Portugal is a member state of the European Union and part of the Schengen area. Check your visa requirements for entering Schengen area with your passport on the offical website
There are no border crossing controls between Portugal and Spain, its only neighboring country.
In most cases, you will be required, and it’s highly recommended, to have a travel insurance.
Portugal’s air, sea, rail, and road network is well developed and connected to most major cities nearby and around the world.
Most major airlines and low-fare European airlines fly to and from Portugal, and between cities within the country. Go to our guide on how to find the absolute cheapest flight tickets.
Portugal has a long coastal line with several ports. Traveling from and to some destinations may be better on a ferry. Check out if it works better for you here.
With a decent network of railway stations and routes between cities within and outside of Portugal, you can sometimes find yourself to be better off traveling by train. Consider purchasing a Rail Pass, especially if you’d like to travel to other European destinations.
If you’re planning to drive in Portugal, in your own car or rented, you need to be aware that some roads require you to pay toll. There will be no toll gates, just the road signs with automatic charges. You should purchase such before traveling to avoid fines. More info on the official website portugaltolls.pt.