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Cheap flights from Bangkok to Siem Reap, Cambodia from ฿2,937

BKK — SAI
23 Sep — 30 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to Siem Reap–Angkor Intl are usually found in September or October, booked 56 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Bangkok to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Siem Reap

Fri 18/907:40 -
Nonstop1h 20m
Sun 20/912:55 -
Nonstop1h 30m
Deal found 21/8฿6,919
Thu 1/1010:05 -
Nonstop1h 05m
Mon 5/1016:55 -
Nonstop1h 10m
Deal found 20/8฿6,919
Tue 15/907:40 -
Nonstop1h 20m
Thu 17/919:35 -
Nonstop1h 35m
Deal found 23/8฿6,951
Fri 18/910:05 -
Nonstop1h 05m
Fri 25/916:55 -
Nonstop1h 10m
Deal found 19/8฿6,951
Sun 30/810:05 -
Nonstop1h 05m
Wed 16/916:55 -
Nonstop1h 10m
Deal found 21/8฿6,984
Sat 19/910:55 -
Nonstop1h 20m
Tue 22/909:40 -
Nonstop1h 20m
Deal found 23/8฿7,017
Sun 27/917:35 -
Nonstop1h 20m
Fri 2/1019:35 -
Nonstop1h 35m
Deal found 21/8฿7,049
Fri 2/1010:05 -
Nonstop1h 05m
Mon 5/1016:55 -
Nonstop1h 10m
Deal found 22/8฿7,049
Tue 15/907:40 -
Nonstop1h 20m
Fri 18/909:40 -
Nonstop1h 20m
Deal found 22/8฿7,082
Wed 9/915:10 -
Nonstop1h 00m
Mon 14/911:55 -
Nonstop1h 05m
Deal found 21/8฿7,082
Fri 18/910:05 -
Nonstop1h 05m
Mon 21/916:55 -
Nonstop1h 10m
Deal found 22/8฿7,114
Wed 9/907:40 -
Nonstop1h 20m
Mon 14/909:40 -
Nonstop1h 20m
Deal found 22/8฿7,147

Find flight deals from Bangkok to Siem Reap

Round-trip from

฿6,919

One-way from

฿2,937

Popular in

July

Cheapest in

September

Average price

฿7,637
Bangkok Airways
  • Bangkok Airways
  • 18/9-20/9
  • Nonstop
  • 2h 50m total
  • Bangkok to Siem Reap
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Thai AirAsia
  • Thai AirAsia
  • 16/1
  • Nonstop
  • 1h 05m total
  • Bangkok to Siem Reap
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿15,059 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (฿2,630 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Bangkok to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokSiem Reap

DMK Bangkok Don Mueang Intl - SAI Siem Reap–Angkor Intl

DMKSAI

Bangkok Don Mueang Intl

Wed 28/10

09:55-11:00

Nonstop1h 05m

Siem Reap–Angkor Intl

Sun 1/11

16:50-18:05

Nonstop1h 15m

฿6,984

BangkokSiem Reap

DMK Bangkok Don Mueang Intl - SAI Siem Reap–Angkor Intl

DMKSAI

Bangkok Don Mueang Intl

Sat 9/1

19:00-20:00

Nonstop1h 00m

Siem Reap–Angkor Intl

Sat 16/1

20:45-21:55

Nonstop1h 10m

฿6,984

BangkokSiem Reap

BKK Bangkok Suvarnabhumi - SAI Siem Reap–Angkor Intl

BKKSAI

Bangkok Suvarnabhumi

Fri 22/1

07:55-09:15

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 26/1

13:20-14:45

Nonstop1h 25m

฿7,049

BangkokSiem Reap

DMK Bangkok Don Mueang Intl - SAI Siem Reap–Angkor Intl

DMKSAI

Bangkok Don Mueang Intl

Thu 4/2

19:00-20:00

Nonstop1h 00m

Siem Reap–Angkor Intl

Sun 7/2

20:45-21:55

Nonstop1h 10m

฿7,049

BangkokSiem Reap

BKK Bangkok Suvarnabhumi - SAI Siem Reap–Angkor Intl

BKKSAI

Bangkok Suvarnabhumi

Thu 1/10

07:40-09:00

Nonstop1h 20m

Siem Reap–Angkor Intl

Mon 5/10

19:35-21:10

Nonstop1h 35m

฿7,082

BangkokSiem Reap

DMK Bangkok Don Mueang Intl - SAI Siem Reap–Angkor Intl

DMKSAI

Bangkok Don Mueang Intl

Wed 20/1

09:55-11:00

Nonstop1h 05m

Siem Reap–Angkor Intl

Thu 21/1

20:45-21:55

Nonstop1h 10m

฿7,082
Fastest return journey

BangkokSiem Reap

DMK Bangkok Don Mueang Intl - SAI Siem Reap–Angkor Intl

DMKSAI

Bangkok Don Mueang Intl

Wed 9/9

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Mon 14/9

11:55-13:00

Nonstop1h 05m

฿7,082

BangkokSiem Reap

DMK Bangkok Don Mueang Intl - SAI Siem Reap–Angkor Intl

DMKSAI

Bangkok Don Mueang Intl

Wed 13/1

09:55-11:00

Nonstop1h 05m

Siem Reap–Angkor Intl

Mon 1/2

20:45-21:55

Nonstop1h 10m

฿7,082

BangkokSiem Reap

BKK Bangkok Suvarnabhumi - SAI Siem Reap–Angkor Intl

BKKSAI

Bangkok Suvarnabhumi

Thu 1/10

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 10/10

23:50-01:10

Nonstop1h 20m

฿7,376

BangkokSiem Reap

BKK Bangkok Suvarnabhumi - SAI Siem Reap–Angkor Intl

BKKSAI

Bangkok Suvarnabhumi

Tue 3/11

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 17/11

23:50-01:10

Nonstop1h 20m

฿7,408

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Showing 1-10 of 32 resultsSorted by cheapest first
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Best time to book a flight from Bangkok to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Bangkok with our price prediction graph.
Estimated return price

Cheapflights Insights

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

What is the cheapest month to book a flight from Bangkok to Siem Reap?

Currently, September is the cheapest month in which you can book a flight from Bangkok to Siem Reap (average of ฿6,494). Flying from Bangkok to Siem Reap in July is currently the most expensive (average of ฿8,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

It’s typically best to fly out from Bangkok to Siem Reap at midday. Doing so could potentially save you 24% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Bangkok to Siem Reap

The most flights from TH1 to SAI are scheduled on a Tuesday (37 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (35 on average).

How much does it cost for a return flight from Bangkok to Siem Reap?

Airfare is typical for this route at the moment.
Bangkok to Siem Reap flights typically cost between ฿6,445 and ฿8,289 in September.
The cheapest return price found within the last 5 days was ฿6,919 on Bangkok Airways (18 Sep–20 Sep).

How often are flights from Bangkok to Siem Reap delayed?

About 19% of weekly flights between Bangkok and Siem Reap have experienced delays in the past year, with the average delay time being 85 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Bangkok Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Bangkok to Siem Reap, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Travellers seeking maximum savings on their Bangkok to Siem Reap flight should consider departing on Wednesday at midday when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Siem Reap

Check out reviews from past customers who have flown with Emirates,Bangkok Airways, andThai AirAsia from Bangkok to Siem Reap to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,656 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.2

Crew

8.4

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Karen,May 2026

BKK - DXB

Staff are very attentive. Food is good and enough. Planes are ckean and economy space is good. Would like more recent movies on the list.
Emirates
8.1
Very Good
3,656 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.2

Crew

8.4

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Karen,May 2026

BKK - DXB

Staff are very attentive. Food is good and enough. Planes are ckean and economy space is good. Would like more recent movies on the list.
Bangkok Airways
8.1
Very Good
133 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.2

Crew

8.4

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Karen,May 2026

BKK - DXB

Staff are very attentive. Food is good and enough. Planes are ckean and economy space is good. Would like more recent movies on the list.
Thai AirAsia
7.4
Good
246 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.2

Crew

8.4

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Karen,May 2026

BKK - DXB

Staff are very attentive. Food is good and enough. Planes are ckean and economy space is good. Would like more recent movies on the list.

Related info for your journey

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

    For a flight from Bangkok to Siem Reap, you will be flying into Siem Reap–Angkor Intl. Siem Reap–Angkor Intl (SAI) is just 39.7 km from the centre vof the city. Siem Reap–Angkor Intl is the only Siem Reap airport and it handles 35 inbound flights from Bangkok per day. 3 airlines have flights to Siem Reap–Angkor Intl from Bangkok on a regular basis.

  • How long is the flight from Bangkok to Siem Reap?

    Thai AirAsia, Bangkok Airways, and Emirates can get you from Bangkok to Siem Reap in just under 1h 05m. Your travel time will be generally consistent. The distance between Bangkok and Siem Reap is about 394 km. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from Bangkok to Siem Reap round-trip?

    Cheapflights users have booked flights from Bangkok to Siem Reap return from ฿3,059. Other airlines that can offer you cheap pricing are Emirates, from ฿6,423, and Bangkok Airways, from ฿6,714. Thai AirAsia is priced at 57% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Bangkok to Siem Reap one-way?

    To fly one-way, consider booking your trip with Thai AirAsia, which is currently one of the cheapest options available, starting at ฿2,740. Bangkok Airways flights start at ฿3,111 while deals on Emirates start at ฿3,748 one-way.

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

    Before booking your flight to Siem Reap from Bangkok, have a look at the most reliable airlines to get you to your destination on time: Finnair (85%), Emirates (81%), แควนตัสแอร์เวย์( 77%).

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

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

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

    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.

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

    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.

  • What is the cheapest month to book a flight from Bangkok to Siem Reap?

    Currently, September is the cheapest month in which you can book a flight from Bangkok to Siem Reap (average of ฿6,494). Flying from Bangkok to Siem Reap in July is currently the most expensive (average of ฿8,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Bangkok to Siem Reap

Phuket City to Siem Reap flights
Chiang Mai to Siem Reap flights
Krabi to Siem Reap flights
Ko Samui to Siem Reap flights

Top 3 airlines flying from Bangkok to Siem Reap

AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿3,059Average฿6,637FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
EmiratesCheapest฿6,423Average฿6,614FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Bangkok AirwaysCheapest฿6,714Average฿8,742FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

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How does Cheapflights help users find flights from Bangkok to Siem Reap?

Cheapflights makes it easy to find Bangkok to Siem Reap flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Bangkok to Siem Reap?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Bangkok to Siem Reap for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Bangkok to Siem Reap with no change fees?

Yes, we can. To see specific flights from Bangkok to Siem Reap with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Bangkok to Siem Reap become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Siem Reap from Bangkok today and book when prices fit your budget.

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