Udon Thani to Hat Yai runs about 3 times a day, with the first departure around 06:47 and the last around 07:30. One passenger pays between €54.63 and €103.39, every fee included, depending on the operator and the way you travel. The fastest door to door is 5h 7m over 1,202 km, on services run by 2 operators across 2 modes.
What one seat costs
The spread between the cheapest and dearest typical fare on this corridor, across 2 operators and 2 ways of making the journey. The operator sets the price on the day.
Typical fares
€54.63 to €103.39
- 152%Moves across the booking window
When it runs, leaving Udon Thani
No operator has filed a timetable for this direction yet, so the first and last departure below follow the pattern of the corridor. Read them as the shape of the service day rather than as times to turn up for.
- 06:47First departure
- 07:30Last departure
- 3Services per day
- 33%Run direct
Office of Transport and Traffic Policy and Planning runs this service and does not sell it here. Bookaway takes the payment.
Buying this journey
Bookaway lists departures for Udon Thani to Hat Yai on your date, and you pay on their side.
See Udon Thani to Hat Yai on Bookaway
Partner link. We do not sell this ticket, and we earn nothing from this one.
Fares by date
What this journey usually costs, by departure date. It shows which days run dearer.
Typical fares
- about €126.68Wed16
- about €151.98Thu17
- about €91.48Fri18
- about €125.58Sat19
- about €90.93Sun20
- about €101.38Mon21
- about €81.58Tue22
- about €86.53Wed23
- about €98.08Thu24
- about €87.63Fri25
- about €105.78Sat26
- about €84.33Sun27
- about €68.93Mon28
- about €63.98Tue29
- about €59.58Wed30
- about €74.98Thu1
- about €76.08Fri2
- about €61.23Sat3
- about €54.63Sun4
- about €61.78Mon5
- about €61.23Tue6
Based on what this route has cost recently. The operator sets the price on the day, and the live fare is confirmed when you book.
The flight gets you into Hat Yai. It does not get you a bed, and neither do we.
A room in Hat Yai for the night the flight gets in
Sort by distance from Hat Yai Junction railway station and you can see which places are ten minutes on foot and which are not.
Search Hat Yai on AgodaOr compare on Booking.com
Partner links. We do not sell accommodation. We earn a commission when a booking completes, and it never changes what you pay.
When to book Udon Thani to Hat Yai
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €58.4890 days
- €50.2360 days
- €66.7345 days
- €67.2830 days
- €61.2321 days
- €63.9814 days
- €81.587 days
- €91.483 days
- €126.681 days
- Cheapest lead time
- Fares bottom out around 60 days ahead, at €50.23.
- How much it moves
- The gap between the cheapest and dearest lead time is 152 percent. The dearest point is €126.68, 1 days out.
- What that means
- Today sits inside the cheap window, which closes about 60 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Book now Fares on this route are lowest around 60 days ahead. You are inside that window.
This corridor, specifically
Facts that apply to Udon Thani to Hat Yai and to no other route on the site.
Clocks
Both ends keep the same time, so the arrival is the departure plus the journey.
The shape of it
1,202 km
1,184 km as the crow flies, 2% further by the route services actually take. The bearing runs south.
Who lives at each end
130,531 → 191,696
Population at the departure city and at the arrival city, which is usually what decides how often anything runs.
How we know
2/4
2 of these connections were inferred from service-area overlap rather than observed in a timetable. We would rather say so.
The route
What the journey actually looks like
Direct or connecting, how far the route really runs, and what happens when a connection is missed.
- Direct or connecting
- 33% of the services we sell on this corridor run through without a change. The remaining 67% involve one connection.
- How far it really runs
- The route covers 1,202 km against 1,184 km in a straight line, a detour of 2 percent. Track and road geometry account for the difference.
- Where the change is
- Connections are made at Si Racha, Kabin Buri, Nong Chok, Chon Buri. The gap between arriving and leaving is 56 minutes, of which about 5 is walking.
- If the connection is missed
- The tightest connection we sell here has a 17 percent chance of not being made on the timetable alone. Part of this journey is a self transfer between separate tickets, so leave more time than the minimum and expect to check in again.
The fare from HDY into Hat Yai is the one price on this journey we cannot show you, because it is not ours.
A car waiting when you land in Hat Yai
Settled in advance, so the ride into Hat Yai costs what it said it would rather than what the rank says.
Book a transfer from HDY with Daytrip
Partner links. We do not operate transfers. We earn a commission on a booking, and the fare is the same as going direct.
Who runs this route
The flight gets in hours before any room is ready. Holding a bag is not what we sell.
Left luggage near Hat Yai Junction railway station
Most of the points near Hat Yai Junction railway station open before the first train and shut after the last one.
Check Hat Yai on StasherOr try Bounce
Partner links. We do not run these networks. We earn a commission on a booking, and the price is the same as going direct.
Questions about Udon Thani to Hat Yai
The questions people actually ask about this journey, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does it take to get from Udon Thani to Hat Yai?
The fastest journey from Udon Thani to Hat Yai takes 5h 7m door to door, of which 1h 59m is spent moving, on the flight. Most services take around 11h 12m, because that average includes slower stopping services and journeys with a connection. Times include reaching the terminal and leaving it at the far end.
How much does it cost to travel from Udon Thani to Hat Yai?
The cheapest fare from Udon Thani to Hat Yai is €54.63, as of 15 September 2026. A typical fare across the next three weeks is €118.32. Both figures are the total for one passenger, including taxes, supplier fees and our service fee, so nothing is added at checkout.
What is the cheapest way to get from Udon Thani to Hat Yai?
The cheapest way from Udon Thani to Hat Yai is by coach, at €63.98 for one passenger on 4 October 2026. That journey takes 16h 55m door to door. Cheaper is rarely faster on this corridor, and the comparison table on this page shows what each mode costs against what it saves.
What is the fastest way to get from Udon Thani to Hat Yai?
The fastest way from Udon Thani to Hat Yai is by flight, at 5h 9m door to door. Only 1h 59m of that is spent moving; the remaining 3h 10m is reaching the terminal and leaving it at the far end. The cheapest fare on that mode is €103.39.
When should I book Udon Thani to Hat Yai?
Fares from Udon Thani to Hat Yai bottom out around 60 days before departure, at €50.23. Across the whole booking window the gap between the cheapest and the dearest lead time is 152 percent, measured on 15 September 2026. Booking inside the last week has consistently cost more on this corridor.
Which day of the week is cheapest for Udon Thani to Hat Yai?
Tuesday is the cheapest day to depart from Udon Thani to Hat Yai, at €63.98. That is the median of 21 priced departure days across the next three weeks, as of 15 September 2026. Shifting a departure by one day is usually worth more than shifting the booking by one week.
Which month is cheapest for Udon Thani to Hat Yai?
February is the cheapest of the next 5 months to travel from Udon Thani to Hat Yai, at €54.63 for one passenger. Each month is priced on its fifteenth, so the comparison is like for like rather than a mix of weekends and midweek departures.
Who runs services from Udon Thani to Hat Yai?
2 operators sell services from Udon Thani to Hat Yai across 2 modes: Office of Transport and Traffic Policy and Planning, Thai Lion Air. Journey times, fares and fare conditions differ between them, and the operator table on this page compares all of them on speed, flexibility and what is provided on board.
Is there a direct service from Udon Thani to Hat Yai?
33 percent of the services we sell from Udon Thani to Hat Yai are direct. The rest connect at Si Racha, Kabin Buri, Nong Chok, Chon Buri, with about 56 minutes between the two services. Both legs are sold on one booking, so a missed connection is rebooked at no charge.
How much CO2 does the journey from Udon Thani to Hat Yai produce?
Travelling from Udon Thani to Hat Yai by coach produces about 32.0 kg of CO2 per passenger, the lowest of any mode on this corridor. The same journey by Flight produces about 300.1 kg, roughly 9 times as much for one passenger.
Which station or terminal do services from Udon Thani to Hat Yai use?
Services from Udon Thani to Hat Yai by flight leave from Udon Thani UTH and arrive at Hat Yai HDY. Allow about 3h 10m in total for reaching the departure terminal and leaving the arrival one, which is already included in every door to door time on this page.
Can I change or refund a ticket from Udon Thani to Hat Yai?
1 of the 2 operators we sell from Udon Thani to Hat Yai allow a change or a refund. A change on a changeable fare costs €5.00. The operator table on this page names which is which, and the condition is shown again before you pay.
Where these numbers come from
Places, coordinates, operators, which operator serves which pair, and every distance on this page are real and come from open data. Where a corridor has a filed timetable the departure times are real too, and ferry fares are the prices the operators publish themselves.
Observed service A carrier record shows this named operator serving this named pair, and we carry that through unchanged.
Where no operator publishes a fare for a corridor, the price here is our own estimate, worked out from the real distance and the real operator through a fare curve that follows lead time, day of the week and season. It tells you roughly what the journey costs. It is not a seat anyone has agreed to sell, and the payment step will not take it.
Defined in full at Door to door, Fares, The booking window, Carbon, Distances
- On this page
- Every figure above was computed for Udon Thani to Hat Yai on 15 September 2026: 1202 km of route against 1184 km in a straight line, 6 services a day, 2 operators a cheapest fare of €54.63, and 5h 7m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
The flight is the simple part. What you do once you are in Hat Yai is somebody else's catalogue.
Day trips out of Hat Yai and across Thailand
Day trips that leave Hat Yai in the morning and cover a good part of Thailand by evening.
See Hat Yai on KlookOr browse GetYourGuide
Partner links. We do not sell tours or tickets. We earn a commission on a booking, and it never changes the price.
The two ends, compared
Udon Thani reaches 38 places in 2 countries on services we hold, over distances from 52 to 1,184 km. Hat Yai reaches 35 places in 3 countries, from 42 to 1,320 km.
Other ways to make this journey
Leaving Udon Thani
- 38Places you can leave for
- 2Countries
- 8Operators
Arriving in Hat Yai
Leaving Hat Yai
- 35Places you can leave for
- 3Countries
- 10Operators