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Cheap flights from Siem Reap, Cambodia to Bangkok Suvarnabhumi Airport from £96

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — BKK
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Siem Reap–Angkor Intl to Bangkok Suvarnabhumi are usually found in September or March, booked 52 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 27 July 2026.

Sun 6/919:35
SAI
-
BKK
Nonstop1h 35m
Bangkok Airways
Sun 13/907:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 22/7£173
Sat 24/1023:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Tue 17/1119:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Deal found 22/7£186
Thu 22/1023:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Thu 29/1019:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Deal found 25/7£187
Thu 10/1223:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Tue 15/1219:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Deal found 22/7£195
Sat 24/1019:35
SAI
-
BKK
Nonstop1h 35m
Bangkok Airways
Wed 18/1107:55
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 22/7£198
Sun 6/919:35
SAI
-
BKK
Nonstop1h 35m
Multiple Airlines
Sun 13/922:20
BKK
-
SAI
1 stop12h 30m
Multiple Airlines
Deal found 22/7£208
Fri 23/1019:35
SAI
-
BKK
Nonstop1h 35m
Bangkok Airways
Thu 12/1107:55
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 22/7£210
Sun 6/917:55
SAI
-
BKK
1 stop16h 35m
Cambodia Airways
Sun 13/922:20
BKK
-
SAI
1 stop12h 30m
Cambodia Airways
Deal found 22/7£217
Thu 20/811:30
SAI
-
BKK
1 stop23h 00m
Cambodia Airways
Sat 22/811:30
BKK
-
SAI
1 stop23h 20m
Cambodia Airways
Deal found 23/7£221
Mon 26/1009:55
SAI
-
BKK
Nonstop1h 25m
Bangkok Airways
Thu 12/1107:55
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 22/7£227
Fri 23/1019:35
SAI
-
BKK
Nonstop1h 35m
Bangkok Airways
Sun 15/1117:25
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 22/7£239
Wed 28/1022:25
SAI
-
BKK
1 stop11h 05m
Cambodia Angkor Air
Thu 12/1114:45
BKK
-
SAI
1 stop7h 00m
Cambodia Angkor Air
Deal found 22/7£255

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 27 July 2026.

Round-trip from

£173

One-way from

£96

Popular in

August

Cheapest in

September

Average price

£174
Bangkok Airways
  • Bangkok Airways
  • 6/9-13/9
  • Nonstop
  • 2h 55m total
  • Siem Reap to Bangkok
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 15/9
  • Nonstop
  • 1h 35m total
  • Siem Reap to Bangkok
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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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 858,174 searches. Data last updated 27 July 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

Cheapest return flight
Fastest return journey

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Thu 24/9

23:50-01:10

Nonstop1h 20m

Bangkok Suvarnabhumi

Tue 9/2

19:50-21:10

Nonstop1h 20m

£186

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Thu 10/12

23:50-01:10

Nonstop1h 20m

Bangkok Suvarnabhumi

Tue 15/12

19:50-21:10

Nonstop1h 20m

£195

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Fri 23/10

19:35-21:10

Nonstop1h 35m

Bangkok Suvarnabhumi

Thu 12/11

07:55-09:15

Nonstop1h 20m

£210

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Thu 6/8

11:30-10:30

1 stop23h 00m

Bangkok Suvarnabhumi

Sun 9/8

22:20-10:50

1 stop12h 30m

£221

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Thu 20/8

11:30-10:30

1 stop23h 00m

Bangkok Suvarnabhumi

Sun 23/8

22:20-10:50

1 stop12h 30m

£221

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Thu 22/10

17:20-10:50

2 stops17h 30m

Bangkok Suvarnabhumi

Thu 29/10

12:20-16:55

1 stop4h 35m

£294

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Wed 19/8

19:35-21:10

Nonstop1h 35m

Bangkok Suvarnabhumi

Sat 22/8

10:55-12:15

Nonstop1h 20m

£297

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Fri 28/8

19:05-17:45

1 stop22h 40m

Bangkok Suvarnabhumi

Sun 30/8

18:45-18:05

1 stop23h 20m

£307
Cheapest one-way
Fastest single journey

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Tue 18/8

23:50-01:10

Nonstop1h 20m

£117

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Tue 8/12

23:50-01:10

Nonstop1h 20m

£117

Flights are sorted by cheapest return flights first.

Deals found on 21/7

Showing 1-10 of 19 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?

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 49 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, September is the cheapest month in which you can book a flight from Siem Reap to Bangkok Suvarnabhumi Airport (average of £140). Flying from Siem Reap to Bangkok Suvarnabhumi Airport in August is currently the most expensive (average of £206). 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 27 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Siem Reap to Bangkok Suvarnabhumi Airport as you normally would.

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

Airfare is below average for this route at the moment.

Siem Reap to Bangkok Suvarnabhumi Airport flights typically cost between £176 and £221 in September.
The cheapest return price found within the last 5 days was £173 on Bangkok Airways (6 Sept–13 Sept).

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 27 July 2026.
Get a feel of what it's like to fly with Thai AirAsia from Siem Reap to Bangkok Suvarnabhumi Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai AirAsia
7.4
Good
246 reviews
Check prices

Boarding

7.4

Crew

7.9

Entertainment

5.5

Food

6.2

Comfort

6.7

Overall

7.4

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move
Thai AirAsia
7.4
Good
246 reviews
Thai AirAsia
7.4
Good
246 reviews
Check prices

Boarding

7.4

Crew

7.9

Entertainment

5.5

Food

6.2

Comfort

6.7

Overall

7.4

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move

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 33 daily outbound flights to Bangkok Suvarnabhumi from 1 airline.

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

    There are many flights that can get you from Siem Reap to Bangkok Suvarnabhumi Airport in 1h 20m. Fly via Emirates to get the fastest option. The distance from Siem Reap to Bangkok Suvarnabhumi Airport is about 234 mi. Generally, flights for this route are direct.

  • What is the cheapest airline to fly from Siem Reap to Bangkok Suvarnabhumi Airport round-trip?

    Currently priced at £135, 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. Users have found that Thai AirAsia is 20% cheaper than the other options available to this destination.

  • 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 £74. However, be on the lookout for offers from Emirates 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?

    Before booking your flight to Bangkok Suvarnabhumi Airport from Siem Reap, check out the most reliable airlines to get you to your destination on time: SWISS (98%), Garuda Indonesia (98%), Qantas Airways( 97%).

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

    Looking for the cheapest flight from Siem Reap to Bangkok Suvarnabhumi Airport? While on average our users pay £542, our data indicates the cheapest price to be £83. The most popular route (Siem Reap–Angkor Intl - Bangkok Suvarnabhumi), is priced around £80.

  • 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, September is the cheapest month in which you can book a flight from Siem Reap to Bangkok Suvarnabhumi Airport (average of £140). Flying from Siem Reap to Bangkok Suvarnabhumi Airport in August is currently the most expensive (average of £206). 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
Cha-am
Kanchanaburi
Pak Chong
Chonburi
Ko Samet
Ayutthaya
Sattahip
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Siem Reap to Suvarnabhumi

Discover the top airline 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 858,174 searches. Data last updated 27 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest£135Average£173FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia 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 Siem Reap to Suvarnabhumi?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Siem Reap to Suvarnabhumi. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Siem Reap to Suvarnabhumi for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Siem Reap to Suvarnabhumi with no change fees.

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

Yes! Start tracking prices for Siem Reap to Suvarnabhumi flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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