Cheap flights from Bangkok Suvarnabhumi Airport to Siem Reap, Cambodia from $162

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SAI
28 Jul — 4 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Suvarnabhumi to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Suvarnabhumi to Siem Reap
Explore the most affordable flight options available from Suvarnabhumi to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 June 2026.

Fri 4/907:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Mon 7/912:55
SAI
-
BKK
Nonstop1h 30m
Bangkok Airways
Deal found 25/6$313
Tue 3/1119:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Sat 21/1123:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 27/6$323
Thu 29/1019:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Tue 17/1123:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 26/6$325
Thu 30/720:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Sat 8/823:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 24/6$326
Sat 31/1019:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 5/1123:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 23/6$328
Tue 1/1217:25
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Fri 4/1209:55
SAI
-
BKK
Nonstop1h 25m
Bangkok Airways
Deal found 26/6$331
Thu 26/1107:55
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Sun 29/1119:25
SAI
-
BKK
Nonstop1h 25m
Bangkok Airways
Deal found 25/6$332
Wed 25/1111:20
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Tue 1/1209:55
SAI
-
BKK
Nonstop1h 25m
Bangkok Airways
Deal found 25/6$335
Sun 6/907:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Sat 12/912:55
SAI
-
BKK
Nonstop1h 30m
Bangkok Airways
Deal found 23/6$336
Fri 21/810:55
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Fri 28/809:40
SAI
-
BKK
Nonstop1h 20m
Bangkok Airways
Deal found 27/6$338
Tue 24/1119:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Sat 28/1123:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 25/6$342
Sat 21/1107:55
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Thu 3/1219:25
SAI
-
BKK
Nonstop1h 25m
Bangkok Airways
Deal found 27/6$344

Find flight deals from Suvarnabhumi to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Suvarnabhumi (BKK) 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 June 2026.

Round-trip from

$313

One-way from

$162

Popular in

May

Cheapest in

September

Average price

$323
Bangkok Airways
  • Bangkok Airways
  • 4/9-7/9
  • Nonstop
  • 2h 50m total
  • Bangkok to Siem Reap
Bangkok Airways
  • Bangkok Airways
  • 3/10
  • Nonstop
  • 1h 20m total
  • Bangkok to Siem Reap
Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. return price).
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average return price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Suvarnabhumi 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 647,157 searches. Data last updated 28 June 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 15/9

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Thu 17/9

23:50-01:10

Nonstop1h 20m

$323

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sat 31/10

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 14/11

23:50-01:10

Nonstop1h 20m

$325

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sat 1/8

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 11/8

23:50-01:10

Nonstop1h 20m

$326

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Wed 28/10

11:20-12:40

Nonstop1h 20m

Siem Reap–Angkor Intl

Sun 1/11

13:20-14:45

Nonstop1h 25m

$433

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Fri 21/8

11:30-10:05

1 stop22h 35m

Siem Reap–Angkor Intl

Fri 28/8

10:55-10:30

1 stop23h 35m

$448

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 15/9

13:05-17:50

1 stop4h 45m

Siem Reap–Angkor Intl

Fri 18/9

19:20-12:05

1 stop16h 45m

$461

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Fri 4/9

13:05-11:15

1 stop22h 10m

Siem Reap–Angkor Intl

Mon 7/9

19:20-12:05

1 stop16h 45m

$477

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Thu 17/9

15:55-17:10

1 stop25h 15m

Siem Reap–Angkor Intl

Tue 6/10

18:05-21:05

1 stop27h 00m

$491

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Wed 29/7

17:35-18:55

Nonstop1h 20m

Siem Reap–Angkor Intl

Mon 10/8

09:40-11:00

Nonstop1h 20m

$491

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Wed 16/9

11:55-17:10

1 stop5h 15m

Siem Reap–Angkor Intl

Mon 5/10

17:20-18:05

2 stops24h 45m

$506

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Suvarnabhumi to Siem Reap

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

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

The best time to book flights from Bangkok Suvarnabhumi Airport to Siem Reap is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Siem Reap (average of $281). Flying from Bangkok Suvarnabhumi Airport to Siem Reap in May is currently the most expensive (average of $329). 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 Suvarnabhumi 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 June 2026.

When flying from Bangkok Suvarnabhumi Airport to Siem Reap, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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 June 2026.
Check out reviews from past customers who have flown with Bangkok Airways and Thai AirAsia from Bangkok Suvarnabhumi Airport 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.

Crew

8.6

Entertainment

6.3

Overall

8.1

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

Crew

8.6

Entertainment

6.3

Overall

8.1

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

Crew

8.6

Entertainment

6.3

Overall

8.1

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

Related info for your journey

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

    Located just 39.7 km from the city centre, Siem Reap–Angkor Intl is the airport most travellers will use when flying to Siem Reap from Bangkok Suvarnabhumi. Booking flights from Bangkok Suvarnabhumi to Siem Reap–Angkor Intl (SAI) should be relatively easy as there are 34 daily inbound flights from Bangkok Suvarnabhumi from 2 different airlines.

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

    A quick flight from Bangkok Suvarnabhumi Airport to Siem Reap can take about 1h 20m. Emirates provides one of the quickest options available for as low as $323. Bangkok Suvarnabhumi Airport and Siem Reap are separated by a distance of 377 km. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Bangkok Suvarnabhumi Airport to Siem Reap round-trip from $235. Another airline that can offer you cheap pricing is Bangkok Airways. Thai AirAsia is priced at 24% lower than the current average price of a flight leaving 3 months from now.

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

    Consider Emirates (99%), Air France (98%) or Finnair (98%) when booking your flight. These represent the most reliable airlines when flying from Bangkok Suvarnabhumi Airport to Siem Reap.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Suvarnabhumi 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 Suvarnabhumi Airport to Siem Reap?

    Currently, September is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Siem Reap (average of $281). Flying from Bangkok Suvarnabhumi Airport to Siem Reap in May is currently the most expensive (average of $329). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Suvarnabhumi to Siem Reap

Discover the top 2 airlines that operate flights from Suvarnabhumi 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 647,157 searches. Data last updated 28 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$235Average$277FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Bangkok AirwaysCheapest$257Average$381FlexibilityNo 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 Suvarnabhumi to Siem Reap?

Deals for Suvarnabhumi to Siem Reap flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Suvarnabhumi to Siem Reap by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Suvarnabhumi to Siem Reap flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from Suvarnabhumi to Siem Reap on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.