$1,263 Cheap Flights from Washington (IAD) to Jeju (CJU)

View $1,263 flight on Wed, Jul 22, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Jeju Intl. Airport (CJU)

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Cheap Flights from Washington to Jeju (IAD-CJU)

Prices were available within the past 7 days and start at $1,263 for one-way flights and $1,795 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Feb 17 - Thu, Mar 5
IAD
Washington
CJU
Jeju City
$1,795 Roundtrip, found 2 days ago
$1,795
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Feb 17 from Washington to Jeju City, returning Thu, Mar 5, priced at $1,795 found 2 days ago
Delta
Tue, Feb 10 - Tue, Feb 24
IAD
Washington
CJU
Jeju City
$1,796 Roundtrip, found 2 days ago
$1,796
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Feb 10 from Washington to Jeju City, returning Tue, Feb 24, priced at $1,796 found 2 days ago
Korean Air
Mon, Feb 9 - Tue, Feb 24
IAD
Washington
CJU
Jeju City
$1,797 Roundtrip, found 2 days ago
$1,797
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Feb 9 from Washington to Jeju City, returning Tue, Feb 24, priced at $1,797 found 2 days ago
Korean Air
Thu, Feb 12 - Thu, Mar 5
IAD
Washington
CJU
Jeju City
$1,801 Roundtrip, found 2 days ago
$1,801
Roundtrip
found 2 days ago
Select Korean Air flight, departing Thu, Feb 12 from Washington to Jeju City, returning Thu, Mar 5, priced at $1,801 found 2 days ago
Korean Air
Sun, Feb 8 - Tue, Feb 24
IAD
Washington
CJU
Jeju City
$1,802 Roundtrip, found 2 days ago
$1,802
Roundtrip
found 2 days ago
Select Korean Air flight, departing Sun, Feb 8 from Washington to Jeju City, returning Tue, Feb 24, priced at $1,802 found 2 days ago
Delta
Wed, Feb 11 - Thu, Feb 26
IAD
Washington
CJU
Jeju City
$1,807 Roundtrip, found 2 days ago
$1,807
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Feb 11 from Washington to Jeju City, returning Thu, Feb 26, priced at $1,807 found 2 days ago
Korean Air
Sun, Feb 1 - Tue, Feb 17
IAD
Washington
CJU
Jeju City
$1,813 Roundtrip, found 2 days ago
$1,813
Roundtrip
found 2 days ago
Select Korean Air flight, departing Sun, Feb 1 from Washington to Jeju City, returning Tue, Feb 17, priced at $1,813 found 2 days ago
Delta
Mon, Feb 2 - Sat, Feb 14
IAD
Washington
CJU
Jeju City
$1,845 Roundtrip, found 2 days ago
$1,845
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Feb 2 from Washington to Jeju City, returning Sat, Feb 14, priced at $1,845 found 2 days ago
Delta
Sat, Feb 7 - Tue, Feb 24
IAD
Washington
CJU
Jeju City
$1,846 Roundtrip, found 2 days ago
$1,846
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Feb 7 from Washington to Jeju City, returning Tue, Feb 24, priced at $1,846 found 2 days ago
Air China
Tue, Jun 30 - Sun, Jul 5
IAD
Washington
CJU
Jeju City
$2,923 Roundtrip, found 3 days ago
$2,923
Roundtrip
found 3 days ago
Select Air China flight, departing Tue, Jun 30 from Washington to Jeju City, returning Sun, Jul 5, priced at $2,923 found 3 days ago

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Jeju Intl. Airport (CJU) cost?
Lock in a cheap one-way flight from $1,263 or cheap return flight from $1,795 from Washington Dulles Intl. Airport (IAD) to Jeju Intl. Airport (CJU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Jeju Intl. Airport (CJU)?
Flying in February is a great way to save, as it's the cheapest month for flights between IAD and CJU. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Jeju Intl. Airport (CJU)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from IAD to CJU. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Jeju Intl. Airport (CJU)?
You'll need to catch a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to Jeju Intl. Airport (CJU). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from IAD to CJU?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Jeju Intl. Airport (CJU)?
Select a flight from Washington Dulles Intl. Airport (IAD) to Jeju Intl. Airport (CJU) that takes off before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**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 Washington Dulles Intl. Airport (IAD) to Jeju Intl. Airport (CJU) last-minute?
Booking your ticket from IAD to CJU shortly before your getaway is generally more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book an IAD to CJU flight and hotel package?
You'll generally save money by securing an IAD 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 easy to manage it all in one convenient place. After choosing your ideal accommodations and flights, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Jeju Intl. Airport (CJU)?
In most cases, you can reschedule or cancel your IAD to CJU flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, visit our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Jeju Intl.
Roundtrip price
$1,794
Distance
7200 mi

Book with confidence

Washington to Jeju Flights

The cheapest times to fly from Washington 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 Washington to Jeju are during the month of February. You can find some of the cheapest flights from Washington to Jeju with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Jeju

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Jeju in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,263 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 Washington 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 Washington 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.

 

Washington to Jeju Flights

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*Available to One Key members.