฿1,091 Find Cheap Flights from Bangkok to Khon Kaen – Compare and Save

Among airlines operating Bangkok to Khon Kaen flights:

• Thai Airways: offers free seat selection
• Thai AirAsia: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

4 airlines operate flights between Bangkok and Khon Kaen. The airlines offering direct flights on this route include:

• Thai AirAsia
• Thai Airways
• Thai Lion Air
• Thai Vietjet Air

Flights from Bangkok to Khon Kaen may depart from several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK). Flights usually arrive at Khon Kaen (KKC).

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

• Thai Airways: a cabin bag and a checked bag in Economy class
• Thai Vietjet Air: a cabin bag and a checked bag in Economy class
• Thai AirAsia: 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.

Two cabin classes are available on flights from Bangkok to Khon Kaen:

• Economy class
• Business Class

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿417–฿2,407 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

Yes. Being flexible with your travel dates can save you up to 22% on the Bangkok to Khon Kaen route. Thursday is the cheapest departure day at ฿2,049 return on average, while Sunday is the most expensive at ฿2,611, a difference of ฿562. 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 Bangkok to Khon Kaen route, 16% of flights were delayed in the past 3 months, with delays averaging 1 hour 17 minutes.

Morning is the busiest departure period on Bangkok to Khon Kaen flights, with 44% leaving in that window. Afternoon departures account for 31%, Evening flights for 25%, and Night flights for 0%.

These are the earliest and latest flight times available from Bangkok to Khon Kaen:

• Earliest: departs at 06:55 and lands at 08:00
• Latest: departs at 19:25 and lands at 20:30.

The flight takes about 1h 05m.

Last-minute fares on this route (booked within 2 weeks of departure) run 7% above the route average of ฿2,157. Book 10 weeks before departure for the lowest fares.

A direct flight from Bangkok to Khon Kaen takes 1h 05m, covering 621 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 flight prices on this route showed a wide range, from about ฿2,016 to ฿19,906. That means the highest observed fare was about 10x higher than the lowest one.

One-way fares from Bangkok to Khon Kaen are currently higher than usual. Average one-way flight prices are about ฿1,530, which is 6% above the typical average for this route.

Thai AirAsia is slightly above the route average for timely arrivals, while Thai Lion Air has a lower on-time arrival rate. On-time arrival rates on Bangkok to Khon Kaen flights are:

• Thai AirAsia: 86% on time
• Thai Lion Air: 86% on time
• Thai Airways: 83% on time

On average, flights on this route are punctual 84% of the time.

Morning 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.

Khon Kaen Airport (KKC) hosts 5 major car hire companies, with daily rates starting from around ฿432 for economy cars. Top options include:
• Alamo
• Drive Car Rental
• THAIRENTACAR
• Sixt
• Enterprise Rent-A-Car

Return flights from Bangkok to Khon Kaen range from ฿1,775 to ฿2,816, with an average of ฿2,157 over the past 12 months. Anything below ฿1,775 counts as a good deal.