฿2,340 Find Cheap Flights from Udon Thani to Hat Yai – Compare and Save

Only Thai Lion Air operates flights between Udon Thani and Hat Yai.

Flights from Udon Thani to Hat Yai usually depart from Udon Thani (UTH) and arrive at Hat Yai (HDY).

Here are some options for this route, based on selected ticket types and cabin classes:

• Thai Lion Air: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Udon Thani to Hat Yai.

On this route, direct flights are cheaper than stopover options on average. Direct fares average ฿3,163 return, compared with ฿4,939 via a stopover through Bangkok Don Mueang Intl (DMK).

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿476–฿1,383 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

Connecting flights from Udon Thani to Hat Yai most commonly pass through:

• Bangkok Don Mueang Intl (DMK) – 60% of one-stop connections
• Bangkok Suvarnabhumi (BKK) – 40% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 63% on the Udon Thani to Hat Yai route. Monday is the cheapest departure day at ฿2,637 return on average, while Saturday is the most expensive at ฿7,053, a difference of ฿4,416. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Udon Thani to Hat Yai route, 3% of flights were delayed in the past 3 months, with delays averaging 1 hour 16 minutes.

Afternoon is the busiest departure period on Udon Thani to Hat Yai flights, with 100% leaving in that window. Morning departures account for 0%, Evening flights for 0%, and Night flights for 0%.

These are the earliest and latest flight times available from Udon Thani to Hat Yai:

• Earliest: departs at 16:25 and lands at 18:39
• Latest: departs at 16:30 and lands at 18:44.

The flight takes about 2h 14m.

A direct flight from Udon Thani to Hat Yai takes 2h 14m, covering 1,916 km.

No. A passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, return prices on this route varied from about ฿4,416 to ฿7,053. That means the highest observed fare was about 59% higher than the lowest one.

One-way fares from Udon Thani to Hat Yai are currently higher than usual. Average one-way flight prices are about ฿2,834, which is 10% above the typical average for this route.

Thai Lion Air is the only airline operating Udon Thani to Hat Yai flights. 97% of its flights are on time.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Bangkok Don Mueang Intl (DMK) gives the shortest average 1-stop total travel time of 5h 56m, compared to 8h 25m via Bangkok Suvarnabhumi (BKK).

Hat Yai Airport (HDY) hosts 5 major car hire companies, with daily rates starting from around ฿423 for economy cars. Top options include:
• Drive Car Rental
• Sixt
• ASAP Car Rentals
• Hertz
• Budget

Return flights from Udon Thani to Hat Yai range from ฿2,835 to ฿5,472, with an average of ฿3,532 over the past 12 months. Anything below ฿2,835 counts as a good deal.