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Flights from Ulsan to Udon Thani

Find flight deals from Ulsan to Udon Thani for the next 3 months. Book one way flights from TWD 10,512 or round trip flights from TWD 23,114.

      • USN 9:30 AM
        25h
        2 stops
        UTH 8:30 AM
        Ulsan - Udon Thani | Sat, Dec 20 | Korean Air
        UTH 8:40 AM
        22h 10m
        2 stops
        USN 8:50 AM
        Udon Thani - Ulsan | Fri, Dec 26 | Thai AirAsia
        TWD 23,114 TWD 37,839
        39% OFF
        39% OFF
        TWD 37,839 TWD 23,114
      • USN 2:25 PM
        32h
        2 stops
        UTH 8:25 PM
        Ulsan - Udon Thani | Mon, Dec 29 | Jin Air
        UTH 2:10 PM
        21h 35m
        2 stops
        USN 1:45 PM
        Udon Thani - Ulsan | Sun, Jan 4 | Thai Airways
        TWD 26,511 TWD 37,839
        30% OFF
        30% OFF
        TWD 37,839 TWD 26,511
      • USN 2:25 PM
        32h
        2 stops
        UTH 8:25 PM
        Ulsan - Udon Thani | Mon, Dec 29 | Korean Air
        UTH 2:10 PM
        27h 30m
        2 stops
        USN 7:40 PM
        Udon Thani - Ulsan | Sun, Jan 4 | Thai Airways
        TWD 26,923 TWD 37,839
        28% OFF
        28% OFF
        TWD 37,839 TWD 26,923
      • USN 2:25 PM
        32h
        2 stops
        UTH 8:25 PM
        Ulsan - Udon Thani | Tue, Dec 30 | Jin Air
        UTH 2:10 PM
        21h 35m
        2 stops
        USN 1:45 PM
        Udon Thani - Ulsan | Sun, Jan 4 | Thai Airways
        TWD 27,206
        28% OFF
        TWD 37,839 TWD 27,206
      • USN 2:25 PM
        32h
        2 stops
        UTH 8:25 PM
        Ulsan - Udon Thani | Tue, Dec 30 | Korean Air
        UTH 2:10 PM
        27h 30m
        2 stops
        USN 7:40 PM
        Udon Thani - Ulsan | Sun, Jan 4 | Thai Airways
        TWD 27,623
        27% OFF
        TWD 37,839 TWD 27,623
      • USN 1:00 PM
        17h 25m
        1 stop
        UTH Invalid Date
        Ulsan - Udon Thani | Sun, Dec 14 | Normal Airline
        UTH 3:00 PM
        6h
        Nonstop
        USN 4:00 PM
        Udon Thani - Ulsan | Tue, Dec 16 | Normal Airline
        Find More Flights
        Find More Flights
      • USN 2:25 PM
        32h
        2 stops
        UTH 8:25 PM
        Ulsan - Udon Thani | Sat, Dec 20 | Jin Air
        TWD 10,512 TWD 19,988
        47% OFF
        47% OFF
        TWD 19,988 TWD 10,512
      • USN 8:20 PM
        26h 5m
        2 stops
        UTH 8:25 PM
        Ulsan - Udon Thani | Sat, Dec 20 | Korean Air
        TWD 10,897 TWD 19,988
        45% OFF
        45% OFF
        TWD 19,988 TWD 10,897
      • USN 2:25 PM
        32h
        2 stops
        UTH 8:25 PM
        Ulsan - Udon Thani | Mon, Dec 29 | Jin Air
        TWD 13,900 TWD 19,988
        30% OFF
        30% OFF
        TWD 19,988 TWD 13,900
      • USN 2:25 PM
        32h
        2 stops
        UTH 8:25 PM
        Ulsan - Udon Thani | Mon, Dec 29 | Korean Air
        TWD 14,405
        28% OFF
        TWD 19,988 TWD 14,405
      • USN 2:25 PM
        32h
        2 stops
        UTH 8:25 PM
        Ulsan - Udon Thani | Thu, Dec 25 | Jin Air
        TWD 14,587
        27% OFF
        TWD 19,988 TWD 14,587
      • USN 9:30 AM
        25h
        2 stops
        UTH 8:30 AM
        Ulsan - Udon Thani | Thu, Dec 25 | Korean Air
        TWD 14,591
        27% OFF
        TWD 19,988 TWD 14,591
      • USN 1:00 PM
        17h 25m
        1 stop
        UTH Invalid Date
        Ulsan - Udon Thani | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight Info | Ulsan to Udon Thani

The distance between Ulsan and Udon Thani is approximately 3,310.38 km. Based on Trip.com's data travel demand peaks in December. The off-season for travel is August.

Cheapest one-way flight priceTWD 10,512
Cheapest round-trip ticket priceTWD 23,114
Off-season for travelAugust
Peak season for travelDecember
Flight distance3,310.38 km

When is the cheapest time to fly from Ulsan to Udon Thani?

The cheapest time for Ulsan to Udon Thani flights: Dec 14 to Dec 21 — one way flight prices from TWD 10,511.

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 Ulsan to Udon Thani, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Ulsan to Udon Thani (USN-UTH)?

    Based on Trip.com data, Jin Air offers one-way fares as low as TWD 10,512 on Cheapest nonstop routes (e.g. USN to UTH on Sat, Dec 20), while Korean Air offers Cheapest nonstop round-trips from TWD 23,114 departing on Sat, Dec 20 and returning on Fri, Dec 26.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Ulsan to Udon Thani 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 Ulsan to Udon Thani, 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 Sat, Dec 20, with one-way flights priced at just TWD 10,512.
    · 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 Udon Thani travel is around December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Ulsan to Udon Thani is August, when demand for travel is lower.
  • The time difference between Udon Thani and Ulsan is 2h.
  • Tickets can only be changed or canceled 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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