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Cheap flights from Thailand to Siem Reap, Cambodia from ฿2,947

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SAI
21 May — 28 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Thailand to Siem Reap
Explore the most affordable flight options available from Thailand to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 April 2026.

Sun 17/507:35
BKK
-
SAI
Nonstop1h 30m
Bangkok Airways
Wed 20/519:45
SAI
-
BKK
Nonstop1h 35m
Bangkok Airways
Deal found 16/4฿6,311
Thu 14/520:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 21/523:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 19/4฿6,440
Tue 16/620:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 18/623:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 17/4฿6,472
Fri 8/510:05
DMK
-
SAI
Nonstop1h 05m
Thai AirAsia
Sun 10/511:55
SAI
-
DMK
Nonstop1h 05m
Thai AirAsia
Deal found 20/4฿6,472
Wed 13/515:10
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Sat 23/511:55
SAI
-
DMK
Nonstop1h 05m
Thai AirAsia
Deal found 19/4฿6,600
Thu 4/620:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Sat 6/623:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 18/4฿6,632
Wed 13/515:10
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Sun 17/516:55
SAI
-
DMK
Nonstop1h 10m
Thai AirAsia
Deal found 19/4฿6,632
Thu 30/710:55
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Mon 3/809:40
SAI
-
BKK
Nonstop1h 20m
Bangkok Airways
Deal found 16/4฿6,664
Sun 10/510:05
DMK
-
SAI
Nonstop1h 05m
Thai AirAsia
Thu 14/516:55
SAI
-
DMK
Nonstop1h 10m
Thai AirAsia
Deal found 18/4฿6,664
Sat 25/420:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Tue 28/423:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 20/4฿6,696
Sat 25/420:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 30/423:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 21/4฿6,728
Thu 30/415:10
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Thu 7/516:55
SAI
-
DMK
Nonstop1h 10m
Thai AirAsia
Deal found 21/4฿6,760

Find flight deals from Thailand to Siem Reap

Keep the following information in mind while searching for Thailand to Siem Reap flight deals. Data was last updated 21 April 2026.

Round-trip from

฿6,311

One-way from

฿2,947

Popular in

December

Cheapest in

June

Average price

฿6,728
Bangkok Airways
  • Bangkok Airways
  • 17/5-20/5
  • Nonstop
  • 3h 05m total
  • Thailand to Siem Reap
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 8/5
  • Nonstop
  • 1h 05m total
  • Thailand to Siem Reap
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (฿10,662 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿1,288 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Thailand 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 21 April 2026.
Use the filters below to find and compare flights from Thailand to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Fri 8/5

10:05-11:10

Nonstop1h 05m

Siem Reap–Angkor Intl

Sun 10/5

11:55-13:00

Nonstop1h 05m

฿6,472

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Wed 13/5

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Wed 20/5

16:55-18:05

Nonstop1h 10m

฿6,600

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Mon 18/5

10:05-11:10

Nonstop1h 05m

Siem Reap–Angkor Intl

Mon 25/5

11:55-13:00

Nonstop1h 05m

฿6,696

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 9/6

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Thu 25/6

23:50-01:10

Nonstop1h 20m

฿6,760

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sat 17/10

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Thu 29/10

23:50-01:10

Nonstop1h 20m

฿7,080

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Fri 26/6

10:05-11:10

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 1/7

11:55-13:00

Nonstop1h 05m

฿7,080

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Mon 15/6

07:40-09:00

Nonstop1h 20m

Siem Reap–Angkor Intl

Thu 18/6

09:40-11:00

Nonstop1h 20m

฿7,144

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Sun 10/5

10:05-11:10

Nonstop1h 05m

Siem Reap–Angkor Intl

Fri 15/5

11:55-13:00

Nonstop1h 05m

฿7,144

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Thu 30/7

10:05-11:10

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 2/9

11:55-13:00

Nonstop1h 05m

฿7,241

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Mon 13/7

10:05-11:10

Nonstop1h 05m

Siem Reap–Angkor Intl

Fri 17/7

16:55-18:05

Nonstop1h 10m

฿7,273

Flights are sorted by cheapest return flights first.

Deals found on 19/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Thailand to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Thailand 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 Thailand to Siem Reap

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

Currently, February is the cheapest month in which you can book a flight from Thailand to Siem Reap (average of ฿2,050). Flying from Thailand to Siem Reap in January is currently the most expensive (average of ฿7,657). 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 TH to SAI?

Find hourly flight availability from Thailand 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 21 April 2026.

It’s optimal to fly from Thailand to Siem Reap at midday. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly return from Thailand to Siem Reap. Price data was last updated on 18 April 2026.

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

Weekly flight availability from Thailand to Siem Reap

Explore weekly flight availability from Thailand 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 21 April 2026.

The most flights from TH0 to SAI are scheduled on a Tuesday (35 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (30 on average).

How often are flights from Thailand to Siem Reap delayed?

About 20% of weekly flights between Thailand and Siem Reap have experienced delays in the past year, with the average delay time being 84 minutes.

What is the most punctual flight time for Thailand 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 Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 8% of flights being delayed.

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 21 April 2026.
Check out reviews from past customers who have flown with Emirates,Bangkok Airways, andThai AirAsia from Thailand 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
3,561 reviews
Check prices

Crew

8.3

Comfort

8.0

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Emirates
8.1
Very Good
3,561 reviews
Emirates
8.1
Very Good
3,561 reviews
Check prices

Crew

8.3

Comfort

8.0

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Bangkok Airways
8.1
Very Good
128 reviews
Emirates
8.1
Very Good
3,561 reviews
Check prices

Crew

8.3

Comfort

8.0

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Thai AirAsia
7.4
Good
240 reviews
Emirates
8.1
Very Good
3,561 reviews
Check prices

Crew

8.3

Comfort

8.0

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane

Related info for your journey

Find useful and relevant information for your journey from Thailand 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 Thailand?

    Siem Reap–Angkor Intl (SAI), located 39.7 km from the city centre, is the airport you fly into when you book flights from Thailand to Siem Reap.

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

    Departing from Thailand to Siem Reap will take you 1h 05m. There are 394 km between Thailand and Siem Reap. All flights are typically direct.

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

    ฿2,495 is the cheapest one-way deal found within the past few days, from Thai AirAsia. You may also be able to find cheap deals on Bangkok Airways and Emirates, with prices starting from ฿2,841 and ฿3,690, respectively.

  • What are the most popular routes from Thailand to Siem Reap?

    When deciding which route to take from Thailand to Siem Reap, consider Bangkok Suvarnabhumi - Siem Reap–Angkor Intl, Bangkok Don Mueang Intl - Siem Reap–Angkor Intl or Phuket City - Siem Reap–Angkor Intl, as they are the most popular.

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

    Consider Finnair (92%), ออสเตรียนแอร์ไลน์ (92%) or Emirates (91%) when booking your flight. These represent the most reliable airlines when flying from Thailand to Siem Reap.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Siem Reap.

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

    Yes. Cheapflights offers flight deals from Thailand 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 Thailand to Siem Reap?

    Currently, February is the cheapest month in which you can book a flight from Thailand to Siem Reap (average of ฿2,050). Flying from Thailand to Siem Reap in January is currently the most expensive (average of ฿7,657). 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 Thailand 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
Krabi to Siem Reap flights
Ko Samui to Siem Reap flights

Top 3 airlines flying from Thailand to Siem Reap

Discover the top 3 airlines that operate flights from Thailand 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 21 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿3,003Average฿6,550FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
EmiratesCheapest฿6,181Average฿6,493FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Bangkok AirwaysCheapest฿6,386Average฿11,581FlexibilityNo 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 Thailand to Siem Reap?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Thailand to Siem Reap. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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

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

Need flexible booking options for your flight to Siem Reap from Thailand? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Thailand to Siem Reap flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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