How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Ulsan 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 Ulsan Airport.

What documentation or ID do you need to fly to Ulsan Airport?

The travel and health documents required for your trip to Ulsan Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ulsan Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,908 Cheap Flights from Washington, D.C. Dulles Intl Airport to Ulsan in 2026

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Ulsan

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:15 pm - 8:20 am

IAD

USN

30h 05m

1 stop

8:35 pm - 11:05 am

USN

IAD

27h 30m

1 stop

$1,908Korean Air

Mon, Sep 21 - Tue, Sep 29

7:50 pm - 8:20 am

IAD

USN

47h 30m

2 stops

8:35 pm - 11:05 am

USN

IAD

27h 30m

1 stop

$1,913Korean Air

Sun, Sep 20 - Tue, Sep 29

1:15 pm - 8:20 am

IAD

USN

30h 05m

1 stop

8:35 pm - 12:10 am

USN

IAD

40h 35m

2 stops

$1,919Korean Air

Thu, Sep 24 - Tue, Sep 29

7:59 pm - 7:55 pm

IAD

USN

34h 56m

2 stops

9:00 am - 9:18 pm

USN

IAD

49h 18m

2 stops

$1,924Korean Air

Sun, Sep 20 - Tue, Sep 29

1:15 pm - 8:20 am

IAD

USN

30h 05m

1 stop

8:35 pm - 11:05 am

USN

IAD

27h 30m

1 stop

$1,958Korean Air

Sat, Sep 19 - Tue, Sep 29

7:59 pm - 7:55 pm

IAD

USN

34h 56m

2 stops

8:35 pm - 11:05 am

USN

IAD

27h 30m

1 stop

$1,963Korean Air

Sat, Sep 19 - Tue, Sep 29

1:15 pm - 8:20 am

IAD

USN

30h 05m

1 stop

8:35 pm - 9:18 pm

USN

IAD

37h 43m

2 stops

$1,969Korean Air

Wed, Sep 2 - Sat, Sep 12

7:00 am - 8:20 am

IAD

USN

36h 20m

2 stops

8:35 pm - 12:10 am

USN

IAD

40h 35m

2 stops

$1,974Korean Air

Wed, Sep 2 - Sat, Sep 12

1:15 pm - 8:20 am

IAD

USN

30h 05m

1 stop

8:35 pm - 12:10 am

USN

IAD

40h 35m

2 stops

$2,019Korean Air

Fri, Sep 4 - Sat, Sep 12

5:30 pm - 8:20 am

IAD

USN

25h 50m

2 stops

9:00 am - 12:10 am

USN

IAD

28h 10m

2 stops

$2,024Korean Air

Sat, Sep 5 - Sat, Sep 12

Korean Air flights from Washington, D.C. Dulles Intl Airport to Ulsan

Our best Korean Air deals on Washington, D.C. Dulles Intl Airport to Ulsan flight tickets

Korean Air

Sep 21

IAD1:15 pmWashington, D.C. Dulles Intl

30h 05m

1 stop

USN8:20 amUlsan

Sep 29

USN8:35 pmUlsan

27h 30m

1 stop

IAD11:05 amWashington, D.C. Dulles Intl

$1,908

Korean Air

Sep 20

IAD7:50 pmWashington, D.C. Dulles Intl

47h 30m

2 stops

USN8:20 amUlsan

Sep 29

USN8:35 pmUlsan

27h 30m

1 stop

IAD11:05 amWashington, D.C. Dulles Intl

$1,913

Korean Air

Sep 24

IAD1:15 pmWashington, D.C. Dulles Intl

30h 05m

1 stop

USN8:20 amUlsan

Sep 29

USN8:35 pmUlsan

40h 35m

2 stops

IAD12:10 amWashington, D.C. Dulles Intl

$1,919

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ulsan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Mon 9/21

1:15 pm-8:20 am

1 stop30h 05m

Ulsan

Tue 9/29

8:35 pm-11:05 am

1 stop27h 30m

$1,908

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Sun 9/20

7:50 pm-8:20 am

2 stops47h 30m

Ulsan

Tue 9/29

8:35 pm-11:05 am

1 stop27h 30m

$1,913

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Thu 9/24

1:15 pm-8:20 am

1 stop30h 05m

Ulsan

Tue 9/29

8:35 pm-12:10 am

2 stops40h 35m

$1,919

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Sun 9/20

7:59 pm-7:55 pm

2 stops34h 56m

Ulsan

Tue 9/29

9:00 am-9:18 pm

2 stops49h 18m

$1,924

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Sat 9/19

1:15 pm-8:20 am

1 stop30h 05m

Ulsan

Tue 9/29

8:35 pm-11:05 am

1 stop27h 30m

$1,958

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Sat 9/19

7:59 pm-7:55 pm

2 stops34h 56m

Ulsan

Tue 9/29

8:35 pm-11:05 am

1 stop27h 30m

$1,963

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Wed 9/2

1:15 pm-8:20 am

1 stop30h 05m

Ulsan

Sat 9/12

8:35 pm-9:18 pm

2 stops37h 43m

$1,969

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Wed 9/2

7:00 am-8:20 am

2 stops36h 20m

Ulsan

Sat 9/12

8:35 pm-12:10 am

2 stops40h 35m

$1,974

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Fri 9/4

1:15 pm-8:20 am

1 stop30h 05m

Ulsan

Sat 9/12

8:35 pm-12:10 am

2 stops40h 35m

$2,019

Quickest round-trip

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Sat 9/5

5:30 pm-8:20 am

2 stops25h 50m

Ulsan

Sat 9/12

9:00 am-12:10 am

2 stops28h 10m

$2,024

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

How often are flights from Washington, D.C. to Ulsan delayed?

Historically, on average around 16% of flights between Washington, D.C. and Ulsan have experienced a delay on any given week. The average delay length over the past 12 months has been 122 minutes.

What is the most punctual flight time for Washington, D.C. to Ulsan flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to Ulsan flights?

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Ulsan 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 Ulsan (IAD to USN) flight deals and tips

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

Fastest flight time	44h 50m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Ulsan takes 44h 50m

There are no direct flights from Washington, D.C. Dulles Intl Airport to Ulsan. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Ulsan.

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Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Ulsan

How far is Washington, D.C. Dulles Intl to Ulsan by plane?
A flight from Washington, D.C. Dulles Intl to Ulsan will travel around 7009.3 mi. By plane, this route typically takes 44h 50m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Ulsan Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Ulsan Airport refresh daily.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Ulsan 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 Ulsan Airport.
What documentation or ID do you need to fly to Ulsan Airport?
The travel and health documents required for your trip to Ulsan Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ulsan Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Ulsan from Washington, D.C. with this policy.

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

Once all potential Washington, D.C. to Ulsan flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Washington, D.C. to Ulsan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.