Flight Istanbul - San Diego, CA prices from $980.03

Aegean Airlines is the largest airline in Greece, operating both domestic and international flights to over 150 destinations. Founded in 1987, the airline has grown to become a major player in the European aviation market, with a fleet of over 60 aircraft and a reputation for high-quality service. Aegean Airlines is a member of the Star Alliance, a global airline network that includes some of the world's largest carriers. The airline has won numerous awards for its customer service, including the Skytrax award for Best Regional Airline in Europe for nine consecutive years.

Air Canada is the largest airline in Canada, providing scheduled and charter air transportation for passengers and cargo to over 200 destinations worldwide. The airline operates a fleet of over 400 aircraft, including narrow-body and wide-body jets, and serves both domestic and international routes. Air Canada is a member of the Star Alliance, a global airline network that provides passengers with access to over 1,000 destinations in 190 countries. The airline offers a range of services, including in-flight entertainment, Wi-Fi, and a loyalty program called Aeroplan. Air Canada is headquartered in Montreal, Quebec, and has hubs in Toronto, Vancouver, and Calgary.

Air Serbia is the national airline of Serbia, headquartered in Belgrade. It was founded in 2013 as a successor to the former national carrier, Jat Airways. Air Serbia operates flights to over 50 destinations in Europe, the Middle East, and North America, with a fleet of modern Airbus aircraft. The airline offers a range of services to its passengers, including in-flight entertainment, Wi-Fi, and a loyalty program called Etihad Guest. Air Serbia is a member of the Etihad Airways Partners group, which includes several other airlines around the world. The airline has won several awards for its service and performance, including Best Airline in Eastern Europe at the World Airline Awards.

Alaska Airlines is a major American airline headquartered in Seattle, Washington. It was founded in 1932 and operates a fleet of over 300 aircraft, serving more than 115 destinations across the United States, Canada, Mexico, and Costa Rica. Alaska Airlines is known for its commitment to customer service, on-time performance, and sustainability initiatives. It is a member of the Oneworld airline alliance and has codeshare agreements with several other airlines. Alaska Airlines offers a variety of travel classes, including First Class, Premium Class, and Main Cabin, as well as a loyalty program called Mileage Plan.

British Airways is the flag carrier airline of the United Kingdom, headquartered in London. It is one of the largest airlines in Europe and operates flights to over 180 destinations worldwide. The airline was founded in 1974 and has since grown to become a major player in the aviation industry. British Airways is known for its high-quality service, comfortable seating, and extensive route network. The airline operates a fleet of over 250 aircraft, including the Airbus A380 and Boeing 787 Dreamliner. British Airways is a member of the Oneworld airline alliance and has codeshare agreements with several other airlines.

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.

Turkish Airlines is the national flag carrier airline of Turkey, headquartered in Istanbul. It operates scheduled flights to over 300 destinations in Europe, Asia, Africa, and the Americas, making it one of the largest airlines in the world by number of destinations served. Turkish Airlines has won numerous awards for its service, including "Best Airline in Europe" six years in a row from 2011 to 2016. The airline operates a modern fleet of over 350 aircraft, including Airbus A320s, A330s, A340s, A350s, and Boeing 737s, 777s, and 787s. Turkish Airlines is a member of the Star Alliance, the world's largest airline alliance.

United Airlines is a major American airline headquartered in Chicago, Illinois. It is one of the world's largest airlines, operating a comprehensive domestic and international network of flights. United Airlines operates a fleet of over 800 aircraft, serving more than 350 destinations in over 50 countries. The airline is a founding member of the Star Alliance, which is the world's largest airline alliance. United Airlines offers a range of services to its passengers, including in-flight entertainment, Wi-Fi, and a loyalty program called MileagePlus. The airline has a strong commitment to sustainability and has implemented various initiatives to reduce its environmental impact.