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Flights from Udon Thani to Busan

Find the cheapest flight options from Udon Thani to Busan over the next three months. Book one-way tickets from US$175 and round-trip tickets from US$437.

      • UTH 20:00
        9h 55m
        1 stop
        PUS 07:55
        Udon Thani - Busan | Thu, Dec 25 | Thai AirAsia
        PUS 19:40
        25h 50m
        1 stop
        UTH 19:30
        Busan - Udon Thani | Sun, Dec 28 | Jin Air
        US$437 US$550
        21% OFF
        21% OFF
        US$550 US$437
      • UTH 13:15
        16h 40m
        1 stop
        PUS 07:55
        Udon Thani - Busan | Thu, Dec 25 | Nokair Airline
        PUS 19:40
        13h 25m
        1 stop
        UTH 07:05
        Busan - Udon Thani | Sun, Dec 28 | Jin Air
        US$439 US$550
        20% OFF
        20% OFF
        US$550 US$439
      • UTH 12:55
        17h
        1 stop
        PUS 07:55
        Udon Thani - Busan | Thu, Dec 25 | Thai Lion Air
        PUS 19:40
        26h 15m
        1 stop
        UTH 19:55
        Busan - Udon Thani | Sun, Dec 28 | Jin Air
        US$447 US$550
        19% OFF
        19% OFF
        US$550 US$447
      • UTH 08:40
        21h 55m
        1 stop
        PUS 08:35
        Udon Thani - Busan | Wed, Dec 24 | Thai AirAsia
        PUS 19:30
        26h
        1 stop
        UTH 19:30
        Busan - Udon Thani | Sun, Dec 28 | Jeju Air
        US$450
        18% OFF
        US$550 US$450
      • UTH 15:15
        15h 20m
        1 stop
        PUS 08:35
        Udon Thani - Busan | Wed, Dec 24 | Thai Lion Air
        PUS 19:30
        15h 30m
        1 stop
        UTH 09:00
        Busan - Udon Thani | Sun, Dec 28 | Jeju Air
        US$451
        18% OFF
        US$550 US$451
      • UTH 08:30
        22h 5m
        1 stop
        PUS 08:35
        Udon Thani - Busan | Wed, Dec 24 | Thai Airways
        PUS 19:30
        26h 55m
        1 stop
        UTH 20:25
        Busan - Udon Thani | Sun, Dec 28 | Jeju Air
        US$460
        16% OFF
        US$550 US$460
      • UTH 10:10
        19h 45m
        1 stop
        PUS 07:55
        Udon Thani - Busan | Thu, Dec 25 | Thai Vietjet Air
        PUS 19:40
        20h 45m
        1 stop
        UTH 14:25
        Busan - Udon Thani | Sun, Dec 28 | Jin Air
        US$468
        15% OFF
        US$550 US$468
      • UTH 08:30
        21h 25m
        1 stop
        PUS 07:55
        Udon Thani - Busan | Thu, Dec 25 | Thai Airways
        PUS 19:40
        14h 20m
        1 stop
        UTH 08:00
        Busan - Udon Thani | Sun, Dec 28 | Jin Air
        US$474
        14% OFF
        US$550 US$474
      • UTH 10:10
        20h 25m
        1 stop
        PUS 08:35
        Udon Thani - Busan | Wed, Dec 24 | Thai Vietjet Air
        PUS 19:30
        20h 55m
        1 stop
        UTH 14:25
        Busan - Udon Thani | Sun, Dec 28 | Jeju Air
        US$480
        13% OFF
        US$550 US$480
      • UTH 12:55
        17h 40m
        1 stop
        PUS 08:35
        Udon Thani - Busan | Mon, Dec 22 | Thai Lion Air
        PUS 19:30
        26h 25m
        1 stop
        UTH 19:55
        Busan - Udon Thani | Fri, Dec 26 | Jeju Air
        US$490
        11% OFF
        US$550 US$490
      • UTH 13:00
        17h 25m
        1 stop
        PUS Invalid Date
        Udon Thani - Busan | Fri, Dec 12 | Normal Airline
        PUS 15:00
        6h
        Direct
        UTH 16:00
        Busan - Udon Thani | Sun, Dec 14 | Normal Airline
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Displayed flight fares from Udon Thani to Busan are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Udon Thani to Busan

The distance between Udon Thani and Busan is 3,254.82 km. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight priceUS$175
Cheapest round-trip ticket priceUS$437
Off-season for travelSeptember
Peak season for travelJuly
Flight distance3,254.82 km

Find the best time to fly from Udon Thani to Busan

The cheapest time for Udon Thani to Busan flights: Jan 4 to Jan 11 — one way flight prices from US$169.

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

Flight FAQs

  • What are the cheapest flights from Udon Thani to Busan (UTH-PUS)?

    Based on Trip.com data, Thai AirAsia offers one-way fares as low as US$175 on Cheapest nonstop routes (e.g. UTH to PUS on Thu, Dec 11), while Thai AirAsia offers Cheapest nonstop round-trips from US$437 departing on Thu, Dec 25 and returning on Sun, Dec 28.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Udon Thani to Busan 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 Udon Thani to Busan, 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 Thu, Dec 11, with one-way flights priced at just US$175.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai AirAsia.
    · 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 Busan travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Udon Thani to Busan is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Udon Thani to Busan on December 15, 2025 with Nokair, with prices starting at $397.
  • The time difference between Busan and Udon Thani 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.