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Flights from Koh Samui to Ubon Ratchathani

Cheapest airlines flights from Koh Samui to Ubon Ratchathani

You can pick from 1 carriers that fly from Koh Samui to Ubon Ratchathani including Bangkok Airways, , , with Bangkok Airways serving cheapest ticket on this route.
Bangkok Airways logo Bangkok Airways

Search cheap flights from Koh Samui to Ubon Ratchathani in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at €127, and round-trip tickets start at €285.

      • 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
        €285 €498
        43% OFF
        43% OFF
        €498 €285
      • 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
        €317 €498
        36% OFF
        36% OFF
        €498 €317
      • 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
        €405 €498
        19% OFF
        19% OFF
        €498 €405
      • 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
        €443
        11% OFF
        €498 €443
      • USM 13:00
        17h 25m
        1 stop
        UBP Invalid Date
        Koh Samui - Ubon Ratchathani | Fri, Dec 12 | Normal Airline
        UBP 15:00
        6h
        Nonstop
        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
        €127 €170
        25% OFF
        25% OFF
        €170 €127
      • USM 08:30
        25h 10m
        1 stop
        UBP 09:40
        Koh Samui - Ubon Ratchathani | Wed, Dec 17 | Bangkok Airways
        €137 €170
        19% OFF
        19% OFF
        €170 €137
      • USM 06:45
        24h 50m
        1 stop
        UBP 07:35
        Koh Samui - Ubon Ratchathani | Fri, Dec 19 | Bangkok Airways
        €139 €170
        18% OFF
        18% OFF
        €170 €139
      • USM 07:45
        8h
        1 stop
        UBP 15:45
        Koh Samui - Ubon Ratchathani | Mon, Dec 22 | Bangkok Airways
        €139
        18% OFF
        €170 €139
      • USM 06:45
        13h 30m
        1 stop
        UBP 20:15
        Koh Samui - Ubon Ratchathani | Thu, Jan 22 | Bangkok Airways
        €142
        16% OFF
        €170 €142
      • USM 07:15
        8h 30m
        1 stop
        UBP 15:45
        Koh Samui - Ubon Ratchathani | Wed, Dec 24 | Bangkok Airways
        €143
        16% OFF
        €170 €143
      • USM 06:45
        6h 10m
        1 stop
        UBP 12:55
        Koh Samui - Ubon Ratchathani | Sat, Jan 31 | Bangkok Airways
        €145
        15% OFF
        €170 €145
      • USM 06:45
        8h 20m
        1 stop
        UBP 15:05
        Koh Samui - Ubon Ratchathani | Sat, Dec 13 | Bangkok Airways
        €147
        14% OFF
        €170 €147
      • USM 06:45
        14h 15m
        1 stop
        UBP 21:00
        Koh Samui - Ubon Ratchathani | Wed, Jan 21 | Bangkok Airways
        €151
        11% OFF
        €170 €151
      • USM 06:45
        6h 10m
        1 stop
        UBP 12:55
        Koh Samui - Ubon Ratchathani | Sun, Jan 25 | Bangkok Airways
        €151
        11% OFF
        €170 €151
      • 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

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

Koh Samui to Ubon Ratchathani Flight Details

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

Cheapest one-way flight price€127
Cheapest return ticket price€285
Cheapest monthOctober
Peak season for travelJuly
Flight distance821.11 km
Popular airlineBangkok Airways

When is the cheapest time to book flights from Koh Samui to Ubon Ratchathani?

The cheapest time to fly from Koh Samui to Ubon Ratchathani: Dec 28 to Jan 4 — one-way prices start at €126.

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 cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Koh Samui to Ubon Ratchathani (USM-UBP)?

    Based on Trip.com data, Bangkok Airways offers one-way fares as low as €127 on Cheapest nonstop routes (e.g. USM to UBP on Wed, Dec 31), while Bangkok Airways offers Cheapest nonstop round-trips from €285 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 €127.
    · 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 €404.
  • The time difference between Ubon Ratchathani and Koh Samui is 0h.
  • 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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