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Cheap flights from Washington, D.C. Dulles Intl Airport to Jeju City from $1,332

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Jeju City departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Jeju City

Cheap round-trip flights

Multiple Airlines Logo
11:10 am - 7:10 pmIAD-CJU
42h 00m2 stops
Multiple Airlines Logo
7:00 am - 9:10 amCJU-IAD
40h 10m2 stops
$2,700Multiple Airlines
Find Deal
Thu, Dec 25 - Tue, Jan 6
Multiple Airlines Logo
9:10 pm - 12:50 pmIAD-CJU
49h 40m2 stops
Multiple Airlines Logo
1:50 pm - 3:30 pmCJU-IAD
63h 40m2 stops
$5,885Multiple Airlines
Find Deal
Sat, Dec 20 - Sat, Jan 3
Multiple Airlines Logo
9:00 am - 11:35 amIAD-CJU
36h 35m3 stops
Multiple Airlines Logo
10:25 pm - 8:29 pmCJU-IAD
36h 04m3 stops
$6,797Multiple Airlines
Find Deal
Sat, Dec 20 - Sat, Jan 3

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Jeju City 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, momondo users made 832,500 searches. Data last updated September 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Jeju City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Jeju City

IAD - CJU

IADCJU

Washington, D.C. Dulles Intl

Thu 12/25

11:10 am-7:10 pm

2 stops42h 00m

Jeju City

Tue 1/6

7:00 am-9:10 am

2 stops40h 10m

$2,700

Washington, D.C.Jeju City

IAD - CJU

IADCJU

Washington, D.C. Dulles Intl

Sat 12/20

9:10 pm-12:50 pm

2 stops49h 40m

Jeju City

Sat 1/3

1:50 pm-3:30 pm

2 stops63h 40m

$5,885

Washington, D.C.Jeju City

IAD - CJU

IADCJU

Washington, D.C. Dulles Intl

Sat 12/20

9:00 am-11:35 am

3 stops36h 35m

Jeju City

Sat 1/3

10:25 pm-8:29 pm

3 stops36h 04m

$6,797

Washington, D.C.Jeju City

IAD - CJU

IADCJU

Washington, D.C. Dulles Intl

Sun 12/7

12:20 pm-7:30 am

2 stops29h 10m

$1,332

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Jeju City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Jeju City?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Jeju City is on a Saturday. Travelers who choose to depart for Jeju City on a Saturday will often find tickets for as low as $2,016. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Jeju City for around $3,213.

What is the cheapest time of day to depart on your flight to Jeju City?

In the morning is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Jeju City when you can find flight prices for as low as $2,016. Flying to Jeju City in the morning is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $3,213.

When to book flights from Washington, D.C. Dulles Intl Airport to Jeju City

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Jeju City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Jeju City (IAD to CJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Jeju City

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Jeju City. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Jeju City.
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  • How far is Washington, D.C. Dulles Intl to Jeju City by plane?

    The distance between Washington, D.C. Dulles Intl and Jeju City is about 7195.2 mi. In terms of flight time, this usually takes a little over 36h 35m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Jeju City Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Jeju City Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Jeju City Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Jeju City Airport.

  • What documentation or ID do you need to fly to Jeju City Airport?

    The necessary travel and health documents for your Jeju City Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Jeju City?

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Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Jeju City?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Jeju City. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Jeju City with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Jeju City flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Jeju City?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Jeju City from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Jeju City right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Jeju City from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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