$2,285+ Cheap flights from District of Columbia to Ulsan (USN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — USN
Feb 25 — Mar 41
1 adult, Economy
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Keep the following information in mind while searching for District of Columbia to Ulsan flight deals. Data was last updated February 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $2,285 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,721 |
Find flight deals from District of Columbia to Ulsan
Cheapest flights from District of Columbia to UlsanExplore the most affordable flight options available from District of Columbia to Ulsan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
Explore the most affordable flight options available from District of Columbia to Ulsan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
This Trip.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1612:10 pmIAD - USN
2 stops31h 40mMultiple Airlines
Sun 3/238:15 pmUSN - IAD
2 stops50h 55mMultiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$2,285
Find flights from District of Columbia to Ulsan within your budget
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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
Fly from
District of Columbia
Fly to
Ulsan
Route
Depart
Return
Price
Washington, D.C.Ulsan
IAD - USN
IADUSN
Washington, D.C. Dulles Intl
Sun 3/16
12:10 pm-8:50 am
2 stops31h 40m
Ulsan
Sun 3/23
8:15 pm-10:10 am
2 stops50h 55m
$2,285
Best time to book a flight from District of Columbia to Ulsan
Have a flexible travel schedule? Discover the best time to fly to Ulsan from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Travel insights for flights from District of Columbia to Ulsan
Get recent, data-driven insights about flights from District of Columbia to Ulsan including ideal travel times, pricing trends, and more.
What is the cheapest time of day to fly from DC to USN?
Find hourly flight availability from District of Columbia to Ulsan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Ulsan as you normally would.
Rainfall in Ulsan by month
Plan your trip to Ulsan by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ulsan ranges from 1.2 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Ulsan when rainfall is around 1.2 in.
Temperature in Ulsan by month
Plan your trip to Ulsan by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ulsan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).