How long is the flight from Siem Reap to Southeast Asia?

Departing from Siem Reap to Southeast Asia will take you 1h 20m. The distance between Siem Reap and Southeast Asia is about 377 km. Generally, flights for this route are direct.

What are the cheapest airlines to fly from Siem Reap to Southeast Asia one-way?

The cheapest airline one-way is Cambodia Airways, with whom users have recently found tickets for as low as $48. However, be on the lookout for offers from Cambodia Angkor Air and AirAsia Cambodia, as they are both options that can get you from Siem Reap to Southeast Asia for a low price.

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

What are the most popular routes from Siem Reap to Southeast Asia?

When deciding which route to take from Siem Reap to Southeast Asia, consider Siem Reap–Angkor Intl - Singapore Changi, Siem Reap–Angkor Intl - Bangkok Suvarnabhumi or Siem Reap–Angkor Intl - Phuket City, as they are the most popular.

What are the cheapest flights from Siem Reap to Southeast Asia?

Looking for the cheapest flight from Siem Reap to Southeast Asia? While on average our users pay $349, our data indicates the cheapest price to be $174. The most popular route (Siem Reap–Angkor Intl - Singapore Changi), is priced around $194.

What are the most reliable airlines from Siem Reap to Southeast Asia?

No one likes to see their flight delayed. When booking a flight from Siem Reap to Southeast Asia consider choosing Cambodia Airways(100%), SWISS(92%) or Garuda Indonesia(92%), as they are the most reliable in getting you off to your destination on time.

What airport do you fly from for flights from Siem Reap to Southeast Asia?

For a flight from Siem Reap to Southeast Asia, you will be flying from Siem Reap–Angkor Intl. Siem Reap–Angkor Intl (SAI) is just 39.7 km from the centre of the city.

Can I find deals for flights from Siem Reap to Southeast Asia that include hotel bookings?

Yes. In addition to deals on Siem Reap to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Siem Reap to Southeast Asia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to Southeast Asia.

Can I find deals for business class flights from Siem Reap to Southeast Asia?

Yes. Cheapflights offers flight deals from Siem Reap to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$141+ Cheap Flights from Siem Reap, Cambodia to Southeast Asia

Cheap flight deals from Siem Reap to Southeast Asia

Enter your travel dates to find the best prices.

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One-way

Cheapest flights from Siem Reap to Southeast Asia
Explore the most affordable flight options available from Siem Reap to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Fri 30/1018:40 -

Nonstop1h 15m

Fri 6/1119:30 -

Nonstop1h 00m

Deal found 15/9$329

Fri 30/1011:45 -

1 stop7h 35m

Sun 1/1114:30 -

Nonstop1h 35m

Deal found 16/9$332

Wed 16/918:30 -

Nonstop1h 20m

Thu 17/907:20 -

Nonstop1h 25m

Deal found 15/9$333

Sun 27/922:35 -

Nonstop1h 20m

Mon 5/1007:20 -

Nonstop1h 25m

Deal found 15/9$342

Thu 22/1023:50 -

Nonstop1h 20m

Thu 29/1019:50 -

Nonstop1h 20m

Deal found 18/9$349

Mon 28/919:40 -

Nonstop1h 30m

Tue 6/1011:50 -

Nonstop1h 25m

Deal found 15/9$350

Wed 2/1215:45 -

Nonstop1h 30m

Thu 10/1217:10 -

Nonstop1h 30m

Deal found 15/9$353

Tue 29/911:25 -

Nonstop1h 30m

Sat 10/1014:00 -

Nonstop1h 20m

Deal found 15/9$356

Sun 27/919:10 -

Nonstop1h 15m

Sat 10/1017:15 -

Nonstop1h 05m

Deal found 15/9$359

Sun 27/922:35 -

Nonstop1h 20m

Wed 7/1007:20 -

Nonstop1h 25m

Deal found 15/9$364

Thu 8/1019:05 -

1 stop17h 50m

Sat 24/1014:55 -

1 stop28h 10m

Deal found 17/9$367

Thu 22/1019:35 -

Nonstop1h 35m

Mon 26/1017:25 -

Nonstop1h 05m

Deal found 16/9$367

Best flights from Siem Reap to Southeast Asia
Discover carefully curated flight deals from Siem Reap to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Sun 1/1119:30 -

Nonstop1h 25m

Sun 8/1117:30 -

Nonstop1h 20m

Deal found 16/9$350

Thu 10/1223:50 -

Nonstop1h 20m

Tue 15/1219:50 -

Nonstop1h 20m

Deal found 17/9$350

Wed 2/1215:45 -

Nonstop1h 30m

Sat 12/1217:10 -

Nonstop1h 30m

Deal found 15/9$353

Thu 22/1018:05 -

1 stop7h 05m

Fri 23/1017:15 -

Nonstop1h 05m

Deal found 14/9$356

Thu 8/1019:05 -

1 stop17h 50m

Sat 24/1014:55 -

1 stop28h 10m

Deal found 17/9$367

Thu 19/1116:50 -

Nonstop2h 30m

Fri 20/1114:40 -

Nonstop2h 20m

Deal found 13/9$581

Sat 21/1119:30 -

Nonstop1h 25m

Sun 29/1117:30 -

Nonstop1h 20m

Deal found 17/9$350

Thu 22/1023:50 -

Nonstop1h 20m

Thu 29/1019:50 -

Nonstop1h 20m

Deal found 14/9$350

Sun 6/1215:45 -

Nonstop1h 30m

Wed 9/1218:00 -

Nonstop1h 30m

Deal found 15/9$353

Fri 30/1017:55 -

2 stops24h 40m

Sun 1/1117:10 -

1 stop15h 35m

Deal found 16/9$731

Sun 6/1215:45 -

Nonstop1h 30m

Sat 12/1217:10 -

Nonstop1h 30m

Deal found 15/9$353

Wed 30/1221:30 -

Nonstop1h 15m

Mon 4/119:30 -

Nonstop1h 00m

Deal found 17/9$390

Thu 22/1019:05 -

1 stop17h 50m

Sun 25/1014:55 -

1 stop28h 10m

Deal found 17/9$394

Thu 1/1009:35 -

Nonstop1h 35m

Wed 7/1007:20 -

Nonstop1h 25m

Deal found 15/9$373

Sat 5/1214:55 -

Nonstop1h 30m

Sun 13/1218:00 -

Nonstop1h 30m

Deal found 15/9$370

Sat 3/1019:10 -

Nonstop1h 15m

Wed 7/1006:55 -

2 stops10h 15m

Deal found 15/9$409

Wed 30/919:05 -

1 stop26h 25m

Wed 7/1014:35 -

2 stops27h 30m

Deal found 15/9$411

Fri 16/1020:55 -

Nonstop1h 30m

Mon 19/1007:20 -

Nonstop1h 25m

Deal found 14/9$392

Fri 30/1019:05 -

1 stop26h 05m

Fri 6/1116:00 -

2 stops26h 05m

Deal found 15/9$422

Wed 30/1221:30 -

Nonstop1h 15m

Wed 6/122:00 -

2 stops18h 10m

Deal found 17/9$463

Mon 8/221:50 -

1 stop17h 30m

Wed 10/218:00 -

Nonstop1h 30m

Deal found 15/9$426

Sat 2/109:30 -

1 stop13h 25m

Tue 5/108:20 -

Nonstop1h 25m

Deal found 17/9$443

Thu 22/1019:05 -

1 stop15h 15m

Fri 23/1014:25 -

2 stops27h 40m

Deal found 14/9$475

Thu 19/1114:55 -

Nonstop1h 30m

Fri 20/1111:45 -

1 stop21h 50m

Deal found 13/9$477

Thu 22/1017:20 -

2 stops27h 45m

Mon 26/1015:55 -

1 stop25h 00m

Deal found 16/9$560

Sat 31/1019:05 -

1 stop17h 50m

Sun 1/1117:00 -

2 stops26h 05m

Deal found 16/9$523

Thu 11/214:55 -

Nonstop1h 30m

Fri 12/211:45 -

1 stop21h 50m

Deal found 15/9$485

Thu 22/1019:05 -

1 stop17h 55m

Thu 29/1015:05 -

1 stop27h 00m

Deal found 17/9$530

Wed 7/1019:05 -

2 stops22h 25m

Fri 23/1014:55 -

1 stop28h 10m

Deal found 17/9$543

Fri 25/1218:40 -

1 stop23h 55m

Fri 8/119:45 -

1 stop24h 45m

Deal found 13/9$667

Find flight deals from Siem Reap to Southeast Asia

Round-trip from	$329
One-way from	$141
Popular in	August
Cheapest in	September
Average price	$274

Vietnam Airlines
30/10-6/11
Nonstop
2h 15m total
Siem Reap to Southeast Asia

Search Deals

Thai AirAsia
10/2-31/12
Nonstop
1h 35m total
Siem Reap to Southeast Asia

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Siem Reap to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Siem ReapSingapore

SAI Siem Reap–Angkor Intl - SIN Singapore Changi

SAISIN

Siem Reap–Angkor Intl

Sat 10/10

19:05-13:55

1 stop17h 50m

Singapore Changi

Wed 31/12

00:00-23:30

Nonstop0h 00m

$172

Siem ReapSingapore

SAI Siem Reap–Angkor Intl - SIN Singapore Changi

SAISIN

Siem Reap–Angkor Intl

Fri 16/10

19:05-13:55

1 stop17h 50m

Singapore Changi

Wed 31/12

00:00-23:30

Nonstop0h 00m

$172

Siem ReapPhuket City

SAI Siem Reap–Angkor Intl - HKT Phuket City

SAIHKT

Siem Reap–Angkor Intl

Wed 10/2

20:45-08:00

1 stop11h 15m

Phuket City

Wed 31/12

00:00-00:00

Nonstop0h 00m

$180

Siem ReapSingapore

SAI Siem Reap–Angkor Intl - SIN Singapore Changi

SAISIN

Siem Reap–Angkor Intl

Thu 26/11

19:05-13:55

1 stop17h 50m

Singapore Changi

Wed 31/12

00:00-23:30

Nonstop0h 00m

$184

Siem ReapHo Chi Minh City

SAI Siem Reap–Angkor Intl - SGN Ho Chi Minh City

SAISGN

Siem Reap–Angkor Intl

Fri 16/10

20:55-22:25

Nonstop1h 30m

Ho Chi Minh City

Wed 31/12

00:00-23:00

Nonstop0h 00m

$193

Siem ReapHo Chi Minh City

SAI Siem Reap–Angkor Intl - SGN Ho Chi Minh City

SAISGN

Siem Reap–Angkor Intl

Fri 12/3

19:05-18:40

2 stops47h 35m

Ho Chi Minh City

Wed 31/12

00:00-23:00

Nonstop0h 00m

$211

Siem ReapHo Chi Minh City

SAI Siem Reap–Angkor Intl - SGN Ho Chi Minh City

SAISGN

Siem Reap–Angkor Intl

Tue 13/10

19:05-21:00

2 stops25h 55m

Ho Chi Minh City

Wed 31/12

00:00-23:00

Nonstop0h 00m

$211

Siem ReapHo Chi Minh City

SAI Siem Reap–Angkor Intl - SGN Ho Chi Minh City

SAISGN

Siem Reap–Angkor Intl

Sat 6/2

10:20-12:00

Nonstop1h 40m

Ho Chi Minh City

Wed 31/12

00:00-23:00

Nonstop0h 00m

$215

Siem ReapBangkok

SAI Siem Reap–Angkor Intl - BKK Bangkok Suvarnabhumi

SAIBKK

Siem Reap–Angkor Intl

Sat 10/10

23:50-01:10

Nonstop1h 20m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

$219

Siem ReapBangkok

SAI Siem Reap–Angkor Intl - BKK Bangkok Suvarnabhumi

SAIBKK

Siem Reap–Angkor Intl

Thu 24/12

23:50-01:10

Nonstop1h 20m

Bangkok Suvarnabhumi

Wed 31/12

00:00-00:00

Nonstop0h 00m

$219

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Siem Reap to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Siem Reap with our price prediction graph.

SAI-HKT

SAI-SGN

SAI-SIN

SAI-BKK

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 Southeast Asia

SAI-zzYJX

SAI-HKT

SAI-SGN

SAI-SIN

SAI-BKK

What is the cheapest month to book a flight from Siem Reap to Southeast Asia?

Currently, August is the cheapest month in which you can book a flight from Siem Reap to Southeast Asia (average of $270). Flying from Siem Reap to Southeast Asia in June is currently the most expensive (average of $385). 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 YJX?

A simple way to save on the total cost of your ticket is to fly from Siem Reap to Southeast Asia in the evening. If you’re flexible enough to do this you can expect to save up to 65% on your trip compared to booking a flight at midday.

Weekly flight availability from Siem Reap to Southeast Asia

The most flights from SAI to zzYJX are scheduled on a Tuesday (37 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (34 on average).

How far ahead should I book a flight from Siem Reap to Southeast Asia?

The best time to book flights from Siem Reap to Southeast Asia is 35 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

What airport do you fly from for flights from Siem Reap to Southeast Asia?
For a flight from Siem Reap to Southeast Asia, you will be flying from Siem Reap–Angkor Intl. Siem Reap–Angkor Intl (SAI) is just 39.7 km from the centre of the city.
How long is the flight from Siem Reap to Southeast Asia?
Departing from Siem Reap to Southeast Asia will take you 1h 20m. The distance between Siem Reap and Southeast Asia is about 377 km. Generally, flights for this route are direct.
What are the cheapest airlines to fly from Siem Reap to Southeast Asia one-way?
The cheapest airline one-way is Cambodia Airways, with whom users have recently found tickets for as low as $48. However, be on the lookout for offers from Cambodia Angkor Air and AirAsia Cambodia, as they are both options that can get you from Siem Reap to Southeast Asia for a low price.
What are the most popular routes from Siem Reap to Southeast Asia?
When deciding which route to take from Siem Reap to Southeast Asia, consider Siem Reap–Angkor Intl - Singapore Changi, Siem Reap–Angkor Intl - Bangkok Suvarnabhumi or Siem Reap–Angkor Intl - Phuket City, as they are the most popular.
What are the most reliable airlines from Siem Reap to Southeast Asia?
No one likes to see their flight delayed. When booking a flight from Siem Reap to Southeast Asia consider choosing Cambodia Airways(100%), SWISS(92%) or Garuda Indonesia(92%), as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Siem Reap to Southeast Asia?
Looking for the cheapest flight from Siem Reap to Southeast Asia? While on average our users pay $349, our data indicates the cheapest price to be $174. The most popular route (Siem Reap–Angkor Intl - Singapore Changi), is priced around $194.
Can I find deals for flights from Siem Reap to Southeast Asia that include hotel bookings?
Yes. In addition to deals on Siem Reap to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Siem Reap to Southeast Asia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to Southeast Asia.
Can I find deals for business class flights from Siem Reap to Southeast Asia?
Yes. Cheapflights offers flight deals from Siem Reap to Southeast Asia 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 Southeast Asia?
Currently, August is the cheapest month in which you can book a flight from Siem Reap to Southeast Asia (average of $270). Flying from Siem Reap to Southeast Asia in June is currently the most expensive (average of $385). 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.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Siem Reap to Southeast Asia, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southeast Asia from Siem Reap today and book when prices fit your budget.

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Cheap flights from Siem Reap, Cambodia to Southeast Asia from $141

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Siem Reap to Southeast Asia

Cheapest flights from Siem Reap to Southeast AsiaExplore the most affordable flight options available from Siem Reap to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Explore the most affordable flight options available from Siem Reap to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Siem Reap to Southeast AsiaDiscover carefully curated flight deals from Siem Reap to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Discover carefully curated flight deals from Siem Reap to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Siem Reap to Southeast AsiaExplore direct flight options from Siem Reap to Southeast Asia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Explore direct flight options from Siem Reap to Southeast Asia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Siem Reap to Southeast AsiaDiscover last-minute flight deals from Siem Reap to Southeast Asia. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Siem Reap to Southeast Asia. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Siem Reap to Southeast AsiaSearch for one-way flight options from Siem Reap to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Siem Reap to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Find flight deals from Siem Reap to Southeast Asia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Siem Reap to Southeast Asia that are best for you.

Best time to book a flight from Siem Reap to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Siem Reap with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Siem Reap to Southeast Asia?

What is the cheapest time of day to fly from SAI to YJX?

Find hourly flight availability from Siem Reap to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2026.

A simple way to save on the total cost of your ticket is to fly from Siem Reap to Southeast Asia in the evening. If you’re flexible enough to do this you can expect to save up to 65% on your trip compared to booking a flight at midday.

Weekly flight availability from Siem Reap to Southeast Asia

The most flights from SAI to zzYJX are scheduled on a Tuesday (37 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (34 on average).

How far ahead should I book a flight from Siem Reap to Southeast Asia?

The best time to book flights from Siem Reap to Southeast Asia is 35 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

What airport do you fly from for flights from Siem Reap to Southeast Asia?

How long is the flight from Siem Reap to Southeast Asia?

What are the cheapest airlines to fly from Siem Reap to Southeast Asia one-way?

What are the most popular routes from Siem Reap to Southeast Asia?

What are the most reliable airlines from Siem Reap to Southeast Asia?

What are the cheapest flights from Siem Reap to Southeast Asia?

Can I find deals for flights from Siem Reap to Southeast Asia that include hotel bookings?

How can I find direct flights from Siem Reap to Southeast Asia?

Can I find deals for business class flights from Siem Reap to Southeast Asia?

What is the cheapest month to book a flight from Siem Reap to Southeast Asia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Siem Reap to Southeast Asia

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Complete your trip

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Siem Reap and Southeast Asia flights

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

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Cheapest flights from Siem Reap to Southeast Asia
Explore the most affordable flight options available from Siem Reap to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Siem Reap to Southeast Asia
Discover carefully curated flight deals from Siem Reap to Southeast Asia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Siem Reap to Southeast Asia
Explore direct flight options from Siem Reap to Southeast Asia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Siem Reap to Southeast Asia
Discover last-minute flight deals from Siem Reap to Southeast Asia. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Siem Reap to Southeast Asia
Search for one-way flight options from Siem Reap to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.