Search for blogs using travel related keywords.
Check the metrics of each site – such as Domain Authority, Alexa rank etc to shortlist good, authority blogs from other mediocre ones.
Then check if these shortlisted blogs accept guest post submissions and read their guidelines.
Then individually contact the blog owners asking permission to publish a guest post on their blog.
You can outsource the above steps to a trained and reliable worker or virtual assistant.
Alternatively you can also purchase guest post links from reputed service providers.
Another option is to check out the huge database inventory of blogs in different niches on our site to check if there are any you like. We have more than 50,000 blogs in our database.
For travel niche head over to – https://www.bigguestposting.com/niche/travel/59/guest-posting