Madrid-Puerta de Atocha-Almudena Grandes to Lisbon Portela Airport (LIS) bus

FlixBus is one of Europe's leading low-cost bus companies, founded in Germany and offering long-distance bus services in Europe and the U. S. FlixBus also operates overnight buses on select routes throughout Europe. Standard amenities on FlixBus include free Wi-Fi, power outlets to charge your phone, tablet or laptop during long bus journeys, extra legroom, luggage space and toilets. You can even purchase snacks and drinks onboard. FlixBus offers only the Standard ticket for all its routes, which allows you to bring one carry-on luggage and one checked bag per person. Additional fees apply for extra luggage and specific seat reservations, such as if you want to book an Extra Seat, Table Seat or the Panorama Seat.

Alsa is the main bus company in Spain, a subsidiary of the UK bus company National Express. Alsa offers a wide variety of national and international routes and transports more than 300 million passengers every year. Apart from the Standard fare, Alsa provides ticket types like Minimum, Reduced and Flexible fares on select routes for those looking to save money on bus journeys. While most travelers don’t mind traveling on normal buses with basic services like bathrooms, free WiFi, footrests and onboard entertainment, some others may want to check out Alsa’s deluxe buses like the Alsa Supra, Alsa Eurobus and Alsa Premium, which provide more luxurious amenities on specific routes.