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Flights from Koh Samui to Ubon Ratchathani

Airlines operating flights from Koh Samui to Ubon Ratchathani

Choose from 1 airlines flying from Koh Samui to Ubon Ratchathani, including Bangkok Airways, and . Bangkok Airways currently offers the cheapest ticket on this route.
Bangkok Airways logo Bangkok Airways

Find the cheapest flight options from Koh Samui to Ubon Ratchathani over the next three months. Book one-way tickets from PLN 535 and round-trip tickets from PLN 1,202.

      • 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
        PLN 1,202 PLN 2,100
        43% OFF
        43% OFF
        PLN 2,100 PLN 1,202
      • 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
        PLN 1,338 PLN 2,100
        36% OFF
        36% OFF
        PLN 2,100 PLN 1,338
      • 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
        PLN 1,709 PLN 2,100
        19% OFF
        19% OFF
        PLN 2,100 PLN 1,709
      • 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
        PLN 1,869
        11% OFF
        PLN 2,100 PLN 1,869
      • 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
        PLN 535 PLN 718
        26% OFF
        26% OFF
        PLN 718 PLN 535
      • USM 08:30
        25h 10m
        1 stop
        UBP 09:40
        Koh Samui - Ubon Ratchathani | Wed, Dec 17 | Bangkok Airways
        PLN 579 PLN 718
        19% OFF
        19% OFF
        PLN 718 PLN 579
      • USM 06:45
        24h 50m
        1 stop
        UBP 07:35
        Koh Samui - Ubon Ratchathani | Fri, Dec 19 | Bangkok Airways
        PLN 585 PLN 718
        19% OFF
        19% OFF
        PLN 718 PLN 585
      • USM 07:45
        8h
        1 stop
        UBP 15:45
        Koh Samui - Ubon Ratchathani | Mon, Dec 22 | Bangkok Airways
        PLN 586
        18% OFF
        PLN 718 PLN 586
      • USM 06:45
        13h 30m
        1 stop
        UBP 20:15
        Koh Samui - Ubon Ratchathani | Thu, Jan 22 | Bangkok Airways
        PLN 598
        17% OFF
        PLN 718 PLN 598
      • USM 07:15
        8h 30m
        1 stop
        UBP 15:45
        Koh Samui - Ubon Ratchathani | Wed, Dec 24 | Bangkok Airways
        PLN 604
        16% OFF
        PLN 718 PLN 604
      • USM 06:45
        6h 10m
        1 stop
        UBP 12:55
        Koh Samui - Ubon Ratchathani | Sat, Jan 31 | Bangkok Airways
        PLN 609
        15% OFF
        PLN 718 PLN 609
      • USM 06:45
        8h 20m
        1 stop
        UBP 15:05
        Koh Samui - Ubon Ratchathani | Sat, Dec 13 | Bangkok Airways
        PLN 618
        14% OFF
        PLN 718 PLN 618
      • USM 06:45
        6h 10m
        1 stop
        UBP 12:55
        Koh Samui - Ubon Ratchathani | Sun, Jan 25 | Bangkok Airways
        PLN 636
        11% OFF
        PLN 718 PLN 636
      • USM 06:45
        25h 55m
        1 stop
        UBP 08:40
        Koh Samui - Ubon Ratchathani | Tue, Jan 20 | Bangkok Airways
        PLN 639
        11% OFF
        PLN 718 PLN 639
      • 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.

Flight details for Koh Samui to Ubon Ratchathani

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

Cheapest one-way flight pricePLN 535
Cheapest round-trip ticket pricePLN 1,202
Off-season for travelOctober
Peak season for travelJuly
Flight distance821.11 km
Popular airlineBangkok Airways

Find the best 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 PLN 534.

Cheapest flights
From price
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  • 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 Koh Samui to Ubon Ratchathani, calculated over the upcoming 10 weeks.

Flight FAQs

  • 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 PLN 535 on Cheapest nonstop routes (e.g. USM to UBP on Wed, Dec 31), while Bangkok Airways offers Cheapest nonstop round-trips from PLN 1,202 departing on Sat, Jan 31 and returning on Sat, Feb 7.
  • At the moment, you can catch a nonstop flight from Koh Samui to Ubon Ratchathani with the following airlines, including: Bangkok Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • 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 PLN 535.
    · 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 31, 2025 with Bangkok Airways, with prices starting at PLN 534.
  • You can land at any one of the following hubs in Ubon Ratchathani, with Samui Airport to Ubon Ratchathani Airport (USM-UBP) is by far the most common option on this route: Ubon Ratchathani Airport (UBP).
  • 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.