Lille, Hauts-de-France to Barcelona, Catalonia from $526: 10 ways by bus, train, flight or car

• On your train from Lille to Barcelona, you will likely be traveling with either SNCF (French National Railway) or Renfe (Spanish National Railway). Both operators offer onboard catering services in different classes. In First Class (1ère Classe on SNCF), you can enjoy complimentary meals and beverages served at your seat. In Business Class on Renfe, you can expect a more gourmet meal selection and complimentary refreshments. In Economy class, you may need to purchase snacks and drinks from the onboard café bar, and it's a good idea to check their menu ahead of time on the operators' websites.

• The train service offers a variety of seating options. First Class (Première Classe with SNCF) provides wider seats and more legroom, along with additional perks like a quieter environment. Business Class on Renfe similarly ensures a comfortable experience with priority boarding. Economy class offers standard seating at a more budget-friendly price. It's recommended to book in advance, especially for First or Business Class, as they can sell out quickly. For booking information, visit the following websites: SNCF - ">">sncf.com and Renfe - ">">renfe.com

• Upon arriving at Barcelona Sants station, expect a busy environment but a well-signposted layout. You can leave your luggage at the station in automated lockers that are available, costing around €4 to €6 depending on the size. Restrooms are available in the station, but showers are not provided. To navigate seamlessly, follow the signs to the exits, and if you need help, the information desks can assist. For a quick and efficient transfer to the city center, take Metro Line 5 (Green Line) directly from Sants station to Diagonal station, which takes around 15 minutes. Alternatively, the Aerobus service runs frequently and connects to key points in the city, costing around €5.90. Check out bus services at Barcelona Public Transport for schedules.

• Arrive at Lille station early and get familiar with the BlaBlaCar Bus platform, as bus platforms can change, and a little extra time will help you locate your bus without stress.

• During your 16h 35m journey, pack some snacks and download entertainment on your device, as the bus may have limited amenities; local shops on your route can be found at Google Maps before departure.

• Upon arrival at Estación de Autobuses Barcelona Nord, follow the signs for 'Metro' to access Line 1 (Red Line), which will take you directly to the city center; also, there are plenty of cafes nearby if you want to grab a quick bite before continuing your journey.