A non-stop flight is the most convenient and comfortable way to fly from Koh Samui to Udon Thani, despite the fact that sometimes flights with transfers can cost significantly less.
Schedule of direct flights from Koh Samui to Udon Thani
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Koh Samui to Udon Thani:
Koh Samui airports overview
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Udon Thani airports overview
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Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from Koh Samui to Udon Thani
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Alternative routes
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Looking for cheap flights from Koh Samui to Udon Thani? Your search ends here! Our air ticket search website offers the best deals on this popular domestic route within Thailand. Skip the hassle of searching multiple websites, as we bring you all the options in one place.
Escape the idyllic beaches of Koh Samui and explore the vibrant city of Udon Thani without breaking the bank. Discover its ancient temples, bustling markets, and friendly locals. Whether you're traveling for business or leisure, we have budget-friendly flights that suit your schedule.
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Cheapest one way flight
$150
Bangkok Airways
1 layover
12h 40m
02/02/2026
The cheapest one-way flight from Koh Samui to Udon Thani departs on 02/02/2026, is operated by Bangkok Airways and costs $150
Cheapest round trip flight
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There is no information about the cheapest roundtrip flight from Koh Samui to Udon Thani
The fastest flight
12h 40m
Fastest flight from Koh Samui to Udon Thani takes 12h 40m
Direct flights
No direct flights
There are no direct flights on this route.
Distance
918km
Timezone difference
0h
The distance between Koh Samui and Udon Thani is 918km (569 miles). Koh Samui and Udon Thani are in the same time zone
The route Koh Samui — Udon Thani is served by a single airline — Bangkok Airways. This means that when planning your trip, you won’t need to spend time choosing between dozens of carriers: all flights are operated by one provider, which simplifies the booking process. Despite the limited choice, passengers can still plan ahead, select optimal departure dates, and buy tickets at the lowest price — from $150. Using our service, you can quickly compare available Bangkok Airways flights and book a seat in advance at a favorable rate.
There appear to be no non-stop flights from Koh Samui to Udon Thani at this time.... Well, or something went wrong on our side and we couldn't find anything
Unable to find information about the schedule of direct flights from
Flights from Koh Samui to Udon Thani from $150 – Compare Airfares | Flaut.Travel
February 2026
Lowest price
on average:
$150
Avg Price
We couldn't find any special offers for flights from Koh Samui to Udon Thani
What is the cheapest price for flights from Koh Samui to Udon Thani?
The cheapest flight ticket from Koh Samui to Udon Thani according to data for the last 48 hours costs $150
When is the best time to buy air tickets on the route Koh Samui — Udon Thani?
Often the best time to buy tickets from Koh Samui to Udon Thani is 2 months before departure.
When is the cheapest time of year to fly from Koh Samui to Udon Thani?
Based on statistics over the past years, the lowest prices for flights from Koh Samui to Udon Thani can be found flying in these months: February.
How long does it take to fly from Koh Samui to Udon Thani?
The fastest flights from Koh Samui to Udon Thani start from 12 hours 40 minutes in the air.
Which airline can fly direct from Koh Samui to Udon Thani?
The following airlines operate direct flights on the route Koh Samui — Udon Thani:
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Koh Samui to Udon Thani
