IAD - USN

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Flight Deals

Cheap Flights from Washington, D.C. to Ulsan (IAD-USN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Ulsan

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IAD  Washington Dulles Airport-USN Ulsan
7005 mimulti-stop
Multiple Airlines Logo
USN  Ulsan-IAD Washington Dulles Airport
7005 mimulti-stop
Multiple Airlines
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Expert advice

Expert advice for your flight from Washington, D.C. to Ulsan

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

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Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

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When to book flights from Washington, D.C. to Ulsan

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Ulsan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Ulsan flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Ulsan?

    Flights from Washington, D.C. Dulles Intl Airport to Ulsan usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Ulsan (USN).

  • What popular places can I visit in Ulsan?

    Some of the most popular sights in Ulsan are University of Ulsan and Ganjeolgot. These are among the most viewed places in Ulsan on KAYAK.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Ulsan?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Ulsan?

    Ulsan is 13 hours ahead of Washington, D.C. Dulles Intl Airport (Korean Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

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