SFO - USN
$2,645 Find Cheap Flights from San Francisco to Ulsan - Compare and Save
This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Ulsan departing on 11/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Everything you should know
Cheap Flights from San Francisco to Ulsan (SFO-USN)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Ulsan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Cheap flights from San Francisco to Ulsan with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.
Sun, Nov 22 - Sun, Nov 29
6:30 am - 8:50 amSFO San Francisco-USN Ulsan
33h 20m3 stops Vancouver Intl Tokyo Narita Incheon Intl
9:30 am - 9:00 amUSN Ulsan-SFO San Francisco
40h 30m3 stops Seoul Gimpo Intl Beijing Capital Shanghai Hongqiao Intl
$2,645Multiple Airlines
Sun, Nov 22 - Sun, Nov 29
6:30 am - 8:50 amSFO San Francisco-USN Ulsan
33h 20m3 stops Vancouver Intl Tokyo Narita Incheon Intl
8:20 pm - 9:00 amUSN Ulsan-SFO San Francisco
29h 40m2 stops Seoul Gimpo Intl Shanghai Pu Dong
$2,893Multiple Airlines
Sat, Nov 21 - Sun, Nov 29
12:20 am - 7:40 pmSFO San Francisco-USN Ulsan
26h 20m2 stops Tokyo Haneda Seoul Gimpo Intl
8:20 pm - 9:00 amUSN Ulsan-SFO San Francisco
29h 40m2 stops Seoul Gimpo Intl Shanghai Pu Dong
$8,153Multiple Airlines
SFO San Francisco Airport-USN Ulsan
5605 mimulti-stop
Multiple Airlines
Expert advice for your flight from San Francisco to Ulsan
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Key details for San Francisco to Ulsan flights
Cheapest flight | $2,645 |
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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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
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Cabin class types available on flights from San Francisco to Ulsan
Cabin classes available on flights from San Francisco to Ulsan. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
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Flights from domestic origins to Ulsan
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Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.