There is no one definitive answer to this question. However, there are a few things you can do to increase your chances of finding sponsors for your travel blog.
First, make sure your blog is well-written and interesting. This will attract sponsors who want to support a quality site.
Second, be sure to write about topics that are relevant to your audience. Sponsors want to support sites that are valuable to their readers.
Finally, be sure to build relationships with potential sponsors. Show them that you value their support and are committed to working together.