Cheap flights from Bangkok to Siem Reap from $135

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok to Siem Reap departing on 20/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Emirates Logo
20:10 - 21:30
BKK
-
SAI
1h 20mdirect
Emirates Logo
23:50 - 01:10
SAI
-
BKK
1h 20mdirect
$286Emirates
Sat, 6 Jun - Sat, 13 Jun
Emirates Logo
20:10 - 21:30
BKK
-
SAI
1h 20mdirect
Emirates Logo
23:50 - 01:10
SAI
-
BKK
1h 20mdirect
$289Emirates
Tue, 5 May - Sat, 16 May
Emirates Logo
19:50 - 21:10
BKK
-
SAI
1h 20mdirect
Emirates Logo
23:50 - 01:10
SAI
-
BKK
1h 20mdirect
$290Emirates
Tue, 17 Mar - Tue, 24 Mar
Bangkok Airways Logo
10:55 - 12:15
BKK
-
SAI
1h 20mdirect
Bangkok Airways Logo
09:40 - 11:00
SAI
-
BKK
1h 20mdirect
$294Bangkok Airways
Mon, 15 Jun - Thu, 18 Jun
Emirates Logo
20:10 - 21:30
BKK
-
SAI
1h 20mdirect
Emirates Logo
23:50 - 01:10
SAI
-
BKK
1h 20mdirect
$297Emirates
Tue, 14 Apr - Thu, 16 Apr
Emirates Logo
20:10 - 21:30
BKK
-
SAI
1h 20mdirect
Emirates Logo
23:50 - 01:10
SAI
-
BKK
1h 20mdirect
$304Emirates
Thu, 9 Apr - Tue, 14 Apr
Cambodia Angkor Air Logo
14:45 - 20:55
BKK
-
SAI
6h 10m
1 stop
Cambodia Angkor Air Logo
17:10 - 09:30
SAI
-
BKK
16h 20m
1 stop
$319Cambodia Angkor Air
Wed, 11 Mar - Tue, 31 Mar
Bangkok Airways Logo
07:40 - 09:00
BKK
-
SAI
1h 20mdirect
Bangkok Airways Logo
12:55 - 14:25
SAI
-
BKK
1h 30mdirect
$320Bangkok Airways
Fri, 5 Jun - Sun, 14 Jun
Bangkok Airways Logo
07:25 - 09:15
BKK
-
SAI
1h 50mdirect
Bangkok Airways Logo
19:25 - 21:10
SAI
-
BKK
1h 45mdirect
$333Bangkok Airways
Wed, 4 Mar - Fri, 6 Mar
Bangkok Airways Logo
07:40 - 09:00
BKK
-
SAI
1h 20mdirect
Bangkok Airways Logo
19:25 - 20:55
SAI
-
BKK
1h 30mdirect
$344Bangkok Airways
Sun, 26 Apr - Sun, 10 May

Emirates flights from Bangkok to Siem Reap

Our best Emirates deals on Bangkok to Siem Reap flight tickets
Emirates
6 June
BKK20:10Bangkok Suvarnabhumi
1h 20m
SAI21:30Siem Reap–Angkor Intl
13 June
SAI23:50Siem Reap–Angkor Intl
1h 20m
BKK01:10Bangkok Suvarnabhumi
$286
Emirates
5 May
BKK20:10Bangkok Suvarnabhumi
1h 20m
SAI21:30Siem Reap–Angkor Intl
16 May
SAI23:50Siem Reap–Angkor Intl
1h 20m
BKK01:10Bangkok Suvarnabhumi
$288
Emirates
17 Mar
BKK19:50Bangkok Suvarnabhumi
1h 20m
SAI21:10Siem Reap–Angkor Intl
24 Mar
SAI23:50Siem Reap–Angkor Intl
1h 20m
BKK01:10Bangkok Suvarnabhumi
$290

Bangkok Airways flights from Bangkok to Siem Reap

Our best Bangkok Airways deals on Bangkok to Siem Reap flight tickets
Bangkok Airways
15 June
BKK07:40Bangkok Suvarnabhumi
1h 20m
SAI09:00Siem Reap–Angkor Intl
18 June
SAI19:25Siem Reap–Angkor Intl
1h 30m
BKK20:55Bangkok Suvarnabhumi
$294
Bangkok Airways
5 June
BKK10:55Bangkok Suvarnabhumi
1h 20m
SAI12:15Siem Reap–Angkor Intl
17 June
SAI19:25Siem Reap–Angkor Intl
1h 30m
BKK20:55Bangkok Suvarnabhumi
$320
Bangkok Airways
4 Mar
BKK07:25Bangkok Suvarnabhumi
1h 50m
SAI09:15Siem Reap–Angkor Intl
6 Mar
SAI19:25Siem Reap–Angkor Intl
1h 45m
BKK21:10Bangkok Suvarnabhumi
$333

momondo Fare Finder

 
Customise your flight search to find flights from Bangkok 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, momondo users made 78,305 searches. Data last updated 2 February 2026.
Use the filters below to find and compare flights from Bangkok to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sat 6/6

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 13/6

23:50-01:10

Nonstop1h 20m

$286

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 5/5

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Sat 16/5

23:50-01:10

Nonstop1h 20m

$288

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 17/3

19:50-21:10

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 24/3

23:50-01:10

Nonstop1h 20m

$290

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Mon 15/6

10:55-12:15

Nonstop1h 20m

Siem Reap–Angkor Intl

Thu 18/6

09:40-11:00

Nonstop1h 20m

$294

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Tue 14/4

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Thu 16/4

23:50-01:10

Nonstop1h 20m

$297

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Thu 9/4

20:10-21:30

Nonstop1h 20m

Siem Reap–Angkor Intl

Tue 14/4

23:50-01:10

Nonstop1h 20m

$304

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Wed 11/3

14:45-20:55

1 stop6h 10m

Siem Reap–Angkor Intl

Tue 31/3

17:10-09:30

1 stop16h 20m

$319

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Fri 5/6

07:40-09:00

Nonstop1h 20m

Siem Reap–Angkor Intl

Sun 14/6

12:55-14:25

Nonstop1h 30m

$320

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Wed 4/3

07:25-09:15

Nonstop1h 50m

Siem Reap–Angkor Intl

Fri 6/3

19:25-21:10

Nonstop1h 45m

$333

BangkokSiem Reap

BKK - SAI

BKKSAI

Bangkok Suvarnabhumi

Sun 26/4

07:40-09:00

Nonstop1h 20m

Siem Reap–Angkor Intl

Sun 10/5

19:25-20:55

Nonstop1h 30m

$344

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Siem Reap from

How to get the cheapest flight ticket from Bangkok to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Bangkok and Siem Reap?

What is the cheapest month to fly to Siem Reap?

The cheapest month to fly to Siem Reap from Bangkok is in June. Flight prices, which tend to average around $235, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Siem Reap from Bangkok during March instead. Flights to Siem Reap in March, while not as cheap as those in June, still average around $248.

What is the cheapest day to depart on your flight to Siem Reap?

The cheapest day to depart from Bangkok to Siem Reap is on a Thursday. Travellers who choose to depart for Siem Reap on a Thursday will often find tickets for as low as $292. On the other hand, Monday is the most expensive day to depart from Bangkok because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $343.

What is the cheapest time of day to depart on your flight to Siem Reap?

Flying to Siem Reap from Bangkok in the evening is the least expensive time of day to depart. momondo users have found prices as low as $247 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $316. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Bangkok to Siem Reap–Angkor Intl flight route?

Fly from Bangkok Don Mueang Intl to Siem Reap–Angkor Intl for the best Bangkok - Siem Reap–Angkor Intl flight prices

How far in advance should I book a flight to Siem Reap?

You are more likely to see cheaper flights to Siem Reap from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Siem Reap for around $274 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Siem Reap from Bangkok for as low as $257 on momondo.

What cabin class options are available on Bangkok to Siem Reap–Angkor Intl flights?

There are 2 cabin classes available to choose from on Bangkok to Siem Reap–Angkor Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Bangkok to Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok to Siem Reap

Fastest flight time

26h 05m

Direct flights

Every day

Airports in Siem Reap

1 airport
The fastest flight from Bangkok to Siem Reap takes 26h 05m
Direct flights go from Bangkok to Siem Reap every day.
There is 1 airport in Siem Reap. From Bangkok there are direct flights to Siem Reap–Angkor Intl (SAI).
  • How far is Bangkok to Siem Reap–Angkor Intl by plane?

    Bangkok and Siem Reap–Angkor Intl are 361.6 km apart from one another. 26h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Bangkok to Siem Reap–Angkor Intl Airport?

    Prices for flights from Bangkok to Siem Reap–Angkor Intl Airport were last updated today.

  • How many operators does momondo search for flights from Bangkok to Siem Reap–Angkor Intl Airport?

  • How old do you have to be to fly from Bangkok to Siem Reap–Angkor Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bangkok to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Bangkok to Siem Reap

Compare and see reviews for airlines that fly from Bangkok to Siem Reap with momondo
Airline
Rating
Free cancellation
Price
Thai AirAsiaPriceFrom $190Free cancellationRating
7.5
232 reviews
Search Thai AirAsia flights

Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to Siem Reap?

It is quick and easy to find Bangkok to Siem Reap flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Siem Reap that suits you.

Can I find flights from Bangkok to Siem Reap with flexible booking policies on momondo?

momondo does allow users to show only those flights to Siem Reap from Bangkok which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Bangkok to Siem Reap?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Bangkok to Siem Reap.

I’m not ready to book a flight from Bangkok to Siem Reap right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Bangkok to Siem Reap flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Wed 4/3
Wed 11/3

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