You can pick up a pint of local beer for around €2.50 (approx $3.80) but in the centre of Madrid and Barcelona it can be more. Want to try the local tipple? Go for a jug of Sangria, which can be as little as €10 (approx $15.30).
Go for a tasty tapas lunch or a Spanish omelette for lunch and it'll usually set you back about €5 or less (approx $7.60). A meal out in the evening can cost anywhere from €10+ (approx $15.30).
The price of transport across Spain differs depending on where you are, but on average a one-way ticket on local transport is around €1.50 (approx $2.30). Taxi's from the main airports into the cities usually cost between €15-€20. It's very easy to get around Spain.
Taxi tariffs in Spain are also pretty low - starting at around €5 (approx $7.65) with around €1.50 added for every extra km (approx $2.30). Be sure to use licensed taxis on your way home after late nights in the main cities.
Looking for an inexpensive dorm room so you can spend your money on the rest of the adventure? They start from €15 per night (approx $22). The price of hostels and hotels rises and falls depending on the season, so expect higher rates during summer, especially on islands like Ibiza.
Don't feel like 'slumming it'? You can splash out on a private hotel room for around €30 per person, per night (approx $45).