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Phnom Penh

Cheap flights from Seoul (SEL) to Phnom Penh (PNH)

SEL — PNH
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Phnom Penh Pochentong are usually found in December or September, booked 55 days in advance, depart on a Friday or Sunday and return on a Monday

Find flight deals from Seoul to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Phnom Penh (PNH). 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 February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

February

Cheapest in

December

Average price

$416

Good round-trip deal

$300 or less

Good one-way deal

$157 or less
Provider with most accurate pricing for Seoul (SEL)-Phnom Penh Pochentong flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Phnom Penh Pochentong flights.
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Highest demand for flights based on searches. 12% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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Price to beat on a round-trip flight from Seoul (SEL) to Phnom Penh Pochentong.
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Price to beat on a one-way flight from Seoul (SEL) to Phnom Penh Pochentong.
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  • Most accurate provider: When it comes to deals on Seoul-Phnom Penh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Phnom Penh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Phnom Penh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Phnom Penh 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 Seoul-Phnom Penh 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 Seoul to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Seoul 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 Seoul to Phnom Penh

How far ahead should I book a flight from Seoul to Phnom Penh?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Phnom Penh. Price data was last updated on February 6, 2026.

To ensure you get the cheapest price possible for a flight from Seoul to Phnom Penh, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seoul to Phnom Penh?

Currently, June is the cheapest month in which you can book a flight from Seoul to Phnom Penh (average of $216). Flying from Seoul to Phnom Penh in April is currently the most expensive (average of $269). 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 Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated February 14, 2026.
See what other customers who have flown with Korean Air, Asiana Airlines, and Sky Angkor from Seoul to Phnom Penh have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,191 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,191 reviews
Korean Air
8.4
Very good
1,191 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.1
Very good
503 reviews
Korean Air
8.4
Very good
1,191 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Sky Angkor
5.0
Fair
Korean Air
8.4
Very good
1,191 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Seoul to Phnom Penh. 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 Phnom Penh from Seoul?

    Most people fly into Phnom Penh Pochentong (PNH) if they book a flight to Phnom Penh from Seoul. On average, Pochentong has 0 inbound flights from Seoul per day from 3 airlines. Phnom Penh Pochentong is conveniently located just 5.0 mi from Phnom Penh’s city center.

  • What are the cheapest airlines flying from Seoul to Phnom Penh round-trip?

    Our cheapest airline available from Seoul to Phnom Penh is Sky Angkor. Our recent data shows that you can find tickets from as low as $252 on this airline. Additional options worth looking into are Korean Air and Asiana Airlines, starting at $262 and $281 round-trip. Sky Angkor is currently priced 24% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Seoul to Phnom Penh one-way?

    To fly one-way, consider booking your trip with Sky Angkor, which is currently one of the cheapest options available, starting at $117. Asiana Airlines flights start at $172 while deals on Korean Air start at $174 one-way.

  • Can I find deals for flights from Seoul to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on Seoul to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seoul to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Phnom Penh.

  • Can I find deals for business class flights from Seoul to Phnom Penh?

    Yes. Cheapflights offers flight deals from Seoul to Phnom Penh 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 Seoul to Phnom Penh?

    Currently, June is the cheapest month in which you can book a flight from Seoul to Phnom Penh (average of $216). Flying from Seoul to Phnom Penh in April is currently the most expensive (average of $269). 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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Alternative routes for Seoul to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Phnom Penh flights
Incheon Intl to Siem Reap flights

Top 3 airlines flying from Seoul to Phnom Penh

Discover the top 3 airlines that operate flights from Seoul to Phnom Penh. 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 February 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sky AngkorCheapest$252Average$292FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$262Average$334FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$281Average$382FlexibilityNo cancel feeOn-time76%

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