Will my white label travel portal show up on Google when people search for holidays?

Yes, your portal can appear on Google, but it will not happen the moment you go live, and it is not something the portal does by itself. A search engine has to find your site, read it, and then decide it is worth showing to someone. That usually takes a few weeks after launch, and a good deal longer for the popular search terms that large travel websites have held for years.

Most of what helps is in your hands. Use your own web address rather than a shared one, give every page a clear title and a short description written in plain words, and put real text on the site about the destinations, the trips and the services you actually sell. The pages that a customer reaches by running a search on your portal are usually not the ones that bring new visitors in, because their content changes with every search. The pages that do that work are the ones you write and keep, such as your home page, your destination pages and anything you publish from your own knowledge of a place.

How much of this you can edit yourself depends on your plan and on how your portal has been set up. Some setups let you add and edit pages and page titles freely, others give you a fixed set of pages and only let you change the wording inside them, so it is worth finding out which one you have before you plan any work around this.

A sensible first step is to connect your portal to a free Google Search Console account once you are live, so you can see which of your pages have been found and which searches are already sending people to you, then add or improve pages from there.