Turkish Airlines is Turkey's official flag carrier airline. It runs scheduled services to 315 locations in Europe, Asia, Africa, and the Americas as of August 2019, making it the world's largest mainline carrier in terms of passenger destinations. The airline flies to 126 countries and offers more non-stop destinations from a single airport than any other airline in the world. The cargo branch of the airline covers 82 destinations with an active fleet of 24 cargo aircraft.

The airline's corporate headquarters are at the Turkish Airlines General Management Building on the grounds of Istanbul Atatürk Airport in Yeşilköy, Bakırköy, Istanbul. Istanbul Airport in Arnavutköy is the airline's main base, and there are secondary hubs at Ankara Esenboğa Airport and İzmir Adnan Menderes Airport. Turkish Airlines has been a member of the Star Alliance network since 1 April 2008.

Turkish Airlines is often regarded as the most affordable airline for Europeans, and it serves all major European airports. It covers almost all of the world's famous routes and offers the best services for the money to passengers. It was also featured in Skytrax's rating due to its great services. It is ranked fifth overall among the world's airlines.

Website: https://www.turkishairlines.com

Lufthansa is Germany's flag carrier and largest airline, and when combined with its subsidiaries, it is Europe's second-largest airline in terms of passengers transported. The former flag carrier's name is derived from the German term Luft, which means "air", and Hansa, which stands for the Hanseatic League. Lufthansa is one of the five original members of Star Alliance, the world's largest airline alliance, which was founded in 1997. 'Say yes to the world', is the company's tagline.

Lufthansa is one of the largest airlines operating on the entire continent and is rated one of the finest in the world. Its popularity stems from the fact that it offers the best amenities to its passengers at the best prices. Skytrax has also given it a Five Star rating for the services it provides to passengers and the quality of its cuisine. Lufthansa's place in the overall ranking of all airlines is tenth, demonstrating the airline's performance.

Besides its own services, and owning subsidiary passenger airlines Austrian Airlines, Swiss International Air Lines, Brussels Airlines, and Eurowings (referred to in English by Lufthansa as its Passenger Airline Group), Deutsche Lufthansa AG owns several aviation-related companies, such as Lufthansa Technik and LSG Sky Chefs, as part of the Lufthansa Group. In total, the group has over 700 aircraft, making it one of the largest airline fleets in the world.

Website: https://www.lufthansa.com

Swiss International AirLines AG, also known as Swiss or Swiss Air Lines, is Switzerland's flag carrier, providing scheduled routes throughout Europe as well as to North America, South America, Africa, and Asia. Zurich Airport is its main hub, with Geneva Airport serving as a focal city. Swissair, Switzerland's then-flag carrier, declared bankruptcy in 2002, prompting the formation of the airline. Crossair, Swissair's regional subsidiary, served as the foundation for the new airline. Crossair's IATA code, LX, is retained by Swiss. To retain international traffic rights, it used Swissair's previous ICAO code of SWR. It is a Star Alliance member and a part of the Lufthansa Group. Its headquarters are at EuroAirport Basel Mulhouse Freiburg near Basel, Switzerland, and an office at Zurich Airport in Kloten, Switzerland. The company's registered office is in Basel.

Swiss International Airlines is one of the greatest and most luxury airline in Europe, offering various pleasures to their customers such as shampoos, air miles, pajamas, beautiful lounges, hotel stays, and bus services. It serves a wide range of international locations and has the greatest links to resorts in Europe where travellers like to stay throughout their vacation. It is placed 13th in the total rating of airlines available to people all around the world.

Website: https://www.swiss.com/vn/en/homepage

Austrian Airlines AG, commonly abbreviated as Austrian, is Austria's flag carrier and a subsidiary of the Lufthansa Group. The airline's headquarters are located on the grounds of Vienna International Airport in Schwechat, where it also has a hub. As of July 2016, the airline served six domestic routes and over 120 foreign year-round and seasonal destinations in 55 countries. It is a member of the Star Alliance.

The airline was formed in 1957 by the merger of Air Austria and Austrian Airways, but its history dates back to 1923, when Austrian Airways was founded. It was a state-owned enterprise for the majority of its existence. The airline began scheduled service on March 31, 1958, flying a leased Vickers Viscount from Vienna to Zurich and London; it later bought its own Viscount fleet. Austrian ordered its first jet-powered aircraft, the Sud Aviation Caravelle, on February 18, 1963. Following that, it added several versions and modifications of the Douglas DC-9 airliner; by the end of 1971, Austrian had become an all-jet operator. It added the DC-9-80, also known as the McDonnell Douglas MD-80, to its fleet in the 1980s.

Austrian Airways is the airline that has planes in both white and red. It began operations in this industry in 1960 and is today a world-renowned airline. It is well-known for offering the greatest services to the people of Europe and has received an award from Skytrax for the exceptional services it provides to its customers. Their planes are cutting-edge, and their business class is ultra-luxurious, outfitted with cutting-edge technology. It has been ranked 21st out of all airlines operating in the globe.

Website: https://www.austrian.com/vn/en/homepage

British Airways (BA) is the United Kingdom's flag carrier airline. Its headquarters are in London, England, near Heathrow Airport, which serves as its primary hub. In terms of fleet size and passengers carried, the airline is second only to easyJet in the United Kingdom. BA amalgamated with Iberia in January 2011, becoming the International Airlines Group (IAG), a holding corporation based in Madrid, Spain. In terms of yearly revenue, IAG is the world's third-largest airline group and Europe's second-largest. It is a component of the FTSE 100 Index and is traded on the London Stock Exchange. British Airways is the first passenger airline to generate more than $1 billion in revenue from a single air route in a single year.

British Airways has seen several ups and downs over its entire working history. It is a more costly tiny airline than any of the other airlines that operate in Europe. It provides the most luxurious flat beds in the first class sector, as well as giant LED screens for entertainment and the most up-to-date buses for transporting passengers to various places. It has been ranked in the 17th position in the overall ranking of airlines of the world.

Website: https://www.britishairways.com

Air France, abbreviated as AIRFRANCE, is France's flag carrier, headquartered in Tremblay-en-France. It is an Air France–KLM Group subsidiary and a founding member of the SkyTeam global airline alliance. Air France serves 36 locations in France and conducts global scheduled passenger and cargo services to 175 destinations in 78 countries as of 2013. In 2019, Air France transported 46,803,000 passengers. The airline's worldwide hub is located at Charles de Gaulle Airport, and the principal domestic hub is located at Orly Airport. Air France's corporate offices, which were once located in Montparnasse, Paris, are now housed on the grounds of Charles de Gaulle Airport, which is located north of Paris.

Air France is a French airline that operates globally and serves approximately 36 distinct French locations. It is a very ancient airline that began operations in 1933. It is ranked 25th in the overall rating of the world's airways. Because of the money gained by this airway, it was also projected that it is rather big air service. It was recently reported that it handled about 43.3 million people in a single year.

Website: https://www.airfrance.com

KLM Royal Dutch Airlines, officially Koninklijke Luchtvaart Maatschappij N.V. (literally: Royal Aviation Company, Inc.), is the Dutch flag carrier airline. KLM is based in Amstelveen and has its main hub at Amsterdam Airport Schiphol. It is a subsidiary of Air France–KLM and a member of the SkyTeam airline alliance. KLM was founded in 1919 and is the world's oldest running airline, with 35,488 workers and a fleet of 110 (excluding subsidiaries) as of 2021. KLM offers scheduled passenger and cargo flights to 145 locations worldwide.

It started its operations in 1919 and was regarded as the oldest airline in the world. It presently serves around 130 different freight and passenger destinations throughout the world. It is a highly fancy airline that offers all sorts of classes on planes such as business class and economy class. It has also been named the safest airline in the world. This airline is ranked 32nd out of all the airlines that operate throughout the world.

KLM laid off at least 6,000 people as a result of the COVID-19 outbreak. It also stated that the government's intention to have all passengers and personnel COVID-19 tested before flying will have an impact on its flights. Air France-KLM announced an order for 100 Airbus A320neos to be split between Transavia and KLM on December 16, 2021.

Website: https://www.klm.com

Aegean Airlines S.A. is Greece's flag carrier airline and the largest Greek airline in terms of total passengers transported, the number of destinations serviced, and fleet size. Since June 2010, it has been a Star Alliance member, operating scheduled and charter routes from Athens and Thessaloniki to other main Greek cities, as well as a number of European and Middle Eastern destinations. Athens International Airport in Athens, Macedonia International Airport in Thessaloniki, and Larnaca International Airport in Cyprus are its primary hubs. It also uses other Greek airports as bases, some of which are seasonal. Its headquarters are in Kifisia, an Athens suburb.

Aegean Airlines is one of the largest airlines in terms of both passenger numbers and routes served. It was first offered to the globe in 1987, but it did not begin operations until 1999. It serves almost all destinations in Europe and uses the main airport of Athens as its hub. It recently began flights to many European islands that were in high demand by the public. It is ranked in the 30th position in the overall ranking of the airlines of the world.

Website: https://en.aegeanair.com

Norwegian Air Shuttle ASA, doing business as Norwegian, is a Norwegian low-cost airline and the country's largest. It is Europe's fourth-biggest low-cost carrier, after Wizz Air, EasyJet, and Ryanair, as well as the second-largest airline in Scandinavia and the ninth-largest airline in Europe in terms of passenger counts. It has a high-frequency internal flight schedule throughout Scandinavia and Finland, as well as flights to business locations such as London and vacation destinations such as the Mediterranean and the Canary Islands, moving over 30 million passengers in 2016. The airline is recognized for its unique white and red livery, as well as photographs of notable achievers on the tail fins of its aircraft.

Norwegian airline is well-known throughout Europe for its low-cost flights and is recognized as the third-largest low-cost airline in the world. It began carrying out its tasks in 1993. It is also named as the 9th largest airline in Europe according to the number of passengers that travel through it. The whole airline consists of 100 latest planes with red lining on the front. In the overall ranking of airlines of the world, it is placed in the number 38th position because of its services to the passengers.

Website: https://www.norwegian.com

Finnair is the flag carrier and largest airline of Finland, with its headquarters in Vantaa on the grounds of Helsinki Airport, its hub. Finnair and its subsidiaries dominate both domestic and international air travel in Finland. Its major shareholder is the government of Finland, which owns 55.8% of the shares. Finnair is a member of the Oneworld airline alliance. In 2017, it transported about 11.9 million passengers to over 100 European, 20 Asian and 7 North American destinations. At the end of 2017, the airline employed 5,918 people.

Finnair Airlines is the national airline of Finland, and the government of Finland is the airline's largest stakeholder. It is quite well-known among the people and not only travels within Europe but even to foreign nations. In 2013, it was estimated that nearly 9.2 million passengers used this air service to travel to 60 different European destinations. It is also the fifth-oldest airline in the world. It is not only the oldest but also the safest, due to the safe flights to desired places. It is now placed 37th in the world's total list of air services.

Website: https://www.finnair.com