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Cheap flights from Bangkok Suvarnabhumi Airport to Siem Reap, Cambodia from £68

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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SAI
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok Suvarnabhumi to Siem Reap–Angkor Intl are usually found in June or March, booked 72 days in advance, depart on a Tuesday or Monday and return on a Monday

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 January 2026.

Round-trip from

£150

One-way from

£68

Popular in

December

Cheapest in

June

Average price

£155
Emirates
  • Emirates
  • 31/1-5/2
  • Nonstop
  • 2h 40m total
  • Bangkok to Siem Reap
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 14/3
  • Nonstop
  • 1h 20m total
  • Bangkok to Siem Reap
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 15 January 2026.

Sat 31/119:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Sat 7/223:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 12/1£150
Tue 3/219:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 5/223:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 12/1£150
Tue 9/620:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Sat 13/623:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 13/1£151
Tue 3/219:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Tue 10/223:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 13/1£152
Tue 7/420:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Sat 11/423:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 14/1£158
Sun 1/310:35
BKK
-
SAI
1 stop10h 20m
Cambodia Angkor Air
Sat 14/319:45
SAI
-
BKK
1 stop13h 45m
Cambodia Angkor Air
Deal found 14/1£166
Fri 16/114:45
BKK
-
SAI
1 stop6h 10m
Cambodia Angkor Air
Tue 20/123:30
SAI
-
BKK
1 stop10h 00m
Cambodia Angkor Air
Deal found 14/1£167
Mon 26/114:45
BKK
-
SAI
1 stop24h 35m
Cambodia Angkor Air
Sun 8/214:50
SAI
-
BKK
1 stop18h 40m
Cambodia Angkor Air
Deal found 15/1£167
Sat 31/113:05
BKK
-
SAI
1 stop7h 50m
Cambodia Angkor Air
Sat 7/209:20
SAI
-
BKK
1 stop7h 00m
Cambodia Angkor Air
Deal found 12/1£168
Sat 14/219:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Tue 24/223:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 15/1£169
Sat 7/213:05
BKK
-
SAI
1 stop7h 50m
Multiple Airlines
Tue 10/223:50
SAI
-
BKK
Nonstop1h 20m
Multiple Airlines
Deal found 14/1£173

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 858,174 searches. Data last updated 15 January 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Siem Reap that are best for you.

Fly from

Suvarnabhumi

Fly to

Siem Reap

Route

Depart

Return

Price

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Thu 29/1

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 3/2

23:50-01:10

Nonstop1h 20m

£150

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sat 31/1

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 7/2

23:50-01:10

Nonstop1h 20m

£150

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sat 7/2

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 10/2

23:50-01:10

Nonstop1h 20m

£150

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 3/2

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Thu 5/2

23:50-01:10

Nonstop1h 20m

£150

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 10/3

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 14/3

23:50-01:10

Nonstop1h 20m

£150

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 3/2

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 10/2

23:50-01:10

Nonstop1h 20m

£150

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 3/2

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 7/2

23:50-01:10

Nonstop1h 20m

£150

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Thu 5/2

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 7/2

23:50-01:10

Nonstop1h 20m

£150

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Thu 11/6

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 16/6

23:50-01:10

Nonstop1h 20m

£151

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 7/4

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 11/4

23:50-01:10

Nonstop1h 20m

£158

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 20 results
1
2

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 9 January 2026.

The price you pay for your flight from Bangkok Suvarnabhumi Airport to Siem Reap may vary depending on when you book. For the best chance of a lower fare, look to book 72 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 Bangkok Suvarnabhumi Airport to Siem Reap?

Currently, August is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Siem Reap (average of £88). Flying from Bangkok Suvarnabhumi Airport to Siem Reap in December is currently the most expensive (average of £131). 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 15 January 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.

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 January 2026.
Read reviews from past customers who have flown with Bangkok Airways, Thai Airways, andThai AirAsia from Bangkok Suvarnabhumi Airport to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very Good
120 reviews
Check prices

Food

7.3

Entertainment

6.3

Boarding

8.1

Overall

8.1

Crew

8.6

Comfort

8.0

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
8.1
Very Good
120 reviews
Bangkok Airways
8.1
Very Good
120 reviews
Check prices

Food

7.3

Entertainment

6.3

Boarding

8.1

Overall

8.1

Crew

8.6

Comfort

8.0

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 Airways
7.8
Good
378 reviews
Bangkok Airways
8.1
Very Good
120 reviews
Check prices

Food

7.3

Entertainment

6.3

Boarding

8.1

Overall

8.1

Crew

8.6

Comfort

8.0

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
7.4
Good
226 reviews
Bangkok Airways
8.1
Very Good
120 reviews
Check prices

Food

7.3

Entertainment

6.3

Boarding

8.1

Overall

8.1

Crew

8.6

Comfort

8.0

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?

    For a flight from Bangkok Suvarnabhumi to Siem Reap, you will be flying into Siem Reap–Angkor Intl. Siem Reap–Angkor Intl (SAI) is just 24.7 mi from the center of the city. Siem Reap–Angkor Intl is the only Siem Reap airport and it handles 38 inbound flights from Bangkok Suvarnabhumi per day. 3 airlines have flights to Siem Reap–Angkor Intl from Bangkok Suvarnabhumi on a regular basis.

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

    Emirates can get you from Bangkok Suvarnabhumi Airport to Siem Reap in just under 1h 20m. Your travel time will be generally consistent. Airlines will cover a distance of 234 mi. All flights are typically direct.

  • 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 £77. Other airlines that can offer you cheap pricing are Thai AirAsia, from £98, and Bangkok Airways, from £137. Thai Airways is currently priced 45% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as £43 on Thai AirAsia. Other airlines that offer cheap prices include Bangkok Airways from £66 and Thai Airways from £72 one-way.

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

    Consider Thai Airways (77%), Turkish Airlines (77%) or Qantas Airways (76%) when booking your flight. These represent the most reliable airlines when flying from Bangkok Suvarnabhumi Airport to Siem Reap.

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

    On average you can expect to pay £244 for a flight from Bangkok Suvarnabhumi Airport to Siem Reap. The cheapest flight overall is £76 while the most popular route, (Bangkok Suvarnabhumi - Siem Reap–Angkor Intl) is currently priced at £972.

  • 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, August is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Siem Reap (average of £88). Flying from Bangkok Suvarnabhumi Airport to Siem Reap in December is currently the most expensive (average of £131). 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

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Top 3 airlines flying from Suvarnabhumi to Siem Reap

Discover the top 3 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 858,174 searches. Data last updated 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest£77Average£164FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Thai AirAsiaCheapest£98Average£128FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Bangkok AirwaysCheapest£137Average£164FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Suvarnabhumi to Siem Reap 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 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?

Yes, we can. To see specific flights from Suvarnabhumi to Siem Reap with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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