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Cheap flights from Bangkok Suvarnabhumi Airport to Siem Reap, Cambodia

BKK — SAI
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap 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 15 September 2025.

Popular in

December

Cheapest in

June

Average price

$266
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. return price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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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?

Use this chart to determine the optimal time to book a return flight from Suvarnabhumi to Siem Reap. Price data was last updated on 12 September 2025.

The best time to book flights from Bangkok Suvarnabhumi Airport to Siem Reap is 8 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 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 15 September 2025.

When flying from Bangkok Suvarnabhumi Airport to Siem Reap, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 32% versus a flight in the morning.

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 15 September 2025.
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.
Bangkok Airways
8.0
Very Good
113 reviews
Check prices

Boarding

8.0

Food

7.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

6.2

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.0
Very Good
113 reviews
Bangkok Airways
8.0
Very Good
113 reviews
Check prices

Boarding

8.0

Food

7.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

6.2

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Thai AirAsia
7.5
Good
216 reviews
Bangkok Airways
8.0
Very Good
113 reviews
Check prices

Boarding

8.0

Food

7.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

6.2

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

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 33 daily inbound flights from Bangkok Suvarnabhumi from 2 different airlines.

  • 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 $192. Another airline that can offer you cheap pricing is Bangkok Airways. Thai AirAsia is priced at 28% 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 Finnair (93%), Etihad Airways (92%) or Qantas Airways (90%) 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.

See more FAQs

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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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$192Average$251FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Bangkok AirwaysCheapest$266Average$383FlexibilityNo 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.

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