Cheap flights from District of Columbia to Busan from $1,155

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Busan departing on 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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LAX-USN
5938 mimulti-stop
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USN-LAX
5938 mimulti-stop
Multiple Airlines
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JFK-USN
6964 mimulti-stop
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USN-JFK
6964 mimulti-stop
Multiple Airlines
Find Deal

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Ulsan 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 4, 2025.
Use the filters below to find and compare flights from District of Columbia to Ulsan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Mon 10/27

12:50 pm-8:50 am

1 stop31h 00m

$1,155

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Mon 10/27

6:18 am-7:35 pm

2 stops24h 17m

$1,161

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Mon 10/27

5:55 pm-8:50 am

2 stops25h 55m

$7,397

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How to get the cheapest flight ticket from District of Columbia 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

What is the cheapest day to depart on your flight to Ulsan?

On average, the least expensive day to fly to Ulsan from District of Columbia is on a Friday. momondo users have found tickets for Friday departures for as low as $350. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Ulsan on Monday is $521.

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

Flying to Ulsan from District of Columbia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $376 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Ulsan is in the morning when prices are around $451.

Cheap District of Columbia to Ulsan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Ulsan

Direct flights

None
There are no direct flights from District of Columbia to Ulsan. There are no popular flight routes from District of Columbia to Ulsan.
  • When did momondo last update prices for flights from District of Columbia to Ulsan Airport?

    Prices for flights from District of Columbia to Ulsan Airport refresh daily.

  • How old do you have to be to fly from District of Columbia 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 District of Columbia 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 District of Columbia to Ulsan?

It is quick and easy to find District of Columbia 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 District of Columbia to Ulsan with flexible booking policies on momondo?

Flights from District of Columbia to Ulsan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from District of Columbia to Ulsan?

momondo helps you find the best flight between District of Columbia 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 District of Columbia to Ulsan right now. Can momondo alert me if prices change?

Yes. momondo can track prices for District of Columbia to Ulsan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Tue 9/9
Tue 9/16

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