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Flights from Ulsan to Udon Thani

Find the cheapest flight options from Ulsan to Udon Thani over the next three months. Book one-way tickets from €287 and round-trip tickets from €630.

      • USN 09:30
        25h
        2 stops
        UTH 08:30
        Ulsan - Udon Thani | Sat, Dec 20 | Korean Air
        UTH 08:40
        22h 10m
        2 stops
        USN 08:50
        Udon Thani - Ulsan | Fri, Dec 26 | Thai AirAsia
        €630 €1,030
        39% OFF
        39% OFF
        €1,030 €630
      • USN 14:25
        32h
        2 stops
        UTH 20:25
        Ulsan - Udon Thani | Mon, Dec 29 | Jin Air
        UTH 14:10
        21h 35m
        2 stops
        USN 13:45
        Udon Thani - Ulsan | Sun, Jan 4 | Thai Airways
        €722 €1,030
        30% OFF
        30% OFF
        €1,030 €722
      • USN 14:25
        32h
        2 stops
        UTH 20:25
        Ulsan - Udon Thani | Mon, Dec 29 | Korean Air
        UTH 14:10
        27h 30m
        2 stops
        USN 19:40
        Udon Thani - Ulsan | Sun, Jan 4 | Thai Airways
        €733 €1,030
        28% OFF
        28% OFF
        €1,030 €733
      • USN 14:25
        32h
        2 stops
        UTH 20:25
        Ulsan - Udon Thani | Tue, Dec 30 | Jin Air
        UTH 14:10
        21h 35m
        2 stops
        USN 13:45
        Udon Thani - Ulsan | Sun, Jan 4 | Thai Airways
        €741
        28% OFF
        €1,030 €741
      • USN 14:25
        32h
        2 stops
        UTH 20:25
        Ulsan - Udon Thani | Tue, Dec 30 | Korean Air
        UTH 14:10
        27h 30m
        2 stops
        USN 19:40
        Udon Thani - Ulsan | Sun, Jan 4 | Thai Airways
        €752
        27% OFF
        €1,030 €752
      • USN 13:00
        17h 25m
        1 stop
        UTH Invalid Date
        Ulsan - Udon Thani | Sun, Dec 14 | Normal Airline
        UTH 15:00
        6h
        Direct
        USN 16:00
        Udon Thani - Ulsan | Tue, Dec 16 | Normal Airline
        Find More Flights
        Find More Flights
      • USN 14:25
        32h
        2 stops
        UTH 20:25
        Ulsan - Udon Thani | Sat, Dec 20 | Jin Air
        €287 €545
        47% OFF
        47% OFF
        €545 €287
      • USN 20:20
        26h 5m
        2 stops
        UTH 20:25
        Ulsan - Udon Thani | Sat, Dec 20 | Korean Air
        €297 €545
        45% OFF
        45% OFF
        €545 €297
      • USN 14:25
        32h
        2 stops
        UTH 20:25
        Ulsan - Udon Thani | Mon, Dec 29 | Jin Air
        €379 €545
        30% OFF
        30% OFF
        €545 €379
      • USN 14:25
        32h
        2 stops
        UTH 20:25
        Ulsan - Udon Thani | Mon, Dec 29 | Korean Air
        €393
        28% OFF
        €545 €393
      • USN 14:25
        32h
        2 stops
        UTH 20:25
        Ulsan - Udon Thani | Thu, Dec 25 | Jin Air
        €398
        27% OFF
        €545 €398
      • USN 09:30
        25h
        2 stops
        UTH 08:30
        Ulsan - Udon Thani | Thu, Dec 25 | Korean Air
        €398
        27% OFF
        €545 €398
      • USN 13:00
        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 details for Ulsan to Udon Thani

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

Cheapest one-way flight price€287
Cheapest return ticket price€630
Off-season travel monthAugust
Peak season for travelDecember
Flight distance3,310.38km

Find the best 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 €286.

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.

Flight FAQs

  • Which airlines offer the cheapest flights from Ulsan (USN) to Udon Thani (UTH)?

    Based on Trip.com data, Jin Air offers one-way fares as low as €287 on Cheapest nonstop routes (e.g. USN to UTH on Sat, Dec 20), while Korean Air offers Cheapest nonstop round-trips from €630 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 €287.
    · 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 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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