
Most accurate provider | OneTravel 3 stars |
|---|---|
Most trusted provider | OneTravel 3 stars |
Popular in | January |
Cheapest in | June |
Average price | $337 |
Good round-trip deal | $356 or less |
Good one-way deal | $162 or less |
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Incheon Intl Airport to Phnom Penh is 54 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.
Currently, June is the cheapest month in which you can book a flight from Incheon Intl Airport to Phnom Penh (average of $216). Flying from Incheon Intl Airport to Phnom Penh in January is currently the most expensive (average of $318). 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.
A simple way to save on the total cost of your ticket is to fly from Incheon Intl Airport to Phnom Penh at noon. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight in the evening.
About 48% of weekly flights between Incheon and Phnom Penh have experienced delays in the past year, with the average delay time being 98 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Sky Angkor have had the lowest number of delays on this route, with just 33% of flights being delayed.
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Jacqueline,Aug 2025
ICN - SEA
Comfort
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Jacqueline,Aug 2025
ICN - SEA
Comfort
Overall
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Jacqueline,Aug 2025
ICN - SEA
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$307 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$262 | Average$366 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$282 | Average$403 | FlexibilityNo cancel fee | On-time76% |