Air CambodiaDepart10:15
Tue, Nov 10KOS → UBP
3h 30m · 2 stops
$256one way, per person
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- Cheapest fare
- $256
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 30m
Air Cambodia · Tue, Nov 10
from $256
Usually 1+ stop
530 km
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Cheapest month to fly from Sihanoukville to Ubon Ratchathani
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
Air CambodiaPlan the rest of your trip to Ubon Ratchathani
Where to stay, what to do and getting around, from our travel partners.
Getting around
About flights from Sihanoukville to Ubon Ratchathani
Sihanoukville (KOS) and Ubon Ratchathani (UBP) are about 530 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 30m. Over the next few months, one-way fares start from $256, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Sihanoukville to Ubon Ratchathani?
The cheapest one-way fare we've seen recently is $256 with Air Cambodia, departing Tuesday, November 10, 2026.
What is the cheapest month to fly from Sihanoukville to Ubon Ratchathani?
November 2026 currently has the lowest fares, from $256 one way.
Are there direct flights from Sihanoukville to Ubon Ratchathani?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Sihanoukville to Ubon Ratchathani?
The quickest journey we've seen takes about 3h 30m. Sihanoukville and Ubon Ratchathani are around 530 km apart.
Which airlines fly from Sihanoukville to Ubon Ratchathani?
Recent fares on this route were with Air Cambodia.
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