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Cheap flights from Siem Reap, Cambodia to Southeast Asia from $142

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — BKK
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Siem Reap to Southeast Asia

Enter your travel dates to find the best prices.

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 25 July 2026.

Mon 7/919:10
SAI
-
SGN
Nonstop1h 15m
Vietnam Airlines
Mon 14/905:00
SGN
-
SAI
1 stop12h 10m
Vietnam Airlines
Deal found 24/7$329
Mon 7/919:05
SAI
-
SGN
1 stop12h 35m
Multiple Airlines
Mon 14/916:40
SGN
-
SAI
1 stop24h 30m
Multiple Airlines
Deal found 24/7$335
Thu 23/709:35
SAI
-
SGN
Nonstop1h 35m
Cambodia Angkor Air
Fri 24/707:10
SGN
-
SAI
Nonstop1h 35m
Cambodia Angkor Air
Deal found 22/7$354
Sat 24/1023:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Tue 17/1119:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Deal found 22/7$355
Tue 28/719:10
SAI
-
SGN
Nonstop1h 15m
Vietnam Airlines
Thu 30/717:15
SGN
-
SAI
Nonstop1h 05m
Vietnam Airlines
Deal found 20/7$365
Thu 10/1223:50
SAI
-
BKK
Nonstop1h 20m
Emirates
Tue 15/1219:50
BKK
-
SAI
Nonstop1h 20m
Emirates
Deal found 22/7$372
Sat 24/1019:35
SAI
-
BKK
Nonstop1h 35m
Bangkok Airways
Wed 18/1107:55
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 22/7$378
Thu 23/719:10
SAI
-
SGN
Nonstop1h 15m
Vietnam Airlines
Fri 24/717:30
SGN
-
SAI
2 stops23h 40m
Vietnam Airlines
Deal found 20/7$394
Fri 23/1019:35
SAI
-
BKK
Nonstop1h 35m
Bangkok Airways
Thu 12/1107:55
BKK
-
SAI
Nonstop1h 20m
Bangkok Airways
Deal found 22/7$401
Wed 25/1109:50
SAI
-
BKK
Nonstop1h 05m
Thai Airways
Thu 26/1107:45
BKK
-
SAI
Nonstop1h 00m
Thai Airways
Deal found 24/7$402
Thu 30/715:15
SAI
-
SGN
Nonstop1h 35m
Vietnam Airlines
Thu 30/720:10
SGN
-
SAI
2 stops21h 00m
Vietnam Airlines
Deal found 20/7$404
Tue 1/910:30
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Sun 6/913:50
SIN
-
SAI
Nonstop2h 20m
Singapore Airlines
Deal found 23/7$408

Find flight deals from Siem Reap to Southeast Asia

Keep the following information in mind while searching for Siem Reap to Southeast Asia flight deals. Data was last updated 25 July 2026.

Round-trip from

$329

One-way from

$142

Popular in

August

Cheapest in

September

Average price

$314
Vietnam Airlines
  • Vietnam Airlines
  • 7/9-14/9
  • 1 total stop
  • 13h 25m total
  • Siem Reap to Southeast Asia
Search Deals
VietJet Air
  • VietJet Air
  • 27/10
  • 1 total stop
  • 17h 50m total
  • Siem Reap to Southeast Asia
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Siem Reap to Southeast Asia 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 647,157 searches. Data last updated 25 July 2026.
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 ReapHo Chi Minh City

SAI - SGN

SAISGN

Siem Reap–Angkor Intl

Mon 7/9

19:10-20:25

Nonstop1h 15m

Ho Chi Minh City

Mon 14/9

05:00-17:10

1 stop12h 10m

$329

Siem ReapHo Chi Minh City

SAI - SGN

SAISGN

Siem Reap–Angkor Intl

Mon 7/9

19:05-07:40

1 stop12h 35m

Ho Chi Minh City

Mon 14/9

16:40-17:10

1 stop24h 30m

$335
Fastest return journey

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Tue 27/10

23:50-01:10

Nonstop1h 20m

Bangkok Suvarnabhumi

Thu 12/11

19:50-21:10

Nonstop1h 20m

$355

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Thu 10/12

23:50-01:10

Nonstop1h 20m

Bangkok Suvarnabhumi

Tue 15/12

19:50-21:10

Nonstop1h 20m

$372

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Fri 23/10

19:35-21:10

Nonstop1h 35m

Bangkok Suvarnabhumi

Thu 12/11

07:55-09:15

Nonstop1h 20m

$401

Siem ReapSingapore

SAI - SIN

SAISIN

Siem Reap–Angkor Intl

Tue 1/9

10:30-13:55

Nonstop2h 25m

Singapore Changi

Sun 6/9

13:50-15:10

Nonstop2h 20m

$408

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Thu 20/8

11:30-10:30

1 stop23h 00m

Bangkok Suvarnabhumi

Sun 23/8

22:20-10:50

1 stop12h 30m

$422

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Thu 20/8

11:30-10:30

1 stop23h 00m

Bangkok Suvarnabhumi

Sat 22/8

11:30-10:50

1 stop23h 20m

$422

Siem ReapHo Chi Minh City

SAI - SGN

SAISGN

Siem Reap–Angkor Intl

Sat 5/9

19:05-08:55

2 stops37h 50m

Ho Chi Minh City

Sat 12/9

14:35-18:05

2 stops27h 30m

$475

Siem ReapBangkok

SAI - BKK

SAIBKK

Siem Reap–Angkor Intl

Wed 25/11

16:50-23:45

1 stop6h 55m

Bangkok Suvarnabhumi

Thu 26/11

12:20-19:40

1 stop7h 20m

$490

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
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

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 $238). Flying from Siem Reap to Southeast Asia in June is currently the most expensive (average of $392). 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?

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 25 July 2026.

A simple way to save on the total cost of your ticket is to fly from Siem Reap to Southeast Asia in the afternoon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight at midday.

Weekly flight availability from Siem Reap to Southeast Asia

Explore weekly flight availability from Siem Reap to Southeast Asia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 25 July 2026.

The most flights from SAI to zzYJX are scheduled on a Tuesday (36 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 55 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

Find useful and relevant information for your journey from Siem Reap to Southeast Asia. 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 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 15m. The distance between Siem Reap and Southeast Asia is about 388 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 Angkor Air, with whom users have recently found tickets for as low as $81. However, be on the lookout for offers from AirAsia Cambodia and VietJet Air, 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 SWISS(98%), Garuda Indonesia(98%) or Qantas Airways(97%), 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 $1,161, our data indicates the cheapest price to be $173. The most popular route (Siem Reap–Angkor Intl - Singapore Changi), is priced around $198.

  • 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 $238). Flying from Siem Reap to Southeast Asia in June is currently the most expensive (average of $392). 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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Alternative routes for Siem Reap to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Siem Reap to Suvarnabhumi flights
Siem Reap to Phuket City flights
Siem Reap to Ho Chi Minh City 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 Siem Reap to Southeast Asia?

When you search for this flight from Siem Reap to Southeast Asia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Siem Reap to Southeast Asia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Siem Reap to Southeast Asia for you. Better yet — we are completely free to use.

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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