Cheap Flights from Bangkok (BKKT) to Siem Reap–Angkor (SAI)

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 Airport? If you want to travel next month, return fares start from £158. 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 July.

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 found£82
Cheapest month to flyAugust
Average flight time1 hr, 12 mins
Most popular airlineThai Airways
Average flights per week346

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 £155. 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 12 minutes is the average flight time from Bangkok to Siem Reap–Angkor .
Thai Airways, Turkish Airlines and Qantas fly direct from Bangkok to Siem Reap–Angkor .
As of May 2026, there are 341 flights per week flying from Bangkok to Siem Reap–Angkor .
The cheapest month to fly from Bangkok to Siem Reap–Angkor is usually September.
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 Tuesday, 1 September 2026.
Yes – the average flight time is 1 hour and 12 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 Emirates .

Travelling from Bangkok to Siem Reap Angkor Airport (SAI): What you need to know

  • Bangkok is home to two main airports where you can set off on your adventure. Explore your options for booking a flight from Bangkok to Siem Reap Angkor Airport (SAI) heading out from Bangkok Suvarnabhumi International Airport (BKK) or Bangkok Don Mueang International Airport (DMK).

  • Expect to be travelling for 1 hour 20 minutes. On average, that's the duration of a direct Bangkok to Siem Reap Angkor Airport flight.

  • Siem Reap Angkor Airport is located in Siem Reap. The city's timezone is UTC+7, which is the same as Bangkok.

  • The most popular route is from Bangkok Suvarnabhumi International Airport (BKK) to Siem Reap Angkor Airport (SAI), with 27 direct weekly services. If you're not one for hanging around, the earliest flight from BKK to SAI is the 7:40am Bangkok Airways option. If you prefer travelling later, the final departure is at 8:10pm with Emirates.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to board your flight from Bangkok to SAI.

  • Be prepared for bigger queues during popular months such as February and other peak periods. Arriving up to four hours ahead of an international flight and two hours for domestic departures will give you plenty of time for security and boarding.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

  • Get there in one go from Bangkok Suvarnabhumi International Airport (BKK). Nonstop flights from Bangkok to Siem Reap Angkor Airport (SAI) operate from here.

  • Well-known airlines that have direct flights from Bangkok to Siem Reap Angkor Airport leaving from BKK include:

  • Most passengers choose to fly with Bangkok Airways from BKK to SAI.

  • Among carriers on this route, Thai Airways leads the way for on-time arrivals.

  • The journey from central Bangkok to BKK takes about 35 minutes on public transport. If you ride-share, drive or grab a taxi, you'll cover the 31 kms (19 miles) in 35 minutes or so, depending on traffic.

  • In search of a convenient hotel near Bangkok Suvarnabhumi International Airport? If you've booked an early flight from Bangkok to Siem Reap Angkor Airport, these accommodation options will put you moments from your departure gate:

  • 73% of flights that leave from Bangkok Suvarnabhumi International Airport make it to their destination on time.

Bangkok Don Mueang International Airport (DMK)

  • Planning to catch a flight from Bangkok Don Mueang International Airport (DMK)? Direct Bangkok to Siem Reap Angkor Airport (SAI) plane tickets can be booked from this popular hub.

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

  • On the DMK to SAI route, Thai AirAsia is the preferred choice of many.

  • Flights between Bangkok Don Mueang International Airport and Siem Reap Angkor Airport are more likely to reach their destination on time with Thai AirAsia compared to other carriers.

  • With public transport, you can travel from central Bangkok to DMK in about 1 hour 5 minutes. The terminal is roughly 24 kms (15 miles) away, and making the trip by car takes approximately 35 minutes.

  • Taking off bright and early? Think about checking in to one of these hotels near Bangkok Don Mueang International Airport the day before your Bangkok to SAI flight:

  • Bangkok Don Mueang International Airport has an on-time performance rate of 60%. This figure gives an insight into how frequently flights that take off from this airport land at their destination on time.

About Siem Reap Angkor Airport (SAI)

  • After your flight from Bangkok to Siem Reap Angkor Airport has landed, relax and unwind at a nearby hotel. Chansor Community Homestay 18 is a comfortable option that's an easy drive from SAI.

Getting from Siem Reap Angkor Airport (SAI) to central Siem Reap

  • The centre of Siem Reap is roughly 40 kms (25 miles) from Siem Reap Angkor Airport. Journey times by taxi or car hire will vary depending on traffic conditions, so do a little research before your trip.

  • It takes around 25 minutes when travelling by public transport.

How to find the cheapest flights from Bangkok to Siem Reap Angkor Airport (SAI)

  • Right now, £82 is the lowest price we've found for a one-way ticket from Bangkok to Siem Reap Angkor Airport. The cheapest price for a return flight is £155. Keep in mind fares may change due to demand at the time of booking.

  • Get cheap flights from Bangkok to SAI by booking eight months ahead. Based on our research, that's the ideal time frame for picking up a bargain.

  • January is when you're most likely to find a bargain on a Bangkok to Siem Reap Angkor Airport ticket. If you'd like to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Save time searching for cheap plane tickets from Bangkok to SAI by creating a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

  • Nail down a great price on a flight from Bangkok to Siem Reap Angkor Airport with the help of the filters. Choose your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest.'

The best time to fly from Bangkok to Siem Reap Angkor Airport (SAI)

  • September is the quietest month for flights from Bangkok to Siem Reap Angkor Airport (SAI), while February is the most popular. Figure out the ideal time to visit Siem Reap based on whether you prefer a laid-back vibe or a lively atmosphere.

  • Lock in a Bangkok to SAI plane 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.

  • Search for cheap tickets from Bangkok to Siem Reap Angkor Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 18ºC and 33ºC.

More about Siem Reap

Explore more of Cambodia

  • You've visited Siem Reap, now it's time to explore more of Cambodia. Journey about 209 kms (130 miles) south to Phnom Penh to check off its leading sights. From Royal Palace to Genocide museum and Documentation Centre of Cambodia, there's plenty to keep you busy.

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