How to bring more traffic to my website?

[Jake]

It takes money to make money, that goes double for a 3 week old site, you should look into the various advertising methods out there, one highly respected training course that covers advertising methods from self serve Facebook ads to massive media buys, is Traffic Blackbook II which can be found on udemy.com.

Some advertising studies have found it can take up to 7 exposures to a brand or product name before people trust it enough to buy. A service like your is one that has to the trusted by the users. A branding campaign, just to get the name out there may be essential, ad-retargeting is that internet advertising method that can reach out to countless sites on the internet to repeat your message to people after they have visited your site once. Retargeter.com, perfectaudience.com, adroll.com are examples of those services that can help you make those 7 exposures to prospects.
Bear in mind some of the mega successful sites like Facebook and Youtube operated at a loss for years, funded by investors before establishing themselves, larger ecommerce sites may break even when securing the first sale to a new customer through paid advertising, knowing they will profit from later sales, breaking even may be a reasonable first goal.

Adding lots of original quality travel related articles can help you gain search engine ranking and "free" traffic, as part of an ongoing SE campaign.

Here's a Search Engine Optimization primer by an SEO authority, too much of the stuff taught by others is out of date or simply inaccurate.
http://www.seomoz.org/beginners-guide-to-seo