap’s city center.

Question 13

Can I find deals for flights from Bangkok to Siem Reap that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Bangkok to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 14

How can I find direct flights from Bangkok to Siem Reap?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Siem Reap.

Question 15

Can I find deals for business class flights from Bangkok to Siem Reap?

Accepted Answer

Yes. Cheapflights offers flight deals from Bangkok to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Popular in	December
Cheapest in	September
Average price	$181

Airline	Cheapest	Average	Flexibility	On-time
Thai AirAsia	Cheapest$137	Average$164	FlexibilityNo cancel fee	On-time87%
Thai Airways	Cheapest$182	Average$214	FlexibilityNo cancel fee	On-time77%
Bangkok Airways	Cheapest$187	Average$276	FlexibilityNo cancel fee	On-time74%

Cheap flights from Bangkok to Siem Reap, Cambodia (SAI)

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Cheapflights Tip: The best prices from Bangkok to Siem Reap–Angkor Intl are usually found in September or October, booked 15 days in advance, depart on a Friday or Wednesday and return on a Friday

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Best time to book a flight from Bangkok to Siem Reap

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Everything you need to know about your flight from Bangkok to Siem Reap

How far ahead should I book a flight from Bangkok to Siem Reap?

Use this chart to determine the optimal time to book a round-trip flight from Bangkok to Siem Reap. Price data was last updated on July 25, 2025.

What is the cheapest time of day to fly from BKK to SAI?

Find hourly flight availability from Bangkok to Siem Reap. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

What is the cheapest day to fly from Bangkok to Siem Reap?

Use this chart to determine the cheapest time to fly round-trip from Bangkok to Siem Reap. Price data was last updated on July 27, 2025.

Weekly flight availability from Bangkok to Siem Reap

Explore weekly flight availability from Bangkok to Siem Reap. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 31, 2025.

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Siem Reap from Bangkok?

What are the most reliable airlines from Bangkok to Siem Reap?

Can I find deals for flights from Bangkok to Siem Reap that include hotel bookings?

How can I find direct flights from Bangkok to Siem Reap?

Can I find deals for business class flights from Bangkok to Siem Reap?

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