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Siem Reap

$135+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SAI
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
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 March 20, 2026.

This oojo deal was found by Cheapflights users on 3/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:05 pm
ICN
-
SAI
1 stop25h 05m
Vietnam Airlines
Thu 10/86:05 pm
SAI
-
ICN
1 stop20h 30m
Vietnam Airlines
Deal found 3/17$252
This oojo deal was found by Cheapflights users on 3/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:05 pm
ICN
-
SAI
1 stop25h 05m
Vietnam Airlines
Fri 5/156:05 pm
SAI
-
ICN
1 stop20h 30m
Vietnam Airlines
Deal found 3/16$254
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:05 am
ICN
-
SAI
1 stop9h 05m
Vietnam Airlines
Thu 10/86:05 pm
SAI
-
ICN
1 stop9h 45m
Vietnam Airlines
Deal found 3/17$259
This Vietnam Airlines deal was found by Cheapflights users on 3/19. 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.
Mon 5/1810:05 am
ICN
-
SAI
1 stop9h 05m
Vietnam Airlines
Thu 5/216:05 pm
SAI
-
ICN
1 stop20h 30m
Vietnam Airlines
Deal found 3/19$261
This Vietnam Airlines deal was found by Cheapflights users on 3/18. 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 5/206:05 pm
ICN
-
SAI
1 stop25h 05m
Vietnam Airlines
Wed 5/276:05 pm
SAI
-
ICN
1 stop20h 30m
Vietnam Airlines
Deal found 3/18$262
This Vietnam Airlines deal was found by Cheapflights users on 3/16. 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.
Thu 5/146:05 pm
ICN
-
SAI
1 stop25h 05m
Vietnam Airlines
Mon 5/186:05 pm
SAI
-
ICN
1 stop9h 45m
Vietnam Airlines
Deal found 3/16$269
This Vietnam Airlines deal was found by Cheapflights users on 3/17. 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.
Sun 5/1710:05 am
ICN
-
SAI
1 stop9h 05m
Vietnam Airlines
Sat 5/236:05 pm
SAI
-
ICN
1 stop9h 45m
Vietnam Airlines
Deal found 3/17$270
This Vietnam Airlines deal was found by Cheapflights users on 3/17. 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.
Fri 6/1910:05 am
ICN
-
SAI
1 stop9h 05m
Vietnam Airlines
Thu 10/86:05 pm
SAI
-
ICN
1 stop9h 45m
Vietnam Airlines
Deal found 3/17$271
This Vietnam Airlines deal was found by Cheapflights users on 3/16. 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.
Thu 5/76:05 pm
ICN
-
SAI
1 stop25h 05m
Vietnam Airlines
Mon 5/116:05 pm
SAI
-
ICN
1 stop20h 30m
Vietnam Airlines
Deal found 3/16$272
This Vietnam Airlines deal was found by Cheapflights users on 3/16. 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.
Sun 5/1010:05 am
ICN
-
SAI
1 stop9h 05m
Vietnam Airlines
Wed 5/136:05 pm
SAI
-
ICN
1 stop9h 45m
Vietnam Airlines
Deal found 3/16$277
This Vietnam Airlines deal was found by Cheapflights users on 3/19. 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.
Sun 5/106:05 pm
ICN
-
SAI
1 stop25h 05m
Vietnam Airlines
Thu 5/146:05 pm
SAI
-
ICN
1 stop9h 45m
Vietnam Airlines
Deal found 3/19$278
This Vietnam Airlines deal was found by Cheapflights users on 3/17. 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.
Fri 6/1910:05 am
ICN
-
SAI
1 stop9h 05m
Vietnam Airlines
Tue 10/66:05 pm
SAI
-
ICN
1 stop9h 45m
Vietnam Airlines
Deal found 3/17$279

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 March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$252
(oojo)

One-way from

$135
(oojo)

Popular in

February

Cheapest in

May

Average price

$300
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. 22% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 20, 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

Thu 6/18

6:05 pm-5:10 pm

1 stop25h 05m

Siem Reap–Angkor Intl

Fri 10/9

6:05 pm-4:35 pm

1 stop20h 30m

$281

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Sun 6/21

6:05 pm-5:10 pm

1 stop25h 05m

Siem Reap–Angkor Intl

Fri 10/9

5:20 pm-4:35 pm

2 stops21h 15m

$289

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Sun 5/10

6:05 pm-4:25 pm

2 stops24h 20m

Siem Reap–Angkor Intl

Thu 5/14

5:20 pm-4:35 pm

2 stops21h 15m

$297

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Thu 6/18

6:05 pm-5:10 pm

1 stop25h 05m

Siem Reap–Angkor Intl

Tue 10/6

6:05 pm-4:25 pm

2 stops20h 20m

$330

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Mon 5/11

10:05 am-5:10 pm

1 stop9h 05m

Siem Reap–Angkor Intl

Fri 5/15

6:05 pm-4:25 pm

2 stops20h 20m

$330

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Thu 6/18

6:05 pm-5:10 pm

1 stop25h 05m

Siem Reap–Angkor Intl

Thu 10/8

5:20 pm-4:25 pm

3 stops21h 05m

$339

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Wed 6/24

10:05 am-5:10 pm

1 stop9h 05m

Siem Reap–Angkor Intl

Sat 10/10

5:20 pm-5:50 am

2 stops10h 30m

$347

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Wed 5/20

6:05 pm-5:10 pm

1 stop25h 05m

Siem Reap–Angkor Intl

Wed 5/27

6:05 pm-4:35 pm

1 stop20h 30m

$362

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Mon 5/11

8:15 pm-8:10 pm

2 stops49h 55m

Siem Reap–Angkor Intl

Fri 5/15

9:10 pm-9:05 pm

2 stops21h 55m

$375
Quickest round-trip

IncheonSiem Reap

ICN - SAI

ICNSAI

Incheon Intl

Sun 4/12

10:05 am-5:10 pm

1 stop9h 05m

Siem Reap–Angkor Intl

Thu 4/16

6:05 pm-5:50 am

1 stop9h 45m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 20 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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star
BudgetAirPrice Accuracy1 starTrust 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?

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Siem Reap. Price data was last updated on March 13, 2026.

The best time to book flights from Incheon Intl Airport to Siem Reap is 24 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, April is the cheapest month in which you can book a flight from Incheon Intl Airport to Siem Reap (average of $220). Flying from Incheon Intl Airport to Siem Reap in February is currently the most expensive (average of $485). 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.

Reviews of airlines servicing Siem Reap

Get insights into the airlines that provide service to Siem Reap. 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 Siem Reap. Reviews last updated March 20, 2026.
Read reviews from past customers who have flown Vietnam Airlines from Incheon Intl Airport to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.7
Good
244 reviews

Entertainment

6.3

Crew

8.2

Food

6.8

Overall

7.7

Boarding

7.7

Comfort

7.7

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Vietnam Airlines
7.7
Good
244 reviews
Vietnam Airlines
7.7
Good
244 reviews

Entertainment

6.3

Crew

8.2

Food

6.8

Overall

7.7

Boarding

7.7

Comfort

7.7

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

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. 1 airline 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.

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

    According to our current data, Vietnam Airlines ($272), offers the cheapest pricing from Incheon Intl Airport to Siem Reap. Vietnam Airlines is priced at 23% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Incheon Intl Airport to Siem Reap?

    Looking for the cheapest flight from Incheon Intl Airport to Siem Reap? While on average our users pay $613, our data indicates the cheapest price to be $613. The most popular route (Incheon Intl - Siem Reap–Angkor Intl), is priced around $681.

  • 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, April is the cheapest month in which you can book a flight from Incheon Intl Airport to Siem Reap (average of $220). Flying from Incheon Intl Airport to Siem Reap in February is currently the most expensive (average of $485). 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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Top airline flying from Incheon Intl to Siem Reap

Discover the top airline that operate flights from Incheon Intl to Siem Reap. 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 2,558,603 searches. Data last updated March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest$272Average$441FlexibilityNo cancel feeOn-time81%

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