BJS to USN, to Ulsan Airport Cheap Flights

Based on HopeGoo data, Spring Airlines offers one-way fares as low as US$94 on Cheapest nonstop routes (e.g. PKX to USN on Tue, Mar 10), while Korean Air offers Cheapest nonstop round-trips from US$354 departing on Tue, Feb 10 and returning on Mon, Feb 16.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Beijing to Ulsan is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Beijing to Ulsan, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Mar 10, with one-way flights priced at just US$94. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Spring Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Ulsan travel is around August. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Beijing to Ulsan is October, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Beijing to Ulsan on February 10, 2026 with Korean Air, with prices starting at US$354.

The time difference between Ulsan and Beijing is 1h.

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