Cheap flights from Siem Reap to Bangkok from £95

If you don’t want to visit Bangkok Suvarnabhumi Airport in June, then you should wait until September to fly from Siem Reap, when ticket prices are also cheap, with an average price of £139.

According to our data, the cheapest time of day to fly to Bangkok Suvarnabhumi Airport is in the afternoon. momondo users have found flights departing from Siem Reap to Bangkok Suvarnabhumi Airport in the afternoon for as low as £137. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £637 on average. Flights to Bangkok Suvarnabhumi Airport from Siem Reap in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Siem Reap when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around £160 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Siem Reap for as low as £121 on momondo.

You could potentially save up to 8% on your flight if you consider stops on a Siem Reap to Bangkok Suvarnabhumi Airport flight.

Historically, on average around 8% of flights between Siem Reap and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 94 minutes.

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

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.

According to our data, Bangkok Airways have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

The number of flights available between Siem Reap and Bangkok Suvarnabhumi Airport is 31 per day as of May 2026. The most frequent departure time is 19:00, with 40% of daily flights leaving in the evening.

As of May 2026, there are 219 flights per week flying from Siem Reap to Bangkok Suvarnabhumi Airport. The most common day of the week flights depart is Sat, with 15% of flights taking off on this day.