SFO - USN

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1 adult, Economy, 0 bags

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Cheap Flights from San Francisco to Ulsan (SFO-USN)

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

Recent round-trip flight deals from San Francisco to Ulsan

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SFO  San Francisco Airport-USN Ulsan
5605 mimulti-stop
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USN  Ulsan-SFO San Francisco Airport
5605 mimulti-stop
Multiple Airlines
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Expert advice

Expert advice for your flight from San Francisco 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 San Francisco to Ulsan

Are your dates flexible? Find out the best times to travel from San Francisco 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 San Francisco 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 San Francisco to Ulsan?

    Flights from San Francisco to Ulsan usually depart from San Francisco (SFO) and arrive at Ulsan (USN).

  • What popular places can I visit in Ulsan?

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

  • Do I need a passport to fly from San Francisco 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 San Francisco and Ulsan?

    Ulsan is 16 hours ahead of San Francisco (Korean Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Everything you need to know for your flight from San Francisco to Ulsan

Information on your arrival and departure airports

San Francisco (SFO)
Ulsan (USN)