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Suvarnabhumi

Cheap flights from Siem Reap, Cambodia (SAI) to Suvarnabhumi (BKK)

SAI — BKK
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Siem Reap–Angkor Intl to Bangkok Suvarnabhumi are usually found in September or December, booked 12 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Siem Reap to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Siem Reap (SAI) to Suvarnabhumi (BKK). 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 August 21, 2025.

Popular in

July

Cheapest in

September

Average price

$188
Highest demand for flights based on searches. 10% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Best time to book a flight from Siem Reap to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Siem Reap with our price prediction graph.
Estimated round-trip 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 Siem Reap to Bangkok Suvarnabhumi Airport

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

Currently, September is the cheapest month in which you can book a flight from Siem Reap to Bangkok Suvarnabhumi Airport (average of $931). Flying from Siem Reap to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,546). 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 SAI to BKK?

Find hourly flight availability from Siem Reap to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

A simple way to save on the total cost of your ticket is to fly from Siem Reap to Bangkok Suvarnabhumi Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 87% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Siem Reap to Bangkok Suvarnabhumi Airport?

Use this chart to determine the cheapest time to fly round-trip from Siem Reap to Suvarnabhumi. Price data was last updated on August 17, 2025.

Travelers seeking maximum savings on their Siem Reap to Bangkok Suvarnabhumi Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated August 21, 2025.
Peruse reviews from past customers who have flown with Bangkok Airways and Thai AirAsia from Siem Reap to Bangkok Suvarnabhumi Airport 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
111 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

6.2

Food

7.2

Boarding

7.9

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
111 reviews
Bangkok Airways
8.0
Very good
111 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

6.2

Food

7.2

Boarding

7.9

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
111 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

6.2

Food

7.2

Boarding

7.9

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 Siem Reap to Suvarnabhumi. 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 from for flights from Siem Reap to Bangkok Suvarnabhumi?

    Located just 24.7 mi from the city center, Siem Reap–Angkor Intl is the airport most travelers will use when flying to Bangkok Suvarnabhumi from Siem Reap. Booking flights from Siem Reap–Angkor Intl (SAI) to Bangkok Suvarnabhumi should be relatively easy as there are 32 daily outbound flights to Bangkok Suvarnabhumi from 2 different airlines.

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

    Currently priced at $125, Thai AirAsia will fly you from Siem Reap to Bangkok Suvarnabhumi Airport and back. In addition to Thai AirAsia, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Bangkok Airways for as low as $200. Thai AirAsia is currently priced 25% below the average price you’ll pay for this route.

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

    The top 3 most reliable airlines when flying from Siem Reap to Bangkok Suvarnabhumi Airport are SWISS (100%), Garuda Indonesia (100%) and Singapore Airlines (97%).

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Siem Reap to Bangkok Suvarnabhumi Airport (average of $931). Flying from Siem Reap to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,546). 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

Traveling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Sattahip
Chonburi
Kanchanaburi
Cha-am
Ko Samet
Pak Chong
Phetchaburi
Ko Lan

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Top 2 airlines flying from Siem Reap to Suvarnabhumi

Discover the top 2 airlines that operate flights from Siem Reap to Suvarnabhumi. 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 2,558,603 searches. Data last updated August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$125Average$163FlexibilityNo cancel feeOn-time87%
Bangkok AirwaysCheapest$200Average$295FlexibilityNo cancel feeOn-time74%

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