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Cheap flights from Thailand to Siem Reap, Cambodia from ฿3,067

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SAI
6 Jun — 13 Jun1
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 7 May 2026.

Wed 11/1114:30
HKT
-
SAI
Nonstop1h 35m
Thai AirAsia
Thu 12/1116:50
SAI
-
HKT
Nonstop1h 35m
Thai AirAsia
Deal found 4/5฿6,264
Thu 4/607:35
BKK
-
SAI
Nonstop1h 30m
Bangkok Airways
Sun 7/619:45
SAI
-
BKK
Nonstop1h 35m
Bangkok Airways
Deal found 5/5฿6,490
Thu 4/617:35
BKK
-
SAI
Nonstop1h 30m
Bangkok Airways
Thu 11/609:40
SAI
-
BKK
Nonstop1h 20m
Bangkok Airways
Deal found 5/5฿6,554
Mon 15/607:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Thu 18/609:40
SAI
-
BKK
Nonstop1h 20m
Bangkok Airways
Deal found 6/5฿6,651
Tue 9/610:50
BKK
-
SAI
Nonstop1h 30m
Bangkok Airways
Fri 12/619:35
SAI
-
BKK
Nonstop1h 30m
Bangkok Airways
Deal found 5/5฿6,684
Sun 17/515:10
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Thu 21/511:55
SAI
-
DMK
Nonstop1h 05m
Thai AirAsia
Deal found 2/5฿6,748
Wed 10/615:10
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Thu 11/611:55
SAI
-
DMK
Nonstop1h 05m
Thai AirAsia
Deal found 2/5฿6,780
Wed 9/907:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Mon 14/912:55
SAI
-
BKK
Nonstop1h 30m
Bangkok Airways
Deal found 2/5฿6,845
Sat 9/515:10
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Tue 12/516:55
SAI
-
DMK
Nonstop1h 10m
Thai AirAsia
Deal found 2/5฿6,845
Sat 20/617:35
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Sat 27/612:55
SAI
-
BKK
Nonstop1h 30m
Bangkok Airways
Deal found 6/5฿6,877
Wed 15/707:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Thu 16/712:55
SAI
-
BKK
Nonstop1h 30m
Bangkok Airways
Deal found 4/5฿6,910
Fri 8/510:05
DMK
-
SAI
Nonstop1h 05m
Thai AirAsia
Sun 10/516:55
SAI
-
DMK
Nonstop1h 10m
Thai AirAsia
Deal found 2/5฿6,910

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 7 May 2026.

Round-trip from

฿6,490

One-way from

฿3,067

Popular in

May

Cheapest in

June

Average price

฿7,039
Bangkok Airways
  • Bangkok Airways
  • 4/6-7/6
  • Nonstop
  • 3h 05m total
  • Thailand to Siem Reap
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 12/5
  • Nonstop
  • 1h 05m total
  • Thailand to Siem Reap
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿1,333 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 7 May 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

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Mon 8/6

07:35-09:05

Nonstop1h 30m

Siem Reap–Angkor Intl

Sat 13/6

19:35-21:05

Nonstop1h 30m

฿6,522

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

฿6,651

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 9/6

10:50-12:20

Nonstop1h 30m

Siem Reap–Angkor Intl

Fri 12/6

19:35-21:05

Nonstop1h 30m

฿6,684

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Thu 4/6

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Sun 7/6

16:55-18:05

Nonstop1h 10m

฿7,329
Fastest return journey

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Wed 3/6

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Wed 10/6

11:55-13:00

Nonstop1h 05m

฿7,426

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Sat 6/6

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Tue 16/6

11:55-13:00

Nonstop1h 05m

฿7,458

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Mon 8/6

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Mon 15/6

11:55-13:00

Nonstop1h 05m

฿7,491

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Mon 8/6

10:05-11:10

Nonstop1h 05m

Siem Reap–Angkor Intl

Sat 13/6

11:55-13:00

Nonstop1h 05m

฿7,491

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Wed 9/9

17:35-18:55

Nonstop1h 20m

Siem Reap–Angkor Intl

Mon 14/9

09:40-11:00

Nonstop1h 20m

฿7,555

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Sun 17/5

10:05-11:10

Nonstop1h 05m

Siem Reap–Angkor Intl

Fri 12/6

16:55-18:05

Nonstop1h 10m

฿7,555

Flights are sorted by cheapest return flights first.

Deals found on 3/5

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

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

The price you pay for your flight from Thailand to Siem Reap may vary depending on when you book. For the best chance of a lower fare, look to book 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 ฿2,066). Flying from Thailand to Siem Reap in January is currently the most expensive (average of ฿7,717). 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 7 May 2026.

It’s optimal to fly from Thailand to Siem Reap at midday. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the morning.

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 25 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 7 May 2026.

The most flights from TH0 to SAI are scheduled on a Tuesday (34 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (33 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 83 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, Bangkok Airways have had the lowest number of delays on this route, with just 12% 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 7 May 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
3,570 reviews
Check prices

Boarding

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.1

Food

7.9

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
3,570 reviews
Emirates
8.1
Very Good
3,570 reviews
Check prices

Boarding

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.1

Food

7.9

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
127 reviews
Emirates
8.1
Very Good
3,570 reviews
Check prices

Boarding

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.1

Food

7.9

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
241 reviews
Emirates
8.1
Very Good
3,570 reviews
Check prices

Boarding

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.1

Food

7.9

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. 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?

    ฿2,515 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 ฿2,864 and ฿3,719, 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 Chiang Mai - Siem Reap–Angkor Intl, as they are the most popular.

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

    Consider Finnair (92%), Emirates (91%) or Thai Airways (90%) 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 ฿2,066). Flying from Thailand to Siem Reap in January is currently the most expensive (average of ฿7,717). 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.
Chiang Mai to Siem Reap flights
Phuket City 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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿3,027Average฿6,610FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
EmiratesCheapest฿6,229Average฿6,543FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Bangkok AirwaysCheapest฿7,885Average฿11,716FlexibilityNo 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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