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Phnom Penh

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

SEL — KTI
Sep 23 — Sep 301
Wed 9/23
Wed 9/30
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Phnom Penh Techo Intl are usually found in March or September, booked 88 days in advance, depart on a Sunday or Wednesday and return on a Friday

Find flight deals from Seoul to Phnom Penh

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Popular in

June

Cheapest in

March

Average price

$401
Provider with most accurate pricing for Seoul (SEL)-Phnom Penh Techo Intl flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Phnom Penh Techo Intl flights.
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Highest demand for flights based on searches. 9% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Compare providers for flights from Seoul to Phnom Penh

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Phnom Penh in August.
ProviderPrice AccuracyTrust Score*
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 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 Seoul-Phnom Penh flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Seoul-Phnom Penh flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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

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?

To ensure you get the cheapest price possible for a flight from Seoul to Phnom Penh, you should look to book at least 85 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, March is the cheapest month in which you can book a flight from Seoul to Phnom Penh (average of $278). Flying from Seoul to Phnom Penh in June is currently the most expensive (average of $548). 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.

What is the cheapest time of day to fly from SEL to KTI?

When flying from Seoul to Phnom Penh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Phnom Penh

Peruse reviews from past customers who have flown with Korean Air,Asiana Airlines, andSky Angkor from Seoul to Phnom Penh to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,221 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

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
1,221 reviews
Korean Air
8.4
Very good
1,221 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

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
558 reviews
Korean Air
8.4
Very good
1,221 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

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
1,221 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

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

  • What airport do you fly into for flights to Phnom Penh from Seoul?

    Located just 14.1 mi from the city center, Phnom Penh Techo Intl is the airport most travelers will use when flying to Phnom Penh from Seoul. Booking flights from Seoul to Techo Intl (KTI) should be relatively easy as there are 4 daily inbound flights from Seoul from 3 different airlines.

  • 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 $249 on this airline. Additional options worth looking into are Asiana Airlines and Korean Air, starting at $266 and $300 round-trip. Sky Angkor is currently priced 37% 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 $70. China Eastern flights start at $102 while deals on Vietnam Airlines start at $136 one-way.

  • What are the most reliable airlines from Seoul to Phnom Penh?

    The top 3 most reliable airlines when flying from Seoul to Phnom Penh are Asiana Airlines (71%), United Airlines (71%) and Sky Angkor (67%).

  • 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, March is the cheapest month in which you can book a flight from Seoul to Phnom Penh (average of $278). Flying from Seoul to Phnom Penh in June is currently the most expensive (average of $548). 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

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Alternative routes for Seoul to Phnom Penh

Incheon Intl to Siem Reap flights

Top 3 airlines flying from Seoul to Phnom Penh

AirlineCheapestAverageFlexibilityOn-time
Sky AngkorCheapest$249Average$369FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$266Average$387FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$300Average$387FlexibilityNo cancel feeOn-time81%

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