Question 1

How often are flights from Bangkok to Siem Reap delayed?

Accepted Answer

Historically, on average around 20% of flights between Bangkok and Siem Reap have experienced a delay on any given week. The average delay length over the past 12 months has been 82 minutes.

Question 2

What cabin class options are available on Bangkok to Siem Reap–Angkor Intl flights?

Accepted Answer

There are 2 cabin classes available to choose from on Bangkok to Siem Reap–Angkor Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 3

Which airlines fly to Siem Reap?

Accepted Answer

Thai AirAsia, Bangkok Airways and Thai Airways are the top three most popular airlines that fly to Siem Reap from Bangkok according to our data. Thai AirAsia is the first choice among our users, with 78% of people opting to fly with this airline when travelling to Siem Reap. Keep in mind that there are 3 different airlines that fly to Siem Reap on a routine basis, so you have a few additional options to choose from.

Question 4

What is the cheapest month to fly to Siem Reap?

Accepted Answer

The month of June is, on average, the cheapest month to fly to Siem Reap from Bangkok, with most prices found around £122. If you don’t want to visit Siem Reap in June, then you should wait until March to fly from Bangkok, when ticket prices are also cheap, with an average price of £126.

Question 5

What is the cheapest day to depart on your flight to Siem Reap?

Accepted Answer

On average, the least expensive day to fly to Siem Reap from Bangkok is on a Thursday. momondo users have found tickets for Thursday departures for as low as £150. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £181. These prices are subject to change though, so be sure to set up a Price Alert for flights to Siem Reap.

Question 6

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

Accepted Answer

You are more likely to see cheaper flights to Siem Reap from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Siem Reap for around £142 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Siem Reap from Bangkok for as low as £133 on momondo.

Question 7

What is the cheapest time of day to depart on your flight to Siem Reap?

Accepted Answer

The cheapest time of day to fly to Siem Reap is in the evening when flights can be purchased for as low as £129. In contrast, the most expensive time of day to depart to Siem Reap is in the afternoon when prices are around £150.

Question 8

What is the most punctual flight time for Bangkok to Siem Reap flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Question 9

How many flights depart from Bangkok to Siem Reap on average per week?

Accepted Answer

272 flights are operational weekly from Bangkok to Siem Reap as of January 2026. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.

Question 10

What is the cheapest Bangkok to Siem Reap–Angkor Intl flight route?

Accepted Answer

Fly from Bangkok Don Mueang Intl to Siem Reap–Angkor Intl for the best Bangkok - Siem Reap–Angkor Intl flight prices

Question 11

Which airline has the best punctuality record on Bangkok to Siem Reap flights?

Accepted Answer

According to our data, AMELIA have had the fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

Question 12

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Question 13

What is the cheapest airline that flies from Bangkok to Siem Reap–Angkor Intl?

Accepted Answer

Cambodia Angkor Air is the most popular carrier operating from Bangkok to Siem Reap–Angkor Intl

Question 14

How many flights depart from Bangkok to Siem Reap on average per day?

Accepted Answer

As of January 2026, there are 38 flights per day flying from Bangkok to Siem Reap. The most common time of day flights depart is 16:00, with 55% of flights taking off at midday.

Question 15

When did momondo last update prices for flights from Bangkok to Siem Reap–Angkor Intl Airport?

Accepted Answer

Prices for flights from Bangkok to Siem Reap–Angkor Intl Airport refresh daily.

Question 16

How many operators does momondo search for flights from Bangkok to Siem Reap–Angkor Intl Airport?

Accepted Answer

As of January 2026, there are 3 operators available to choose from for flights from Bangkok to Siem Reap–Angkor Intl Airport.

Question 17

How old do you have to be to fly from Bangkok to Siem Reap–Angkor Intl Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangkok to Siem Reap–Angkor Intl Airport.

Question 18

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

Accepted Answer

The required travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Fastest flight time	26h 05m
Direct flights	Every day
Airports in Siem Reap	1 airport

Airline	Rating	Free Cancellation	Price
Thai Airways	PriceFrom £77	Free Cancellation	Rating 7.8 378 reviews	Search Thai Airways flights
Thai AirAsia	PriceFrom £98	Free Cancellation	Rating 7.4 226 reviews	Search Thai AirAsia flights
Bangkok Airways	PriceFrom £138	Free Cancellation	Rating 8.1 120 reviews	Search Bangkok Airways flights

Cheap flights from Bangkok to Siem Reap from £68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok to Siem Reap departing on 14/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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What is the cheapest month to fly to Siem Reap?

The month of June is, on average, the cheapest month to fly to Siem Reap from Bangkok, with most prices found around £122. If you don’t want to visit Siem Reap in June, then you should wait until March to fly from Bangkok, when ticket prices are also cheap, with an average price of £126.

What is the cheapest day to depart on your flight to Siem Reap?

What is the cheapest time of day to depart on your flight to Siem Reap?

The cheapest time of day to fly to Siem Reap is in the evening when flights can be purchased for as low as £129. In contrast, the most expensive time of day to depart to Siem Reap is in the afternoon when prices are around £150.

What is the cheapest Bangkok to Siem Reap–Angkor Intl flight route?

Fly from Bangkok Don Mueang Intl to Siem Reap–Angkor Intl for the best Bangkok - Siem Reap–Angkor Intl flight prices

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

What cabin class options are available on Bangkok to Siem Reap–Angkor Intl flights?

There are 2 cabin classes available to choose from on Bangkok to Siem Reap–Angkor Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Bangkok to Siem Reap–Angkor Intl?

Cambodia Angkor Air is the most popular carrier operating from Bangkok to Siem Reap–Angkor Intl

Which airlines fly to Siem Reap?

How often are flights from Bangkok to Siem Reap delayed?

Historically, on average around 20% of flights between Bangkok and Siem Reap have experienced a delay on any given week. The average delay length over the past 12 months has been 82 minutes.

What is the most punctual flight time for Bangkok to Siem Reap flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Bangkok to Siem Reap flights?

According to our data, AMELIA have had the fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

How many flights depart from Bangkok to Siem Reap on average per day?

As of January 2026, there are 38 flights per day flying from Bangkok to Siem Reap. The most common time of day flights depart is 16:00, with 55% of flights taking off at midday.

How many flights depart from Bangkok to Siem Reap on average per week?

272 flights are operational weekly from Bangkok to Siem Reap as of January 2026. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.

Cheap Bangkok to Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok to Siem Reap

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How far is Bangkok to Siem Reap–Angkor Intl by plane?

When did momondo last update prices for flights from Bangkok to Siem Reap–Angkor Intl Airport?

How many operators does momondo search for flights from Bangkok to Siem Reap–Angkor Intl Airport?

How old do you have to be to fly from Bangkok to Siem Reap–Angkor Intl Airport?

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

Best airlines flying from Bangkok to Siem Reap

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Why should I use momondo to find a flight deal from Bangkok to Siem Reap?

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