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Cheap flights from Bangkok Suvarnabhumi Airport to Siem Reap, Cambodia from £70

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 22/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SAI
27 Mar — 3 Apr1
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 April, booked 44 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap 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 25 February 2026.

Wed 4/314:45
BKK
-
SAI
1 stop6h 10m
Cambodia Angkor Air
Fri 6/309:20
SAI
-
BKK
1 stop4h 35m
Cambodia Angkor Air
Deal found 22/2£146
Sat 7/313:05
BKK
-
SAI
1 stop7h 50m
Cambodia Angkor Air
Sat 21/309:20
SAI
-
BKK
1 stop7h 00m
Cambodia Angkor Air
Deal found 24/2£147
Tue 3/313:05
BKK
-
SAI
1 stop7h 50m
Cambodia Angkor Air
Fri 27/323:10
SAI
-
BKK
1 stop17h 10m
Cambodia Angkor Air
Deal found 21/2£148
Sat 28/219:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 26/323:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 21/2£150
Thu 26/219:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Tue 3/323:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 22/2£151
Mon 15/607:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Thu 18/609:40
SAI
-
BKK
Nonstop1h 20m
Bangkok Airways
Deal found 24/2£152
Wed 19/807:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Tue 25/819:30
SAI
-
BKK
Nonstop1h 15m
Bangkok Airways
Deal found 23/2£153
Sat 8/820:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Tue 11/823:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 24/2£158
Sat 7/319:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Thu 19/323:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Deal found 24/2£159
Wed 4/314:45
BKK
-
SAI
1 stop6h 10m
Cambodia Angkor Air
Thu 26/319:45
SAI
-
BKK
1 stop18h 10m
Cambodia Angkor Air
Deal found 21/2£162
Mon 2/310:35
BKK
-
SAI
1 stop10h 20m
Cambodia Angkor Air
Sat 28/319:45
SAI
-
BKK
1 stop13h 45m
Cambodia Angkor Air
Deal found 21/2£162

Find 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 25 February 2026.

Round-trip from

£146

One-way from

£70

Popular in

December

Cheapest in

June

Average price

£153
Cambodia Angkor Air
  • Cambodia Angkor Air
  • 13/3-16/3
  • 2 total stops
  • 10h 45m total
  • Bangkok to Siem Reap
Search Deals
Cambodia Angkor Air
  • Cambodia Angkor Air
  • 22/3
  • 1 total stop
  • 22h 05m total
  • Bangkok to Siem Reap
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 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 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 25 February 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Thu 12/3

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 14/3

23:50-01:10

Nonstop1h 20m

£158

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sat 22/8

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 25/8

23:50-01:10

Nonstop1h 20m

£159

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sun 22/3

10:35-15:15

1 stop4h 40m

Siem Reap–Angkor Intl

Mon 6/4

14:50-12:05

1 stop21h 15m

£166

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sat 14/3

13:05-20:55

1 stop7h 50m

Siem Reap–Angkor Intl

Fri 20/3

14:50-16:20

1 stop25h 30m

£166

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Mon 24/8

07:40-09:00

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 25/8

12:55-14:25

Nonstop1h 30m

£168

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Thu 6/8

10:55-12:15

Nonstop1h 20m

Siem Reap–Angkor Intl

Wed 12/8

12:55-14:25

Nonstop1h 30m

£201

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Thu 20/8

11:55-17:10

1 stop5h 15m

Siem Reap–Angkor Intl

Tue 25/8

18:05-21:05

1 stop27h 00m

£233

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Fri 13/3

22:20-15:00

2 stops16h 40m

Siem Reap–Angkor Intl

Mon 16/3

09:20-13:55

1 stop4h 35m

£235

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Mon 24/8

11:55-17:10

1 stop5h 15m

Siem Reap–Angkor Intl

Tue 25/8

18:05-21:05

1 stop27h 00m

£254

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sun 23/8

21:05-17:10

2 stops20h 05m

Siem Reap–Angkor Intl

Tue 25/8

18:05-21:05

1 stop27h 00m

£279

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 20 February 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 44 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 £87). 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 25 February 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.

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

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 25 February 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
125 reviews
Check prices

Boarding

8.1

Overall

8.1

Food

7.3

Entertainment

6.3

Crew

8.6

Comfort

8.0

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Bangkok Airways
8.1
Very Good
125 reviews
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Boarding

8.1

Overall

8.1

Food

7.3

Entertainment

6.3

Crew

8.6

Comfort

8.0

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Thai Airways
7.8
Good
386 reviews
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Boarding

8.1

Overall

8.1

Food

7.3

Entertainment

6.3

Crew

8.6

Comfort

8.0

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Thai AirAsia
7.5
Good
233 reviews
Bangkok Airways
8.1
Very Good
125 reviews
Check prices

Boarding

8.1

Overall

8.1

Food

7.3

Entertainment

6.3

Crew

8.6

Comfort

8.0

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

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, Cambodia Angkor Air, and Bangkok Airways can get you from Bangkok Suvarnabhumi Airport to Siem Reap in just under 1h 20m. Your travel time can differ by up to 3h 20m. Airlines will cover a distance of 234 mi. This flight may include one or multiple stops.

  • 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 46% 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 £47 on Thai AirAsia. Other airlines that offer cheap prices include Bangkok Airways from £65 and Emirates from £72 one-way.

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

    Consider Austrian Airlines (76%), Thai Airways (74%) or Turkish Airlines (74%) 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 £240 for a flight from Bangkok Suvarnabhumi Airport to Siem Reap. The cheapest flight overall is £66 while the most popular route, (Bangkok Suvarnabhumi - Siem Reap–Angkor Intl) is currently priced at £968.

  • 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 £87). 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 25 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest£77Average£157FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Thai AirAsiaCheapest£98Average£137FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Bangkok AirwaysCheapest£137Average£163FlexibilityNo 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?

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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