London Heathrow Airport LHR to Sofia Airport SOF flight with Bulgaria Air

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.

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.

Bulgaria Air is the national flag carrier airline of Bulgaria, headquartered at Sofia Airport. Established in 2002, it operates short and medium-haul flights to over 25 destinations in Europe and the Middle East, including domestic routes to Burgas and Varna. The airline aims to provide high-quality air transportation with traditional Bulgarian hospitality. Bulgaria Air's fleet includes Airbus A220, A319, A320, and Embraer 190/195 aircraft. They offer both Economy and Business Class, with Business Class providing amenities like priority check-in, extra baggage, lounge access, and wider seating. The airline also provides services for unaccompanied minors and has interline and codeshare agreements with various international carriers, expanding its global reach.