NHA to USN, to Ulsan Airport Cheap Flights

Based on HopeGoo data, VietJet Air offers one-way fares as low as US$194 on Cheapest nonstop routes (e.g. CXR to USN on Fri, Mar 27), while Eastar Jet offers Cheapest nonstop round-trips from US$614 departing on Tue, Feb 17 and returning on Fri, Feb 20.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Nha Trang 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 Nha Trang 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 Fri, Mar 27, with one-way flights priced at just US$194. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is VietJet Air. · 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 January. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Nha Trang 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 Nha Trang to Ulsan on February 17, 2026 with Eastar Jet, with prices starting at US$614.

The time difference between Ulsan and Nha Trang is 2h.

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