Vienna VIE to Trieste TRS flight with Austrian Airlines

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

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.

ITA Airways is Italy's national flag carrier, established in 2020 as the successor to Alitalia. Co-owned by the Italian Ministry of Economy and Finance and Lufthansa Group, it operates a modern, predominantly Airbus fleet. ITA Airways serves over 70 domestic, European, and intercontinental destinations, with its main hub at Rome Fiumicino Airport. The airline offers Economy, Premium Economy, and Business Class, with complimentary meals and in-flight Wi-Fi on many routes. ITA Airways was a SkyTeam member until April 2025 and is expected to join Star Alliance in the first half of 2026.

Air Dolomiti is an Italian regional airline, a wholly-owned subsidiary of Lufthansa, and a member of Lufthansa Regional. Established in 1989, it began operations in 1991 with the goal of connecting smaller Italian cities to the rest of Europe.The airline primarily operates routes from various Italian destinations to and from Lufthansa's main hubs in Munich and Frankfurt, Germany. As of August 2025, Air Dolomiti serves 26 destinations in Italy and other European countries. Its fleet, which has evolved over the years to include Embraer 190 and 195 aircraft, is known for its focus on passenger comfort and Italian elegance in its inflight service.

Croatia Airlines is the flag carrier of Croatia, established in 1991. Headquartered in Zagreb, it operates domestic and international flights primarily to European destinations, with its main hub at Zagreb International Airport. Since November 2004, Croatia Airlines has been a member of Star Alliance, the world's largest airline network. The airline plays a significant role in Croatia's tourism industry, connecting various Croatian cities to major European hubs. Croatia Airlines offers both scheduled and charter services, with scheduled services generating the majority of its revenue. The company is currently modernizing its fleet with new Airbus A220 aircraft, with deliveries scheduled through 2027.

Eurowings is a German low-cost airline that offers affordable flights across Europe and to select long-haul destinations. As part of the Lufthansa Group, Eurowings connects major European cities as well as holiday destinations with a modern fleet. Passengers can choose from different fare options ranging from basic economy with great value to more flexible tickets that include extra comfort, priority boarding, and additional services. With onboard amenities such as snacks, drinks, and WiFi available on many routes, Eurowings is a convenient choice for budget-conscious travelers.