How long and how much does it cost to take a taxi from Vientiane to Udon Airport?

Traveling from the Thai Friendship Bridge to Udon Thani Airport typically takes about 1 to 1.5 hours by taxi, covering a distance of around 61 kilometers. The cost for a taxi ride is generally quoted between 700 to 1,500 Baht, depending on negotiation and specific taxi services. Alternative transport options, including minibus services, were also mentioned in the comments.