Cheapest month
Up to 65%The cheapest time to travel is June (THB 632.01); the most expensive is November (THB 1,043.64).
Khon Kaen to Samut Prakan Bus
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- Average duration 6h 37m
- Connections per day 20
- Distance 397 km
- CO₂ per person 35 kg
bus from Khon Kaen to Samut Prakan
The journey from Khon Kaen to Samut Prakan is about 397 km. On average a bus trip takes 6h 37m with 20 connections per day.
| Trip duration | 6h 37m |
|---|---|
| Connections per day | 20 |
| First departure | 12:30 AM |
| Last departure | 04:45 PM |
| Distance | 397 km |
| Departure | Khon Kaen |
| Arrival | Samut Prakan |
| Travel operator | Nakhonchai Air Nakhonchai Air |
When to book from Khon Kaen to Samut Prakan
These tips come from historical prices — how the average fare changes with how far ahead you book and the month you travel.
What historical fares show
Short takeaways based on median fares from Virail searches on this route — useful for seasonality and longer-run trends.
According to Virail’s historical fare data, June is typically the cheapest month to travel from Khon Kaen to Samut Prakan by bus, with medians around THB 632.01 versus about THB 1,043.64 in November (roughly a 65% swing).
Best month to book
Compare average prices by month and book when it suits you.
Carriers on this route
Learn more about carriers on this route.
Nakhonchai Air is a Thai airline that operates domestic flights within Thailand. The airline was founded in 2003 and is based in Nakhon Ratchasima, Thailand. Nakhonchai Air operates a fleet of ATR 72-500 and ATR 72-600 aircraft, which are known for their fuel efficiency and low noise levels. The airline offers flights to destinations such as Bangkok, Chiang Mai, Phuket, and Krabi. Nakhonchai Air is known for its affordable fares and reliable service, making it a popular choice for both business and leisure travelers in Thailand. The airline also offers a frequent flyer program called "NCA Smile Club" for its loyal customers.
CO₂ emissions by mode
train 27.79kg
bus 29.78kg
flight 79.4kg
carpool 63.52kg
FAQ
Khon Kaen and Samut Prakan are 397 km apart.
The journey from Khon Kaen to Samut Prakan takes about 6h 37m on average. The fastest option takes 5h 58m.
This route is served by 1 operators: Nakhonchai Air.
There are about 20 connections per day from Khon Kaen to Samut Prakan.
The first bus from Khon Kaen to Samut Prakan leaves at 12:30 AM. Check times on your travel date.
The last bus from Khon Kaen to Samut Prakan leaves at 04:45 PM. Check times on your travel date.
There are about 20 direct connections from Khon Kaen to Samut Prakan.
The shortest bus journey between Khon Kaen and Samut Prakan takes 5h 58m.
Yes, there is a direct bus between Khon Kaen and Samut Prakan.
The bus journey from Khon Kaen to Samut Prakan generates 35 kg of CO₂.
According to Virail’s historical fare data, June is typically the cheapest month, with medians around THB 632.01, while November is among the most expensive (about THB 1,043.64).