Cheap Flights from Bangkok to Siem Reap–Angkor

Compare Bangkok to Siem Reap–Angkor flight deals

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

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Flight deals from Bangkok to Siem Reap–Angkor

Looking for a cheap last-minute deal or the best return flight from Bangkok to Siem Reap–Angkor ? Find the lowest prices on one-way and return tickets right here.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok to Siem Reap–Angkor flights are currently cheapest in August.

Direct flights from Bangkok to Siem Reap–Angkor

Bangkok to Siem Reap–Angkor : Alternative routes

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

Bangkok to Siem Reap: Flight information

The things to know before you go.
Cheapest flight foundRs22,229
Cheapest month to flyAugust
Average flight time1 hr, 10 mins
Most popular airlineTurkish Airlines
Average flights per week250

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

The best price we found for a return flight from Bangkok to Siem Reap–Angkor is Rs47,284. 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.
1 hour and 9 minutes is the average flight time from Bangkok to Siem Reap–Angkor .
Turkish Airlines, Thai Airways and Qantas fly direct from Bangkok to Siem Reap–Angkor .
As of August 2025, there are 250 flights per week flying from Bangkok to Siem Reap–Angkor .
The cheapest month to fly from Bangkok to Siem Reap–Angkor is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Siem Reap–Angkor Airport on Wednesday, 27 August 2025.
Yes – the average flight time is 1 hour and 9 minutes.
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.
The cheapest airline that flies to Siem Reap–Angkor is Thai AirAsia .

Travelling from Bangkok to Siem Reap-Ankor International Airport (SAI): What you need to know

  • Start your holiday planning by considering where you'll take off for your flight from Bangkok to Siem Reap-Ankor International Airport (SAI). Suvarnabhumi Airport (BKK) and Don Mueang International Airport (DMK) are Bangkok's main airports.

  • Expect to be in the air for 1 hour 15 minutes. On average, that's the time it takes for a direct Bangkok to Siem Reap-Ankor International Airport flight.

  • Siem Reap's timezone is UTC+7, which is the same as Bangkok. Siem Reap-Ankor International Airport is located in Siem Reap.

  • The busiest route is from Suvarnabhumi Airport (BKK) to Siem Reap-Ankor International Airport (SAI), with 27 direct services every week. If you're looking to take off without delay, the earliest flight from BKK to SAI is the 7:40am Bangkok Airways service. If a later start suits your schedule, the final departure is at 8:10pm with Emirates.

  • Give yourself enough time to catch your flight from Bangkok to SAI. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Peak travel periods mean busier airports, so aim to get there even earlier. Give yourself at least two hours before a domestic flight and four hours for an international journey to stick to your schedule.

Airports in Bangkok

Suvarnabhumi Airport (BKK)

  • You can jump on a direct flight from Bangkok to Siem Reap-Ankor International Airport (SAI) departing from Suvarnabhumi Airport (BKK).

  • Pick from a variety of carriers that offer direct flights from Bangkok to Siem Reap-Ankor International Airport departing from BKK. Get on board with any of these:

  • The majority of passengers choose to book seats with Bangkok Airways between BKK and SAI.

  • With an impressive 84.75% of services arriving as scheduled, Thai Airways International is the most punctual carrier on this route.

  • Located around 32 kilometres from central Bangkok, BKK can be reached in about 35 minutes by car (depending on traffic). The journey by public transport will take roughly 1 hour 5 minutes.

  • In search of a comfortable hotel near Suvarnabhumi Airport? If you've booked an early flight from Bangkok to Siem Reap-Ankor International Airport, these stays will have you sleeping just around the corner from the terminal:

  • 67.87% of flights leaving from Suvarnabhumi Airport make it to their destination on time.

Don Mueang International Airport (DMK)

  • You can book a direct Bangkok to Siem Reap-Ankor International Airport (SAI) flight ticket with departures from Don Mueang International Airport (DMK). Work out whether leaving from DMK works best for your plans.

  • From DMK, direct flights from Bangkok to SAI can be booked with Thai AirAsia.

  • Thai AirAsia is the most popular choice for travellers flying from DMK to SAI.

  • Flights between Don Mueang International Airport and Siem Reap-Ankor International Airport are more likely to stay on schedule with Thai AirAsia compared to other carriers.

  • DMK is around 27 kilometres from central Bangkok. It'll take 30 minutes or so to get to the airport by car from the city centre. Public transport takes approximately 1 hour 5 minutes.

  • Flying off with the first light? Think about staying at one of these hotels near Don Mueang International Airport the day before your Bangkok to SAI flight:

  • 66.48% of flights out of Don Mueang International Airport make it to their destination as expected.

About Siem Reap-Ankor International Airport (SAI)

  • Consider checking in to Chansor Community Homestay 18 after your flight from Bangkok to Siem Reap-Ankor International Airport. It's not too far from SAI and a good option if you'd like to get some rest right away.

How to find the cheapest flights from Bangkok to Siem Reap-Ankor International Airport (SAI)

  • The cheapest price we've found for a one-way ticket from Bangkok to Siem Reap-Ankor International Airport is Rs22,229. For a return flight on this route, the best price is Rs47,284. Depending on how early you book and the availability, these fares can change.

  • Score cheap flights from Bangkok to SAI by booking eight months ahead. Based on our research, that's the sweet spot for landing a bargain.

  • Organise your trip for January. That's the best month for landing an incredible deal on Bangkok to Siem Reap-Ankor International Airport tickets. If you're flexible on when you fly, use the 'Whole month' tool to find the lowest price across each month.

  • There's no need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's a better deal on flight tickets from Bangkok to SAI.

  • Tailor your travel plans using filters. Select your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Bangkok to Siem Reap-Ankor International Airport.

The best time to fly from Bangkok to Siem Reap-Ankor International Airport (SAI)

  • Think about the kind of experience you want when picking your flight dates. April is the quietest month to visit Siem Reap. August is when most people book flights from Bangkok to Siem Reap-Ankor International Airport (SAI), which may be ideal if you'd rather travel when it's busy.

  • Lock in a Bangkok to SAI flight ticket departing in March if you're eager to explore the city during its warmest month. Expect temperatures in Siem Reap to range from 22ºC to 38ºC.

  • If you want cooler conditions, look for a cheap ticket from Bangkok to Siem Reap-Ankor International Airport in January when temperatures are between 18ºC and 33ºC.

More about Siem Reap

Explore more of Cambodia

  • Siem Reap has its own special appeal, but there are so many other parts of Cambodia you should also see. About 209 kilometres south of Siem Reap, a trip to Phnom Penh will keep you busy. Start with leading sights like Royal Palace, Tuol Sleng Genocide Museum and Genocide museum.

  • If you're eager to discover another great destination in Cambodia, head for Ta Khmau, roughly 225 kilometres south of Siem Reap. មាត់ទន្លេតាខ្មៅ - Ta Khmao Riverside, Statue of Ta Khmau and AV are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.