The cheapest and quickest way to travel from Nong Khai to Udon Thani Airport is to take a direct minivan service from Nong Khai town centre to Udon Thani Airport. You could travel by train but it ends up costing more because from Udon Thani Railway Station it is a further 6.4 km to Udon Thani Airport, a journey for which a local taxi or tuk-tuk driver will charge you at least 100 to 150 THB.
Bus times from Nong Khai to Udon Thani Airport
There are currently 6 services a day from Nong Khai to Udon Thani International Airport available to book online.
| Nong Khai | Udon Thani Airport | Ticket Price | Company |
| 09:00 | 10:00 | ฿ 250 | Udon Kaew Tour |
| 10:00 | 11:00 | ฿ 250 | Udon Kaew Tour |
| 11:30 | 12:30 | ฿ 250 | Udon Kaew Tour |
| 13:00 | 14:00 | ฿ 250 | Udon Kaew Tour |
| 14:30 | 15:30 | ฿ 250 | Udon Kaew Tour |
| 17:00 | 18:00 | ฿ 250 | Udon Kaew Tour |
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Udon Thani Bus StationAbout travel via Nong Khai from Laos to Udon Thani Airport
Rather than fly direct from Vientiane to Bangkok it is a lot cheaper to cross the border into Thailand overland and then fly from Udon Thani Airport to Bangkok. The cheapest way to travel from Vientiane to the border with Thailand is to take a public bus from Vientiane Central Bus Station to the border crossing at the Thai-Lao Friendship Bridge. The bus you need to take is Bus #14 which departs every 15 minutes from 05:50 to 17:35 with a final service at 18:00. The journey takes around 1 hours and tickets, which you buy on the bus, cost 8,000 Lao Kip one way.
Location of the Nong Khai town minivan stop:
When you have cleared immigration to leave Laos you need to take a shuttle bus from outside the Laos Immigration Building across the bridge to the Thai Immigration Building. Once you enter Thailand you then need to take a tuk-tuk to the minivan station in the centre of Nong Khai. Tuk-tuks wait at the entrance to the Thai Immigration complex. Expect to pay 80 to 100 THB for the tuk-tuk ride into Nong Khai town. The destination you need to tell the driver is the Udon Kaew (pronounced ‘udon kay-o’) office on the Mittraphap Road, which is the main road running through the centre of Nong Khai town.
Location of Udon Thani International Airport:
The journey from Nong Khai to Udon Thani Airport is fairly quick. It takes under 1 hour to travel 58.5 km by road from Nong Khai town centre to Udon Thani Airport. This service drops passengers off right in front of the entrance to the main terminal building at Udon Thai Airport.