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Cheap flights from Bangkok to Siem Reap, Cambodia from ฿3,123

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SAI
27 Aug — 3 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 60 days in advance, depart on a Wednesday or Monday 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
Explore the most affordable flight options available from Bangkok to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 July 2026.

Tue 10/1119:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 12/1123:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 26/7฿7,219
Wed 26/810:05
DMK
-
SAI
Nonstop1h 05m
Thai AirAsia
Sat 29/811:55
SAI
-
DMK
Nonstop1h 05m
Thai AirAsia
Deal found 23/7฿7,219
Thu 30/720:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 13/823:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 24/7฿7,286
Wed 26/810:05
DMK
-
SAI
Nonstop1h 05m
Thai AirAsia
Thu 27/811:55
SAI
-
DMK
Nonstop1h 05m
Thai AirAsia
Deal found 23/7฿7,286
Wed 9/907:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Sun 13/919:35
SAI
-
BKK
Nonstop1h 35m
Bangkok Airways
Deal found 25/7฿7,320
Tue 17/1115:00
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Sun 29/1111:45
SAI
-
DMK
Nonstop1h 15m
Thai AirAsia
Deal found 26/7฿7,320
Thu 13/820:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Tue 25/823:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 25/7฿7,353
Thu 17/1209:55
DMK
-
SAI
Nonstop1h 05m
Thai AirAsia
Fri 1/120:45
SAI
-
DMK
Nonstop1h 10m
Thai AirAsia
Deal found 26/7฿7,353
Sat 5/907:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Sun 6/919:35
SAI
-
BKK
Nonstop1h 35m
Bangkok Airways
Deal found 27/7฿7,387
Thu 15/1015:10
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Sat 17/1016:55
SAI
-
DMK
Nonstop1h 10m
Thai AirAsia
Deal found 23/7฿7,387
Thu 6/815:10
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Thu 13/811:55
SAI
-
DMK
Nonstop1h 05m
Thai AirAsia
Deal found 24/7฿7,421
Tue 8/920:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 10/923:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 27/7฿7,454

Find flight deals from Bangkok to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 July 2026.

Round-trip from

฿7,219

One-way from

฿3,123

Popular in

July

Cheapest in

September

Average price

฿8,361
Emirates
  • Emirates
  • 10/11-12/11
  • Nonstop
  • 2h 40m total
  • Bangkok to Siem Reap
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 6/12
  • Nonstop
  • 1h 05m total
  • Bangkok to Siem Reap
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿13,677 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿3,112 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok to Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 28 July 2026.
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 - SAI

DMKSAI

Bangkok Don Mueang Intl

Thu 15/10

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Sat 17/10

16:55-18:05

Nonstop1h 10m

฿7,387

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Sat 28/11

09:55-11:00

Nonstop1h 05m

Siem Reap–Angkor Intl

Tue 1/12

16:50-18:05

Nonstop1h 15m

฿7,421

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Thu 15/10

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 17/10

23:50-01:10

Nonstop1h 20m

฿7,488

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Thu 17/9

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 19/9

23:50-01:10

Nonstop1h 20m

฿7,521

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Tue 15/9

10:05-11:10

Nonstop1h 05m

Siem Reap–Angkor Intl

Fri 18/9

16:55-18:05

Nonstop1h 10m

฿7,555

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Sat 15/8

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Sat 22/8

11:55-13:00

Nonstop1h 05m

฿7,555

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Mon 14/9

14:50-11:15

1 stop20h 25m

Siem Reap–Angkor Intl

Wed 16/9

15:10-13:55

1 stop22h 45m

฿7,622
Fastest return journey

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Mon 16/11

07:45-08:45

Nonstop1h 00m

Siem Reap–Angkor Intl

Thu 19/11

09:50-10:55

Nonstop1h 05m

฿7,656

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Wed 9/9

07:40-09:00

Nonstop1h 20m

Siem Reap–Angkor Intl

Mon 14/9

12:55-14:25

Nonstop1h 30m

฿7,823

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Mon 18/1

07:55-09:15

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 23/1

13:20-14:45

Nonstop1h 25m

฿7,857

Flights are sorted by cheapest return flights first.

Deals found on 27/7

Showing 1-10 of 39 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 ฿6,581). Flying from Bangkok to Siem Reap in July is currently the most expensive (average of ฿8,260). 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?

Find hourly flight availability from Bangkok to Siem Reap. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 July 2026.

It’s typically best to fly out from Bangkok to Siem Reap in the evening. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Bangkok to Siem Reap

Explore weekly flight availability from Bangkok to Siem Reap. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 28 July 2026.

The most flights from TH1 to SAI are scheduled on a Tuesday (37 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (15 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 ฿6,816 and ฿8,126 in November.
The cheapest return price found within the last 5 days was ฿7,219 on Emirates (10 Nov–12 Nov).

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 86 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 10% 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 59 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?

Use this chart to determine the cheapest time to fly return from Bangkok to Siem Reap. Price data was last updated on 25 April 2026.

Travellers seeking maximum savings on their Bangkok to Siem Reap flight should consider departing on Thursday evenings 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

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated 28 July 2026.
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
3,640 reviews
Check prices

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Crew

8.4

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
3,640 reviews
Emirates
8.1
Very Good
3,640 reviews
Check prices

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Crew

8.4

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
3,640 reviews
Check prices

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Crew

8.4

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
3,640 reviews
Check prices

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Crew

8.4

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

Find useful and relevant information for your journey from Bangkok to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 31 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, Emirates, and แคมโบเดีย อังกอร์ แอร์ can get you from Bangkok to Siem Reap in just under 1h. Your travel time can differ by up to 19h 25m. The distance between Bangkok and Siem Reap is about 394 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 ฿3,133. Other airlines that can offer you cheap pricing are Emirates, from ฿6,608, and Bangkok Airways, from ฿8,053. 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 ฿2,798. Bangkok Airways flights start at ฿2,988 while deals on Emirates start at ฿3,867 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 (96%), Emirates (92%), แอร์ฟร้านซ์( 91%).

  • 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 ฿6,581). Flying from Bangkok to Siem Reap in July is currently the most expensive (average of ฿8,260). 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

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Alternative routes for Bangkok to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.
Phuket City to Siem Reap flights
Chiang Mai to Siem Reap flights
Ko Samui to Siem Reap flights
Krabi to Siem Reap flights

Top 3 airlines flying from Bangkok to Siem Reap

Discover the top 3 airlines that operate flights from Bangkok to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 28 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿3,133Average฿6,861FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
EmiratesCheapest฿6,608Average฿6,805FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Bangkok AirwaysCheapest฿8,053Average฿12,137FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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