Economy passengers enjoy spacious seating with a 33”-34” pitch, surpassing many competitors.
First Class offers Kosmo Suites 2.0 with sliding doors and 83” pitch for ultimate privacy.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Popular in | August |
Cheapest in | October |
Average price | $449 |
Good round-trip deal | $427 or less |
Good one-way deal | $325 or less |
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Phnom Penh to Incheon Intl Airport is 58 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 Phnom Penh to Incheon Intl Airport (average of $228). Flying from Phnom Penh to Incheon Intl Airport in April is currently the most expensive (average of $347). 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.
One of the essential ways to save on airfare from Phnom Penh to Incheon Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 48% on airfare.
Travelers seeking maximum savings on their Phnom Penh to Incheon Intl Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
About 45% of weekly flights between Phnom Penh and Incheon have experienced delays in the past year, with the average delay time being 114 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Thursday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Korean Air have had the lowest number of delays on this route, with just 35% of flights being delayed.
Overall
Crew
Comfort
Entertainment
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Overall
Crew
Comfort
Entertainment
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Overall
Crew
Comfort
Entertainment
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Overall
Crew
Comfort
Entertainment
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Overall
Crew
Comfort
Entertainment
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Overall
Crew
Comfort
Entertainment
Food
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$329 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$240 | Average$324 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$335 | FlexibilityNo cancel fee | On-time49% | |
| Cheapest$283 | Average$302 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$302 | Average$331 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$328 | Average$399 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$368 | Average$376 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$418 | Average$465 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$450 | Average$487 | FlexibilityNo cancel fee | On-time81% |