Reykjavik Keflavik International Airport KEF to Barcelona BCN flight with Sas Airways

SAS, or Scandinavian Airlines, is the national airline of Denmark, Norway, and Sweden, headquartered in Solna, Sweden. Founded in 1946, it emerged from a merger of the three countries' national carriers to handle transatlantic operations. SAS operates extensive regional services within Scandinavia and Europe, as well as international flights to Asia and North America, with primary hubs in Copenhagen, Stockholm, and Oslo. As of July 2024, SAS, including its subsidiaries SAS Link and SAS Connect, operates a fleet of 133 aircraft to 130 destinations. SAS joined SkyTeam on September 1, 2024, after leaving Star Alliance.

British Airways (BA) is the United Kingdom’s flag carrier airline with headquarters in London near its main hub at London Heathrow Airport (LHR). BA is the second largest UK-based airline in terms of fleet size and number of passengers carried. Known as a full-service global airline, British Airways offers year-round low fares to destinations worldwide and flies to and from centrally-located airports. Its extensive global route network includes more than 170 destinations in nearly 80 countries throughout Europe, North America, South America, Asia, Africa and Australia. syn p British Airways (BA) is the flag carrier airline of the United Kingdom with its headquarters in London near its main hub at London Heathrow Airport (LHR). Known as a full-service global airline, BA offers low fares year-round to destinations around the globe and flies to and from centrally-located airports. Its extensive global route network includes more than 170 destinations in nearly 80 countries throughout Europe, North America, South America, Asia, Africa and Australia. BA is also the second largest airline based in the UK in terms of its fleet size and number of passengers carried.

Lufthansa is Germany’s largest airline and one of the leading carriers in Europe, connecting travelers to destinations worldwide from its main hubs in Frankfurt and Munich. Its modern fleet offers a wide choice of travel experiences, from Economy Class with affordable fares and onboard entertainment to Premium Economy, Business Class, and First Class with extra comfort, fine dining, and exclusive lounge access.

Austrian Airlines is the flag carrier of Austria and a member of the Lufthansa Group, offering flights across Europe and to long-haul destinations in Asia, North America, and beyond. Operating primarily from Vienna International Airport, Austrian combines efficiency with warm hospitality. Economy Class passengers enjoy comfort, onboard entertainment, and meals, while Business Class offers spacious seating, fine dining inspired by Austrian cuisine, and lounge access. With a reputation for quality service and reliable connections, Austrian Airlines is a trusted choice for travelers worldwide

LOT Polish Airlines, legally Polskie Linie Lotnicze LOT S.A., is the flag carrier of Poland and one of the world's oldest airlines, founded in 1928. It is a founding member of IATA and joined the Star Alliance in 2003. With its main hub at Warsaw Chopin Airport, LOT serves over 97 destinations across Europe, Asia, and North America with a fleet of 87 aircraft as of June 2025. The airline is recognized for operating one of Europe's youngest fleets and was the first European operator of the Boeing 787 Dreamliner.

Icelandair is the flag carrier of Iceland, with roots tracing back to 1937. It operates as part of the Icelandair Group and is headquartered in Hafnarfjörður, Iceland. The airline's business strategy leverages Iceland's unique geographical position midway between North America and Europe, offering transatlantic flights with a convenient stopover option in Iceland. Icelandair serves destinations on both sides of the Atlantic from its main hub at Keflavík International Airport, and also operates domestic flights from Reykjavík Airport. The airline is known for promoting Iceland as a tourist destination and providing a comfortable flying experience with Icelandic hospitality.

Iberia Express is a Spanish low-cost airline, a subsidiary of Iberia and part of the International Airlines Group (IAG). Established in 2011 and commencing operations in March 2012, it focuses on short and medium-haul routes from its hub at Adolfo Suárez Madrid–Barajas Airport. The airline primarily serves high-frequency domestic routes and leisure destinations within Europe, also providing feeder flights to Iberia's long-haul network. Iberia Express has been recognized for its punctuality, being named the most on-time airline in Europe for 2023.

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.