Nice NCE to Bilbao BIO flight with Vueling

Lufthansa CityLine is a German regional airline and a wholly-owned subsidiary of Deutsche Lufthansa AG, operating as part of the Lufthansa Regional concept. Headquartered at Munich Airport, with hubs also at Frankfurt Airport, it operates a dense domestic and European network on behalf of its parent company. The airline primarily uses regional jets like the Bombardier CRJ900, along with Airbus A319s and A320neos, to connect smaller European cities to Lufthansa's major hubs. Lufthansa CityLine is known for its reliability in providing feeder traffic to Frankfurt and Munich.

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.

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.

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).

KLM Cityhopper is the regional airline subsidiary of KLM Royal Dutch Airlines, headquartered in Haarlemmermeer, Netherlands, and based at Amsterdam Airport Schiphol. Established in 1991 from the merger of NLM CityHopper and Netherlines, it operates scheduled European feeder services on behalf of KLM, connecting smaller cities and regional airports to KLM's main hub. As an affiliate of SkyTeam, KLM Cityhopper operates a fleet primarily consisting of Embraer E-Jet aircraft, including the Embraer 175, 190, and E195-E2 models. It serves numerous inter-European destinations, playing a vital role in KLM's regional and international network.