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Phnom Penh

$751+ Cheap flights from Seoul (SEL) to Phnom Penh (PNH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — PNH
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Phnom Penh Pochentong are usually found in April or September, booked 35 days in advance, depart on a Sunday or Wednesday and return on a Monday

Cheap 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 September 16, 2025.

Round-trip from

$1,800
(Mytrip)

One-way from

$751
(Mytrip)

Popular in

January

Cheapest in

April

Average price

$283

Good round-trip deal

$332 or less

Good one-way deal

$176 or less
From Seoul (SEL) to Phnom Penh Pochentong
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One-way flight from Seoul (SEL) to Phnom Penh Pochentong
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Highest demand for flights based on searches. 14% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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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Find flight deals from Seoul to Phnom Penh

Cheapest flights from Seoul to Phnom Penh
Explore the most affordable flight options available from Seoul to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/512:10 amICN - PNH
3 stops32h 45mMultiple Airlines
Thu 10/98:30 amPNH - ICN
3 stops29h 10mMultiple Airlines
Deal found 9/13$1,800
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:30 pmICN - PNH
1 stop38h 25mMultiple Airlines
Wed 10/151:55 pmPNH - ICN
1 stop17h 25mMultiple Airlines
Deal found 9/14$2,816
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/191:35 amICN - PNH
1 stop31h 20mMultiple Airlines
Fri 10/241:55 pmPNH - ICN
2 stops16h 05mMultiple Airlines
Deal found 9/14$3,001
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:50 pmGMP - PNH
2 stops60h 05mMultiple Airlines
Fri 10/241:55 pmPNH - GMP
2 stops20h 30mMultiple Airlines
Deal found 9/14$3,763
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:50 pmICN - PNH
1 stop38h 40mMultiple Airlines
Fri 11/217:55 amPNH - ICN
2 stops50h 00mMultiple Airlines
Deal found 9/14$5,300

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Phnom Penh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Seoul to Phnom Penh that are best for you.

Fly from

Seoul

Fly to

Phnom Penh

Route

Depart

Return

Price

IncheonPhnom Penh

ICN - PNH

ICNPNH

Incheon Intl

Sun 10/5

12:10 am-6:55 am

3 stops32h 45m

Phnom Penh Pochentong

Thu 10/9

8:30 am-3:40 pm

3 stops29h 10m

$1,800

IncheonPhnom Penh

ICN - PNH

ICNPNH

Incheon Intl

Thu 10/9

6:30 pm-6:55 am

1 stop38h 25m

Phnom Penh Pochentong

Wed 10/15

1:55 pm-9:20 am

1 stop17h 25m

$2,816

IncheonPhnom Penh

ICN - PNH

ICNPNH

Incheon Intl

Sun 10/19

1:35 am-6:55 am

1 stop31h 20m

Phnom Penh Pochentong

Fri 10/24

1:55 pm-9:20 am

1 stop17h 25m

$2,816

SeoulPhnom Penh

GMP - PNH

GMPPNH

Seoul Gimpo Intl

Mon 10/20

8:50 pm-6:55 am

2 stops60h 05m

Phnom Penh Pochentong

Fri 10/24

1:55 pm-12:25 pm

2 stops20h 30m

$3,763

IncheonPhnom Penh

ICN - PNH

ICNPNH

Incheon Intl

Thu 10/30

5:50 pm-6:30 am

1 stop38h 40m

Phnom Penh Pochentong

Fri 11/21

7:55 am-11:55 am

2 stops50h 00m

$5,300

IncheonPhnom Penh

ICN - PNH

ICNPNH

Incheon Intl

Sat 10/18

9:15 pm-6:55 am

2 stops35h 40m

$751

IncheonPhnom Penh

ICN - PNH

ICNPNH

Incheon Intl

Sat 10/18

12:10 am-6:55 am

3 stops32h 45m

$827

IncheonPhnom Penh

ICN - PNH

ICNPNH

Incheon Intl

Sun 10/19

12:10 am-6:55 am

3 stops32h 45m

$901

IncheonPhnom Penh

ICN - PNH

ICNPNH

Incheon Intl

Sun 10/5

3:15 pm-6:55 am

3 stops41h 40m

$1,155

IncheonPhnom Penh

ICN - PNH

ICNPNH

Incheon Intl

Sat 10/4

9:00 pm-6:55 am

3 stops35h 55m

$1,337

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 11 results
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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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Seoul to Phnom Penh, you should look to book at least 35 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 $982). Flying from Seoul to Phnom Penh in June is currently the most expensive (average of $1,552). 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 PNH?

Find hourly flight availability from Seoul to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Seoul to Phnom Penh at noon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Seoul to Phnom Penh?

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 September 16, 2025.
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
1,140 reviews

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
1,140 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
8.2
Very good
480 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
1,140 reviews

Comfort

8.3

Overall

8.4

Entertainment

8.2

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.

  • How popular is this Seoul to Phnom Penh flight route?

    Flights from Seoul to Phnom Penh Pochentong have been viewed 35 times in the past calendar month.

  • 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 $282 round-trip. Sky Angkor is currently priced 25% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from Seoul to Phnom Penh consider choosing Sky Angkor (94%), Delta (56%) or Korean Air (56%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seoul to Phnom Penh?

    Looking for the cheapest flight from Seoul to Phnom Penh? While on average our users pay $267, our data indicates the cheapest price to be $113. The most popular route (Incheon Intl - Phnom Penh Pochentong), is priced around $229.

  • 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 $982). Flying from Seoul to Phnom Penh in June is currently the most expensive (average of $1,552). 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

Browse thousands of different options on Cheapflights for your next trip

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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

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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sky AngkorCheapest$252Average$305FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$262Average$358FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$282Average$406FlexibilityNo cancel feeOn-time76%

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