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Flights from Hanoi to Ulsan

Find the cheapest flight options from Hanoi to Ulsan over the next three months. Book one-way tickets from SGD 190 and round-trip tickets from SGD 517.

      • HAN 01:45
        29h 5m
        1 stop
        USN 08:50
        Hanoi - Ulsan | Wed, Dec 17 | VietJet Air
        USN 09:30
        26h
        1 stop
        HAN 09:30
        Ulsan - Hanoi | Tue, Dec 23 | Korean Air
        SGD 517 SGD 854
        39% OFF
        39% OFF
        SGD 854 SGD 517
      • HAN 22:50
        18h 50m
        1 stop
        USN 19:40
        Hanoi - Ulsan | Fri, Dec 12 | VietJet Air
        USN 20:20
        15h 10m
        1 stop
        HAN 09:30
        Ulsan - Hanoi | Tue, Dec 16 | Korean Air
        SGD 535 SGD 854
        37% OFF
        37% OFF
        SGD 854 SGD 535
      • HAN 00:15
        17h 25m
        1 stop
        USN 19:40
        Hanoi - Ulsan | Sat, Dec 27 | T'Way Air
        USN 09:30
        15h 45m
        1 stop
        HAN 23:15
        Ulsan - Hanoi | Mon, Dec 29 | Korean Air
        SGD 565 SGD 854
        34% OFF
        34% OFF
        SGD 854 SGD 565
      • HAN 22:50
        12h 55m
        1 stop
        USN 13:45
        Hanoi - Ulsan | Wed, Dec 24 | VietJet Air
        USN 14:25
        25h 45m
        1 stop
        HAN 14:10
        Ulsan - Hanoi | Sun, Dec 28 | Jin Air
        SGD 595
        30% OFF
        SGD 854 SGD 595
      • HAN 00:15
        11h 30m
        1 stop
        USN 13:45
        Hanoi - Ulsan | Thu, Jan 1 | T'Way Air
        USN 09:30
        15h 45m
        1 stop
        HAN 23:15
        Ulsan - Hanoi | Sun, Jan 4 | Korean Air
        SGD 676
        21% OFF
        SGD 854 SGD 676
      • HAN 01:40
        16h
        1 stop
        USN 19:40
        Hanoi - Ulsan | Thu, Jan 1 | Jeju Air
        USN 14:25
        12h 15m
        1 stop
        HAN 00:40
        Ulsan - Hanoi | Sun, Jan 4 | Korean Air
        SGD 708
        17% OFF
        SGD 854 SGD 708
      • HAN 01:40
        29h 10m
        1 stop
        USN 08:50
        Hanoi - Ulsan | Wed, Dec 24 | Jeju Air
        USN 14:25
        12h 15m
        1 stop
        HAN 00:40
        Ulsan - Hanoi | Sun, Dec 28 | Korean Air
        SGD 709
        17% OFF
        SGD 854 SGD 709
      • HAN 13:30
        17h 20m
        1 stop
        USN 08:50
        Hanoi - Ulsan | Fri, Jan 23 | Asiana Airlines
        USN 20:20
        17h 50m
        1 stop
        HAN 12:10
        Ulsan - Hanoi | Mon, Jan 26 | Korean Air
        SGD 725
        15% OFF
        SGD 854 SGD 725
      • HAN 01:40
        16h
        1 stop
        USN 19:40
        Hanoi - Ulsan | Sat, Dec 27 | Jeju Air
        USN 14:25
        12h 15m
        1 stop
        HAN 00:40
        Ulsan - Hanoi | Mon, Dec 29 | Korean Air
        SGD 726
        15% OFF
        SGD 854 SGD 726
      • HAN 00:15
        11h 30m
        1 stop
        USN 13:45
        Hanoi - Ulsan | Wed, Dec 31 | T'Way Air
        USN 09:30
        15h 45m
        1 stop
        HAN 23:15
        Ulsan - Hanoi | Sun, Jan 4 | Korean Air
        SGD 760
        11% OFF
        SGD 854 SGD 760
      • HAN 13:00
        17h 25m
        1 stop
        USN Invalid Date
        Hanoi - Ulsan | Fri, Dec 12 | Normal Airline
        USN 15:00
        6h
        Direct
        HAN 16:00
        Ulsan - Hanoi | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights
      • HAN 01:45
        15h 55m
        1 stop
        USN 19:40
        Hanoi - Ulsan | Tue, Jan 6 | VietJet Air
        SGD 190 SGD 299
        37% OFF
        37% OFF
        SGD 299 SGD 190
      • HAN 22:50
        12h 55m
        1 stop
        USN 13:45
        Hanoi - Ulsan | Fri, Dec 19 | VietJet Air
        SGD 204 SGD 299
        32% OFF
        32% OFF
        SGD 299 SGD 204
      • HAN 00:15
        11h 30m
        1 stop
        USN 13:45
        Hanoi - Ulsan | Sat, Dec 27 | T'Way Air
        SGD 217 SGD 299
        27% OFF
        27% OFF
        SGD 299 SGD 217
      • HAN 01:45
        15h 55m
        1 stop
        USN 19:40
        Hanoi - Ulsan | Wed, Jan 21 | VietJet Air
        SGD 221
        26% OFF
        SGD 299 SGD 221
      • HAN 22:50
        12h 55m
        1 stop
        USN 13:45
        Hanoi - Ulsan | Thu, Dec 25 | VietJet Air
        SGD 222
        26% OFF
        SGD 299 SGD 222
      • HAN 22:50
        12h 55m
        1 stop
        USN 13:45
        Hanoi - Ulsan | Tue, Dec 23 | VietJet Air
        SGD 256
        14% OFF
        SGD 299 SGD 256
      • HAN 22:50
        12h 55m
        1 stop
        USN 13:45
        Hanoi - Ulsan | Wed, Dec 10 | VietJet Air
        SGD 259
        13% OFF
        SGD 299 SGD 259
      • HAN 22:50
        12h 55m
        1 stop
        USN 13:45
        Hanoi - Ulsan | Sun, Dec 14 | VietJet Air
        SGD 262
        12% OFF
        SGD 299 SGD 262
      • HAN 22:50
        12h 55m
        1 stop
        USN 13:45
        Hanoi - Ulsan | Sat, Dec 27 | VietJet Air
        SGD 266
        11% OFF
        SGD 299 SGD 266
      • HAN 00:15
        11h 30m
        1 stop
        USN 13:45
        Hanoi - Ulsan | Fri, Dec 26 | T'Way Air
        SGD 266
        11% OFF
        SGD 299 SGD 266
      • HAN 13:00
        17h 25m
        1 stop
        USN Invalid Date
        Hanoi - Ulsan | Fri, Dec 12 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Hanoi to Ulsan are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Hanoi to Ulsan

The distance between Hanoi and Ulsan is 2,790.57km. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight priceSGD 190
Cheapest return ticket priceSGD 517
Off-season travel monthSeptember
Peak season for travelJanuary
Flight distance2,790.57km

Find the best time to fly from Hanoi to Ulsan

The cheapest time for Hanoi to Ulsan flights: Jan 4 to Jan 11 — one way flight prices from SGD 189.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Hanoi to Ulsan, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Hanoi (HAN) to Ulsan (USN)?

    Based on Trip.com data, VietJet Air offers one-way fares as low as SGD 190 on Cheapest nonstop routes (e.g. HAN to USN on Tue, Jan 6), while VietJet Air offers Cheapest nonstop round-trips from SGD 517 departing on Wed, Dec 17 and returning on Tue, Dec 23.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hanoi 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 Hanoi to Ulsan, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jan 6, with one-way flights priced at just SGD 190.
    · 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 Trip.com 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 Trip.com app users.
  • The cheapest months to fly from Hanoi to Ulsan is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Hanoi to Ulsan on December 17, 2025 with VietJet Air, with prices starting at SGD 516.
  • The time difference between Ulsan and Hanoi is 2h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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