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Cheap flights from Siem Reap, Cambodia to Bangkok Suvarnabhumi Airport from $166

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — BKK
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Siem Reap to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest flights from Siem Reap to Suvarnabhumi
Explore the most affordable flight options available from Siem Reap to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 February 2026.

Wed 8/719:30
SAI
-
BKK
Nonstop1h 15m
Bangkok Airways
Thu 16/707:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 25/2$291
Sat 11/423:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Sat 18/420:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Deal found 23/2$308
Tue 17/323:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Thu 26/319:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Deal found 23/2$310
Wed 25/309:20
SAI
-
BKK
1 stop4h 35m
Cambodia Angkor Air
Thu 26/310:35
BKK
-
SAI
1 stop4h 45m
Cambodia Angkor Air
Deal found 23/2$314
Wed 11/309:20
SAI
-
BKK
1 stop24h 10m
Cambodia Angkor Air
Wed 18/314:45
BKK
-
SAI
1 stop6h 10m
Cambodia Angkor Air
Deal found 23/2$317
Sat 14/314:50
SAI
-
BKK
1 stop18h 40m
Cambodia Angkor Air
Mon 23/314:45
BKK
-
SAI
1 stop20h 05m
Cambodia Angkor Air
Deal found 23/2$318
Sun 12/419:30
SAI
-
BKK
Nonstop1h 15m
Bangkok Airways
Sun 19/407:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 25/2$353
Sun 12/419:05
SAI
-
BKK
1 stop15h 45m
Multiple Airlines
Sun 19/410:55
BKK
-
SAI
Nonstop1h 20m
Multiple Airlines
Deal found 25/2$429

Find 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 26 February 2026.

Round-trip from

$291

One-way from

$166

Popular in

August

Cheapest in

May

Average price

$308
Bangkok Airways
  • Bangkok Airways
  • 8/7-16/7
  • Nonstop
  • 2h 35m total
  • Siem Reap to Bangkok
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 16/5
  • Nonstop
  • 1h 15m total
  • Siem Reap to Bangkok
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Siem Reap to Suvarnabhumi 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 26 February 2026.
Use the filters below to find and compare flights from Siem Reap to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Wed 8/7

19:30-20:45

Nonstop1h 15m

Bangkok Suvarnabhumi

Thu 16/7

07:40-09:00

Nonstop1h 20m

$291

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Thu 16/4

23:50-01:10

Nonstop1h 20m

Bangkok Suvarnabhumi

Sat 18/4

20:10-21:30

Nonstop1h 20m

$308

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Sat 11/4

23:50-01:10

Nonstop1h 20m

Bangkok Suvarnabhumi

Sat 18/4

20:10-21:30

Nonstop1h 20m

$308

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Tue 17/3

23:50-01:10

Nonstop1h 20m

Bangkok Suvarnabhumi

Thu 26/3

19:50-21:10

Nonstop1h 20m

$310

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Sat 14/3

14:50-09:30

1 stop18h 40m

Bangkok Suvarnabhumi

Mon 23/3

14:45-10:50

1 stop20h 05m

$318

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Sat 25/4

17:20-10:50

2 stops17h 30m

Bangkok Suvarnabhumi

Sun 26/4

22:15-17:10

1 stop18h 55m

$487

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Fri 10/4

19:30-20:45

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 19/4

10:55-12:15

Nonstop1h 20m

$494

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Sat 14/3

13:20-14:45

Nonstop1h 25m

Bangkok Suvarnabhumi

Mon 23/3

07:55-09:15

Nonstop1h 20m

$508

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Mon 2/3

09:20-13:55

1 stop4h 35m

$172

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Tue 7/4

23:50-01:10

Nonstop1h 20m

$180

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 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 Siem Reap to Bangkok Suvarnabhumi Airport

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

Use this chart to determine the optimal time to book a return flight from Siem Reap to Suvarnabhumi. Price data was last updated on 20 February 2026.

The price you pay for your flight from Siem Reap to Bangkok Suvarnabhumi Airport may vary depending on when you book. For the best chance of a lower fare, look to book 80 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 Siem Reap to Bangkok Suvarnabhumi Airport?

Currently, June is the cheapest month in which you can book a flight from Siem Reap to Bangkok Suvarnabhumi Airport (average of $175). Flying from Siem Reap to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $263). 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 26 February 2026.

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

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?

    For a flight from Siem Reap to Bangkok Suvarnabhumi, you will be flying from Siem Reap–Angkor Intl. Siem Reap–Angkor Intl (SAI) is just 39.7 km from the centre of the city. Siem Reap–Angkor Intl is the only Siem Reap airport and it handles 36 outbound flights to Bangkok Suvarnabhumi per day. 0 airlines have flights to Bangkok Suvarnabhumi from Siem Reap–Angkor Intl on a regular basis.

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

    Airlines like Bangkok Airways and Emirates fly from Siem Reap to Bangkok Suvarnabhumi Airport in about 1h 15m. The time it takes to get you to your destination is usually consistent. Siem Reap and Bangkok Suvarnabhumi Airport are separated by a distance of 377 km. All flights are typically direct.

  • What are the cheapest airlines to fly from Siem Reap to Bangkok Suvarnabhumi Airport one-way?

    The cheapest airline one-way is Thai AirAsia, with whom users have recently found tickets for as low as $113. However, be on the lookout for offers from Thai Airways and Bangkok Airways, as they are both options that can get you from Siem Reap to Bangkok Suvarnabhumi Airport for a low price.

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

    Consider SWISS (82%), Garuda Indonesia (82%) or Qantas Airways (80%) when booking your flight. These represent the most reliable airlines when flying from Siem Reap to Bangkok Suvarnabhumi Airport.

  • What are the cheapest flights from Siem Reap to Bangkok Suvarnabhumi Airport?

    On average you can expect to pay $166 for a flight from Siem Reap to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $160 while the most popular route, (Siem Reap–Angkor Intl - Bangkok Suvarnabhumi) is currently priced at $1,156.

  • 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 holiday 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, June is the cheapest month in which you can book a flight from Siem Reap to Bangkok Suvarnabhumi Airport (average of $175). Flying from Siem Reap to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $263). 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

Travelling to a place near Bangkok Suvarnabhumi Airport?

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

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How does Cheapflights help users find flights from Siem Reap to Suvarnabhumi?

Cheapflights helps you search for flights from Siem Reap to Suvarnabhumi via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Suvarnabhumi from Siem Reap.

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

Need flexible booking options for your flight to Suvarnabhumi from Siem Reap? 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 Siem Reap to Suvarnabhumi become cheaper?

Yes, Cheapflights offers price alerts on Siem Reap to Suvarnabhumi 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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