How long does it take to fly to Ulsan?

Flight times from Washington, D.C. to Ulsan vary, but if you’re flying out of Washington, D.C. and flying into Busan (one of the most popular routes), then the duration is 26h 53m on average. Another popular route from Washington, D.C. to Ulsan is flying from Baltimore to Busan, which will take roughly 29h. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Washington, D.C. to Ulsan Airport?

Prices for flights from Washington, D.C. to Ulsan Airport are updated daily.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Ulsan Airport.

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

The required travel and health documents for your Ulsan Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ulsan Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$8,413 Cheap Flights from Washington, D.C. to Ulsan in 2026

1 adult

0 bags

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

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12:15 pm - 8:20 am

IAD

USN

31h 05m

2 stops

3:00 pm - 1:30 pm

USN

IAD

35h 30m

3 stops

$8,413Multiple Airlines

vie., may. 29 - vie., jun. 5

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Fly to

Route

Depart

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Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

vie. 5/29

12:15 pm-8:20 am

2 stops31h 05m

Ulsan

vie. 6/5

3:00 pm-1:30 pm

3 stops35h 30m

$8,413

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How to get the cheapest flight ticket from Washington, D.C. 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

Delays

Other information

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

Historically, on average around 18% 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 123 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. to Ulsan

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

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

Fastest flight time	31h 05m
Direct flights	None

The fastest flight from Washington, D.C. to Ulsan takes 31h 05m

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

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

How far is Washington, D.C. to Ulsan by plane?
A flight from Washington, D.C. to Ulsan will travel around 7020.3 mi. Flights usually cover this in 31h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. to Ulsan Airport?
Prices for flights from Washington, D.C. to Ulsan Airport are updated daily.
How old do you have to be to fly from Washington, D.C. to Ulsan Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Ulsan Airport.
What documentation or ID do you need to fly to Ulsan Airport?
The required travel and health documents for your Ulsan Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ulsan Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Ulsan flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ulsan that suits you.

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

momondo does allow users to show only those flights to Ulsan from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Washington, D.C. and Ulsan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Washington, D.C. to Ulsan now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ulsan and let you know when they change.