Sydney SYD to Istanbul IST flight with British Airways

United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.

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.

Emirates is a major airline based in Dubai, United Arab Emirates, and is a subsidiary of The Emirates Group, owned by the Investment Corporation of Dubai. It is recognized as the largest airline in the Middle East and one of the world's largest international airlines. Emirates operates a fleet of wide-body aircraft, primarily Airbus A380s and Boeing 777s, serving over 150 cities in 80 countries across six continents from its hub at Dubai International Airport. The airline is known for its luxurious amenities, including private suites, onboard showers in First Class on select A380s, gourmet cuisine, and an award-winning in-flight entertainment system called "ice".

Turkish Airlines is the national flag carrier of Turkey and one of the world’s leading airlines, flying to more international destinations than any other airline. Based in Istanbul, it connects travelers to Europe, Asia, the Americas, Africa, and beyond. Passengers can choose from Economy Class with comfortable seating, WiFi, and in-flight entertainment, or upgrade to Business Class for spacious seating, gourmet dining, and lounge access. With its award-winning service and global reach, Turkish Airlines is a top choice for both business and leisure travel.

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.

Qatar Airways is the national airline of Qatar, headquartered in Doha and based at Hamad International Airport. Established in 1993 and re-launched in 1997, it has grown into one of the Middle East's largest network airlines, operating an extensive network of international services across Europe, the Middle East, Africa, Asia Pacific, and the Americas. The airline offers passenger and air cargo transportation, along with services like corporate travel, online check-in, and in-flight entertainment. Qatar Airways is a member of the Oneworld alliance and operates a modern fleet of over 200 aircraft. It has received numerous accolades, including "World's Best Airline" multiple times.

All Nippon Airways (ANA) is Japan's largest airline, operating an extensive network of domestic and international flights. Established in 1952, ANA has grown to become a leading member of the Star Alliance, offering high-quality air transportation services. The airline's fleet includes a variety of aircraft, such as the Boeing 787-9 and Airbus A320neo, catering to both short and long-haul routes. ANA's main hubs are Tokyo–Haneda and Tokyo–Narita airports, with secondary hubs in Osaka–Itami and Osaka–Kansai. The airline is committed to providing exceptional service, ensuring a comfortable and reliable travel experience for its passengers.

China Southern Airlines, headquartered in Guangzhou, China, is one of the country's three major airlines and a prominent global carrier. It boasts the largest fleet in Asia and operates over 850 passenger and cargo aircraft, including Boeing and Airbus models. The airline offers an extensive network with more than 3,000 daily flights to 224 destinations across 40 countries and regions. China Southern focuses on building international hubs, particularly with its "Canton Route" from Guangzhou, and provides various travel classes, including Economy, Premium Economy, Business, and Deluxe First.