Flight Burgas - Saragossa prices from $370.58

Air Europa is a Spanish airline that was founded in 1986. It is a member of the SkyTeam alliance and operates flights to over 50 destinations across Europe, the Americas, Africa, and Asia. The airline's main hub is located at Adolfo Suárez Madrid–Barajas Airport, and it also has secondary hubs at Palma de Mallorca Airport and Tenerife North Airport. Air Europa operates a fleet of over 50 aircraft, including Boeing 787 Dreamliners, Airbus A330s, and Embraer E195s. The airline offers a range of services to its passengers, including in-flight entertainment, Wi-Fi, and a loyalty program called SUMA.

Air Moldova is the national airline of Moldova, headquartered in Chisinau. It was founded in 1993 and operates scheduled flights to destinations in Europe, Russia, and the Middle East. The airline's fleet consists of Airbus A319 and Embraer E190 aircraft. Air Moldova offers both economy and business class seating options, as well as a frequent flyer program called "Club One". The airline has codeshare agreements with several other airlines, including Turkish Airlines and Air France. Air Moldova is committed to providing safe and reliable air transportation services to its passengers, and has received several awards for its customer service.

AirBaltic is a Latvian low-cost airline that operates flights to over 70 destinations in Europe, the Middle East, and Asia. The airline was founded in 1995 and has since grown to become the largest airline in the Baltic region. AirBaltic operates a fleet of modern Airbus A220-300 aircraft, which are known for their fuel efficiency and environmental friendliness. The airline offers a range of services to its passengers, including online check-in, in-flight entertainment, and a loyalty program. AirBaltic is committed to sustainability and has set a goal to become the world's most environmentally friendly airline.

Bulgaria Air is the national flag carrier airline of Bulgaria, headquartered in Sofia. It operates scheduled flights to over 20 destinations in Europe, the Middle East, and Africa. The airline was founded in 2002 and has a fleet of 10 aircraft, including Airbus A319s and Embraer E190s. Bulgaria Air offers both economy and business class seating, as well as a frequent flyer program called Fly More. The airline has codeshare agreements with several other airlines, including Air France, KLM, and Alitalia. Bulgaria Air is a member of the International Air Transport Association (IATA) and the Association of European Airlines (AEA).

Lufthansa is a German airline and one of the largest airlines in Europe. It was founded in 1953 and operates flights to over 200 destinations worldwide. Lufthansa is a member of the Star Alliance, which is the world's largest airline alliance. The airline has a fleet of over 300 aircraft, including Airbus and Boeing planes. Lufthansa offers a range of services to its passengers, including in-flight entertainment, Wi-Fi, and a frequent flyer program called Miles & More. The airline is known for its high-quality service and has won numerous awards for its customer satisfaction and safety standards.

S7 Airlines is a Russian airline headquartered in Novosibirsk. It is the second-largest airline in Russia and operates flights to over 150 destinations in 30 countries. The airline was founded in 1957 as Tolmachevo United Squadron and was later renamed Sibir Airlines. In 2005, the airline rebranded as S7 Airlines and has since expanded its fleet and route network. S7 Airlines is a member of the global airline alliance oneworld and has codeshare agreements with several other airlines. The airline has won numerous awards for its service and safety, including being named the Best Airline in Russia and the CIS at the Skytrax World Airline Awards.

TUI Airways is a British charter airline and part of the TUI Group, one of the world's leading travel companies. The airline operates flights to over 80 destinations worldwide, with a focus on holiday destinations in Europe, Africa, and the Americas. TUI Airways operates a fleet of over 60 aircraft, including Boeing 737s, 757s, and 787s, as well as the more environmentally friendly Boeing 737 MAX. The airline offers a range of services, including economy and premium economy seating, in-flight meals and drinks, and entertainment options. TUI Airways is committed to sustainability and has implemented a range of initiatives to reduce its environmental impact.

Ural Airlines is a Russian airline based in Yekaterinburg, Russia. It was founded in 1943 as Sverdlovsk State Air Enterprises and later renamed to Ural Airlines in 1993. The airline operates scheduled domestic and international flights to destinations in Europe, Asia, and the Middle East. It has a fleet of over 40 aircraft, including Airbus A320s, A321s, and A319s. Ural Airlines is known for its low-cost flights and has won several awards for its service, including the Skytrax award for Best Regional Airline in Russia and CIS in 2019. The airline is a member of the International Air Transport Association (IATA) and the Association of European Airlines (AEA).

Wizz Air is a low-cost airline based in Hungary that operates flights to destinations across Europe, the Middle East, and North Africa. Founded in 2003, the airline has grown rapidly and now operates a fleet of over 100 aircraft, serving more than 150 destinations in 44 countries. Wizz Air is known for its no-frills approach to air travel, offering low fares and charging extra for additional services such as checked baggage and in-flight meals. The airline has a strong focus on efficiency and cost control, allowing it to offer some of the lowest fares in the industry.