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Siem Reap

$128+ Cheap flights from Incheon Intl (ICN) to Siem Reap, Cambodia (SAI)

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SAI
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
1 adult, Economy
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Cheap flight deals from Incheon Intl to Siem Reap

Cheapest flights from Incheon Intl to Siem Reap
Explore the most affordable flight options available from Incheon Intl to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.

This OneTravel deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:25 am
ICN
-
SAI
1 stop13h 40m
VietJet Air
Mon 6/227:05 pm
SAI
-
ICN
1 stop8h 25m
VietJet Air
Deal found 5/2$325
This CheapOair deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:05 am
ICN
-
SAI
1 stop9h 00m
VietJet Air
Wed 6/247:05 pm
SAI
-
ICN
1 stop10h 50m
VietJet Air
Deal found 5/5$326
This OneTravel deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2011:05 am
ICN
-
SAI
1 stop9h 00m
VietJet Air
Thu 6/257:05 pm
SAI
-
ICN
1 stop8h 25m
VietJet Air
Deal found 5/6$374
This Singapore Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:00 am
ICN
-
SAI
1 stop26h 40m
Singapore Airlines
Thu 6/1110:30 am
SAI
-
ICN
1 stop9h 50m
Singapore Airlines
Deal found 5/2$393
This Mytrip deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:15 pm
ICN
-
SAI
2 stops28h 50m
Multiple Airlines
Mon 6/227:05 pm
SAI
-
ICN
1 stop8h 25m
Multiple Airlines
Deal found 5/2$405
This Singapore Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:45 pm
ICN
-
SAI
1 stop18h 55m
Singapore Airlines
Wed 8/264:00 pm
SAI
-
ICN
1 stop21h 30m
Singapore Airlines
Deal found 5/1$414
This VietJet Air deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure VietJet Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:05 am
ICN
-
SAI
1 stop9h 00m
VietJet Air
Wed 6/37:05 pm
SAI
-
ICN
1 stop8h 25m
VietJet Air
Deal found 5/5$419
This Vietnam Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:05 am
ICN
-
SAI
1 stop9h 05m
Vietnam Airlines
Wed 10/216:05 pm
SAI
-
ICN
1 stop20h 30m
Vietnam Airlines
Deal found 5/1$421
This VietJet Air deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure VietJet Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:25 am
ICN
-
SAI
1 stop13h 40m
VietJet Air
Wed 7/227:05 pm
SAI
-
ICN
1 stop8h 25m
VietJet Air
Deal found 5/4$426
This China Eastern deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:15 pm
ICN
-
SAI
2 stops49h 55m
China Eastern
Wed 7/229:10 pm
SAI
-
ICN
2 stops21h 55m
China Eastern
Deal found 5/4$428

Find flight deals from Incheon Intl to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) 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 May 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$325
(OneTravel)

One-way from

$128
(CheapOair)

Popular in

February

Cheapest in

May

Average price

$245
Provider with most accurate pricing for Incheon Intl-Siem Reap–Angkor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Incheon Intl-Siem Reap–Angkor Intl flights.
Search Deals
From Incheon Intl to Siem Reap–Angkor Intl
Search Deals
One-way flight from Incheon Intl to Siem Reap–Angkor Intl
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl 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 2,558,603 searches. Data last updated May 6, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Fri 6/19

6:25 am-6:05 pm

1 stop13h 40m

Siem Reap–Angkor Intl

Mon 6/22

7:05 pm-5:30 am

1 stop8h 25m

$325

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Thu 10/29

4:55 pm-3:55 pm

1 stop25h 00m

Siem Reap–Angkor Intl

Mon 11/2

4:45 pm-10:00 pm

1 stop27h 15m

$416
Quickest round-trip

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Mon 5/25

11:05 am-6:05 pm

1 stop9h 00m

Siem Reap–Angkor Intl

Wed 6/3

7:05 pm-5:30 am

1 stop8h 25m

$419

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Wed 10/14

10:05 am-5:10 pm

1 stop9h 05m

Siem Reap–Angkor Intl

Wed 10/21

6:05 pm-4:35 pm

1 stop20h 30m

$421

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Thu 10/29

10:35 am-7:40 pm

1 stop11h 05m

Siem Reap–Angkor Intl

Mon 11/2

5:05 pm-5:30 am

2 stops10h 25m

$433

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Wed 8/19

4:45 pm-9:40 am

1 stop18h 55m

Siem Reap–Angkor Intl

Wed 8/26

10:30 am-10:20 pm

1 stop9h 50m

$438

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Tue 6/9

11:05 am-3:10 pm

1 stop30h 05m

Siem Reap–Angkor Intl

Sun 6/14

10:30 am-3:30 pm

1 stop27h 00m

$438
Cheapest one-way
Quickest one-way

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Mon 6/1

11:05 am-6:05 pm

1 stop9h 00m

$128

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Thu 6/4

6:25 am-6:05 pm

1 stop13h 40m

$181

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Tue 6/2

6:25 am-6:05 pm

1 stop13h 40m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Incheon Intl to Siem Reap

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Siem Reap in May.
ProviderPrice AccuracyTrust Score*
JetabroadPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Incheon Intl Airport-Siem Reap flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Siem Reap flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Siem Reap flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-Siem Reap flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-Siem Reap flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Incheon Intl to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Incheon Intl with our price prediction graph.
Estimated round-trip 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 Incheon Intl Airport to Siem Reap

How far ahead should I book a flight from Incheon Intl Airport to Siem Reap?

The best time to book flights from Incheon Intl Airport to Siem Reap is 31 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.

What is the cheapest month to book a flight from Incheon Intl Airport to Siem Reap?

Currently, May is the cheapest month in which you can book a flight from Incheon Intl Airport to Siem Reap (average of $245). Flying from Incheon Intl Airport to Siem Reap in February is currently the most expensive (average of $643). 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.

How much does it cost to fly round-trip from Incheon Intl Airport to Siem Reap?

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl 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 Incheon Intl?

    Siem Reap–Angkor Intl (SAI), located 24.7 mi from the city center, is the airport you fly into when you book flights from Incheon Intl to Siem Reap. 0 airlines have flights to Siem Reap–Angkor Intl from Incheon Intl on a regular basis. Booking flights from Incheon Intl to Siem Reap–Angkor Intl should not be difficult; the airport handles an average of 0 inbound flights from Incheon Intl per day.

  • How long is the flight from Incheon Intl Airport to Siem Reap?

    Departing from Incheon Intl Airport to Siem Reap will take you 9h 05m. The distance from Incheon Intl Airport to Siem Reap is about 2152 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Incheon Intl to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Siem Reap?

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

  • Can I find deals for business class flights from Incheon Intl to Siem Reap?

    Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl Airport to Siem Reap?

    Currently, May is the cheapest month in which you can book a flight from Incheon Intl Airport to Siem Reap (average of $245). Flying from Incheon Intl Airport to Siem Reap in February is currently the most expensive (average of $643). 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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