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Cheap flights from Siem Reap, Cambodia to Bangkok Suvarnabhumi Airport from £80

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — BKK
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Siem Reap–Angkor Intl to Bangkok Suvarnabhumi are usually found in May or March, booked 80 days in advance, depart on a Monday or Wednesday 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 28 January 2026.

Sun 8/218:20
SAI
-
BKK
1 stop19h 35m
Cambodia Angkor Air
Tue 10/213:05
BKK
-
SAI
1 stop19h 35m
Cambodia Angkor Air
Deal found 26/1£146
Mon 15/609:40
SAI
-
BKK
Nonstop1h 20m
Bangkok Airways
Tue 30/617:25
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 26/1£151
Wed 8/719:25
SAI
-
BKK
Nonstop1h 30m
Bangkok Airways
Thu 16/717:25
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 27/1£151
Tue 3/323:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Thu 26/319:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Deal found 27/1£152
Tue 7/723:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Tue 14/720:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Deal found 27/1£154
Thu 5/319:45
SAI
-
BKK
1 stop18h 10m
Cambodia Angkor Air
Mon 23/310:35
BKK
-
SAI
1 stop4h 45m
Cambodia Angkor Air
Deal found 27/1£162
Thu 9/423:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Sat 18/420:10
BKK
-
SAI
Nonstop1h 20m
Emirates
Deal found 26/1£167
Mon 6/709:40
SAI
-
BKK
Nonstop1h 20m
Bangkok Airways
Thu 16/707:40
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 27/1£171
Thu 5/310:00
SAI
-
BKK
Nonstop1h 45m
Bangkok Airways
Sun 8/310:50
BKK
-
SAI
Nonstop1h 50m
Bangkok Airways
Deal found 26/1£173
Sun 8/219:45
SAI
-
BKK
1 stop13h 45m
Multiple Airlines
Tue 10/219:50
BKK
-
SAI
Nonstop1h 20m
Multiple Airlines
Deal found 26/1£176
Fri 6/310:00
SAI
-
BKK
Nonstop1h 45m
Bangkok Airways
Tue 24/317:25
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 27/1£183
Mon 9/221:40
SAI
-
BKK
1 stop14h 30m
Multiple Airlines
Wed 11/207:45
BKK
-
SAI
Nonstop1h 00m
Multiple Airlines
Deal found 26/1£183

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 28 January 2026.

Round-trip from

£146

One-way from

£80

Popular in

November

Cheapest in

May

Average price

£151
Cambodia Angkor Air
  • Cambodia Angkor Air
  • 8/2-10/2
  • 2 total stops
  • 39h 10m total
  • Siem Reap to Bangkok
Search Deals
Cambodia Angkor Air
  • Cambodia Angkor Air
  • 9/2
  • 1 total stop
  • 4h 35m total
  • Siem Reap to Bangkok
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£13 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
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 858,174 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Siem Reap to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Siem Reap

Fly to

Suvarnabhumi

Route

Depart

Return

Price

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Mon 9/2

09:20-13:55

1 stop4h 35m

Bangkok Suvarnabhumi

Wed 11/2

14:45-08:40

1 stop17h 55m

£146

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Wed 11/3

14:50-09:30

1 stop18h 40m

Bangkok Suvarnabhumi

Wed 18/3

10:35-20:55

1 stop10h 20m

£146

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Sun 8/2

18:20-13:55

1 stop19h 35m

Bangkok Suvarnabhumi

Tue 10/2

13:05-08:40

1 stop19h 35m

£146

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Sun 26/4

09:40-11:00

Nonstop1h 20m

Bangkok Suvarnabhumi

Wed 29/4

17:25-18:45

Nonstop1h 20m

£151

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Mon 15/6

09:40-11:00

Nonstop1h 20m

Bangkok Suvarnabhumi

Tue 30/6

17:25-18:45

Nonstop1h 20m

£151

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Wed 8/7

09:40-11:00

Nonstop1h 20m

Bangkok Suvarnabhumi

Thu 16/7

07:40-09:00

Nonstop1h 20m

£151

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Thu 9/7

23:50-01:10

Nonstop1h 20m

Bangkok Suvarnabhumi

Thu 16/7

20:10-21:30

Nonstop1h 20m

£154

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Wed 11/3

21:40-09:30

1 stop11h 50m

Bangkok Suvarnabhumi

Wed 18/3

07:55-09:15

Nonstop1h 20m

£155

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Thu 5/3

21:40-13:55

1 stop16h 15m

Bangkok Suvarnabhumi

Sun 8/3

07:45-08:45

Nonstop1h 00m

£162

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Fri 6/3

21:40-12:10

1 stop14h 30m

Bangkok Suvarnabhumi

Fri 20/3

14:45-20:55

1 stop6h 10m

£162

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 22 results
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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 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

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

Currently, February is the cheapest month in which you can book a flight from Siem Reap to Bangkok Suvarnabhumi Airport (average of £90). Flying from Siem Reap to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £135). 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 28 January 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.

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 28 January 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
7.5
Good
230 reviews
Check prices

Boarding

7.4

Entertainment

5.5

Comfort

6.8

Overall

7.5

Crew

7.9

Food

6.2

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
7.5
Good
230 reviews
Thai AirAsia
7.5
Good
230 reviews
Check prices

Boarding

7.4

Entertainment

5.5

Comfort

6.8

Overall

7.5

Crew

7.9

Food

6.2

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 Cambodia Angkor Air or Bangkok Airways to get the fastest option. The distance from Siem Reap to Bangkok Suvarnabhumi Airport is about 234 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £107, 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 25% 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 £60. 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 (79%), Garuda Indonesia (79%), Qantas Airways( 78%).

  • 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 £845, our data indicates the cheapest price to be £86. The most popular route (Siem Reap–Angkor Intl - Bangkok Suvarnabhumi), is priced around £77.

  • 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, February is the cheapest month in which you can book a flight from Siem Reap to Bangkok Suvarnabhumi Airport (average of £90). Flying from Siem Reap to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £135). 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
Chonburi
Ko Samet
Pak Chong
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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest£107Average£168FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights

Fly with Cheapflights

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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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