I might be at Rome, and wanted to travel to Barcelona. Is there any cheaper way other than flight? I've tried Euroline, but I have no idea how it works, can't check the timetable, how many hours to reach there and the cost.
Answer on The cheapest way to travel from Italy to Spain?
Much cheaper to fly with Ryanair. Did a check on the price (Mid April) and you can get one way from Rome (Ciampino) to Barcelona (Girona) for about 73€ inc luggage and CC fees. If you are flexible on dates you can do it cheaper. This is also cheaper than a train. The sooner you book with them the cheaper it is.
Easyjet also fly to Barcelona but from Milan. Cost form 39€ inc luggage and CC fees.
Obviously if you are to travel peak season in July and August it will cost more.
Also added a link to check prices on all airlines all routes in one search. Just enter in your departure city arrvial city and dates or whole month for cheapest deals. It works.