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Cheap flights from Bangkok to Siem Reap, Cambodia from ฿2,988

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SAI
30 Apr — 7 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to Siem Reap–Angkor Intl are usually found in June or May, booked 44 days in advance, depart on a Tuesday 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 31 March 2026.

Thu 11/615:10
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Sat 13/611:55
SAI
-
DMK
Nonstop1h 05m
Thai AirAsia
Deal found 26/3฿6,501
Wed 10/610:05
DMK
-
SAI
Nonstop1h 05m
Thai AirAsia
Sat 13/616:55
SAI
-
DMK
Nonstop1h 10m
Thai AirAsia
Deal found 26/3฿6,599
Tue 12/520:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 14/523:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 28/3฿6,632
Sun 19/410:05
DMK
-
SAI
Nonstop1h 05m
Thai AirAsia
Tue 28/416:55
SAI
-
DMK
Nonstop1h 10m
Thai AirAsia
Deal found 30/3฿6,632
Tue 14/420:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 16/423:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 31/3฿6,665
Mon 20/410:05
DMK
-
SAI
Nonstop1h 05m
Thai AirAsia
Thu 30/416:55
SAI
-
DMK
Nonstop1h 10m
Thai AirAsia
Deal found 30/3฿6,665
Sat 9/520:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 14/523:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 29/3฿6,698
Thu 21/515:10
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Mon 25/511:55
SAI
-
DMK
Nonstop1h 05m
Thai AirAsia
Deal found 31/3฿6,698
Tue 21/420:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 30/423:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 30/3฿6,731
Sun 26/415:10
DMK
-
SAI
Nonstop1h 00m
Thai AirAsia
Sun 3/516:55
SAI
-
DMK
Nonstop1h 10m
Thai AirAsia
Deal found 31/3฿6,731
Thu 2/420:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 30/423:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 30/3฿6,764
Wed 10/610:05
DMK
-
SAI
Nonstop1h 05m
Thai AirAsia
Sun 14/611:55
SAI
-
DMK
Nonstop1h 05m
Thai AirAsia
Deal found 26/3฿6,764

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 31 March 2026.

Round-trip from

฿6,501

One-way from

฿2,856

Popular in

December

Cheapest in

June

Average price

฿6,698
Thai AirAsia
  • Thai AirAsia
  • 11/6-13/6
  • Nonstop
  • 2h 05m total
  • Bangkok to Siem Reap
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 11/4
  • Nonstop
  • 1h 00m total
  • Bangkok to Siem Reap
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿17,768 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿1,964 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 31 March 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
Fastest return journey

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Thu 11/6

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Sun 14/6

11:55-13:00

Nonstop1h 05m

฿6,665

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Thu 11/6

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Tue 16/6

11:55-13:00

Nonstop1h 05m

฿6,698

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Thu 21/5

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Mon 25/5

11:55-13:00

Nonstop1h 05m

฿6,698

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sat 25/4

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 28/4

23:50-01:10

Nonstop1h 20m

฿6,731

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Fri 10/4

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Thu 30/4

16:55-18:05

Nonstop1h 10m

฿6,829

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Sun 7/6

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Tue 16/6

11:55-13:00

Nonstop1h 05m

฿6,862

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Mon 13/7

10:05-11:10

Nonstop1h 05m

Siem Reap–Angkor Intl

Thu 16/7

16:55-18:05

Nonstop1h 10m

฿6,993

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Sun 7/6

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Fri 12/6

16:55-18:05

Nonstop1h 10m

฿6,993

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Mon 13/4

10:05-11:10

Nonstop1h 05m

Siem Reap–Angkor Intl

Tue 14/4

16:55-18:05

Nonstop1h 10m

฿6,993

BangkokSiem Reap

DMK - SAI

DMKSAI

Bangkok Don Mueang Intl

Fri 10/4

15:10-16:10

Nonstop1h 00m

Siem Reap–Angkor Intl

Tue 14/4

16:55-18:05

Nonstop1h 10m

฿7,158

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 40 resultsSorted by cheapest first
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3
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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

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

Use this chart to determine the optimal time to book a return flight from Bangkok to Siem Reap. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from Bangkok to Siem Reap, you should look to book at least 44 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 month to book a flight from Bangkok to Siem Reap?

Currently, November is the cheapest month in which you can book a flight from Bangkok to Siem Reap (average of ฿3,086). Flying from Bangkok to Siem Reap in February is currently the most expensive (average of ฿5,811). 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 31 March 2026.

It’s typically best to fly out from Bangkok to Siem Reap at midday. Doing so could potentially save you 41% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 28 March 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. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 31 March 2026.

The most flights from TH1 to SAI are scheduled on a Tuesday (35 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (33 on average).

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

How often are flights from Bangkok to Siem Reap delayed?

About 20% of weekly flights between Bangkok 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 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 Friday 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, 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 31 March 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
3,550 reviews
Check prices

Overall

8.1

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

DAC - DXB

This is NOT a ratings for emirates but more so for Kayak isn’t it a little tone deaf to be sending out your automated surveys in the middle of a war when most flights are cancelled due to the airspace being closed?
Emirates
8.1
Very Good
3,550 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Overall

8.1

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

DAC - DXB

This is NOT a ratings for emirates but more so for Kayak isn’t it a little tone deaf to be sending out your automated surveys in the middle of a war when most flights are cancelled due to the airspace being closed?
Bangkok Airways
8.1
Very Good
128 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Overall

8.1

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

DAC - DXB

This is NOT a ratings for emirates but more so for Kayak isn’t it a little tone deaf to be sending out your automated surveys in the middle of a war when most flights are cancelled due to the airspace being closed?
Thai AirAsia
7.4
Good
238 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Overall

8.1

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

DAC - DXB

This is NOT a ratings for emirates but more so for Kayak isn’t it a little tone deaf to be sending out your automated surveys in the middle of a war when most flights are cancelled due to the airspace being closed?

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 33 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 Bangkok Airways 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 ฿3,078. Other airlines that can offer you cheap pricing are Emirates, from ฿6,334, and Bangkok Airways, from ฿6,545. Thai AirAsia is priced at 52% 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 ฿2,533. Bangkok Airways flights start at ฿2,912 while deals on Emirates start at ฿3,781 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: Thai Airways (88%), เตอร์กิชแอร์ไลน์ (88%), ออสเตรียนแอร์ไลน์( 86%).

  • 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, November is the cheapest month in which you can book a flight from Bangkok to Siem Reap (average of ฿3,086). Flying from Bangkok to Siem Reap in February is currently the most expensive (average of ฿5,811). 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.
Chiang Mai to Siem Reap flights
Krabi to Siem Reap flights
Phuket City to Siem Reap flights
Ko Samui 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 31 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿3,078Average฿6,556FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
EmiratesCheapest฿6,334Average฿6,654FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Bangkok AirwaysCheapest฿6,545Average฿11,868FlexibilityNo 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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