Donostia-San Sebastian EAS to Porto OPO flight with Iberia

Iberia is the national airline of Spain and a key member of the International Airlines Group (IAG), operating flights throughout Europe and to major global destinations. Its wide range of services makes travel easy and flexible—Economy passengers enjoy affordable fares with comfort, while Business Class travelers can experience premium seating, exclusive lounges, and enhanced dining. From short domestic flights to intercontinental journeys, Iberia combines Spanish hospitality with modern amenities, making it a popular choice worldwide.

Vueling is a Spanish low-cost airline and one of the largest carriers in Europe, offering affordable flights across Spain, Europe, North Africa, and the Middle East. Operating mainly from its hub in Barcelona, Vueling provides a modern fleet with flexible fare options to suit different types of travelers. Passengers can choose from basic low-cost tickets to fares that include extras such as seat selection, checked baggage, and priority boarding. With WiFi and onboard services available on many routes, Vueling is a popular choice for budget-conscious travelers.

Air Nostrum, operating as Iberia Regional, is a Spanish regional airline based in Valencia, founded in 1994. It functions as a franchisee for Iberia Airlines, connecting numerous domestic destinations within Spain and international routes across Europe and North Africa. Air Nostrum plays a crucial role in feeding Iberia's long-haul network from its Madrid hub. The airline is an affiliate member of the Oneworld airline alliance and operates 91 domestic and international routes to 51 destinations, along with charter flights. Its fleet includes CRJ 200 and CRJ 1000 jets, as well as ATR 72-600 turboprops. In 2023, Air Nostrum merged with CityJet, forming the Strategic Alliance of Regional Airlines (SARA).