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Cheap Flights from Koh Samui to Ubon Ratchathani

Explore the cheapest flights from Koh Samui to Ubon Ratchathani in the next three months. Based on Trip.com's data from the latest 7 days, one-way fares start at JPY 23,076, and round-trip tickets start at JPY 51,898.

      • USM 06:45
        9h 10m
        1 stop
        UBP 15:55
        Koh Samui - Ubon Ratchathani | Sat, Jan 31 | Bangkok Airways
        UBP 09:20
        10h 30m
        1 stop
        USM 19:50
        Ubon Ratchathani - Koh Samui | Sat, Feb 7 | Thai Lion Air
        JPY 51,898 JPY 90,671
        43% OFF
        43% OFF
        JPY 90,671 JPY 51,898
      • USM 06:45
        6h 10m
        1 stop
        UBP 12:55
        Koh Samui - Ubon Ratchathani | Sat, Jan 10 | Bangkok Airways
        UBP 20:45
        11h 20m
        1 stop
        USM 08:05
        Ubon Ratchathani - Koh Samui | Sat, Jan 17 | Thai AirAsia
        JPY 57,755 JPY 90,671
        36% OFF
        36% OFF
        JPY 90,671 JPY 57,755
      • USM 07:15
        25h 25m
        1 stop
        UBP 08:40
        Koh Samui - Ubon Ratchathani | Sun, Dec 28 | Bangkok Airways
        UBP 09:20
        9h 20m
        1 stop
        USM 18:40
        Ubon Ratchathani - Koh Samui | Thu, Jan 1 | Thai Lion Air
        JPY 73,775 JPY 90,671
        19% OFF
        19% OFF
        JPY 90,671 JPY 73,775
      • USM 07:15
        8h 40m
        1 stop
        UBP 15:55
        Koh Samui - Ubon Ratchathani | Tue, Dec 30 | Bangkok Airways
        UBP 09:20
        11h 5m
        1 stop
        USM 20:25
        Ubon Ratchathani - Koh Samui | Wed, Dec 31 | Thai Lion Air
        JPY 80,697
        11% OFF
        JPY 90,671 JPY 80,697
      • USM 13:00
        17h 25m
        1 stop
        UBP Invalid Date
        Koh Samui - Ubon Ratchathani | Fri, Dec 12 | Normal Airline
        UBP 15:00
        6h
        Direct
        USM 16:00
        Ubon Ratchathani - Koh Samui | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights
      • USM 13:30
        20h 10m
        1 stop
        UBP 09:40
        Koh Samui - Ubon Ratchathani | Wed, Dec 31 | Bangkok Airways
        JPY 23,076 JPY 30,839
        25% OFF
        25% OFF
        JPY 30,839 JPY 23,076
      • USM 08:30
        25h 10m
        1 stop
        UBP 09:40
        Koh Samui - Ubon Ratchathani | Wed, Dec 17 | Bangkok Airways
        JPY 24,962 JPY 30,839
        19% OFF
        19% OFF
        JPY 30,839 JPY 24,962
      • USM 06:45
        24h 50m
        1 stop
        UBP 07:35
        Koh Samui - Ubon Ratchathani | Fri, Dec 19 | Bangkok Airways
        JPY 25,228 JPY 30,839
        18% OFF
        18% OFF
        JPY 30,839 JPY 25,228
      • USM 07:45
        8h
        1 stop
        UBP 15:45
        Koh Samui - Ubon Ratchathani | Mon, Dec 22 | Bangkok Airways
        JPY 25,294
        18% OFF
        JPY 30,839 JPY 25,294
      • USM 06:45
        13h 30m
        1 stop
        UBP 20:15
        Koh Samui - Ubon Ratchathani | Thu, Jan 22 | Bangkok Airways
        JPY 25,805
        16% OFF
        JPY 30,839 JPY 25,805
      • USM 07:15
        8h 30m
        1 stop
        UBP 15:45
        Koh Samui - Ubon Ratchathani | Wed, Dec 24 | Bangkok Airways
        JPY 26,049
        16% OFF
        JPY 30,839 JPY 26,049
      • USM 06:45
        6h 10m
        1 stop
        UBP 12:55
        Koh Samui - Ubon Ratchathani | Sat, Jan 31 | Bangkok Airways
        JPY 26,293
        15% OFF
        JPY 30,839 JPY 26,293
      • USM 06:45
        8h 20m
        1 stop
        UBP 15:05
        Koh Samui - Ubon Ratchathani | Sat, Dec 13 | Bangkok Airways
        JPY 26,670
        14% OFF
        JPY 30,839 JPY 26,670
      • USM 06:45
        14h 15m
        1 stop
        UBP 21:00
        Koh Samui - Ubon Ratchathani | Wed, Jan 21 | Bangkok Airways
        JPY 27,380
        11% OFF
        JPY 30,839 JPY 27,380
      • USM 06:45
        6h 10m
        1 stop
        UBP 12:55
        Koh Samui - Ubon Ratchathani | Sun, Jan 25 | Bangkok Airways
        JPY 27,447
        11% OFF
        JPY 30,839 JPY 27,447
      • USM 13:00
        17h 25m
        1 stop
        UBP Invalid Date
        Koh Samui - Ubon Ratchathani | Fri, Dec 12 | Normal Airline
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Koh Samui to Ubon Ratchathani

The distance between Koh Samui and Ubon Ratchathani is approximately 821.11km. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceJPY 23,076
Cheapest return ticket priceJPY 51,898
Off-season for travelOctober
Peak season for travelJuly
Flight distance821.11km

Cheapest time to fly from Koh Samui to Ubon Ratchathani

The cheapest time for Koh Samui to Ubon Ratchathani flights: Dec 28 to Jan 4 — one way flight prices from JPY 23,075.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Koh Samui (USM) to Ubon Ratchathani (UBP)?

    Based on Trip.com data, Bangkok Airways offers one-way fares as low as JPY 23,076 on Cheapest nonstop routes (e.g. USM to UBP on Wed, Dec 31), while Bangkok Airways offers Cheapest nonstop round-trips from JPY 51,898 departing on Sat, Jan 31 and returning on Sat, Feb 7.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Koh Samui to Ubon Ratchathani 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 Koh Samui to Ubon Ratchathani, 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 Wed, Dec 31, with one-way flights priced at just JPY 23,076.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Bangkok Airways.
    · 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 Ubon Ratchathani travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Koh Samui to Ubon Ratchathani is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Koh Samui to Ubon Ratchathani on December 28, 2025 with Bangkok Airways, with prices starting at JPY 73,774.
  • The time difference between Ubon Ratchathani and Koh Samui is 0h.
  • 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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