Porto to Humberto Delgado Airport bus with FlixBus

FlixBus is one of Europe’s leading low-cost bus companies, founded in Germany and now offering long-distance services across Europe and the United States. In addition to its extensive daytime network, FlixBus also operates overnight buses on select European routes. Standard amenities include free Wi-Fi, power outlets to charge devices, extra legroom, luggage space, and onboard toilets, with snacks and drinks available for purchase. FlixBus offers a single Standard ticket type for all routes, which includes one carry-on bag and one checked bag per passenger. Additional fees apply for extra luggage and for reserving specific seats, such as Extra Seats, Table Seats, or Panorama Seats. This combination of affordability, comfort, and wide coverage makes FlixBus a popular choice for budget-conscious travelers.

Infobus is an international IT company that operates as an online service for finding and purchasing bus, train, and plane tickets, rather than being a bus company itself. Established in 2002, Infobus acts as an intermediary between passengers and various transport carriers, particularly helping smaller bus companies offer online booking services. They utilize their own \BusSystem\" to manage routes and ticket sales globally. Infobus covers over 30 countries and 300 cities, offering a wide range of routes and daily departures. While amenities can vary by carrier, Infobus aims to provide affordable and convenient travel with features like online booking, 24/7 support, and prompt notifications."

Citi Express is a bus company that offers express services connecting major Portuguese cities like Lisbon, Porto, Braga, and Guimarães to inland areas. They focus on providing quick, efficient, and high-quality travel with an emphasis on comfort. Citi Express is a brand under Transdev, a mobility company. It is important to note that there are other companies with similar names, such as \City Express\" in Malaysia, which has over 30 years of experience and a large fleet of buses, and \"City Express\" courier services in Canada and the US. There's also a \"CityExpress!\" bus route in Honolulu, and \"Melbourne City Express\" by SkyBus for airport transfers in Australia. Additionally, \"Citibus\" is the public transportation provider for Lubbock, Texas."

BlaBlaCar Bus (formerly known as Ouibus or iDBUS) is a long-distance coach company operating in 10 European countries and connecting over 300 destinations. A subsidiary of the French carpooling company BlaBlaCar, it offers comfortable travel with standard amenities such as air conditioning, toilets, USB and power outlets for charging devices, extra legroom, and adjustable seats. Free Wi-Fi is available on select routes. BlaBlaCar Bus offers only a Standard ticket type, which allows passengers to bring one carry-on bag and up to two checked bags per person.

Rede Expressos is a leading bus company in Portugal, providing reliable and comfortable transportation services to passengers including buses #[+journey]. It operates a fleet of modern buses, ranging from luxury coaches to double-deckers, all equipped with air conditioning, reclining seats, and free Wi-Fi. The company offers a variety of ticket types, including single tickets, return tickets, and multi-trip tickets. It also offers discounts for students, seniors, and children. Rede Expressos operates services to and from major cities and towns in Portugal, including Lisbon, Porto, Faro, and Coimbra. It also offers international routes to Spain, France, and Germany. The company operates 24 hours a day, 7 days a week, with departures every hour. It is one of the most popular bus companies in Portugal, offering convenient and affordable transportation services to passengers.

BlaBlaCar is a French online marketplace for carpooling, connecting drivers with empty seats and passengers traveling to the same destination to share costs. Founded in 2006, it operates in Europe and Latin America, boasting 26 million active members. The platform also includes BlaBlaCar Bus, an intercity bus service. BlaBlaCar's name comes from its rating system for drivers' chattiness: \Bla\" for quiet, \"BlaBla\" for talkative, and \"BlaBlaBla\" for very chatty. The company aims to be the leading marketplace for shared travel, offering affordable and sustainable solutions by combining carpooling with bus journeys."