Flight Athens - Sidney, MT prices from €899.09

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.

Allegiant Air is an American low-cost airline that operates scheduled and charter flights. It was founded in 1997 and is headquartered in Las Vegas, Nevada. The airline operates flights to over 120 destinations across the United States, including popular vacation destinations such as Las Vegas, Orlando, and Myrtle Beach. Allegiant Air operates a fleet of Airbus A319, A320, and A321 aircraft, and offers a range of services including seat selection, priority boarding, and in-flight entertainment. The airline has been recognized for its low fares and customer service, and has won several awards for its performance and reliability.

Cape Air is a regional airline based in Hyannis, Massachusetts, USA. It was founded in 1989 and operates scheduled passenger services to 35 destinations across the United States, Caribbean, and Micronesia. The airline operates a fleet of over 90 aircraft, including Cessna 402s, Tecnam P2012 Travellers, and Britten-Norman Islanders. Cape Air is known for its unique partnership with major airlines such as JetBlue, United, and American Airlines, which allows passengers to book connecting flights with ease. The airline also offers charter services, cargo services, and scenic flights over Cape Cod. Cape Air is committed to sustainability and has implemented several eco-friendly initiatives, including the use of biofuels and electric ground support equipment.

Fly Emirates is the national airline of the United Arab Emirates (UAE) and one of the largest airlines in the world. It operates over 3,600 flights per week to more than 150 destinations in over 80 countries. The airline is known for its luxurious amenities, including private suites, gourmet dining, and in-flight entertainment. It is also a major sponsor of sports teams and events, including football clubs such as Real Madrid and Arsenal, as well as the ATP tennis tour. Fly Emirates has won numerous awards for its service, including being named the World's Best Airline by Skytrax in 2016.

Linear Air Taxi is a private air charter service that offers on-demand flights to over 700 airports in the United States and the Caribbean. The company operates a fleet of small aircraft, including the Eclipse 500 and the Cessna Grand Caravan, which can accommodate up to eight passengers. Linear Air Taxi provides a convenient and flexible alternative to commercial airlines, allowing passengers to avoid long security lines and travel on their own schedule. The company also offers a mobile app that allows customers to book flights, track their aircraft, and communicate with their pilot. With a focus on safety, reliability, and customer service, Linear Air Taxi is a popular choice for business and leisure travelers alike.

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.

Spirit Airlines is an American ultra-low-cost carrier that operates flights throughout the United States, the Caribbean, Mexico, and Central and South America. The airline was founded in 1983 and is headquartered in Miramar, Florida. Spirit Airlines is known for its low fares and no-frills approach to air travel, with passengers paying extra for amenities such as checked baggage, seat selection, and in-flight refreshments. The airline operates a fleet of Airbus aircraft and has a frequent flyer program called Free Spirit. Despite its low-cost model, Spirit Airlines has faced criticism for its customer service and fees.