$206 Cheap Flights from Phnom Penh (PNH) to Seoul (ICN)

View $206 flight on Mon, Sep 15, 2025Opens in a new window

Popular airlines from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN)

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Cheap Flights from Phnom Penh to Seoul (PNH-ICN)

Prices were available within the past 7 days and start at $206 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Fri, Jul 18 - Thu, Jul 31
PNH
Phnom Penh
ICN
Seoul
$257 Roundtrip, found 15 hours ago
$257
Roundtrip
found 15 hours ago
Select China Southern Airlines flight, departing Fri, Jul 18 from Phnom Penh to Seoul, returning Thu, Jul 31, priced at $257 found 15 hours ago
China Southern Airlines
Thu, Jul 17 - Thu, Jul 24
PNH
Phnom Penh
ICN
Seoul
$301 Roundtrip, found 1 day ago
$301
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Thu, Jul 17 from Phnom Penh to Seoul, returning Thu, Jul 24, priced at $301 found 1 day ago
China Southern Airlines
Wed, Jul 16 - Mon, Jul 21
PNH
Phnom Penh
ICN
Seoul
$302 Roundtrip, found 4 days ago
$302
Roundtrip
found 4 days ago
Select China Southern Airlines flight, departing Wed, Jul 16 from Phnom Penh to Seoul, returning Mon, Jul 21, priced at $302 found 4 days ago
China Southern Airlines
Wed, Jul 30 - Fri, Aug 15
PNH
Phnom Penh
ICN
Seoul
$304 Roundtrip, found 6 hours ago
$304
Roundtrip
found 6 hours ago
Select China Southern Airlines flight, departing Wed, Jul 30 from Phnom Penh to Seoul, returning Fri, Aug 15, priced at $304 found 6 hours ago
Air China
Sun, Aug 17 - Sat, Sep 6
PNH
Phnom Penh
ICN
Seoul
$312 Roundtrip, found 5 hours ago
$312
Roundtrip
found 5 hours ago
Select Air China flight, departing Sun, Aug 17 from Phnom Penh to Seoul, returning Sat, Sep 6, priced at $312 found 5 hours ago
Air China
Sun, Aug 17 - Sat, Sep 6
PNH
Phnom Penh
ICN
Seoul
$334 Roundtrip, found 5 hours ago
$334
Roundtrip
found 5 hours ago
Select Air China flight, departing Sun, Aug 17 from Phnom Penh to Seoul, returning Sat, Sep 6, priced at $334 found 5 hours ago
Air China
Sun, Aug 3 - Thu, Aug 14
PNH
Phnom Penh
ICN
Seoul
$344 Roundtrip, found 2 hours ago
$344
Roundtrip
found 2 hours ago
Select Air China flight, departing Sun, Aug 3 from Phnom Penh to Seoul, returning Thu, Aug 14, priced at $344 found 2 hours ago
Xiamen Airlines
Mon, Aug 18 - Wed, Aug 20
PNH
Phnom Penh
ICN
Seoul
$354 Roundtrip, found 10 hours ago
$354
Roundtrip
found 10 hours ago
Select Xiamen Airlines flight, departing Mon, Aug 18 from Phnom Penh to Seoul, returning Wed, Aug 20, priced at $354 found 10 hours ago
Shenzhen Airlines
Sat, Nov 15 - Mon, Nov 17
PNH
Phnom Penh
ICN
Seoul
$370 Roundtrip, found 1 day ago
$370
Roundtrip
found 1 day ago
Select Shenzhen Airlines flight, departing Sat, Nov 15 from Phnom Penh to Seoul, returning Mon, Nov 17, priced at $370 found 1 day ago
Cathay Pacific
Sat, Aug 23 - Thu, Aug 28
PNH
Phnom Penh
ICN
Seoul
$385 Roundtrip, found 5 hours ago
$385
Roundtrip
found 5 hours ago
Select Cathay Pacific flight, departing Sat, Aug 23 from Phnom Penh to Seoul, returning Thu, Aug 28, priced at $385 found 5 hours ago

Find the cheapest month to fly from Phnom Penh (PNH) to Seoul (ICN)

June is typically the cheapest month to fly

From $253 - $375 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $350
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $350
Flights from Phnom Penh (PNH) to Seoul (ICN)
Origin airport
Phnom Penh Intl.
Destination airport
Incheon Intl.
Airlines serving
Air China, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, EVA Airways, Korean Air, Malaysia Airlines, Philippine Airlines, Singapore Airlines, Thai Airways International, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$257
Distance
2234 mi
Average flight time
7 hours 28 mins

Phnom Penh to Seoul Flights

The cheapest times to fly from Phnom Penh to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phnom Penh to Seoul are during the month of July. You can find some of the cheapest flights from Phnom Penh to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phnom Penh to Seoul

Sunday is one of the best days to book for cheap flights from Phnom Penh to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phnom Penh to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phnom Penh to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $206 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phnom Penh to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phnom Penh to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN) cost?
Discover the latest flight deals from PNH to ICN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PNH to ICN?
The cheapest flights from PNH to ICN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN)?
You can choose from 3 carriers that operate direct flights from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN). These include:

  • Asiana Airlines
  • Sky Angkor
  • Korean Air

What is the cheapest airline that flies from PNH to ICN?
With prices starting from $336 for a one-way flight from PNH to ICN, Asiana Airlines is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PNH on July 16 2025. Prices were last updated on July 8 2025 and have not changed since.
How many flights per day from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN)?
With an average of 3 direct flights that operate from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN) every day, you'll be cruising above the clouds before you know it.
What are the most popular departure times for flights from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN)?
More passengers fly between PNH and ICN at 11 PM than at any other time. Rather go when it's quieter? Pick a flight outside the busiest times and it's possible you'll save on your fare as well.
What day of the week has the most flights from PNH to ICN?
Travel on a Saturday if you're looking for the best choice of flights from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN).
What is the earliest flight from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN)?
Take the earliest flight at around 12:30AM UTC+7, heading out of Phnom Penh Intl. Airport (PNH). You'll be traveling for about 5h 10m, coming in to land at Incheon Intl. Airport (ICN) at approximately 7:40AM UTC+9.
How long does it take to fly from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN)?
Flights from PNH to ICN have an average travel time of 5 hours and 7 minutes. The distance between the two is 2,200 mi.
What is the best time to fly from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN)?
To avoid potential delays on the Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN) route, aim to fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seoul from Phnom Penh Intl. Airport (PNH)?
Incheon Intl. Airport (ICN) is the only airport in Seoul with direct flights from Phnom Penh Intl. Airport (PNH). Check out your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN) last-minute?
Last-minute fares from PNH to ICN are typically more expensive. To lock in the best prices, start looking for flights as early as possible. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a PNH to ICN flight and hotel package?
You'll generally save money by securing a PNH to ICN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your ideal accommodations and flights, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Phnom Penh Intl. Airport (PNH) to Incheon Intl. Airport (ICN)?
If you reserved your PNH to ICN flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.