$306 Cheap Flights from Phnom Penh (PNH) to Jeju (CJU)

View $306 flight on Fri, Aug 15, 2025Opens in a new window

Popular airlines from Phnom Penh Intl. Airport (PNH) to Jeju Intl. Airport (CJU)

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Cheap Flights from Phnom Penh to Jeju (PNH-CJU)

Prices were available within the past 7 days and start at $306 for one-way flights and $438 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Thu, Sep 18 - Mon, Sep 22
PNH
Phnom Penh
CJU
Jeju City
$438 Roundtrip, found 6 days ago
$438
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Thu, Sep 18 from Phnom Penh to Jeju City, returning Mon, Sep 22, priced at $438 found 6 days ago
China Eastern Airlines
Tue, Sep 16 - Sat, Sep 20
PNH
Phnom Penh
CJU
Jeju City
$459 Roundtrip, found 6 days ago
$459
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Tue, Sep 16 from Phnom Penh to Jeju City, returning Sat, Sep 20, priced at $459 found 6 days ago
China Eastern Airlines
Thu, Sep 18 - Wed, Sep 24
PNH
Phnom Penh
CJU
Jeju City
$461 Roundtrip, found 6 days ago
$461
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Thu, Sep 18 from Phnom Penh to Jeju City, returning Wed, Sep 24, priced at $461 found 6 days ago
China Eastern Airlines
Thu, Sep 18 - Sun, Sep 21
PNH
Phnom Penh
CJU
Jeju City
$464 Roundtrip, found 6 days ago
$464
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Thu, Sep 18 from Phnom Penh to Jeju City, returning Sun, Sep 21, priced at $464 found 6 days ago
China Eastern Airlines
Thu, Sep 18 - Sat, Sep 20
PNH
Phnom Penh
CJU
Jeju City
$471 Roundtrip, found 6 days ago
$471
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Thu, Sep 18 from Phnom Penh to Jeju City, returning Sat, Sep 20, priced at $471 found 6 days ago
Shenzhen Airlines
Fri, Sep 19 - Mon, Sep 22
PNH
Phnom Penh
CJU
Jeju City
$481 Roundtrip, found 6 days ago
$481
Roundtrip
found 6 days ago
Select Shenzhen Airlines flight, departing Fri, Sep 19 from Phnom Penh to Jeju City, returning Mon, Sep 22, priced at $481 found 6 days ago
Air China
Sun, Sep 21 - Mon, Sep 22
PNH
Phnom Penh
CJU
Jeju City
$485 Roundtrip, found 6 days ago
$485
Roundtrip
found 6 days ago
Select Air China flight, departing Sun, Sep 21 from Phnom Penh to Jeju City, returning Mon, Sep 22, priced at $485 found 6 days ago
China Eastern Airlines
Mon, Sep 22 - Wed, Sep 24
PNH
Phnom Penh
CJU
Jeju City
$489 Roundtrip, found 6 days ago
$489
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Mon, Sep 22 from Phnom Penh to Jeju City, returning Wed, Sep 24, priced at $489 found 6 days ago
Singapore Airlines
Sun, Aug 17 - Sun, Aug 24
PNH
Phnom Penh
CJU
Jeju City
$557 Roundtrip, found 2 days ago
$557
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Sun, Aug 17 from Phnom Penh to Jeju City, returning Sun, Aug 24, priced at $557 found 2 days ago
Asiana Airlines
Sat, Sep 20 - Tue, Sep 23
PNH
Phnom Penh
CJU
Jeju City
$663 Roundtrip, found 6 days ago
$663
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Sat, Sep 20 from Phnom Penh to Jeju City, returning Tue, Sep 23, priced at $663 found 6 days ago
Flights from Phnom Penh (PNH) to Jeju (CJU)
Origin airport
Phnom Penh Intl.
Destination airport
Jeju Intl.
Roundtrip price
$438
Distance
2042 mi

Phnom Penh to Jeju Flights

The cheapest times to fly from Phnom Penh to Jeju

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 Jeju are during the month of September. You can find some of the cheapest flights from Phnom Penh to Jeju with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Phnom Penh to Jeju: 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 Jeju

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 Jeju in 2025. You can also book with separate airlines for your outbound and return journeys, from $306 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 Jeju 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 Jeju 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 Jeju Intl. Airport (CJU) cost?
Discover the latest flight deals from PNH to CJU 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 CJU?
The cheapest flights from PNH to CJU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PNH to CJU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PNH to CJU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Phnom Penh Intl. Airport (PNH) to Jeju Intl. Airport (CJU)?
Direct flights from Phnom Penh Intl. Airport (PNH) to Jeju Intl. Airport (CJU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PNH to CJU?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Phnom Penh Intl. Airport (PNH) to Jeju Intl. Airport (CJU)?
To avoid possible delays on the Phnom Penh Intl. Airport (PNH) to Jeju Intl. Airport (CJU) route, aim to travel before 3 PM. Flights 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.
Is it cheaper to buy a plane ticket from Phnom Penh Intl. Airport (PNH) to Jeju Intl. Airport (CJU) last-minute?
Holding off until just before your departure to book a ticket from PNH to CJU generally means paying more. While you may come across some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of snagging a bargain.
Is it cheaper to book a PNH to CJU flight and hotel package?
You'll typically save money by securing a PNH to CJU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your preferred accommodations and flights, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Phnom Penh Intl. Airport (PNH) to Jeju Intl. Airport (CJU)?
Usually, it's possible to reschedule or cancel your PNH to CJU flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.